Submission #365866

#	Time	Username	Problem	Language	Result	Execution time	Memory
365866		aihay	Football (info1cup20_football)	C++14	50 / 100	245 ms	644 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))



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 if(k==2){
            int e=0,o=0;
            for(int i=0;i<n;i++){
                int x;
                cin>>x;
                sum+=x;
                if(x%2)
                    o++;
                else
                    e++;
            }
            if(sum%2){
                cout<<1;
            }
            else if(e%2==0){
                cout<<0;
            }
            else{
                cout<<1;
            }
        }
    }
    return 0;
}

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