message stringlengths 2 43.5k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 853 107k | cluster float64 24 24 | __index_level_0__ int64 1.71k 214k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This problem uses a simplified network topology model, please read the problem statement carefully and use it as a formal document as you develop the solution.
Polycarpus continues working as a... | instruction | 0 | 90,445 | 24 | 180,890 |
Yes | output | 1 | 90,445 | 24 | 180,891 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This problem uses a simplified network topology model, please read the problem statement carefully and use it as a formal document as you develop the solution.
Polycarpus continues working as a... | instruction | 0 | 90,446 | 24 | 180,892 |
Yes | output | 1 | 90,446 | 24 | 180,893 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This problem uses a simplified network topology model, please read the problem statement carefully and use it as a formal document as you develop the solution.
Polycarpus continues working as a... | instruction | 0 | 90,447 | 24 | 180,894 |
No | output | 1 | 90,447 | 24 | 180,895 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This problem uses a simplified network topology model, please read the problem statement carefully and use it as a formal document as you develop the solution.
Polycarpus continues working as a... | instruction | 0 | 90,448 | 24 | 180,896 |
No | output | 1 | 90,448 | 24 | 180,897 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This problem uses a simplified network topology model, please read the problem statement carefully and use it as a formal document as you develop the solution.
Polycarpus continues working as a... | instruction | 0 | 90,449 | 24 | 180,898 |
No | output | 1 | 90,449 | 24 | 180,899 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This problem uses a simplified network topology model, please read the problem statement carefully and use it as a formal document as you develop the solution.
Polycarpus continues working as a... | instruction | 0 | 90,450 | 24 | 180,900 |
No | output | 1 | 90,450 | 24 | 180,901 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp invited all his friends to the tea party to celebrate the holiday. He has n cups, one for each of his n friends, with volumes a1, a2, ..., an. His teapot stores w milliliters of tea (w ≤ a1 + a2 + ... + an). Polycarp wants to pour t... | instruction | 0 | 91,349 | 24 | 182,698 |
Tags: constructive algorithms, greedy, sortings
Correct Solution:
```
#!/usr/bin/env python3
[n, w] = map(int, input().strip().split())
ais = list(map(int, input().strip().split()))
ni = list(range(n))
ni.sort(key=lambda i: ais[i], reverse=True)
vis = [-((-a) // 2) for a in ais] # ceil
s = sum(vis)
if s > w:
print ... | output | 1 | 91,349 | 24 | 182,699 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp invited all his friends to the tea party to celebrate the holiday. He has n cups, one for each of his n friends, with volumes a1, a2, ..., an. His teapot stores w milliliters of tea (w ≤ a1 + a2 + ... + an). Polycarp wants to pour t... | instruction | 0 | 91,350 | 24 | 182,700 |
Tags: constructive algorithms, greedy, sortings
Correct Solution:
```
from collections import deque
import math
n,k=map(int,input().split())
arr=list(map(int,input().split()))
q=deque()
v=[False]*n
for i in range(n):
var=int(math.ceil(arr[i]/2))
if k>=var:
q.append(var)
k-=var
else:
... | output | 1 | 91,350 | 24 | 182,701 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp invited all his friends to the tea party to celebrate the holiday. He has n cups, one for each of his n friends, with volumes a1, a2, ..., an. His teapot stores w milliliters of tea (w ≤ a1 + a2 + ... + an). Polycarp wants to pour t... | instruction | 0 | 91,351 | 24 | 182,702 |
Tags: constructive algorithms, greedy, sortings
Correct Solution:
```
n, w = [int(x) for x in input().split()]
a = [int(x) for x in input().split()]
a_index = [(x, i) for i, x in enumerate(a)]
a_index.sort(reverse=True)
res = [0] * len(a)
for x, i in a_index:
need = (x+1) // 2
res[i] = need
w -= need
