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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
#602588	#8720. BFS 序 0	UESTC_OldEastWest^#	WA	46ms	16712kb	C++17	969b	2024-10-01 10:58:26	2024-10-01 10:58:27

Judging History

你现在查看的是最新测评结果

[2024-10-01 10:58:27]
评测

测评结果：WA
用时：46ms
内存：16712kb

查看

[2024-10-01 10:58:26]
提交

answer

#include <bits/stdc++.h>

void charming() {
  int n; std::cin >> n;
  std::vector<int> fa(n), dep(n);
  std::vector<std::vector<int> > G(n);
  for (int i = 1; i < n; ++i) {
    std::cin >> fa[i], --fa[i];
    G[fa[i]].emplace_back(i);
  }

  std::vector<int> que(1, 0);
  for (int i = 0, u; i < n; ++i) {
    u = que[i];
    for (int v : G[u]) {
      que.emplace_back(v);
      dep[v] = dep[u] + 1;
    }
  }

  int q; std::cin >> q;
  for (int i = 0, m; i < q; ++i) {
    std::cin >> m;
    std::vector<int> vec(m);
    for (int j = 0; j < m; ++j) std::cin >> vec[j], --vec[j];
    bool ok = true;
    for (int j = 1; j < m; ++j) {
      if (dep[vec[j]] < dep[vec[j - 1]]) {
        ok = false;
        break;
      }
    }
    if (ok) std::cout << "Yes\n";
    else std::cout << "No\n";
  }
}

signed main() {
  std::ios_base::sync_with_stdio(false);
  std::cin.tie(NULL);
  std::cout.tie(NULL);
  charming();
  return 0;
}

源文件, 语言: C++17

詳細信息

Test #1:

score: 100

Accepted

time: 0ms

memory: 3612kb

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: 46ms

memory: 16712kb

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:

Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
...

result:

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