message stringlengths 2 67k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 463 109k | cluster float64 19 19 | __index_level_0__ int64 926 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a legend in the IT City college. A student that failed to answer all questions on the game theory exam is given one more chance by his professor. The student has to play a game with the... | instruction | 0 | 61,912 | 19 | 123,824 |
Yes | output | 1 | 61,912 | 19 | 123,825 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a legend in the IT City college. A student that failed to answer all questions on the game theory exam is given one more chance by his professor. The student has to play a game with the... | instruction | 0 | 61,913 | 19 | 123,826 |
Yes | output | 1 | 61,913 | 19 | 123,827 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a legend in the IT City college. A student that failed to answer all questions on the game theory exam is given one more chance by his professor. The student has to play a game with the... | instruction | 0 | 61,914 | 19 | 123,828 |
Yes | output | 1 | 61,914 | 19 | 123,829 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a legend in the IT City college. A student that failed to answer all questions on the game theory exam is given one more chance by his professor. The student has to play a game with the... | instruction | 0 | 61,915 | 19 | 123,830 |
Yes | output | 1 | 61,915 | 19 | 123,831 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a legend in the IT City college. A student that failed to answer all questions on the game theory exam is given one more chance by his professor. The student has to play a game with the... | instruction | 0 | 61,916 | 19 | 123,832 |
No | output | 1 | 61,916 | 19 | 123,833 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a legend in the IT City college. A student that failed to answer all questions on the game theory exam is given one more chance by his professor. The student has to play a game with the... | instruction | 0 | 61,917 | 19 | 123,834 |
No | output | 1 | 61,917 | 19 | 123,835 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a legend in the IT City college. A student that failed to answer all questions on the game theory exam is given one more chance by his professor. The student has to play a game with the... | instruction | 0 | 61,918 | 19 | 123,836 |
No | output | 1 | 61,918 | 19 | 123,837 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a legend in the IT City college. A student that failed to answer all questions on the game theory exam is given one more chance by his professor. The student has to play a game with the... | instruction | 0 | 61,919 | 19 | 123,838 |
No | output | 1 | 61,919 | 19 | 123,839 |
Provide a correct Python 3 solution for this coding contest problem.
A group of people played a game. All players had distinct scores, which are positive integers.
Takahashi knows N facts on the players' scores. The i-th fact is as follows: the A_i-th highest score among the players is B_i.
Find the maximum possible... | instruction | 0 | 62,142 | 19 | 124,284 |
"Correct Solution:
```
n=int(input())
arr=[list(map(int,input().split())) for _ in range(n)]
arr=sorted(arr,key=lambda x:x[0])
print(arr[-1][0]+arr[-1][1])
``` | output | 1 | 62,142 | 19 | 124,285 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A group of people played a game. All players had distinct scores, which are positive integers.
Takahashi knows N facts on the players' scores. The i-th fact is as follows: the A_i-th highest sc... | instruction | 0 | 62,155 | 19 | 124,310 |
No | output | 1 | 62,155 | 19 | 124,311 |
Provide tags and a correct Python 3 solution for this coding contest problem.
After all the events in Orlando we all know, Sasha and Roma decided to find out who is still the team's biggest loser. Thankfully, Masha found somewhere a revolver with a rotating cylinder of n bullet slots able to contain exactly k bullets,... | instruction | 0 | 62,286 | 19 | 124,572 |
Tags: constructive algorithms, greedy
Correct Solution:
```
#!/usr/bin/env python3
n, k, p = map(int, input().strip().split())
if k == 0:
ak = 0
an = n
else:
ak = k - 1 if n % 2 == 1 else k
an = n - (n % 2)
ans = ''
for i in range(p):
v = int(input().rstrip())
if k == 0:
print('.', en... | output | 1 | 62,286 | 19 | 124,573 |
Provide tags and a correct Python 3 solution for this coding contest problem.
