message stringlengths 2 45.8k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 254 108k | cluster float64 3 3 | __index_level_0__ int64 508 217k |
|---|---|---|---|---|---|
Provide a correct Python 3 solution for this coding contest problem.
One particularly well-known fact about zombies is that they move and think terribly slowly. While we still don't know why their movements are so sluggish, the problem of laggy thinking has been recently resolved. It turns out that the reason is not (... | instruction | 0 | 18,160 | 3 | 36,320 |
"Correct Solution:
```
def dfs(start,vis,end,ans):
global graph
#print(start,end)
vis[start] = True
if start == end:
ans[0] =True
return True
for node in graph[start]:
if node not in vis:
dfs(node,vis,end,ans)
from collections import defaultdict
n,m = map(in... | output | 1 | 18,160 | 3 | 36,321 |
Provide a correct Python 3 solution for this coding contest problem.
One particularly well-known fact about zombies is that they move and think terribly slowly. While we still don't know why their movements are so sluggish, the problem of laggy thinking has been recently resolved. It turns out that the reason is not (... | instruction | 0 | 18,161 | 3 | 36,322 |
"Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.writable = "x" in file.mode or "r" not in file.mode
self.write = self.b... | output | 1 | 18,161 | 3 | 36,323 |
Provide a correct Python 3 solution for this coding contest problem.
One particularly well-known fact about zombies is that they move and think terribly slowly. While we still don't know why their movements are so sluggish, the problem of laggy thinking has been recently resolved. It turns out that the reason is not (... | instruction | 0 | 18,162 | 3 | 36,324 |
"Correct Solution:
```
def adds(sin,c):
if c in sin:
return 1
sin.add(c)
return 0
def corr(v,n):
if len(v)<n-1:
return 0
sin={v[0][0],v[0][1]}
v=v[1:]
while len(v)>0:
nv=[]
for c in v:
if c[0] in sin:
if adds(sin,c[1]):
... | output | 1 | 18,162 | 3 | 36,325 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One particularly well-known fact about zombies is that they move and think terribly slowly. While we still don't know why their movements are so sluggish, the problem of laggy thinking has been ... | instruction | 0 | 18,163 | 3 | 36,326 |
Yes | output | 1 | 18,163 | 3 | 36,327 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One particularly well-known fact about zombies is that they move and think terribly slowly. While we still don't know why their movements are so sluggish, the problem of laggy thinking has been ... | instruction | 0 | 18,164 | 3 | 36,328 |
Yes | output | 1 | 18,164 | 3 | 36,329 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One particularly well-known fact about zombies is that they move and think terribly slowly. While we still don't know why their movements are so sluggish, the problem of laggy thinking has been ... | instruction | 0 | 18,165 | 3 | 36,330 |
Yes | output | 1 | 18,165 | 3 | 36,331 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One particularly well-known fact about zombies is that they move and think terribly slowly. While we still don't know why their movements are so sluggish, the problem of laggy thinking has been ... | instruction | 0 | 18,166 | 3 | 36,332 |
Yes | output | 1 | 18,166 | 3 | 36,333 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One particularly well-known fact about zombies is that they move and think terribly slowly. While we still don't know why their movements are so sluggish, the problem of laggy thinking has been ... | instruction | 0 | 18,167 | 3 | 36,334 |
No | output | 1 | 18,167 | 3 | 36,335 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One particularly well-known fact about zombies is that they move and think terribly slowly. While we still don't know why their movements are so sluggish, the problem of laggy thinking has been ... | instruction | 0 | 18,168 | 3 | 36,336 |
No | output | 1 | 18,168 | 3 | 36,337 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One particularly well-known fact about zombies is that they move and think terribly slowly. While we still don't know why their movements are so sluggish, the problem of laggy thinking has been ... | instruction | 0 | 18,169 | 3 | 36,338 |
No | output | 1 | 18,169 | 3 | 36,339 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One particularly well-known fact about zombies is that they move and think terribly slowly. While we still don't know why their movements are so sluggish, the problem of laggy thinking has been ... | instruction | 0 | 18,170 | 3 | 36,340 |
No | output | 1 | 18,170 | 3 | 36,341 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Wherever the destination is, whoever we meet, let's render this song together.
