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.
Eugene likes working with arrays. And today he needs your help in solving one challenging task.
An array c is a subarray of an array b if c can be obtained from b by deletion of several (possibly, zero or all) elements from the beginning an... | instruction | 0 | 1,789 | 12 | 3,578 |
Tags: binary search, data structures, implementation, two pointers
Correct Solution:
```
"""
3
41 -41 41
"""
def solve(n, a):
d = {0: -1}
s = 0 # εηΌε
res = 0
j = -1
for i in range(n):
s += a[i]
if (d.get(s) != None):
j = max(d[s] + 1, j)
d[s] = i
res += ... | output | 1 | 1,789 | 12 | 3,579 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Eugene likes working with arrays. And today he needs your help in solving one challenging task.
An array c is a subarray of an array b if c can be obtained from b by deletion of several (possibly, zero or all) elements from the beginning an... | instruction | 0 | 1,790 | 12 | 3,580 |
Tags: binary search, data structures, implementation, two pointers
Correct Solution:
```
def sumoflength(arr, n):
# For maintaining distinct elements.
s = set()
# Initialize ending point and result
j = 0
ans = 0
# Fix starting point
for i in range(n):
# Find ending point for cu... | output | 1 | 1,790 | 12 | 3,581 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Eugene likes working with arrays. And today he needs your help in solving one challenging task.
An array c is a subarray of an array b if c can be obtained from b by deletion of several (possibly, zero or all) elements from the beginning an... | instruction | 0 | 1,791 | 12 | 3,582 |
Tags: binary search, data structures, implementation, two pointers
Correct Solution:
```
n=int(input())
a=[int(x) for x in input().split()]
for i in range(1,n):
a[i]+=a[i-1]
dic={}
dic[0]=0
ans=0
maximum=-1
for i in range(n):
val=dic.get(a[i],-1)
maximum=max(maximum,val)
ans+=i-maximum
dic[a[i]]=i+1... | output | 1 | 1,791 | 12 | 3,583 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Eugene likes working with arrays. And today he needs your help in solving one challenging task.
An array c is a subarray of an array b if c can be obtained from b by deletion of several (possibly, zero or all) elements from the beginning an... | instruction | 0 | 1,792 | 12 | 3,584 |
Tags: binary search, data structures, implementation, two pointers
Correct Solution:
```
n = int(input())
last = 0
o = {0: -1}
t = 0
rs = 0
a = [int(x) for x in input().split()]
for i, ai in enumerate(a):
rs += ai
if rs in o:
last = max(last, o[rs] + 2)
o[rs] = i
t += i - last + 1
print(t)
... | output | 1 | 1,792 | 12 | 3,585 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Eugene likes working with arrays. And today he needs your help in solving one challenging task.
An array c is a subarray of an array b if c can be obtained from b by deletion of several (possibly, zero or all) elements from the beginning an... | instruction | 0 | 1,793 | 12 | 3,586 |
Tags: binary search, data structures, implementation, two pointers
Correct Solution:
```
n=int(input())
d={}
ar=list(map(int,input().split()))
pref=[0]*(n)
ans=0
d={}
uk=-1
pref[0]=ar[0]
d[0]=-1
for i in range(1,n):
pref[i]=pref[i-1]+ar[i]
for i in range(n):
if pref[i] in d:
uk=max(uk,d.get(pref[i])+1)
ans+=(i-uk)... | output | 1 | 1,793 | 12 | 3,587 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Eugene likes working with arrays. And today he needs your help in solving one challenging task.
An array c is a subarray of an array b if c can be obtained from b by deletion of several (possibly, zero or all) elements from the beginning an... | instruction | 0 | 1,794 | 12 | 3,588 |
Tags: binary search, data structures, implementation, two pointers
Correct Solution:
```
def I(): return(list(map(int,input().split())))
def sieve(n):
a=[1]*n
for i in range(2,n):
if a[i]:
for j in range(i*i,n,i):
a[j]=0
return a
n=int(input())
arr=I()
l=-1
d={0:-1}
prefix=[0]*(n+1)
pref... | output | 1 | 1,794 | 12 | 3,589 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Eugene likes working with arrays. And today he needs your help in solving one challenging task.