After all the events in Orlando we all know, Sasha and Roma decided to find out who is still the team's biggest loser. Thankfully, Masha found somewhere a revolver with a rotating cylinder of n bullet slots able to contain exactly k bullets,... | instruction | 0 | 62,287 | 19 | 124,574 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n,k,p=map(int,input().split())
if n%2:n,k=n-1,k-1
for i in range(p):
x=int(input())
z=((k<=n//2 and x%2==0 and x>n-2*k) or (k>n//2 and(x%2==0 or (x>n-2*(k-n//2)))) or (x>n and k>=0))
print(['.','X'][z],end='')
``` | output | 1 | 62,287 | 19 | 124,575 |
Provide tags and a correct Python 3 solution for this coding contest problem.
After all the events in Orlando we all know, Sasha and Roma decided to find out who is still the team's biggest loser. Thankfully, Masha found somewhere a revolver with a rotating cylinder of n bullet slots able to contain exactly k bullets,... | instruction | 0 | 62,288 | 19 | 124,576 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n, k, p = map(int, input().split())
for i in range(p):
pos = int(input())
if n % 2:
if pos == n:
print('X' if k > 0 else '.', end='')
else:
if k * 2 > n + 1:
print('X' if (pos & 1) == 0 or (n - p... | output | 1 | 62,288 | 19 | 124,577 |
Provide tags and a correct Python 3 solution for this coding contest problem.
After all the events in Orlando we all know, Sasha and Roma decided to find out who is still the team's biggest loser. Thankfully, Masha found somewhere a revolver with a rotating cylinder of n bullet slots able to contain exactly k bullets,... | instruction | 0 | 62,289 | 19 | 124,578 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n, k, p = map(int, input().split())
for i in range(p):
pos = int(input())
if n % 2:
if pos == n:
print('X' if k > 0 else '.', end='')
else:
if k * 2 > n + 1:
print('X' if (pos & 1) == 0 or (n - p... | output | 1 | 62,289 | 19 | 124,579 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
After all the events in Orlando we all know, Sasha and Roma decided to find out who is still the team's biggest loser. Thankfully, Masha found somewhere a revolver with a rotating cylinder of n ... | instruction | 0 | 62,290 | 19 | 124,580 |
No | output | 1 | 62,290 | 19 | 124,581 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
After all the events in Orlando we all know, Sasha and Roma decided to find out who is still the team's biggest loser. Thankfully, Masha found somewhere a revolver with a rotating cylinder of n ... | instruction | 0 | 62,291 | 19 | 124,582 |
No | output | 1 | 62,291 | 19 | 124,583 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
After all the events in Orlando we all know, Sasha and Roma decided to find out who is still the team's biggest loser. Thankfully, Masha found somewhere a revolver with a rotating cylinder of n ... | instruction | 0 | 62,292 | 19 | 124,584 |
No | output | 1 | 62,292 | 19 | 124,585 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Tokitsukaze found an interesting game. Tokitsukaze had n items at the beginning of this game. However, she thought there were too many items, so now she wants to discard m (1 ≤ m ≤ n) ... | instruction | 0 | 62,363 | 19 | 124,726 |
Yes | output | 1 | 62,363 | 19 | 124,727 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Tokitsukaze found an interesting game. Tokitsukaze had n items at the beginning of this game. However, she thought there were too many items, so now she wants to discard m (1 ≤ m ≤ n) ... | instruction | 0 | 62,364 | 19 | 124,728 |
Yes | output | 1 | 62,364 | 19 | 124,729 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Tokitsukaze found an interesting game. Tokitsukaze had n items at the beginning of this game. However, she thought there were too many items, so now she wants to discard m (1 ≤ m ≤ n) ... | instruction | 0 | 62,365 | 19 | 124,730 |
Yes | output | 1 | 62,365 | 19 | 124,731 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Tokitsukaze found an interesting game. Tokitsukaze had n items at the beginning of this game. However, she thought there were too many items, so now she wants to discard m (1 ≤ m ≤ n) ... | instruction | 0 | 62,366 | 19 | 124,732 |