if... | output | 1 | 91,351 | 24 | 182,703 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp invited all his friends to the tea party to celebrate the holiday. He has n cups, one for each of his n friends, with volumes a1, a2, ..., an. His teapot stores w milliliters of tea (w ≤ a1 + a2 + ... + an). Polycarp wants to pour t... | instruction | 0 | 91,352 | 24 | 182,704 |
Tags: constructive algorithms, greedy, sortings
Correct Solution:
```
from sys import stdin, stdout
from math import ceil
n, w = map(int, stdin.readline().split())
values = list(map(int, stdin.readline().split()))
fill = [0 for i in range(n)]
for i in range(n):
values[i] = (values[i], i)
values.sort()
label... | output | 1 | 91,352 | 24 | 182,705 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp invited all his friends to the tea party to celebrate the holiday. He has n cups, one for each of his n friends, with volumes a1, a2, ..., an. His teapot stores w milliliters of tea (w ≤ a1 + a2 + ... + an). Polycarp wants to pour t... | instruction | 0 | 91,353 | 24 | 182,706 |
Tags: constructive algorithms, greedy, sortings
Correct Solution:
```
desc = input().split()
num = int(desc[0])
w = int(desc[1])
cups = list(map(int, input().split()))
halfsums = 0
resmilk = []
maxel = cups[0]
maxin = 0
maxls = []
for i in range(num):
if cups[i] > maxel:
maxel = cups[i]
maxin = i
... | output | 1 | 91,353 | 24 | 182,707 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp invited all his friends to the tea party to celebrate the holiday. He has n cups, one for each of his n friends, with volumes a1, a2, ..., an. His teapot stores w milliliters of tea (w ≤ a1 + a2 + ... + an). Polycarp wants to pour t... | instruction | 0 | 91,354 | 24 | 182,708 |
Tags: constructive algorithms, greedy, sortings
Correct Solution:
```
#Mamma don't raises quitter.................................................
from collections import deque as de
import math
from math import sqrt as sq
from math import floor as fl
from math import ceil as ce
from sys import stdin, stdout
import re
... | output | 1 | 91,354 | 24 | 182,709 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp invited all his friends to the tea party to celebrate the holiday. He has n cups, one for each of his n friends, with volumes a1, a2, ..., an. His teapot stores w milliliters of tea (w ≤ a1 + a2 + ... + an). Polycarp wants to pour t... | instruction | 0 | 91,355 | 24 | 182,710 |
Tags: constructive algorithms, greedy, sortings
Correct Solution:
```
n, w = [int(inp) for inp in input().split()]
cap = [int(a) for a in input().split(" ")]
val = [0] * n
for i in range(n):
cap[i] = (cap[i], i)
cap.sort()
cap.reverse()
for i in range(n):
val[i] = cap[i][0]//2 + int(cap[i][0] % 2 != 0)
w... | output | 1 | 91,355 | 24 | 182,711 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp invited all his friends to the tea party to celebrate the holiday. He has n cups, one for each of his n friends, with volumes a1, a2, ..., an. His teapot stores w milliliters of tea (w ≤ a1 + a2 + ... + an). Polycarp wants to pour t... | instruction | 0 | 91,356 | 24 | 182,712 |
Tags: constructive algorithms, greedy, sortings
Correct Solution:
```
import sys,math
Tests=1
for _ in range(Tests):
n,w=map(int,sys.stdin.readline().split())
a=list(map(int,sys.stdin.readline().split()))
s=0
for i in range(n):
s+=(a[i]+1)//2
if w<s:
print(-1)
else:
ans=... | output | 1 | 91,356 | 24 | 182,713 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp invited all his friends to the tea party to celebrate the holiday. He has n cups, one for each of his n friends, with volumes a1, a2, ..., an. His teapot stores w milliliters of tea (w ... | instruction | 0 | 91,357 | 24 | 182,714 |
Yes | output | 1 | 91,357 | 24 | 182,715 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp invited all his friends to the tea party to celebrate the holiday. He has n cups, one for each of his n friends, with volumes a1, a2, ..., an. His teapot stores w milliliters of tea (w ... | instruction | 0 | 91,358 | 24 | 182,716 |
Yes | output | 1 | 91,358 | 24 | 182,717 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp invited all his friends to the tea party to celebrate the holiday. He has n cups, one for each of his n friends, with volumes a1, a2, ..., an. His teapot stores w milliliters of tea (w ... | instruction | 0 | 91,359 | 24 | 182,718 |