An array c is a subarray of an array b if c can be obtained from b by deletion of several (possibly, zero or all) elements from the beginning an... | instruction | 0 | 1,795 | 12 | 3,590 |
Tags: binary search, data structures, implementation, two pointers
Correct Solution:
```
from itertools import accumulate
n = int(input())
a = [int(x) for x in input().split()]
sums = [0] + list(accumulate(a))
s = {0}
i, j = 0, 0
ans = 0
while i < n:
while j < n and sums[j+1] not in s:
s.add(sums[j+1])
... | output | 1 | 1,795 | 12 | 3,591 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Eugene likes working with arrays. And today he needs your help in solving one challenging task.
An array c is a subarray of an array b if c can be obtained from b by deletion of several (possib... | instruction | 0 | 1,796 | 12 | 3,592 |
Yes | output | 1 | 1,796 | 12 | 3,593 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Eugene likes working with arrays. And today he needs your help in solving one challenging task.
An array c is a subarray of an array b if c can be obtained from b by deletion of several (possib... | instruction | 0 | 1,797 | 12 | 3,594 |
Yes | output | 1 | 1,797 | 12 | 3,595 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Eugene likes working with arrays. And today he needs your help in solving one challenging task.
An array c is a subarray of an array b if c can be obtained from b by deletion of several (possib... | instruction | 0 | 1,798 | 12 | 3,596 |
Yes | output | 1 | 1,798 | 12 | 3,597 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Eugene likes working with arrays. And today he needs your help in solving one challenging task.
An array c is a subarray of an array b if c can be obtained from b by deletion of several (possib... | instruction | 0 | 1,799 | 12 | 3,598 |
Yes | output | 1 | 1,799 | 12 | 3,599 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Eugene likes working with arrays. And today he needs your help in solving one challenging task.
An array c is a subarray of an array b if c can be obtained from b by deletion of several (possib... | instruction | 0 | 1,800 | 12 | 3,600 |
No | output | 1 | 1,800 | 12 | 3,601 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Eugene likes working with arrays. And today he needs your help in solving one challenging task.
An array c is a subarray of an array b if c can be obtained from b by deletion of several (possib... | instruction | 0 | 1,801 | 12 | 3,602 |
No | output | 1 | 1,801 | 12 | 3,603 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Eugene likes working with arrays. And today he needs your help in solving one challenging task.
An array c is a subarray of an array b if c can be obtained from b by deletion of several (possib... | instruction | 0 | 1,802 | 12 | 3,604 |
No | output | 1 | 1,802 | 12 | 3,605 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Eugene likes working with arrays. And today he needs your help in solving one challenging task.