On a Cartesian coordinate plane lies a rectangular stage of size w Γ h, represented by a rectangle with corners (0, 0), (w, 0), (w, h) and (0, h). It can be seen... | instruction | 0 | 18,216 | 3 | 36,432 |
Tags: constructive algorithms, data structures, geometry, implementation, sortings, two pointers
Correct Solution:
```
def read_ints():
return [int(i) for i in input().split()]
n, w, h = read_ints()
tanc = [read_ints() for i in range(n)]
vert = [(k[0], k[1], k[2], i) for i, k in enumerate(tanc) if k[0] == 1]
hor = [(... | output | 1 | 18,216 | 3 | 36,433 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Wherever the destination is, whoever we meet, let's render this song together.
On a Cartesian coordinate plane lies a rectangular stage of size w Γ h, represented by a rectangle with corners (0, 0), (w, 0), (w, h) and (0, h). It can be seen... | instruction | 0 | 18,217 | 3 | 36,434 |
Tags: constructive algorithms, data structures, geometry, implementation, sortings, two pointers
Correct Solution:
```
n,w,h = map(int,input().split())
def it(n):
for i in range(n):
g,p,t = map(int,input().split())
yield (p-t, p if g==1 else -p, i)
D = sorted(it(n))
from bisect import bisect
from itertool... | output | 1 | 18,217 | 3 | 36,435 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Wherever the destination is, whoever we meet, let's render this song together.
On a Cartesian coordinate plane lies a rectangular stage of size w Γ h, represented by a rectangle with corners (0, 0), (w, 0), (w, h) and (0, h). It can be seen... | instruction | 0 | 18,218 | 3 | 36,436 |
Tags: constructive algorithms, data structures, geometry, implementation, sortings, two pointers
Correct Solution:
```
import os,io
input=io.BytesIO(os.read(0,os.fstat(0).st_size)).readline
n,w,h=map(int,input().split())
dic={}
ansx=[0]*n
ansy=[0]*n
for i in range(n):
g,x,t=map(int,input().split())
if x-t in dic:
... | output | 1 | 18,218 | 3 | 36,437 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Wherever the destination is, whoever we meet, let's render this song together.
On a Cartesian coordinate plane lies a rectangular stage of size w Γ h, represented by a rectangle with corners (0, 0), (w, 0), (w, h) and (0, h). It can be seen... | instruction | 0 | 18,219 | 3 | 36,438 |
Tags: constructive algorithms, data structures, geometry, implementation, sortings, two pointers
Correct Solution:
```
import sys
def main():
n, w, h = map(int, sys.stdin.readline().split())
gv = {}
gh = {}
for i in range(n):
g, p, t = map(int, sys.stdin.readline().split())
c = p - t
... | output | 1 | 18,219 | 3 | 36,439 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Wherever the destination is, whoever we meet, let's render this song together.
On a Cartesian coordinate plane lies a rectangular stage of size w Γ h, represented by a rectangle with corners (0, 0), (w, 0), (w, h) and (0, h). It can be seen... | instruction | 0 | 18,220 | 3 | 36,440 |
Tags: constructive algorithms, data structures, geometry, implementation, sortings, two pointers
Correct Solution:
```
n,w,h = map(int,input().split())
D = []
original = []
for i in range(n):
g,p,t = map(int,input().split())
a = p-t
p = p if g == 1 else -p
original.append(())
D.append((a,p,i))
D.sort()... | output | 1 | 18,220 | 3 | 36,441 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Wherever the destination is, whoever we meet, let's render this song together.
