제출 #349400

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
349400		Sho10	Football (info1cup20_football)	C++17	50 / 100	38 ms	2412 KiB

football

#include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho10
#define ll long long 
#define double long double
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define aint(a) (a).begin(), (a).end()
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define pi pair
#define rc(s) return cout<<s,0
#define endl '\n'
#define mod 1000000007
#define PI 3.14159265359
#define MAXN 100005
#define INF 1000000005
#define LINF 1000000000000000005ll
#define CODE_START  ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
ll t,n,k,a[100005];
int32_t main(){
CODE_START;
cin>>t;
while(t--){
	cin>>n>>k;
	ll sum=0;
	for(ll i=1;i<=n;i++)
	{
		cin>>a[i];
		sum+=a[i];
	}
	if(n==1){
		while(k!=1&&a[1]%2==0){
			k/=2;
			a[1]/=2;
		}
		if(k==1){
			if(a[1]%2==1){
				cout<<"Yes"<<endl;
			}else cout<<"No"<<endl;
		}else cout<<"Yes"<<endl;
	continue;
}
	sort(a+1,a+n+1);
if(sum%2==1){
	cout<<"1";
	continue;
}
if(sum%2==0&&k==1){
	cout<<"0";
	continue;
}
ll ans=0;
for(ll i=1;i<=n;i++)
{
	ans+=a[i]/2;
	a[i]=a[i]%2;
}
ll cnt=0;
for(ll i=1;i<=n;i++)
{
	if(a[i]==1){
		cnt++;
	}
}
if(ans%2==1&&cnt%2==0){
	cout<<"1";
	continue;
}
if(ans%2==0&&cnt%2==1){
	cout<<"1";
	continue;
}
cout<<"0";
}
}

• Subtask 1: 26 / 26
• Subtask 2: 8 / 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