제출 #525623

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
525623		ammar2000	Football (info1cup20_football)	C++17	100 / 100	44 ms	2056 KiB

football

#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define F first
#define S second
#define coy cout<<"YES\n"
#define con cout<<"NO\n"
#define co1 cout<<"-1\n"
#define sc(x) scanf("%lld",&x)
#define all(x) x.begin(),x.end()
#define fast ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
using namespace std;
const int SI=3e5+7;
ll INF=8e18+7;
int MOD=1e9+7;
int dx[] = {1 , -1 , 0 , 0};
int dy[] = {0 , 0 , 1 , -1};
int T=1;
ll n,a[SI],k,s;
void solver()
{
    s=0;
    ll o=0;
    cin>>n>>k;
    for (int i=0;i<n;i++)
        cin>>a[i];
    while (k>0)
    {
        s=0;
        for (int i=0;i<n;i++)
            s+=a[i],a[i]/=2;
        if (s%2)
        {
            cout <<1;
            return ;
        }
        k/=2;
    }
    cout << 0;
    //use scanf not cin
}
int main()
{
   fast
   cin>>T;
   while (T--)
     solver();
   return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

football.cpp: In function 'void solver()':
football.cpp:23:8: warning: unused variable 'o' [-Wunused-variable]
   23 |     ll o=0;
      |        ^

• 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