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ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#369105	#6506. Chase Game 3	bigJ	WA	22ms	3600kb	C++20	1.1kb	2024-03-27 20:38:05	2024-03-27 20:38:14

Judging History

你现在查看的是最新测评结果

[2024-03-27 20:38:14]
评测

测评结果：WA
用时：22ms
内存：3600kb

查看

[2024-03-27 20:38:05]
提交

answer

#include <bits/stdc++.h>

using i64 = int64_t;

namespace stdr = std::ranges;
namespace stdv = std::views;

void solve() {
    int n;
    std::cin >> n;

    std::vector<int> p(n);
    std::vector<int> nxt(n, -1);
    for (int i = 0; i < n; i++) {
        std::cin >> p[i];
        p[i]--;
    }
    for (int i = 0; i + 1 < n; i++) {
        nxt[p[i]] = p[i + 1];
    }

    for (int i = 0; i + 1 < n; i++) {
        if (std::abs(p[i] - p[i + 1]) >= 3) {
            std::cout << "No\n";
            return;
        }
    }

    std::vector<bool> vis(n);
    for (int i = 0; i < n; i++) {
        if (vis[i]) {
            continue;
        }
        int p = i;
        int cnt = 0;
        while (p != -1 && !vis[p]) {
            vis[p] = true;
            p = nxt[p];
            cnt++;
        }
        if (p != -1 && cnt >= 4) {
            std::cout << "No\n";
            return;
        }
    }

    std::cout << "Yes\n";
}

int main() {
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);

    int t;
    std::cin >> t;

    while (t--) {
        solve();
    }

    return 0;
}

Source code, Language: C++20

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 0ms

memory: 3576kb

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: 3580kb

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: 22ms

memory: 3600kb

input:

output:

No
No
No
Yes
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
No
No
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
No
Yes
No
No
Yes
No
No
No
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
No
Yes
No
Yes
No
Yes
Yes
No
...

result:

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