message stringlengths 2 433k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 113 108k | cluster float64 12 12 | __index_level_0__ int64 226 217k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence of integers of length n and integer number k. You should print any integer number x in the range of [1; 10^9] (i.e. 1 β€ x β€ 10^9) such that exactly k elements of given sequence are less than or equal to x.
Note that... | instruction | 0 | 3,066 | 12 | 6,132 |
Tags: sortings
Correct Solution:
```
n,k=map(int,input().split())
t=list(map(int,input().split()))
t.sort()
t=t[::-1]
d={}
for i in t:
if d.get(i)==None:
d[i]=1
else:
d[i]+=1
s=0
a=0
while d!={} and s<k:
l=d.popitem()
s+=l[1]
a=l[0]
if k==0 and t[-1]!=1:
print(1)
elif s==k and k!... | output | 1 | 3,066 | 12 | 6,133 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence of integers of length n and integer number k. You should print any integer number x in the range of [1; 10^9] (i.e. 1 β€ x β€ 10^9) such that exactly k elements of given sequence are less than or equal to x.
Note that... | instruction | 0 | 3,067 | 12 | 6,134 |
Tags: sortings
Correct Solution:
```
import sys
input = sys.stdin.readline
n, k = map(int, input().split())
a = list(map(int, input().split()))
a.sort()
if k==0:
if a[0]==1:
print(-1)
else:
print(1)
elif k<=n-1 and a[k-1]==a[k]:
print(-1)
else:
print(a[k-1])
``` | output | 1 | 3,067 | 12 | 6,135 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence of integers of length n and integer number k. You should print any integer number x in the range of [1; 10^9] (i.e. 1 β€ x β€ 10^9) such that exactly k elements of given s... | instruction | 0 | 3,068 | 12 | 6,136 |
Yes | output | 1 | 3,068 | 12 | 6,137 |
Provide a correct Python 3 solution for this coding contest problem.
In this problem, we consider a simple programming language that has only declarations of one- dimensional integer arrays and assignment statements. The problem is to find a bug in the given program.
The syntax of this language is given in BNF as fol... | instruction | 0 | 3,273 | 12 | 6,546 |
"Correct Solution:
```
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools
sys.setrecursionlimit(10**7)
inf = 10**20
eps = 1.0 / 10**13
mod = 10**9+7
dd = [(-1,0),(0,1),(1,0),(0,-1)]
ddn = [(-1,0),(-1,1),(0,1),(1,1),(1,0),(1,-1),(0,-1),(-1,-1)]
def LI(): return [int... | output | 1 | 3,273 | 12 | 6,547 |
Provide a correct Python 3 solution for this coding contest problem.
In this problem, we consider a simple programming language that has only declarations of one- dimensional integer arrays and assignment statements. The problem is to find a bug in the given program.
The syntax of this language is given in BNF as fol... | instruction | 0 | 3,274 | 12 | 6,548 |
"Correct Solution:
```
import re
def get_value(expr, array_size, array):
seq = expr.replace(']', '').split('[')
seq[-1] = int(seq[-1])
while len(seq) > 1:
ind = seq.pop()
arr = seq.pop()
if arr not in array or ind not in array[arr]:
raise KeyError
seq.append(arr... | output | 1 | 3,274 | 12 | 6,549 |
Provide a correct Python 3 solution for this coding contest problem.
In this problem, we consider a simple programming language that has only declarations of one- dimensional integer arrays and assignment statements. The problem is to find a bug in the given program.
The syntax of this language is given in BNF as fol... | instruction | 0 | 3,275 | 12 | 6,550 |
"Correct Solution:
```
class CustomArray:
def __init__(self, sz):
self.sz = sz
self.vals = {}
def size(self):
return self.sz
def assign(self, idx, val):
if idx == None or val == None:
return False
if idx >= self.sz:
return False
self.... | output | 1 | 3,275 | 12 | 6,551 |
Provide a correct Python 3 solution for this coding contest problem.
In this problem, we consider a simple programming language that has only declarations of one- dimensional integer arrays and assignment statements. The problem is to find a bug in the given program.