An array c is a subarray of an array b if c can be obtained from b by deletion of several (possib... | instruction | 0 | 1,803 | 12 | 3,606 |
No | output | 1 | 1,803 | 12 | 3,607 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ivan is a programming teacher. During the academic year, he plans to give n lectures on n different topics. Each topic should be used in exactly one lecture. Ivan wants to choose which topic will he explain during the 1-st, 2-nd, ..., n-th l... | instruction | 0 | 1,853 | 12 | 3,706 |
Tags: constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, trees
Correct Solution:
```
def main():
n, k = map(int, input().split())
p = [int(x)-1 for x in input().split()]
isHead = [True]*n
follower = [None]*n
for i in range(k):
x, y = map(int, input().split())
... | output | 1 | 1,853 | 12 | 3,707 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ivan is a programming teacher. During the academic year, he plans to give n lectures on n different topics. Each topic should be used in exactly one lecture. Ivan wants to choose which topic will he explain during the 1-st, 2-nd, ..., n-th l... | instruction | 0 | 1,854 | 12 | 3,708 |
Tags: constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, trees
Correct Solution:
```
mod = 1000000007
eps = 10**-9
def main():
import sys
from collections import deque
input = sys.stdin.buffer.readline
N, K = map(int, input().split())
P = list(map(int, input().split(... | output | 1 | 1,854 | 12 | 3,709 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ivan is a programming teacher. During the academic year, he plans to give n lectures on n different topics. Each topic should be used in exactly one lecture. Ivan wants to choose which topic will he explain during the 1-st, 2-nd, ..., n-th l... | instruction | 0 | 1,855 | 12 | 3,710 |
Tags: constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, trees
Correct Solution:
```
from collections import defaultdict
def topological_sort(digraph):
n = len(digraph)
indegree = defaultdict(int)
for k in digraph:
for nxt_v in digraph[k]:
indegree[nxt_v] +... | output | 1 | 1,855 | 12 | 3,711 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ivan is a programming teacher. During the academic year, he plans to give n lectures on n different topics. Each topic should be used in exactly one lecture. Ivan wants to choose which topic will he explain during the 1-st, 2-nd, ..., n-th l... | instruction | 0 | 1,856 | 12 | 3,712 |
Tags: constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, trees
Correct Solution:
```
class Node:
def __init__(self, value):
self.value = value
self.next = None
self.prev = None
def __repr__(self):
if not self:
return "{}()".format(self._... | output | 1 | 1,856 | 12 | 3,713 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ivan is a programming teacher. During the academic year, he plans to give n lectures on n different topics. Each topic should be used in exactly one lecture. Ivan wants to choose which topic will he explain during the 1-st, 2-nd, ..., n-th l... | instruction | 0 | 1,857 | 12 | 3,714 |
Tags: constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, trees
Correct Solution:
```
from sys import stdin, gettrace
if gettrace():
def inputi():
return input()
else:
def input():
return next(stdin)[:-1]
def inputi():
return stdin.buffer.readline()
... | output | 1 | 1,857 | 12 | 3,715 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ivan is a programming teacher. During the academic year, he plans to give n lectures on n different topics. Each topic should be used in exactly one lecture. Ivan wants to choose which topic will he explain during the 1-st, 2-nd, ..., n-th l... | instruction | 0 | 1,858 | 12 | 3,716 |
Tags: constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, trees
Correct Solution:
```
import sys
from collections import deque
input = sys.stdin.readline
N,K = map(int,input().split())
p = list(map(int,input().split()))
p = [p[i]-1 for i in range(N)]
next = [-1 for i in range(N)]
deg = [0... | output | 1 | 1,858 | 12 | 3,717 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ivan is a programming teacher. During the academic year, he plans to give n lectures on n different topics. Each topic should be used in exactly one lecture. Ivan wants to choose which topic will he explain during the 1-st, 2-nd, ..., n-th l... | instruction | 0 | 1,859 | 12 | 3,718 |