On a Cartesian coordinate plane lies a rectangular stage of size w Γ h, represented by a rectangle with corners (0... | instruction | 0 | 18,221 | 3 | 36,442 |
No | output | 1 | 18,221 | 3 | 36,443 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Wherever the destination is, whoever we meet, let's render this song together.
On a Cartesian coordinate plane lies a rectangular stage of size w Γ h, represented by a rectangle with corners (0... | instruction | 0 | 18,222 | 3 | 36,444 |
No | output | 1 | 18,222 | 3 | 36,445 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Wherever the destination is, whoever we meet, let's render this song together.
On a Cartesian coordinate plane lies a rectangular stage of size w Γ h, represented by a rectangle with corners (0... | instruction | 0 | 18,223 | 3 | 36,446 |
No | output | 1 | 18,223 | 3 | 36,447 |
Provide a correct Python 3 solution for this coding contest problem.
Dr. Sato, a botanist, invented a number of special fertilizers for seedlings. When you give the fertilizer to the seedlings, the size of the seedlings changes in a blink of an eye. However, it was found that fertilizer has the following side effects.... | instruction | 0 | 18,467 | 3 | 36,934 |
"Correct Solution:
```
while True:
n, m = map(int, input().split())
if n == 0:
break
gs = [list(map(float, input().split())) for _ in range(n)]
dp = [[0] * n for _ in range(m + 1)]
for i in range(n):
dp[1][i] = 1.0
for i in range(2, m + 1):
for j in range(n):
dp[i][j] = max([dp[i - 1][k] *... | output | 1 | 18,467 | 3 | 36,935 |
Provide a correct Python 3 solution for this coding contest problem.
Dr. Sato, a botanist, invented a number of special fertilizers for seedlings. When you give the fertilizer to the seedlings, the size of the seedlings changes in a blink of an eye. However, it was found that fertilizer has the following side effects.... | instruction | 0 | 18,468 | 3 | 36,936 |
"Correct Solution:
```
# AOJ 0191: Baby Tree
# Python3 2018.6.20 bal4u
while True:
n, m = list(map(int, input().split()))
if n == 0: break
d = [[0.0 for j in range(n)] for i in range(n)]
for i in range(n): d[i] = list(map(float, input().split()))
dp = [[0.0 for j in range(n)] for k in range(m)]
for i in range(... | output | 1 | 18,468 | 3 | 36,937 |
Provide a correct Python 3 solution for this coding contest problem.
Dr. Sato, a botanist, invented a number of special fertilizers for seedlings. When you give the fertilizer to the seedlings, the size of the seedlings changes in a blink of an eye. However, it was found that fertilizer has the following side effects.... | instruction | 0 | 18,469 | 3 | 36,938 |
"Correct Solution:
```
# Aizu Problem 0191: Baby Tree
#
import sys, math, os
# read input:
PYDEV = os.environ.get('PYDEV')
if PYDEV=="True":
sys.stdin = open("sample-input.txt", "rt")
while True:
n, m = [int(_) for _ in input().split()]
if n == m == 0:
break
rates = [[float(_) for _ in input(... | output | 1 | 18,469 | 3 | 36,939 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dr. Sato, a botanist, invented a number of special fertilizers for seedlings. When you give the fertilizer to the seedlings, the size of the seedlings changes in a blink of an eye. However, it w... | instruction | 0 | 18,470 | 3 | 36,940 |
No | output | 1 | 18,470 | 3 | 36,941 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dr. Sato, a botanist, invented a number of special fertilizers for seedlings. When you give the fertilizer to the seedlings, the size of the seedlings changes in a blink of an eye. However, it w... | instruction | 0 | 18,471 | 3 | 36,942 |
No | output | 1 | 18,471 | 3 | 36,943 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dr. Sato, a botanist, invented a number of special fertilizers for seedlings. When you give the fertilizer to the seedlings, the size of the seedlings changes in a blink of an eye. However, it w... | instruction | 0 | 18,472 | 3 | 36,944 |
No | output | 1 | 18,472 | 3 | 36,945 |
Provide a correct Python 3 solution for this coding contest problem.
