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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#449162#8549. The GameukukWA 5ms3820kbC++141.4kb2024-06-20 19:18:472024-06-20 19:18:47

Judging History

你现在查看的是最新测评结果

  • [2024-06-20 19:18:47]
  • 评测
  • 测评结果:WA
  • 用时:5ms
  • 内存:3820kb
  • [2024-06-20 19:18:47]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define i64 long long
#define LL long long
#define i128 __int128
#define ull unsigned long long
#define db long double 
#define PII pair<int,int>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define all(x) x.begin(),x.end()
#define lowbit(x) ((x)&-(x))
#define debug(x) cout<<(#x)<<" = "<<(x)<<'\n'

const double eps=1e-8;
const int mod=1e9+7;
//const int mod=998244353;
const int inf=1e9+7;
const i64 INF=1e9+7;
const int N=1e5+5;
const int M=1e6+5;

//const int g=3;
//const int gi=332748118;

LL qmi(LL a,int b){
	a=(a%mod+mod)%mod;
	LL ret=1;
	for(;b;b>>=1,a=a*a%mod)if(b&1)ret=ret*a%mod;
	return ret;
}
int Sqrt(int x){
	assert(x>=0);
	int t=sqrt(x);
	while((t+1)*(t+1)<=x)t++;
	while(t*t>x)t--;
	return t;
}



int n;
int m;
int a[N],b[N];

inline void solve(){
	cin>>n;
	map<int,int>cnt;
	for(int i=0;i<n*2;i++){
		int x;cin>>x;
		a[i]=x;
		cnt[x]++;
	}
	int ok=0;
	for(int i=0;i<n;i++){
		if(a[i]!=a[n*2-i-1]){
			ok=1;break;
		}
	}
	if(!ok){
		cout<<"Qingyu\n";
		return;
	}
	int c=0;
	for(auto t:cnt){
//		debug(t.fi);
//		debug(t.se);
		c+=t.se==1;
	}
//	debug(c);
	if(c*2<=n)cout<<"Qingyu\n";
	else cout<<"Kevin\n";
}
signed main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	
	int _=1;
	cin>>_;
	while(_--)solve();
	return 0;
}
/*

*/

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 3820kb

input:

3
3
1 1 4 5 1 4
2
1 2 3 4
4
1 2 2 3 2 1 1 4

output:

Qingyu
Kevin
Qingyu

result:

ok 3 tokens

Test #2:

score: -100
Wrong Answer
time: 5ms
memory: 3564kb

input:

10000
3
5 5 3 5 4 5
3
1 4 3 1 1 3
3
1 6 3 3 4 4
3
3 4 1 3 1 1
3
5 6 6 3 1 3
3
4 5 1 5 6 5
3
6 2 4 4 6 1
3
4 6 4 4 2 4
3
6 4 1 6 4 6
3
2 4 6 4 2 3
3
2 4 1 5 5 4
3
1 3 6 5 1 1
3
3 2 1 5 3 1
3
6 6 6 2 2 5
3
1 5 2 5 3 3
3
1 3 3 5 4 5
3
1 3 4 2 4 5
3
3 5 6 2 2 2
3
4 3 3 1 2 6
3
3 3 3 3 6 3
3
4 1 3 6 6 4
...

output:

Kevin
Qingyu
Kevin
Qingyu
Kevin
Kevin
Kevin
Kevin
Qingyu
Kevin
Kevin
Kevin
Kevin
Qingyu
Kevin
Kevin
Kevin
Kevin
Kevin
Qingyu
Kevin
Kevin
Qingyu
Kevin
Kevin
Kevin
Qingyu
Kevin
Kevin
Kevin
Qingyu
Kevin
Kevin
Kevin
Kevin
Kevin
Qingyu
Kevin
Kevin
Kevin
Kevin
Kevin
Qingyu
Kevin
Kevin
Kevin
Qingyu
Qingyu
...

result:

wrong answer 1st words differ - expected: 'Qingyu', found: 'Kevin'