Yes | output | 1 | 91,359 | 24 | 182,719 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp invited all his friends to the tea party to celebrate the holiday. He has n cups, one for each of his n friends, with volumes a1, a2, ..., an. His teapot stores w milliliters of tea (w ... | instruction | 0 | 91,360 | 24 | 182,720 |
Yes | output | 1 | 91,360 | 24 | 182,721 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp invited all his friends to the tea party to celebrate the holiday. He has n cups, one for each of his n friends, with volumes a1, a2, ..., an. His teapot stores w milliliters of tea (w ... | instruction | 0 | 91,361 | 24 | 182,722 |
No | output | 1 | 91,361 | 24 | 182,723 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp invited all his friends to the tea party to celebrate the holiday. He has n cups, one for each of his n friends, with volumes a1, a2, ..., an. His teapot stores w milliliters of tea (w ... | instruction | 0 | 91,362 | 24 | 182,724 |
No | output | 1 | 91,362 | 24 | 182,725 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp invited all his friends to the tea party to celebrate the holiday. He has n cups, one for each of his n friends, with volumes a1, a2, ..., an. His teapot stores w milliliters of tea (w ... | instruction | 0 | 91,363 | 24 | 182,726 |
No | output | 1 | 91,363 | 24 | 182,727 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp invited all his friends to the tea party to celebrate the holiday. He has n cups, one for each of his n friends, with volumes a1, a2, ..., an. His teapot stores w milliliters of tea (w ... | instruction | 0 | 91,364 | 24 | 182,728 |
No | output | 1 | 91,364 | 24 | 182,729 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp wants to cook a soup. To do it, he needs to buy exactly n liters of water.
There are only two types of water bottles in the nearby shop — 1-liter bottles and 2-liter bottles. There are infinitely many bottles of these two types in ... | instruction | 0 | 91,745 | 24 | 183,490 |
Tags: math
Correct Solution:
```
for i in range(int(input())):
n, a, b = map(int, input().split())
print(min(n * a, n // 2 * b + a * ((n + 1) // 2 - n // 2)))
``` | output | 1 | 91,745 | 24 | 183,491 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp wants to cook a soup. To do it, he needs to buy exactly n liters of water.
There are only two types of water bottles in the nearby shop — 1-liter bottles and 2-liter bottles. There are infinitely many bottles of these two types in ... | instruction | 0 | 91,746 | 24 | 183,492 |
Tags: math
Correct Solution:
```
q = int(input())
for i in range(q):
n, a, b = list(map(int, input().split()))
if 2 * a <= b:
print(n * a)
else:
print((n // 2) * b + (n % 2) * a)
``` | output | 1 | 91,746 | 24 | 183,493 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp wants to cook a soup. To do it, he needs to buy exactly n liters of water.
There are only two types of water bottles in the nearby shop — 1-liter bottles and 2-liter bottles. There are infinitely many bottles of these two types in ... | instruction | 0 | 91,747 | 24 | 183,494 |
Tags: math
Correct Solution:
```
q=int(input())
for i in range(q):
l=list(map(int,input().split()))
n=l[0]
a=l[1]
b=l[2]
if 2*a<=b:
print(a*n)
else:
print((n//2)*b+(n%2)*a)
``` | output | 1 | 91,747 | 24 | 183,495 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp wants to cook a soup. To do it, he needs to buy exactly n liters of water.
There are only two types of water bottles in the nearby shop — 1-liter bottles and 2-liter bottles. There are infinitely many bottles of these two types in ... | instruction | 0 | 91,748 | 24 | 183,496 |
Tags: math
Correct Solution:
```
q = int(input())
ans = []
for i in range(q):
summ = 0
n , a , b = map(int , input().split())
if a * 2 < b : x = 2 * a
else : x = b
summ += (n // 2) * x
if (n % 2) : summ += a
ans += [str(summ)]
print("\n".join(ans))
``` | output | 1 | 91,748 | 24 | 183,497 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp wants to cook a soup. To do it, he needs to buy exactly n liters of water.
