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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#464996#8549. The Gameucup-team191#WA 2ms5680kbC++231.1kb2024-07-06 16:42:412024-07-06 16:42:41

Judging History

你现在查看的是最新测评结果

  • [2024-07-06 16:42:41]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:5680kb
  • [2024-07-06 16:42:41]
  • 提交

answer

#include <cstdio>

using namespace std;

const int N = 2e6 + 500;

int n, A[N], cnt[N], cnt2[N];

int solve() {
	scanf("%d", &n);
	for(int i = 0;i <= 2 * n;i++) cnt[i] = 0, cnt2[i] = 0;
	for(int i = 0;i < 2 * n;i++) {
		scanf("%d", A + i);
		cnt[A[i]]++;
	}
	bool ok = 1;
	for(int i = 0;i < n;i++)
		if(A[i] != A[2 * n - i - 1]) ok = 0;
	if(ok) {
		printf("Qingyu\n");
		return 0;
	}
	for(int i = 0;i <= 2 * n;i++) {
		if(cnt[i]) cnt2[cnt[i]]++;
	}
	int L = 0, R = 2 * n;
	for(int i = 0;i < n;i++) {
		while(!cnt2[L]) L++;
		while(!cnt2[R]) R--;
		cnt2[R]--;
		if(i == n - 1) break;
		if(R - 1) cnt2[R - 1]++;
		while(!cnt2[L]) L++;
		while(!cnt2[R]) R--;
		if(L == R && cnt2[L] == 1) {
			printf("Qingyu\n");
			return 0;
		}
		while(!cnt2[L]) L++;
		while(!cnt2[R]) R--;
		cnt2[L]--;
		if(L - 1) cnt2[--L]++;
		while(!cnt2[L]) L++;
		while(!cnt2[R]) R--;
		if(L == R && cnt2[L] == 1) {
			printf("Qingyu\n");
			return 0;
		}
	}
	printf("Kevin\n");
	return 0;
}

int main() {
	int T; scanf("%d", &T);
	for(;T--;) solve();
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 5680kb

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: 2ms
memory: 5664kb

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:

Qingyu
Qingyu
Kevin
Qingyu
Kevin
Kevin
Kevin
Qingyu
Qingyu
Kevin
Kevin
Kevin
Kevin
Qingyu
Kevin
Kevin
Kevin
Kevin
Kevin
Qingyu
Kevin
Kevin
Kevin
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 23rd words differ - expected: 'Qingyu', found: 'Kevin'