The syntax of this language is given in BNF as fol... | instruction | 0 | 3,276 | 12 | 6,552 |
"Correct Solution:
```
import re
def deref(d, expr):
expr = expr.replace(']', '')
symb = expr.split('[')
symb[-1] = symb[-1]
while len(symb) > 1:
name, index = symb[-2:]
if index not in d[name]:
return None
symb.pop()
symb.pop()
symb.append(d[name][index])
return symb[0]
def che... | output | 1 | 3,276 | 12 | 6,553 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, β¦, n). He gradually takes the first two leftmost elements from the deq... | instruction | 0 | 3,392 | 12 | 6,784 |
Tags: data structures, implementation
Correct Solution:
```
def getN():
return int(input())
def getList():
return list(map(int, input().split()))
from collections import deque
n, m = getList()
nums = getList()
mxnum = max(nums)
d = deque(nums)
qr = []
for i in range(m):
qr.append(getN())
log = []
rot =... | output | 1 | 3,392 | 12 | 6,785 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, β¦, n). He gradually takes the first two leftmost elements from the deq... | instruction | 0 | 3,393 | 12 | 6,786 |
Tags: data structures, implementation
Correct Solution:
```
import sys
input=sys.stdin.readline
from collections import defaultdict as dc
from collections import Counter
from bisect import bisect_right, bisect_left
import math
from operator import itemgetter
from heapq import heapify, heappop, heappush
n,q=map(int,inpu... | output | 1 | 3,393 | 12 | 6,787 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, β¦, n). He gradually takes the first two leftmost elements from the deq... | instruction | 0 | 3,394 | 12 | 6,788 |
Tags: data structures, implementation
Correct Solution:
```
def op(arr,num):
for i in range(0,num-1):
if arr[0]>arr[1]:
z=arr.pop(1)
arr.append(z)
else:
z=arr.pop(0)
arr.append(z)
print (arr[0],arr[1])
def opmod(arr,num):
coun... | output | 1 | 3,394 | 12 | 6,789 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, β¦, n). He gradually takes the first two leftmost elements from the deq... | instruction | 0 | 3,395 | 12 | 6,790 |
Tags: data structures, implementation
Correct Solution:
```
n,k=map(int,input().split())
a=list(map(int,input().split()))
mx=max(a)
ind=a.index(mx)
f=0
s=1
ans=[[] for i in range(ind)]
for i in range(ind):
ans[i].append(a[f])
ans[i].append(a[s])
if(a[f]>=a[s]):
a.append(a[s])
s+=1
else:
... | output | 1 | 3,395 | 12 | 6,791 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, β¦, n). He gradually takes the first two leftmost elements from the deq... | instruction | 0 | 3,396 | 12 | 6,792 |
Tags: data structures, implementation
Correct Solution:
```
a, b = map(int, input().split())
A = list(map(int, input().split()))
A.append(-1)
B = []
Z = []
AN = []
x, y = A[0], A[1]
for i in range(a - 1):
Z.append((x, y))
if x > y:
B.append(y)
y = A[i + 2]
else:
B.append(x)
x... | output | 1 | 3,396 | 12 | 6,793 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, β¦, n). He gradually takes the first two leftmost elements from the deq... | instruction | 0 | 3,397 | 12 | 6,794 |
Tags: data structures, implementation
Correct Solution:
```
n, t = map(int, input().split())
a = list(map(int, input().split()))
b, c = [], []
u = a[0]
for v in a[1:]:
b.append(u)
if v > u:
u, v = v, u
c.append(v)
for _ in range(t):
x = int(input())
if x < n:
print(b[x-1], a[x]... | output | 1 | 3,397 | 12 | 6,795 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, β¦, n). He gradually takes the first two leftmost elements from the deq... | instruction | 0 | 3,398 | 12 | 6,796 |
Tags: data structures, implementation
Correct Solution:
```
n, q = map(int,input().split())
l = list(map(int,input().split()))
m = max(l)
tab = [0] * 2*n
for i in range(n):
tab[i] = l[i]
odp = [[0,0]] * n
pocz = 0
kon = n - 1
for j in range(n):
A = tab[pocz]
B = tab[pocz + 1]
odp[j] = [A, B]
pocz += 1
kon += 1