There are only two types of water bottles in the nearby shop — 1-liter bottles and 2-liter bottles. There are infinitely many bottles of these two types in ... | instruction | 0 | 91,749 | 24 | 183,498 |
Tags: math
Correct Solution:
```
amount = int(input())
for i in range(amount):
n,a,b = [int(s) for s in input().split()]
if 2 * a <= b:
print(n * a)
else:
print(a * (n % 2) + (n // 2) * b)
``` | output | 1 | 91,749 | 24 | 183,499 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp wants to cook a soup. To do it, he needs to buy exactly n liters of water.
There are only two types of water bottles in the nearby shop — 1-liter bottles and 2-liter bottles. There are infinitely many bottles of these two types in ... | instruction | 0 | 91,750 | 24 | 183,500 |
Tags: math
Correct Solution:
```
def run(n1, a1, b1):
if 2 * a1 < b1:
res = n1 * a1
else:
res = b1 * int(n1 / 2) + a1 * (n1 % 2)
return res
q = int(input())
for i in range(0, q):
s = input()
n = int(s.split(" ")[0])
a = int(s.split(" ")[1])
b = int(s.split(" ")[2])
prin... | output | 1 | 91,750 | 24 | 183,501 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp wants to cook a soup. To do it, he needs to buy exactly n liters of water.
There are only two types of water bottles in the nearby shop — 1-liter bottles and 2-liter bottles. There are infinitely many bottles of these two types in ... | instruction | 0 | 91,751 | 24 | 183,502 |
Tags: math
Correct Solution:
```
for _ in range(int(input())):
n,a,b=map(int, input().split())
print(min((n//2)*b+(n%2)*a,a*n))
``` | output | 1 | 91,751 | 24 | 183,503 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp wants to cook a soup. To do it, he needs to buy exactly n liters of water.
There are only two types of water bottles in the nearby shop — 1-liter bottles and 2-liter bottles. There are infinitely many bottles of these two types in ... | instruction | 0 | 91,752 | 24 | 183,504 |
Tags: math
Correct Solution:
```
import sys
def main(n, a, b):
d = b - 2*a
if d < 0:
return n//2*b + n%2*a
else:
return n*a
if __name__ == "__main__":
first = True
for line in sys.stdin:
if first:
first = False
continue
l = line.strip()... | output | 1 | 91,752 | 24 | 183,505 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp wants to cook a soup. To do it, he needs to buy exactly n liters of water.
There are only two types of water bottles in the nearby shop — 1-liter bottles and 2-liter bottles. There are... | instruction | 0 | 91,753 | 24 | 183,506 |
Yes | output | 1 | 91,753 | 24 | 183,507 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp wants to cook a soup. To do it, he needs to buy exactly n liters of water.
There are only two types of water bottles in the nearby shop — 1-liter bottles and 2-liter bottles. There are... | instruction | 0 | 91,754 | 24 | 183,508 |
Yes | output | 1 | 91,754 | 24 | 183,509 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp wants to cook a soup. To do it, he needs to buy exactly n liters of water.
There are only two types of water bottles in the nearby shop — 1-liter bottles and 2-liter bottles. There are... | instruction | 0 | 91,755 | 24 | 183,510 |
Yes | output | 1 | 91,755 | 24 | 183,511 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp wants to cook a soup. To do it, he needs to buy exactly n liters of water.
There are only two types of water bottles in the nearby shop — 1-liter bottles and 2-liter bottles. There are... | instruction | 0 | 91,756 | 24 | 183,512 |
Yes | output | 1 | 91,756 | 24 | 183,513 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp wants to cook a soup. To do it, he needs to buy exactly n liters of water.
There are only two types of water bottles in the nearby shop — 1-liter bottles and 2-liter bottles. There are... | instruction | 0 | 91,757 | 24 | 183,514 |
No | output | 1 | 91,757 | 24 | 183,515 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp wants to cook a soup. To do it, he needs to buy exactly n liters of water.