Tags: constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, trees
Correct Solution:
```
import sys
from array import array # noqa: F401
import typing as Tp # noqa: F401
def input():
return sys.stdin.buffer.readline().decode('utf-8')
def output(*args):
sys.stdout.buffer.write(
... | output | 1 | 1,859 | 12 | 3,719 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ivan is a programming teacher. During the academic year, he plans to give n lectures on n different topics. Each topic should be used in exactly one lecture. Ivan wants to choose which topic will he explain during the 1-st, 2-nd, ..., n-th l... | instruction | 0 | 1,860 | 12 | 3,720 |
Tags: constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, trees
Correct Solution:
```
from collections import defaultdict
def topological_sort(digraph):
n = len(digraph)
indegree = defaultdict(int)
for k in digraph:
for nxt_v in digraph[k]:
indegree[nxt_v] +... | output | 1 | 1,860 | 12 | 3,721 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Valera has array a, consisting of n integers a0, a1, ..., an - 1, and function f(x), taking an integer from 0 to 2n - 1 as its single argument. Value f(x) is calculated by formula <image>, where value bit(i) equals one if the binary represen... | instruction | 0 | 1,940 | 12 | 3,880 |
Tags: implementation, math, number theory
Correct Solution:
```
from sys import stdin
from itertools import accumulate
def arr_enu():
return [[i, int(x)] for i, x in enumerate(stdin.readline().split())]
def get_col(arr, i):
return [row[i] for row in arr]
def arr_sum(arr):
arr.insert(0, 0)
return l... | output | 1 | 1,940 | 12 | 3,881 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Valera has array a, consisting of n integers a0, a1, ..., an - 1, and function f(x), taking an integer from 0 to 2n - 1 as its single argument. Value f(x) is calculated by formula <image>, where value bit(i) equals one if the binary represen... | instruction | 0 | 1,941 | 12 | 3,882 |
Tags: implementation, math, number theory
Correct Solution:
```
import sys
from math import gcd,sqrt,ceil,log2
from collections import defaultdict,Counter,deque
from bisect import bisect_left,bisect_right
import math
import heapq
from itertools import permutations
# input=sys.stdin.readline
# def print(x):
# sys.s... | output | 1 | 1,941 | 12 | 3,883 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are arbitrary
3. fn + 2 = fn + 1 + fn for all n... | instruction | 0 | 2,073 | 12 | 4,146 |
Tags: brute force, dp, hashing, implementation, math
Correct Solution:
```
n = int(input())
a = list(map(int,input().split()))
s = {} #dic
d = {} #dic
p = set() #set
mx = - 10**15
mi = -mx
ans = 2
for i in range(n) :
if a[i] in s :
s[a[i]] += 1
else :
s[a[i]] = 1
mx = max(mx,a[i])
mi = min(mi,a[i])
if 0 in... | output | 1 | 2,073 | 12 | 4,147 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are arbitrary
3. fn + 2 = fn + 1 + fn for all n... | instruction | 0 | 2,074 | 12 | 4,148 |
Tags: brute force, dp, hashing, implementation, math
Correct Solution:
```
n = int(input())
a = [int(x) for x in input().split()]
D = {}
for x in a:
if x in D:
D[x] += 1
else:
D[x] = 1
maxans = 0
def check(x, y):
num = 2
D[x] -= 1
D[y] -= 1
while x+y in D and D[x+y] > 0:
... | output | 1 | 2,074 | 12 | 4,149 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are arbitrary
3. fn + 2 = fn + 1 + fn for all n... | instruction | 0 | 2,075 | 12 | 4,150 |
Tags: brute force, dp, hashing, implementation, math
Correct Solution:
```
def rec(a, b):
res, c = 0, a + b
if d.get(c) and d[c] > 0:
d[c] -= 1
res = rec(b, c) + 1
d[c] += 1
return res
input()
d = {}
for i in map(int, input().split()):
if d.get(i):
d[i] += 1
else:
... | output | 1 | 2,075 | 12 | 4,151 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are arbitrary
3. fn + 2 = fn + 1 + fn for all n... | instruction | 0 | 2,076 | 12 | 4,152 |
Tags: brute force, dp, hashing, implementation, math
Correct Solution:
```
def go(a, b):
res, c = 0, a + b
if d.get(c) and d[c] > 0:
d[c] -= 1
res = go(b, c) + 1
d[c] += 1
return res
input()
d = {}
for i in map(int, input().split()):
if d.get(i): d[i] += 1
else: d[i] = 1