t... | output | 1 | 3,398 | 12 | 6,797 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, β¦, n). He gradually takes the first two leftmost elements from the deq... | instruction | 0 | 3,399 | 12 | 6,798 |
Tags: data structures, implementation
Correct Solution:
```
# import sys
# input = sys.stdin.readline
n,queries = list(map(int,input().split()))
l = list(map(int,input().split()))
if(queries==0):
exit()
maxval = max(l)
pairs = []
count = 0
f = l[0]
secix = 1
while(f!=maxval):
# print(l)
count+=1
f = l[0]
s = l[sec... | output | 1 | 3,399 | 12 | 6,799 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, β¦, n). He gradually tak... | instruction | 0 | 3,400 | 12 | 6,800 |
Yes | output | 1 | 3,400 | 12 | 6,801 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, β¦, n). He gradually tak... | instruction | 0 | 3,401 | 12 | 6,802 |
Yes | output | 1 | 3,401 | 12 | 6,803 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, β¦, n). He gradually tak... | instruction | 0 | 3,402 | 12 | 6,804 |
Yes | output | 1 | 3,402 | 12 | 6,805 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, β¦, n). He gradually tak... | instruction | 0 | 3,403 | 12 | 6,806 |
Yes | output | 1 | 3,403 | 12 | 6,807 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, β¦, n). He gradually tak... | instruction | 0 | 3,404 | 12 | 6,808 |
No | output | 1 | 3,404 | 12 | 6,809 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, β¦, n). He gradually tak... | instruction | 0 | 3,405 | 12 | 6,810 |
No | output | 1 | 3,405 | 12 | 6,811 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, β¦, n). He gradually tak... | instruction | 0 | 3,406 | 12 | 6,812 |
No | output | 1 | 3,406 | 12 | 6,813 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is a_i (i = 1, 2, β¦, n). He gradually tak... | instruction | 0 | 3,407 | 12 | 6,814 |
No | output | 1 | 3,407 | 12 | 6,815 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound file as an array of n non-negative integers.
I... | instruction | 0 | 3,408 | 12 | 6,816 |
Tags: sortings, two pointers
Correct Solution:
```
import math;
n,I = map(int,input().split());
arr = list(map(int,input().split()));
k = 8*I//n;
K = 2**k;
arr.sort();
nd = 1;
le = arr[0];
b = [0];
for i in range(1,n):
if(arr[i]!=le):
le=arr[i];
b.append(i);
nd+=1;
b.append(n)
#print(b);
#pr... | output | 1 | 3,408 | 12 | 6,817 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound file as an array of n non-negative integers.
I... | instruction | 0 | 3,409 | 12 | 6,818 |
Tags: sortings, two pointers
Correct Solution:
```
n,l=[int(x) for x in input().split()]
a=sorted([int(x) for x in input().split()])
num=len(set(a))
arr=2**((8*l)//n)
a.append(10**100)
b=[]
counter=1
for i in range(1,n+1):
if a[i]==a[i-1]:
counter+=1
else:
b.append(counter)
counter=1
pre... | output | 1 | 3,409 | 12 | 6,819 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound file as an array of n non-negative integers.
I... | instruction | 0 | 3,410 | 12 | 6,820 |
Tags: sortings, two pointers
Correct Solution:
```
n, m = map(int, input().split())
a = sorted(map(int, input().split()))
b = [0]
a += [1 << 30]
for i in range(n):
if a[i] < a[i+1]:
b += [i+1]
print(n-max((y-x for x,y in zip(b,b[1<<8*m//n:])),default=n))
``` | output | 1 | 3,410 | 12 | 6,821 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound file as an array of n non-negative integers.
I... | instruction | 0 | 3,411 | 12 | 6,822 |
Tags: sortings, two pointers
Correct Solution:
```
from math import log2, ceil
n, k = map(int, input().split())
k *= 8
a = sorted(list(map(int, input().split())))
q1, dif = 0, 1
ans = float('inf')
for q in range(n):
while n*ceil(log2(dif)) <= k and q1 < n:
if q1 == n-1 or a[q1] != a[q1+1]:
dif +... | output | 1 | 3,411 | 12 | 6,823 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound file as an array of n non-negative integers.