There are only two types of water bottles in the nearby shop — 1-liter bottles and 2-liter bottles. There are... | instruction | 0 | 91,758 | 24 | 183,516 |
No | output | 1 | 91,758 | 24 | 183,517 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp wants to cook a soup. To do it, he needs to buy exactly n liters of water.
There are only two types of water bottles in the nearby shop — 1-liter bottles and 2-liter bottles. There are... | instruction | 0 | 91,759 | 24 | 183,518 |
No | output | 1 | 91,759 | 24 | 183,519 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp wants to cook a soup. To do it, he needs to buy exactly n liters of water.
There are only two types of water bottles in the nearby shop — 1-liter bottles and 2-liter bottles. There are... | instruction | 0 | 91,760 | 24 | 183,520 |
No | output | 1 | 91,760 | 24 | 183,521 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Two pirates Polycarpus and Vasily play a very interesting game. They have n chests with coins, the chests are numbered with integers from 1 to n. Chest number i has ai coins.
Polycarpus and Vasily move in turns. Polycarpus moves first. Dur... | instruction | 0 | 92,945 | 24 | 185,890 |
Tags: greedy
Correct Solution:
```
n = int(input())
if n == 1 or n & 1 == 0: print(-1)
else:
t = list(map(int, input().split()))
s, k = 0, n // 2 - 1
for i in range(n - 1, 1, -2):
p = max(t[i], t[i - 1])
t[k] = max(0, t[k] - p)
s += p
k -= 1
print(s + t[0])
``` | output | 1 | 92,945 | 24 | 185,891 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Two pirates Polycarpus and Vasily play a very interesting game. They have n chests with coins, the chests are numbered with integers from 1 to n. Chest number i has ai coins.
Polycarpus and Vasily move in turns. Polycarpus moves first. Dur... | instruction | 0 | 92,946 | 24 | 185,892 |
Tags: greedy
Correct Solution:
```
t = int(input())
line = input()
lis = line.split()
lis = [int(i) for i in lis]
if t==1 or t%2==0 :
print("-1")
quit()
count = 0
i = t
while i >= 4 :
if i%2 == 1 :
p = i-1
q = int(p/2)
count = count + lis[i-1]
lis[p-1] = lis[p-1] - lis[i-1]... | output | 1 | 92,946 | 24 | 185,893 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Two pirates Polycarpus and Vasily play a very interesting game. They have n chests with coins, the chests are numbered with integers from 1 to n. Chest number i has ai coins.
Polycarpus and Vasily move in turns. Polycarpus moves first. Dur... | instruction | 0 | 92,947 | 24 | 185,894 |
Tags: greedy
Correct Solution:
```
'''
Auther: ghoshashis545 Ashis Ghosh
College: Jalpaiguri Govt Enggineering College
'''
from os import path
from io import BytesIO, IOBase
import sys
from heapq import heappush,heappop
from functools import cmp_to_key as ctk
from collections import deque,Counter,defaultdict a... | output | 1 | 92,947 | 24 | 185,895 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Two pirates Polycarpus and Vasily play a very interesting game. They have n chests with coins, the chests are numbered with integers from 1 to n. Chest number i has ai coins.
Polycarpus and Vasily move in turns. Polycarpus moves first. Dur... | instruction | 0 | 92,948 | 24 | 185,896 |
Tags: greedy
Correct Solution:
```
n=int(input())
if n==1 or n%2==0:
print(-1)
exit()
A=[0]*(n+1)
A[1:n+1]=list(map(int,input().split()))
ans=0
for i in range(n,0,-1):
if(A[i]<=0):continue
x=int(i/2)
A[x]-=A[i]
ans+=A[i]
if i%2==1:
A[i-1]-=A[i]
A[i]=0
print(ans)
``` | output | 1 | 92,948 | 24 | 185,897 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Two pirates Polycarpus and Vasily play a very interesting game. They have n chests with coins, the chests are numbered with integers from 1 to n. Chest number i has ai coins.