Yes | output | 1 | 62,366 | 19 | 124,733 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Tokitsukaze found an interesting game. Tokitsukaze had n items at the beginning of this game. However, she thought there were too many items, so now she wants to discard m (1 ≤ m ≤ n) ... | instruction | 0 | 62,367 | 19 | 124,734 |
No | output | 1 | 62,367 | 19 | 124,735 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Tokitsukaze found an interesting game. Tokitsukaze had n items at the beginning of this game. However, she thought there were too many items, so now she wants to discard m (1 ≤ m ≤ n) ... | instruction | 0 | 62,368 | 19 | 124,736 |
No | output | 1 | 62,368 | 19 | 124,737 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Tokitsukaze found an interesting game. Tokitsukaze had n items at the beginning of this game. However, she thought there were too many items, so now she wants to discard m (1 ≤ m ≤ n) ... | instruction | 0 | 62,369 | 19 | 124,738 |
No | output | 1 | 62,369 | 19 | 124,739 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Tokitsukaze found an interesting game. Tokitsukaze had n items at the beginning of this game. However, she thought there were too many items, so now she wants to discard m (1 ≤ m ≤ n) ... | instruction | 0 | 62,370 | 19 | 124,740 |
No | output | 1 | 62,370 | 19 | 124,741 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a non-empty consecutive segment of cards [l; r] (l... | instruction | 0 | 62,456 | 19 | 124,912 |
Tags: data structures, dp, implementation, two pointers
Correct Solution:
```
# import sys
# sys = input.stdin.readline
n=int(input())
arr=list(map(int,input().split()))
ans=0
for i in range(1,31):
res=0
for j in arr:
if(j>i):
res = 0
else:
res += j
res=max(re... | output | 1 | 62,456 | 19 | 124,913 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a non-empty consecutive segment of cards [l; r] (l... | instruction | 0 | 62,457 | 19 | 124,914 |
Tags: data structures, dp, implementation, two pointers
Correct Solution:
```
# Enter your code here. Read input from STDIN. Print output to STDOUT# ===============================================================================================
# importing some useful libraries.
from __future__ import division, print_f... | output | 1 | 62,457 | 19 | 124,915 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a non-empty consecutive segment of cards [l; r] (l... | instruction | 0 | 62,458 | 19 | 124,916 |
Tags: data structures, dp, implementation, two pointers
Correct Solution:
```
def calc(x,mx):
if x > mx:
return float("-inf")
else:
return x
def calcmax(arr):
max_so_far=float("-inf")
currmax=0
for i in arr:
currmax+=i
if currmax > max_so_far:
max_so_far ... | output | 1 | 62,458 | 19 | 124,917 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a non-empty consecutive segment of cards [l; r] (l... | instruction | 0 | 62,459 | 19 | 124,918 |
Tags: data structures, dp, implementation, two pointers
Correct Solution:
```
INF=-1000000000
n=int(input())
a=list(map(int,input().split()))
ans=0
for mx in range(31):
cur=0
best=0
for i in range(n):
if (a[i]>mx):
val=INF
else:
val=a[i]
cur+=val
best=min(best,cur)
ans=max(ans,(cur-best)-mx)
pri... | output | 1 | 62,459 | 19 | 124,919 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a non-empty consecutive segment of cards [l; r] (l... | instruction | 0 | 62,460 | 19 | 124,920 |
Tags: data structures, dp, implementation, two pointers
Correct Solution:
```
def inp():
return(int(input()))
import math
def inlt():
return(list(map(int,input().split())))
def insr():
s = input()
return(list(s[:len(s) - 1]))
def invr():
return(map(int,input().split()))
import bisect
#python3 codefo... | output | 1 | 62,460 | 19 | 124,921 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a non-empty consecutive segment of cards [l; r] (l... | instruction | 0 | 62,461 | 19 | 124,922 |
Tags: data structures, dp, implementation, two pointers
Correct Solution:
```
