QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #379741 | #8029. Traveling Merchant | comeintocalm# | WA | 52ms | 3772kb | C++17 | 1007b | 2024-04-06 18:43:37 | 2024-04-06 18:43:37 |
Judging History
answer
#include <bits/stdc++.h>
int main() {
// freopen("in", "r", stdin);
int ttt;
std::cin >> ttt;
while (ttt--) {
int n, m;
std::cin >> n >> m;
std::string cl;
std::cin >> cl;
std::vector<std::vector<int>> ver(n);
for (int i = 0; i < m; ++i) {
int u, v;
std::cin >> u >> v;
ver[u].emplace_back(v);
ver[v].emplace_back(u);
}
bool ans = false;
std::vector<bool> vis(n), used(n);
auto dfs = [&] (auto dfs, const int u) -> void {
vis[u] = true;
used[u] = true;
for (auto &v: ver[u]) {
if (cl[u] == cl[v] && vis[v]) {
ans = true;
}
if (cl[u] != cl[v] && !used[v]) {
dfs(dfs, v);
}
}
vis[u] = false;
};
dfs(dfs, 0);
std::cout << (ans ? "yes" : "no") << '\n';
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3772kb
input:
2 4 4 LHLH 0 1 1 2 1 3 2 3 3 3 LHH 0 1 0 2 1 2
output:
yes no
result:
ok 2 lines
Test #2:
score: -100
Wrong Answer
time: 52ms
memory: 3752kb
input:
12385 9 29 LHLLHLHLH 0 7 1 4 4 6 2 0 4 2 6 5 8 4 7 1 2 6 7 3 7 2 8 7 1 3 5 3 0 8 4 0 0 5 8 1 8 6 3 2 0 1 1 2 6 3 2 5 6 0 3 0 5 4 4 3 7 5 7 15 LLLLLHL 5 2 6 3 3 0 0 6 4 5 1 4 6 1 0 5 3 4 5 6 1 0 2 6 0 2 4 2 0 4 6 6 LHHHHH 5 0 0 4 2 5 1 4 1 3 3 4 9 8 LHLHLLHLL 5 7 5 4 7 4 7 8 1 5 0 1 1 8 1 2 5 4 LHHHH...
output:
yes yes no no no yes yes yes no yes yes no yes yes yes yes yes yes yes yes no no no yes no no yes yes no no yes no no yes yes yes yes yes yes no no yes yes yes yes yes yes yes yes yes yes yes yes yes yes no yes yes yes yes yes yes no yes yes no yes yes yes yes yes yes no no no yes yes yes no yes yes...
result:
wrong answer 568th lines differ - expected: 'yes', found: 'no'