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QOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#793590	#8720. BFS 序 0	Kdlyh^#	WA	41ms	5516kb	C++20	889b	2024-11-29 21:25:12	2024-11-29 21:25:13

Judging History

你现在查看的是最新测评结果

[2024-11-29 21:25:13]
评测

测评结果：WA
用时：41ms
内存：5516kb

查看

[2024-11-29 21:25:12]
提交

answer

#include "bits/stdc++.h"

const int N = 300100;

int n, m;
int dep[N];

int len, seq[N];
bool exist[N];

int main() {
    scanf("%d", &n);

    for (int i = 2, x; i <= n; i ++) {
        scanf("%d", &x);
        dep[i] = dep[x] + 1;
    }
    
    scanf("%d", &m);
    
    while (m --) {
        scanf("%d", &len);
        int d = -1, flag = 1;
        for (int i = 1; i <= len; i ++) {
            scanf("%d", &seq[i]);
            if (exist[seq[i]]) flag = 0;
            else exist[seq[i]] = 1;
        }

        d = dep[seq[1]];
        for (int i = 2; i <= len; i ++)
            if (dep[seq[i]] >= d)
                d = dep[seq[i]];
            else
                flag = 0;

        for (int i = 1; i <= len; i ++)
            exist[seq[i]] = 0;

        if (flag)
            puts("Yes");
        else
            puts("No");
    }
}

Source code, Language: C++20

Details

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Test #1:

score: 100

Accepted

time: 0ms

memory: 3712kb

input:

6
1 1 3 2 4
10
4 3 6 2 5
1 4
3 2 4 5
5 2 5 4 6 3
3 1 4 2
3 5 6 3
5 4 5 2 6 1
4 4 3 2 5
4 4 6 2 3
3 3 2 6

output:

No
Yes
Yes
No
No
No
No
No
No
Yes

result:

ok 10 token(s): yes count is 3, no count is 7

Test #2:

score: -100

Wrong Answer

time: 41ms

memory: 5516kb

input:

300000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

output:

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

result:

wrong answer expected NO, found YES [87th token]