from bisect import bisect_left as lower_bound, bisect_right as upper_bound
from sys import stdin, stdout
from collections import defaultdict
N = 10**5 + 7
minn = [0 for _ in range(2*N)]
maxx = [0 for _ in range(2*N)]
def build(p, n):
f... | output | 1 | 62,461 | 19 | 124,923 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a non-empty consecutive segment of cards [l; r] (l... | instruction | 0 | 62,462 | 19 | 124,924 |
Tags: data structures, dp, implementation, two pointers
Correct Solution:
```
n = int(input())
l = list(map(int,input().split()))
ans = 0
s = set()
for i in l:
if i > 0:
s.add(i)
for i in s:
now = 0
for j in l:
if j > i:
now -= float("INF")
else:
now += ... | output | 1 | 62,462 | 19 | 124,925 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a non-empty consecutive segment of cards [l; r] (l... | instruction | 0 | 62,463 | 19 | 124,926 |
Tags: data structures, dp, implementation, two pointers
Correct Solution:
```
import sys
def I():
return sys.stdin.readline().rstrip()
def f(l, st, en):
m = -1
for i in range(st, en):
m = max(m, l[i])
if m <= 0:
return 0
s = 0
ms = 0
for i in range(st, en):
x = l[i]
... | output | 1 | 62,463 | 19 | 124,927 |
Provide tags and a correct Python 2 solution for this coding contest problem.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a non-empty consecutive segment of cards [l; r] (l... | instruction | 0 | 62,464 | 19 | 124,928 |
Tags: data structures, dp, implementation, two pointers
Correct Solution:
```
from sys import stdin, stdout
from collections import Counter, defaultdict
from itertools import permutations, combinations
from fractions import Fraction
raw_input = stdin.readline
pr = stdout.write
mod=10**9+7
def ni():
return int(raw_... | output | 1 | 62,464 | 19 | 124,929 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a n... | instruction | 0 | 62,465 | 19 | 124,930 |
Yes | output | 1 | 62,465 | 19 | 124,931 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a n... | instruction | 0 | 62,466 | 19 | 124,932 |
Yes | output | 1 | 62,466 | 19 | 124,933 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a n... | instruction | 0 | 62,467 | 19 | 124,934 |
Yes | output | 1 | 62,467 | 19 | 124,935 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a n... | instruction | 0 | 62,468 | 19 | 124,936 |
Yes | output | 1 | 62,468 | 19 | 124,937 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a n... | instruction | 0 | 62,469 | 19 | 124,938 |
No | output | 1 | 62,469 | 19 | 124,939 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a n... | instruction | 0 | 62,470 | 19 | 124,940 |
No | output | 1 | 62,470 | 19 | 124,941 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a n... | instruction | 0 | 62,471 | 19 | 124,942 |
No | output | 1 | 62,471 | 19 | 124,943 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a n... | instruction | 0 | 62,472 | 19 | 124,944 |
No | output | 1 | 62,472 | 19 | 124,945 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Sereja and Dima play a game. The rules of the game are very simple. The players have n cards in a row. Each card contains a number, all numbers on the cards are distinct. The players take turns, Sereja moves first. During his turn a player c... | instruction | 0 | 62,653 | 19 | 125,306 |
Tags: greedy, implementation, two pointers
Correct Solution:
```
n=int(input())
a=list(map(int,input().split()))
b=True
l=0
r=n-1
ans1=0
ans2=0
while l<=r:
if a[l]>a[r]:
if b:
ans1+=a[l]
b=False
else:
ans2+=a[l]
b=True
l+=1
else:
if... | output | 1 | 62,653 | 19 | 125,307 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Sereja and Dima play a game. The rules of the game are very simple. The players have n cards in a row. Each card contains a number, all numbers on the cards are distinct. The players take turns, Sereja moves first. During his turn a player c... | instruction | 0 | 62,654 | 19 | 125,308 |
Tags: greedy, implementation, two pointers
Correct Solution:
```
# import sys
# sys.stdin=open("input.in",'r')
# sys.stdout=open("outp.out",'w')
n=int(input())
a=list(map(int,input().split()))