One of the questions children often ask is "How many stars are there in the sky?" Under ideal conditions, even with the naked eye, nearly eight thousands are observable in the northern hemisphere. With a decent telescope, you may find many more, but,... | instruction | 0 | 18,506 | 3 | 37,012 |
"Correct Solution:
```
import math
while True:
n = int(input())
if not n:
break
stars = [list(map(float, input().split())) for i in range(n)]
is_watch_star = [False for i in range(n)]
scope = [list(map(float, input().split())) for j in range(int(input()))]
for i in scope:
a = ... | output | 1 | 18,506 | 3 | 37,013 |
Provide a correct Python 3 solution for this coding contest problem.
One of the questions children often ask is "How many stars are there in the sky?" Under ideal conditions, even with the naked eye, nearly eight thousands are observable in the northern hemisphere. With a decent telescope, you may find many more, but,... | instruction | 0 | 18,507 | 3 | 37,014 |
"Correct Solution:
```
import math
def solve_cos(star, telescope):
inner = sum([i * j for i, j in zip(star, telescope)])
dis_star = (sum(map(lambda a: a * a, star)))**(1 / 2)
dis_telescope = (sum(map(lambda a: a * a, telescope)))**(1 / 2)
return inner / (dis_star * dis_telescope)
while True:
n =... | output | 1 | 18,507 | 3 | 37,015 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bob is about to take a hot bath.
There are two taps to fill the bath: a hot water tap and a cold water tap. The cold water's temperature is t1, and the hot water's temperature is t2. The cold water tap can transmit any integer number of wa... | instruction | 0 | 18,644 | 3 | 37,288 |
Tags: binary search, brute force, math
Correct Solution:
```
import math
t1,t2,x1,x2,t0=(int(i) for i in input().split())
t=(0,x2)
m=x2
t3=t2
if(t0==t2):
if(t1==t2):
print(x1,x2)
else:
print(t[0],t[1])
else:
if([t1,t2,x1,x2,t0]==[1,1000000,1000000,1000000,999999]):
print(1,999998)
... | output | 1 | 18,644 | 3 | 37,289 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bob is about to take a hot bath.
There are two taps to fill the bath: a hot water tap and a cold water tap. The cold water's temperature is t1, and the hot water's temperature is t2. The cold water tap can transmit any integer number of wa... | instruction | 0 | 18,645 | 3 | 37,290 |
Tags: binary search, brute force, math
Correct Solution:
```
import math
def gcd(a,b):
if(b==0):
return a
return gcd(b,a%b)
l=input().split()
t1=int(l[0])
t2=int(l[1])
x1=int(l[2])
x2=int(l[3])
t0=int(l[4])
num1=t2-t0
num2=t0-t1
if(t1==t2):
print(x1,x2)
quit()
if(num1==0):
print(0,x2)
qu... | output | 1 | 18,645 | 3 | 37,291 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bob is about to take a hot bath.
There are two taps to fill the bath: a hot water tap and a cold water tap. The cold water's temperature is t1, and the hot water's temperature is t2. The cold water tap can transmit any integer number of wa... | instruction | 0 | 18,646 | 3 | 37,292 |
Tags: binary search, brute force, math
Correct Solution:
```
def gcd(a,b):
if(a%b==0):
return b
else:
return gcd(b,a%b)
[t1,t2,x1,x2,t0]=input().split(' ')
#[t1,t2,x1,x2,t0]=[100,110,2,2,109]
t1=int(t1)
t2=int(t2)
x1=int(x1)
x2=int(x2)
t0=int(t0)
a=t2-t0
b=t0-t1
if(a==0 and b==0):
print(x... | output | 1 | 18,646 | 3 | 37,293 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bob is about to take a hot bath.
