제출 #365883

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
365883		aihay	Football (info1cup20_football)	C++14	69 / 100	263 ms	492 KiB

football

#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize("-Ofast")
#include <bits/stdc++.h>
using namespace std;

typedef int in;
#define f first
#define s second
#define pb push_back
#define pp push
#define ceil(x) NEVER USE CEIL
#define sqrt(x) (int)(sqrt(x))

int arr[100010];

in main()
{
	ios_base::sync_with_stdio(0);
    int tc=1;
    cin>>tc;
    while(tc--)
    {
        int n,k,sum=0;
        cin>>n>>k;
        if(k==1){
            for(int i=0;i<n;i++){
                int x;
                cin>>x;
                sum+=x;
            }
            cout<<(sum%2?1:0);
        }
        else if(n==1){
            for(int i=0;i<n;i++){
                int x;
                cin>>x;
                sum+=x;
            }
            int y=1;
            while(sum%2==0){
                sum/=2;
                y*=2;
            }
            cout<<(k>=y?1:0);
        }
        else{
            for(int i=0;i<n;i++)
                cin>>arr[i];
            bool ans=0;
            for(int i=0;(1<<i)<=k;i++){
                sum=0;
                for(int j=0;j<n;j++)
                    sum+=arr[j];
                if(sum%2==1){
                    ans=1;
                    break;
                }
                for(int j=0;j<n;j++)
                    arr[j]/=2;
            }
            cout<<ans;
        }
    }
    return 0;
}

• Subtask 1: 26 / 26
• Subtask 2: 8 / 8
• Subtask 3: 11 / 11
• Subtask 4: 8 / 8
• Subtask 5: 16 / 16
• Subtask 6: 0 / 16
• Subtask 7: 0 / 7
• Subtask 8: 0 / 8