Submission #365909

#	Time	Username	Problem	Language	Result	Execution time	Memory
365909		aihay	Football (info1cup20_football)	C++14	100 / 100	259 ms	1532 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[1000010];

in main()
{
	ios_base::sync_with_stdio(0);
    int tc=1;
    cin>>tc;
    while(tc--)
    {
        int n,k,sum;
        cin>>n>>k;
        for(int i=0;i<n;i++)
            cin>>arr[i];
        int 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){
                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: 16 / 16
• Subtask 7: 7 / 7
• Subtask 8: 8 / 8