QOJ.ac

QOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#368064	#6506. Chase Game 3	HuLiangyu^#	WA	17ms	3684kb	C++14	1.1kb	2024-03-26 19:31:58	2024-03-26 19:32:00

Judging History

你现在查看的是最新测评结果

[2024-03-26 19:32:00]
评测

测评结果：WA
用时：17ms
内存：3684kb

查看

[2024-03-26 19:31:58]
提交

answer

#include <iostream>

using namespace std;

const int N = 4e5+100;
int a[N], n;

void sol() {
    cin >> n;
    for (int i = 1; i <= n; ++i) {
        cin >> a[i];
    }
    int l = 1, r = n;
    int num = n;
    if (a[l] == 1) {
        int p = 2;
        while (l + 1 <= r && a[l + 1] == p) {
            l++;
            p++;
            num --;
        }
    } else if (a[l] == n) {
        int p = n - 1;
        while (l + 1 <= r && a[l + 1] == p) {
            l++;
            p--;
            num --;

        }
    }
    if (a[r] == n) {
        int p = n - 1;
        while (l <= r - 1 && a[r - 1] == p) {
            r--;
            p--;
            num --;

        }
    } else if (a[r] == 1) {
        int p = 2;
        while (l <= r - 1 && a[r - 1] == p) {
            r--;
            p++;
            num --;

        }
    }
    if (num > 3) {
        cout << "No\n";
    } else {
        cout << "Yes\n";
    }
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int T;
    cin >> T;
    while (T --) {
        sol();
    }
    return 0;
}

Source code, Language: C++14

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 0ms

memory: 3684kb

input:

5
2
1 2
3
2 3 1
4
1 4 3 2
5
1 5 2 3 4
6
1 2 3 4 5 6

output:

Yes
Yes
No
No
Yes

result:

ok 5 token(s): yes count is 3, no count is 2

Test #2:

score: 0

Accepted

time: 0ms

memory: 3632kb

input:

output:

Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes

result:

ok 8 token(s): yes count is 8, no count is 0

Test #3:

score: -100

Wrong Answer

time: 17ms

memory: 3644kb

input:

output:

No
No
No
No
Yes
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
No
Yes
No
Yes
Yes
No
No
No
No
No
Yes
No
No
Yes
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
Yes
Yes
No
Yes
No
Yes
Yes
No
No
No
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
No
Yes
No
Yes
No
Yes
No
No
No
Yes
No
No
No
No
N...

result:

wrong answer expected YES, found NO [1st token]