ans... | output | 1 | 2,076 | 12 | 4,153 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are arbitrary
3. fn + 2 = fn + 1 + fn for all n... | instruction | 0 | 2,077 | 12 | 4,154 |
Tags: brute force, dp, hashing, implementation, math
Correct Solution:
```
from collections import Counter
input()
s = Counter(map(int, input().split()))
n = 0
for q in s:
s[q] -= 1
for a in s:
if not s[a]: continue
t = [a]
s[a] -= 1
b = q + a
while s.get(b, 0):
... | output | 1 | 2,077 | 12 | 4,155 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are arbitrary
3. fn + 2 = fn + 1 + fn for all n... | instruction | 0 | 2,078 | 12 | 4,156 |
Tags: brute force, dp, hashing, implementation, math
Correct Solution:
```
n = int(input())
a = list(map(int,input().split()))
ans = a.count(0)
d = {}
for i in a:
if i not in d:
d[i] = 1
else:
d[i] += 1
ans = max(ans, 2)
for i in range(n):
for j in range(n):
if(i != j and (a[i] != 0 or a[j] != 0)):
fi... | output | 1 | 2,078 | 12 | 4,157 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are arbitrary
3. fn + 2 = fn + 1 + fn for all n... | instruction | 0 | 2,079 | 12 | 4,158 |
Tags: brute force, dp, hashing, implementation, math
Correct Solution:
```
from copy import *
length=int(input())
arr=list(map(int,input().split()))
d=dict()
for i in arr:
d[i]=d.get(i,0)+1
ans=0
for i in range(len(arr)):
for j in range(len(arr)):
if i!=j:
if arr[i]==0 and arr[j]==0:
... | output | 1 | 2,079 | 12 | 4,159 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are arbitrary
3. fn + 2 = fn + 1 + fn for all n... | instruction | 0 | 2,080 | 12 | 4,160 |
Tags: brute force, dp, hashing, implementation, math
Correct Solution:
```
# ---------------------------iye ha aam zindegi---------------------------------------------
import math
import random
import heapq, bisect
import sys
from collections import deque, defaultdict
from fractions import Fraction
import sys
import th... | output | 1 | 2,080 | 12 | 4,161 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are... | instruction | 0 | 2,081 | 12 | 4,162 |
Yes | output | 1 | 2,081 | 12 | 4,163 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are... | instruction | 0 | 2,082 | 12 | 4,164 |
Yes | output | 1 | 2,082 | 12 | 4,165 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are... | instruction | 0 | 2,083 | 12 | 4,166 |
Yes | output | 1 | 2,083 | 12 | 4,167 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are... | instruction | 0 | 2,084 | 12 | 4,168 |
Yes | output | 1 | 2,084 | 12 | 4,169 |
Evaluate the correctness of the submitted Python 2 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are... | instruction | 0 | 2,085 | 12 | 4,170 |
Yes | output | 1 | 2,085 | 12 | 4,171 |
Evaluate the correctness of the submitted Python 2 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are... | instruction | 0 | 2,086 | 12 | 4,172 |
No | output | 1 | 2,086 | 12 | 4,173 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are... | instruction | 0 | 2,087 | 12 | 4,174 |
No | output | 1 | 2,087 | 12 | 4,175 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are... | instruction | 0 | 2,088 | 12 | 4,176 |
No | output | 1 | 2,088 | 12 | 4,177 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are... | instruction | 0 | 2,089 | 12 | 4,178 |
No | output | 1 | 2,089 | 12 | 4,179 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if
1. the sequence consists of at least two elements
2. f0 and f1 are... | instruction | 0 | 2,090 | 12 | 4,180 |
No | output | 1 | 2,090 | 12 | 4,181 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bajtek, known for his unusual gifts, recently got an integer array x_0, x_1, β¦, x_{k-1}.
Unfortunately, after a huge array-party with his extraordinary friends, he realized that he'd lost it. After hours spent on searching for a new toy, Ba... | instruction | 0 | 2,467 | 12 | 4,934 |
Tags: implementation
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
ks = []
for k in range(1,n+1):
x = [None]*k
curr = 0
test_fail=False
for i in range(n):
xi = a[i] - curr
if x[ i%k ] != None and x[i%k] != xi:
test_fail=True
break
... | output | 1 | 2,467 | 12 | 4,935 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bajtek, known for his unusual gifts, recently got an integer array x_0, x_1, β¦, x_{k-1}.