I... | instruction | 0 | 3,412 | 12 | 6,824 |
Tags: sortings, two pointers
Correct Solution:
```
n,I=map(int,input().split())
I*=8
I //= n
arr=list(map(int,input().split()))
arr.sort()
smen = [0]
typs = 1
for i in range(1,n):
if arr[i] != arr[i-1]:
typs+=1
smen.append(i)
smen.append(n)
deg = 1
lg = 0
while deg < typs:
lg += 1
deg *= 2
i... | output | 1 | 3,412 | 12 | 6,825 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound file as an array of n non-negative integers.
I... | instruction | 0 | 3,413 | 12 | 6,826 |
Tags: sortings, two pointers
Correct Solution:
```
n,I=list(map(int, input().split()))
l=list(map(int, input().split()))
k=2**(I*8//n)
dd={}
for x in l:
if x in dd:
dd[x]+=1
else:
dd[x]=1
# print(dd)
l=[dd[x] for x in sorted(dd)]
# print(l)
n=len(l)
if k>=n:
print(0)
else:
ss=sum(l[:k])
mxm=ss
for i in range... | output | 1 | 3,413 | 12 | 6,827 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound file as an array of n non-negative integers.
I... | instruction | 0 | 3,414 | 12 | 6,828 |
Tags: sortings, two pointers
Correct Solution:
```
from sys import stdin
input = stdin.readline
from math import floor
n, I = [int(i) for i in input().split()]
a = [int(i) for i in input().split()]
K = 2**(floor(8*I/n))
num_occ = dict()
for i in range(n):
num_occ[a[i]] = num_occ.get(a[i], 0) + 1
if K >= ... | output | 1 | 3,414 | 12 | 6,829 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound file as an array of n non-negative integers.
I... | instruction | 0 | 3,415 | 12 | 6,830 |
Tags: sortings, two pointers
Correct Solution:
```
from itertools import accumulate
# python template for atcoder1
import sys
sys.setrecursionlimit(10**9)
input = sys.stdin.readline
N, K = map(int, input().split())
A = list(map(int, input().split()))
A = sorted(A)
L = []
prev = -1
for a in A:
if a == prev:
... | output | 1 | 3,415 | 12 | 6,831 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arrays a and b, of size n. If after some (possibly ... | instruction | 0 | 3,515 | 12 | 7,030 |
Tags: constructive algorithms, implementation, sortings
Correct Solution:
```
t = int(input())
for i in range(t):
l = int(input())
if l <= 1:
g = int(input())
f = int(input())
if g == f:
print('Yes')
else:
print('No')
else:
a = []
b = [... | output | 1 | 3,515 | 12 | 7,031 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arrays a and b, of size n. If after some (possibly ... | instruction | 0 | 3,516 | 12 | 7,032 |
Tags: constructive algorithms, implementation, sortings
Correct Solution:
```
t = int(input())
for _ in range(t):
n = int(input())
a = list(map(int, input().split()))
b = list(map(int, input().split()))
works = True
if n % 2:
if a[n//2] != b[n//2]:
works = False
pairsA = []... | output | 1 | 3,516 | 12 | 7,033 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arrays a and b, of size n. If after some (possibly ... | instruction | 0 | 3,517 | 12 | 7,034 |
Tags: constructive algorithms, implementation, sortings
Correct Solution:
```
import sys
input=sys.stdin.readline
t=int(input())
for _ in range(t):
n=int(input())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
x=sorted(zip(a,reversed(a)))
y=sorted(zip(b,reversed(b)))
if x==y:
... | output | 1 | 3,517 | 12 | 7,035 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arrays a and b, of size n. If after some (possibly ... | instruction | 0 | 3,518 | 12 | 7,036 |
Tags: constructive algorithms, implementation, sortings
Correct Solution:
```
def solve(n,a,b,i):
if a[n//2]!=b[n//2] and n%2!=0:return 'NO'
seta=sorted([[a[i],a[n-1-i]] for i in range(n)]);setb=sorted([[b[i],b[n-i-1]] for i in range(n)])
for i in range(n):
if seta[i]!=setb[i]:return 'NO'
return... | output | 1 | 3,518 | 12 | 7,037 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arrays a and b, of size n. If after some (possibly ... | instruction | 0 | 3,519 | 12 | 7,038 |
Tags: constructive algorithms, implementation, sortings
Correct Solution:
```
import sys
input = sys.stdin.readline
import math
from collections import defaultdict
t=int(input())
for i in range(t):
n=int(input())
a=[int(i) for i in input().split() if i!='\n']
b=[int(i) for i in input().split() if i!='\n']
