Submission #865045

#	Time	Username	Problem	Language	Result	Execution time	Memory
865045		Darren0724	Football (info1cup20_football)	C++17	100 / 100	190 ms	756 KiB

football

#include<bits/stdc++.h>
using namespace std;


int main(){
    int t;cin>>t;
    while(t--){
        int n,k,a[30]{};cin>>n>>k;
        while(n--){
            int p;cin>>p;
            for(int j=0;j<30;j++){
                a[j]^=(p/(1<<j)&1);
            }
        }
        int b=0;
        for(int j=0;j<30;j++){
            if((1<<j)<=k){
                b|=a[j];
            }
        }
        cout<<b;
    } 

    
}

• 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