Polycarpus and Vasily move in turns. Polycarpus moves first. Dur... | instruction | 0 | 92,949 | 24 | 185,898 |
Tags: greedy
Correct Solution:
```
n, s = int(input()), 0
a = [0] + list(map(int, input().split()))
if n % 2 == 0 or n == 1:
print(-1)
else:
for i in range(n, 1, -2):
mx = max(a[i], a[i - 1])
s += mx
a[i // 2] = max(0, a[i // 2] - mx)
print(s + a[1])
``` | output | 1 | 92,949 | 24 | 185,899 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Two pirates Polycarpus and Vasily play a very interesting game. They have n chests with coins, the chests are numbered with integers from 1 to n. Chest number i has ai coins.
Polycarpus and Vasily move in turns. Polycarpus moves first. Dur... | instruction | 0 | 92,950 | 24 | 185,900 |
Tags: greedy
Correct Solution:
```
n = int(input())
A = [int(i) for i in input().split()]
if n == 1 or n % 2 == 0:
print(-1)
exit()
ans = 0
for i in range(n-1, 3, -2):
diff = max(A[i], A[i-1])
ans += diff
A[(i-1)//2] -= diff
A[(i-1)//2] = max(0, A[(i-1)//2])
ans += max(A[:3])
print(ans)
... | output | 1 | 92,950 | 24 | 185,901 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Two pirates Polycarpus and Vasily play a very interesting game. They have n chests with coins, the chests are numbered with integers from 1 to n. Chest number i has ai coins.
Polycarpus and Vasily move in turns. Polycarpus moves first. Dur... | instruction | 0 | 92,951 | 24 | 185,902 |
Tags: greedy
Correct Solution:
```
#!/usr/bin/python3
n = int(input())
a = [0] + list(map(int, input().split()))
if len(a) < 3 or n % 2 == 0:
print(-1)
else:
ans = 0
for x in range(n // 2, 0, -1):
d = max(0, a[2 * x], a[2 * x + 1])
ans += d
a[x] -= d
print(ans + max(0, a[1]))
`... | output | 1 | 92,951 | 24 | 185,903 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Two pirates Polycarpus and Vasily play a very interesting game. They have n chests with coins, the chests are numbered with integers from 1 to n. Chest number i has ai coins.
Polycarpus and Vasily move in turns. Polycarpus moves first. Dur... | instruction | 0 | 92,952 | 24 | 185,904 |
Tags: greedy
Correct Solution:
```
n=int(input())
if n==1 or n%2==0:
print(-1)
exit()
A=[0]*(n+1)
A[1:n+1]=list(map(int,input().split()))
ans=0
for i in range(n,0,-1):
if(A[i]<=0):continue
x=int(i/2)
A[x]-=A[i]
ans+=A[i]
if i%2==1:
A[i-1]-=A[i]
A[i]=0
print(ans)
# Made By Mostafa_Khaled
... | output | 1 | 92,952 | 24 | 185,905 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Two pirates Polycarpus and Vasily play a very interesting game. They have n chests with coins, the chests are numbered with integers from 1 to n. Chest number i has ai coins.
Polycarpus and Va... | instruction | 0 | 92,953 | 24 | 185,906 |
Yes | output | 1 | 92,953 | 24 | 185,907 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Two pirates Polycarpus and Vasily play a very interesting game. They have n chests with coins, the chests are numbered with integers from 1 to n. Chest number i has ai coins.
Polycarpus and Va... | instruction | 0 | 92,954 | 24 | 185,908 |
Yes | output | 1 | 92,954 | 24 | 185,909 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Two pirates Polycarpus and Vasily play a very interesting game. They have n chests with coins, the chests are numbered with integers from 1 to n. Chest number i has ai coins.
Polycarpus and Va... | instruction | 0 | 92,955 | 24 | 185,910 |
No | output | 1 | 92,955 | 24 | 185,911 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Two pirates Polycarpus and Vasily play a very interesting game. They have n chests with coins, the chests are numbered with integers from 1 to n. Chest number i has ai coins.
Polycarpus and Va... | instruction | 0 | 92,956 | 24 | 185,912 |
No | output | 1 | 92,956 | 24 | 185,913 |
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