... | output | 1 | 3,519 | 12 | 7,039 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arrays a and b, of size n. If after some (possibly ... | instruction | 0 | 3,520 | 12 | 7,040 |
Tags: constructive algorithms, implementation, sortings
Correct Solution:
```
t=int(input())
for _ in range(t):
q,f=lambda:list(map(int,input().split())),lambda x:sorted(zip(x,x[::-1]))
q(),print(['no','yes'][f(q())==f(q())])
``` | output | 1 | 3,520 | 12 | 7,041 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arrays a and b, of size n. If after some (possibly ... | instruction | 0 | 3,521 | 12 | 7,042 |
Tags: constructive algorithms, implementation, sortings
Correct Solution:
```
for _ in range(int(input())):
n = int(input())
a = tuple(map(int, input().split()))
b = tuple(map(int, input().split()))
if sorted(zip(a, reversed(a))) == sorted(zip(b, reversed(b))):
print("Yes")
else:
pri... | output | 1 | 3,521 | 12 | 7,043 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arrays a and b, of size n. If after some (possibly ... | instruction | 0 | 3,522 | 12 | 7,044 |
Tags: constructive algorithms, implementation, sortings
Correct Solution:
```
# by the authority of GOD author: manhar singh sachdev #
import os,sys
from io import BytesIO, IOBase
def solve(n,a,b):
if n%2:
if a[n//2]!=b[n//2]:
return 'NO'
ar1,ar2 = [],[]
for i in range(n//2):
... | output | 1 | 3,522 | 12 | 7,045 |
Provide tags and a correct Python 2 solution for this coding contest problem.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arrays a and b, of size n. If after some (possibly ... | instruction | 0 | 3,523 | 12 | 7,046 |
Tags: constructive algorithms, implementation, sortings
Correct Solution:
```
from sys import stdin, stdout
from collections import Counter, defaultdict
def ni():
return int(raw_input())
def li():
return list(map(int,raw_input().split()))
def pn(n):
stdout.write(str(n)+'\n')
def pa(arr):
pr(' '.... | output | 1 | 3,523 | 12 | 7,047 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arra... | instruction | 0 | 3,524 | 12 | 7,048 |
Yes | output | 1 | 3,524 | 12 | 7,049 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arra... | instruction | 0 | 3,525 | 12 | 7,050 |
Yes | output | 1 | 3,525 | 12 | 7,051 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arra... | instruction | 0 | 3,526 | 12 | 7,052 |
Yes | output | 1 | 3,526 | 12 | 7,053 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arra... | instruction | 0 | 3,527 | 12 | 7,054 |
Yes | output | 1 | 3,527 | 12 | 7,055 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arra... | instruction | 0 | 3,528 | 12 | 7,056 |
No | output | 1 | 3,528 | 12 | 7,057 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arra... | instruction | 0 | 3,529 | 12 | 7,058 |
No | output | 1 | 3,529 | 12 | 7,059 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arra... | instruction | 0 | 3,530 | 12 | 7,060 |
No | output | 1 | 3,530 | 12 | 7,061 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arra... | instruction | 0 | 3,531 | 12 | 7,062 |
No | output | 1 | 3,531 | 12 | 7,063 |
Evaluate the correctness of the submitted Python 2 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ayush, Ashish and Vivek are busy preparing a new problem for the next Codeforces round and need help checking if their test cases are valid.
Each test case consists of an integer n and two arra... | instruction | 0 | 3,532 | 12 | 7,064 |
No | output | 1 | 3,532 | 12 | 7,065 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation a consisting of n numbers 1, 2, ..., n (a permutation is an array in which each element from 1 to n occurs exactly once).
You can perform the following operation: choose some subarray (contiguous subsegment) of a... | instruction | 0 | 3,619 | 12 | 7,238 |
Tags: constructive algorithms, greedy
Correct Solution:
```
for t in range(int(input())):
N = int(input())
arr = list(map(int,input().split()))
if arr == sorted(arr):
print(0)
elif arr[0] == 1 or arr[-1] == N:
print(1)
elif arr[0] == N and arr[-1] == 1:
... | output | 1 | 3,619 | 12 | 7,239 |
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