i=0
s,d=0,0
while len(a):
x=max(a[0],a[len(a)-1])
s+=x
a.remove(x)
if len(a):
y=max(a[0],a[len(a)-1])
d+=y
a.remove... | output | 1 | 62,654 | 19 | 125,309 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Sereja and Dima play a game. The rules of the game are very simple. The players have n cards in a row. Each card contains a number, all numbers on the cards are distinct. The players take turns, Sereja moves first. During his turn a player c... | instruction | 0 | 62,655 | 19 | 125,310 |
Tags: greedy, implementation, two pointers
Correct Solution:
```
num = int(input())
cartas = list(map(int, input().split()))
sereja, dima = 0, 0
while len(cartas)>0:
if cartas[len(cartas)-1]>cartas[0]:
sereja+=cartas.pop()
if len(cartas)>0 and cartas[len(cartas)-1]>cartas[0]:
... | output | 1 | 62,655 | 19 | 125,311 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Sereja and Dima play a game. The rules of the game are very simple. The players have n cards in a row. Each card contains a number, all numbers on the cards are distinct. The players take turns, Sereja moves first. During his turn a player c... | instruction | 0 | 62,656 | 19 | 125,312 |
Tags: greedy, implementation, two pointers
Correct Solution:
```
n=int(input())
sereja=0
dima=0
a=list(map(int,input().split()))[:n]
for i in range(n):
b=max(a[0],a[-1])
if i%2==0:
sereja+=b
else:
dima+=b
a.remove(b)
print(sereja, dima)
``` | output | 1 | 62,656 | 19 | 125,313 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Sereja and Dima play a game. The rules of the game are very simple. The players have n cards in a row. Each card contains a number, all numbers on the cards are distinct. The players take turns, Sereja moves first. During his turn a player c... | instruction | 0 | 62,657 | 19 | 125,314 |
Tags: greedy, implementation, two pointers
Correct Solution:
```
t = int(input())
arr = list(map(int,input().split(' ')))
s,d = 0,0
i,j = 0,t-1
chance = 's'
while s+d!=sum(arr):
if chance == 's':
if max(arr[i],arr[j]) == arr[i]:
s = s + arr[i]
i += 1
elif max(arr[i],arr[j]) =... | output | 1 | 62,657 | 19 | 125,315 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Sereja and Dima play a game. The rules of the game are very simple. The players have n cards in a row. Each card contains a number, all numbers on the cards are distinct. The players take turns, Sereja moves first. During his turn a player c... | instruction | 0 | 62,658 | 19 | 125,316 |
Tags: greedy, implementation, two pointers
Correct Solution:
```
n=int(input())
a=list(map(int,input().split()))
s=0
d=0
while(len(a)>0):
m=max(a[0],a[len(a)-1])
s+=m
a.remove(m)
if len(a)>0:
l=max(a[0],a[len(a)-1])
d+=l
a.remove(l)
else:
break
print(s,d)
``` | output | 1 | 62,658 | 19 | 125,317 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Sereja and Dima play a game. The rules of the game are very simple. The players have n cards in a row. Each card contains a number, all numbers on the cards are distinct. The players take turns, Sereja moves first. During his turn a player c... | instruction | 0 | 62,659 | 19 | 125,318 |
Tags: greedy, implementation, two pointers
Correct Solution:
```
a=0
b=0
n=int(input())
crd=input().split(" ")
crd = [int(l) for l in crd]
x=0
while x<n:
x=x+1
if crd[0]>crd[-1]:
if x%2==0:
b=b+crd[0]
else:
a=a+crd[0]
del crd[0]
else:
if x%2==0:
... | output | 1 | 62,659 | 19 | 125,319 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Sereja and Dima play a game. The rules of the game are very simple. The players have n cards in a row. Each card contains a number, all numbers on the cards are distinct. The players take turns, Sereja moves first. During his turn a player c... | instruction | 0 | 62,660 | 19 | 125,320 |
Tags: greedy, implementation, two pointers
Correct Solution:
```
def mod():
n=int(input())
x=list(map(int,input().split()))
i=0
j=n-1
f=[]
s=[]
d=[]
while i<=j:
if x[i]>x[j]:
f.append(x[i])
i=i+1
else:
f.append(x[j])
j = j - 1
for k in range(len(f)):
if k%2==0:... | output | 1 | 62,660 | 19 | 125,321 |
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