Submission #904032

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
904032	2024-01-11 18:05:45	Dec0Dedd	One-Way Streets (CEOI17_oneway)	C++14	0 / 100	6 ms	20700 KiB

oneway

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int N = 1e5+10;
const int K = 20;
vector<int> G[N];
set<int> T[N];
int n, m, p, x[N], y[N], a[N], b[N], tin[N], tout[N], low[N], rt[N], t;
pii prf[N];
int up[K][N];
bool vis[N];
map<pii, bool> brg;
map<pii, int> eds;
vector<int> vcs[N];
void brd(int v, int p) {
    vis[v]=true;
    tin[v]=low[v]=t++;
    for (auto u : G[v]) {
        if (u == p) continue;
        if (vis[u]) low[v]=min(low[v], tin[u]);
        else {
            brd(u, v);
            low[v]=min(low[v], low[u]);
 
 
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• Subtask 2: 0 / 30
• Subtask 3: 0 / 40