Unfortunately, after a huge array-party with his extraordinary friends, he realized that he'd lost it. After hours spent on searching for a new toy, Ba... | instruction | 0 | 2,468 | 12 | 4,936 |
Tags: implementation
Correct Solution:
```
import sys
n = int(input())
a = [0] + [int(i) for i in input().split()]
a = [a[i+1] - a[i] for i in range(len(a)-1)]
ans = ''
cnt = 0
k = 1
while k<=n:
good = True
for j in range(k):
# print(k, j, set(a[j::k]))
if len(set(a[j::k]))>1:
good = False
break
if good:... | output | 1 | 2,468 | 12 | 4,937 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bajtek, known for his unusual gifts, recently got an integer array x_0, x_1, β¦, x_{k-1}.
Unfortunately, after a huge array-party with his extraordinary friends, he realized that he'd lost it. After hours spent on searching for a new toy, Ba... | instruction | 0 | 2,469 | 12 | 4,938 |
Tags: implementation
Correct Solution:
```
n = int(input())
a = [0] + [int(i) for i in input().split()]
x = []
for ind, a_i in enumerate(a[1:]):
x.append(a_i - a[ind])
# print(x)
ans = []
for i in range(1, n + 1):
flag = 0
for ind, j in enumerate(x):
if x[ind % i] == j:
continue
... | output | 1 | 2,469 | 12 | 4,939 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bajtek, known for his unusual gifts, recently got an integer array x_0, x_1, β¦, x_{k-1}.
Unfortunately, after a huge array-party with his extraordinary friends, he realized that he'd lost it. After hours spent on searching for a new toy, Ba... | instruction | 0 | 2,470 | 12 | 4,940 |
Tags: implementation
Correct Solution:
```
n=int(input())
l=list(map(int,input().split()))
l1=[l[0]]
for i in range(1,n) :
l1.append(l[i]-l[i-1])
otv=[]
for i in range(1,n+1) :
for j in range(n-1,-1,-1) :
if j-i<0 :
otv.append(i)
break
if l1[j]!=l1[j-i] :
bre... | output | 1 | 2,470 | 12 | 4,941 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bajtek, known for his unusual gifts, recently got an integer array x_0, x_1, β¦, x_{k-1}.
Unfortunately, after a huge array-party with his extraordinary friends, he realized that he'd lost it. After hours spent on searching for a new toy, Ba... | instruction | 0 | 2,471 | 12 | 4,942 |
Tags: implementation
Correct Solution:
```
n=int(input())
l=list(map(int,input().split()))
a=[l[0]]
for i in range(1,n):
a.append(l[i]-l[i-1])
lens=[]
for i in range(n):
flag=False
for j in range(i+1,n):
if(a[j%(i+1)]!=a[j]):
flag=True
break
if flag==False:
lens.... | output | 1 | 2,471 | 12 | 4,943 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bajtek, known for his unusual gifts, recently got an integer array x_0, x_1, β¦, x_{k-1}.
Unfortunately, after a huge array-party with his extraordinary friends, he realized that he'd lost it. After hours spent on searching for a new toy, Ba... | instruction | 0 | 2,472 | 12 | 4,944 |
Tags: implementation
Correct Solution:
```
n = int(input())
a = [*map(int,input().split())]
for i in range(n-1,0,-1): a[i] -= a[i-1];
r = [i for i in range(1,n+1) if a[i:] == a[:-i]]
print(len(r))
print(*r)
``` | output | 1 | 2,472 | 12 | 4,945 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bajtek, known for his unusual gifts, recently got an integer array x_0, x_1, β¦, x_{k-1}.
Unfortunately, after a huge array-party with his extraordinary friends, he realized that he'd lost it. After hours spent on searching for a new toy, Ba... | instruction | 0 | 2,473 | 12 | 4,946 |
Tags: implementation
Correct Solution:
```
n = int(input())
x = 0
a = []
for y in map(int, input().split()):
a += y - x,
x = y
f = [-1] * (n + 1)
for i in range(1, n + 1):
f[i] = f[i - 1] + 1
while f[i] > 0 and a[i - 1] != a[f[i] - 1]:
f[i] = f[f[i] - 1] + 1
b = []
i = n
while i > 0:
b += n ... | output | 1 | 2,473 | 12 | 4,947 |
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