Submission #1318916

#	Time	Username	Problem	Language	Result	Execution time	Memory
1318916		dshfjka	Football (info1cup20_football)	C++20	100 / 100	20 ms	552 KiB

football

#include <bits/stdc++.h>
#define LL long long
using namespace std;
int main()
{
    LL tc;
    scanf("%lld",&tc);
    while(tc--)
    {
        LL n,k;
        scanf("%lld %lld",&n,&k);
        LL arr[n+5];
        for(LL a=1;a<=n;a++)
        {
            scanf("%lld",&arr[a]);
        }
        bool ans = 1;
        while(true){
            LL tot = 0;
            for(LL a=1;a<=n;a++){
                tot+=arr[a];
            }
            if(tot%2==1){
                ans = 1;
                break;
            }
            if(k==1){
                ans = 0;
                break;
            }
            if(tot == 0){
                ans = 0;
                break;
            }
            for(LL a=1;a<=n;a++){
                arr[a]/=2;
            }
            k/=2;
        }
        if(ans){
            printf("1");
        }
        else{
            printf("0");
        }
    }
    
}

Compilation message (stderr)

football.cpp: In function 'int main()':
football.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     scanf("%lld",&tc);
      |     ~~~~~^~~~~~~~~~~~
football.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |         scanf("%lld %lld",&n,&k);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~
football.cpp:15:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |             scanf("%lld",&arr[a]);
      |             ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 26 / 26
• Subtask 2: 8 / 8
• Subtask 3: 11 / 11
• Subtask 4: 8 / 8
• Subtask 5: 16 / 16
• Subtask 6: 16 / 16
• Subtask 7: 7 / 7
• Subtask 8: 8 / 8