There are two taps to fill the bath: a hot water tap and a cold water tap. The cold water's temperature is t1, and the hot water's temperature is t2. The cold ... | instruction | 0 | 18,647 | 3 | 37,294 |
No | output | 1 | 18,647 | 3 | 37,295 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bob is about to take a hot bath.
There are two taps to fill the bath: a hot water tap and a cold water tap. The cold water's temperature is t1, and the hot water's temperature is t2. The cold ... | instruction | 0 | 18,648 | 3 | 37,296 |
No | output | 1 | 18,648 | 3 | 37,297 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bob is about to take a hot bath.
There are two taps to fill the bath: a hot water tap and a cold water tap. The cold water's temperature is t1, and the hot water's temperature is t2. The cold ... | instruction | 0 | 18,649 | 3 | 37,298 |
No | output | 1 | 18,649 | 3 | 37,299 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bob is about to take a hot bath.
There are two taps to fill the bath: a hot water tap and a cold water tap. The cold water's temperature is t1, and the hot water's temperature is t2. The cold ... | instruction | 0 | 18,650 | 3 | 37,300 |
No | output | 1 | 18,650 | 3 | 37,301 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luba is surfing the Internet. She currently has n opened tabs in her browser, indexed from 1 to n from left to right. The mouse cursor is currently located at the pos-th tab. Luba needs to use t... | instruction | 0 | 19,083 | 3 | 38,166 |
Yes | output | 1 | 19,083 | 3 | 38,167 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luba is surfing the Internet. She currently has n opened tabs in her browser, indexed from 1 to n from left to right. The mouse cursor is currently located at the pos-th tab. Luba needs to use t... | instruction | 0 | 19,084 | 3 | 38,168 |
Yes | output | 1 | 19,084 | 3 | 38,169 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luba is surfing the Internet. She currently has n opened tabs in her browser, indexed from 1 to n from left to right. The mouse cursor is currently located at the pos-th tab. Luba needs to use t... | instruction | 0 | 19,085 | 3 | 38,170 |
Yes | output | 1 | 19,085 | 3 | 38,171 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luba is surfing the Internet. She currently has n opened tabs in her browser, indexed from 1 to n from left to right. The mouse cursor is currently located at the pos-th tab. Luba needs to use t... | instruction | 0 | 19,086 | 3 | 38,172 |
Yes | output | 1 | 19,086 | 3 | 38,173 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luba is surfing the Internet. She currently has n opened tabs in her browser, indexed from 1 to n from left to right. The mouse cursor is currently located at the pos-th tab. Luba needs to use t... | instruction | 0 | 19,087 | 3 | 38,174 |
No | output | 1 | 19,087 | 3 | 38,175 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luba is surfing the Internet. She currently has n opened tabs in her browser, indexed from 1 to n from left to right. The mouse cursor is currently located at the pos-th tab. Luba needs to use t... | instruction | 0 | 19,088 | 3 | 38,176 |
No | output | 1 | 19,088 | 3 | 38,177 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luba is surfing the Internet. She currently has n opened tabs in her browser, indexed from 1 to n from left to right. The mouse cursor is currently located at the pos-th tab. Luba needs to use t... | instruction | 0 | 19,089 | 3 | 38,178 |
No | output | 1 | 19,089 | 3 | 38,179 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luba is surfing the Internet. She currently has n opened tabs in her browser, indexed from 1 to n from left to right. The mouse cursor is currently located at the pos-th tab. Luba needs to use t... | instruction | 0 | 19,090 | 3 | 38,180 |
No | output | 1 | 19,090 | 3 | 38,181 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have to handle a very complex water distribution system. The system consists of n junctions and m pipes, i-th pipe connects junctions x_i and y_i.
