Submission #788929

#	Time	Username	Problem	Language	Result	Execution time	Memory
788929		LeaRouse	Football (info1cup20_football)	C++14	42 / 100	26 ms	1364 KiB

football

#include<bits/stdc++.h>
#define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie();
#define ll long long
using namespace std;
int A[100005];
int n,k;
int  awa(){
    ll a=0,s=0;
    for(int i=0;i<n;i++){
        cin>>A[i];
        s+=A[i];
        if(A[i]%2==1){
            a++;
        }
    }
    if(s%2==1)	return 1;
	if(k==1)	return 0;
    s-=a;
    s/=2;
    if(s%2==0)	return 0;
    else	return 1;

}

void go(){
    cin>>n>>k;
    if(k<=2){
        cout<<awa();
    }
    else{
		int res=0;
		for(int i=0;i<n;i++){    
		    cin>>A[i];
		    int a=0;
		    while(A[i]%2==0){
		        A[i]/=2;
		        a*=2;
		    }
		    if(k>=a)    res^=1;
		}
		cout<<res;
    }
}
 
int main(){
    fastio;
    int t;  cin>>t;
    while(t--){
        go();
    } 
    return 0;
}

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