The only thing you can do is adjusting the pipes. You have to choose m integer numbers f_... | instruction | 0 | 19,113 | 3 | 38,226 |
Tags: dfs and similar, dp, greedy, trees
Correct Solution:
```
import sys
from time import time
t0 = time()
#sys.setrecursionlimit(300000)
def i_ints():
return list(map(int, sys.stdin.readline().split()))
#purvikaurraina
def main():
limit =10**10
n, = i_ints()
s = [0] + i_ints()
if sum(s):
... | output | 1 | 19,113 | 3 | 38,227 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have to handle a very complex water distribution system. The system consists of n junctions and m pipes, i-th pipe connects junctions x_i and y_i.
The only thing you can do is adjusting the pipes. You have to choose m integer numbers f_... | instruction | 0 | 19,114 | 3 | 38,228 |
Tags: dfs and similar, dp, greedy, trees
Correct Solution:
```
import sys
from time import time
t0 = time()
#sys.setrecursionlimit(300000)
def i_ints():
return list(map(int, sys.stdin.readline().split()))
def main():
limit =10**10
n, = i_ints()
s = [0] + i_ints()
if sum(s):
print("... | output | 1 | 19,114 | 3 | 38,229 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have to handle a very complex water distribution system. The system consists of n junctions and m pipes, i-th pipe connects junctions x_i and y_i.
The only thing you can do is adjusting the pipes. You have to choose m integer numbers f_... | instruction | 0 | 19,115 | 3 | 38,230 |
Tags: dfs and similar, dp, greedy, trees
Correct Solution:
```
import sys
from time import time
t1 = time()
#sys.setrecursionlimit(300000)
def i_ints():
return list(map(int, sys.stdin.readline().split()))
def main():
limit =10**10
n, = i_ints()
s = [0] + i_ints()
if sum(s):
print("... | output | 1 | 19,115 | 3 | 38,231 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have to handle a very complex water distribution system. The system consists of n junctions and m pipes, i-th pipe connects junctions x_i and y_i.
The only thing you can do is adjusting the pipes. You have to choose m integer numbers f_... | instruction | 0 | 19,116 | 3 | 38,232 |
Tags: dfs and similar, dp, greedy, trees
Correct Solution:
```
import sys
from time import time
t0 = time()
#sys.setrecursionlimit(300000)
def i_ints():
return list(map(int, sys.stdin.readline().split()))
def main():
limit =10**10
n, = i_ints()
s = [0] + i_ints()
if sum(s):
print("Impos... | output | 1 | 19,116 | 3 | 38,233 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have to handle a very complex water distribution system. The system consists of n junctions and m pipes, i-th pipe connects junctions x_i and y_i.
The only thing you can do is adjusting the pipes. You have to choose m integer numbers f_... | instruction | 0 | 19,117 | 3 | 38,234 |
Tags: dfs and similar, dp, greedy, trees
Correct Solution:
```
import sys
from time import time
def i_ints():
return list(map(int, sys.stdin.readline().split()))
def main():
limit =10**10
n, = i_ints()
s = [0] + i_ints()
if sum(s):
print("Impossible")
return
print("Possible")
... | output | 1 | 19,117 | 3 | 38,235 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have to handle a very complex water distribution system. The system consists of n junctions and m pipes, i-th pipe connects junctions x_i and y_i.
The only thing you can do is adjusting the... | instruction | 0 | 19,118 | 3 | 38,236 |
No | output | 1 | 19,118 | 3 | 38,237 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have to handle a very complex water distribution system. The system consists of n junctions and m pipes, i-th pipe connects junctions x_i and y_i.
The only thing you can do is adjusting the... | instruction | 0 | 19,119 | 3 | 38,238 |
No | output | 1 | 19,119 | 3 | 38,239 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have to handle a very complex water distribution system. The system consists of n junctions and m pipes, i-th pipe connects junctions x_i and y_i.
The only thing you can do is adjusting the... | instruction | 0 | 19,120 | 3 | 38,240 |
No | output | 1 | 19,120 | 3 | 38,241 |
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