Submission #116083

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
116083	2019-06-10 12:35:32	Meloric	One-Way Streets (CEOI17_oneway)	C++14	100 / 100	233 ms	15860 KiB

oneway

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#include <bits/stdc++.h>
#define pb push_back
#define X first
#define Y second
#define pii pair<int, int>
using namespace std;
vector<vector<int>> g;
struct edge{
    int u, v;
    char dir;
};
vector<edge> ed;
vector<int> tin, low, val, vis;
int n, m, counter;
void dfs(int v, int p){
    tin[v] = low[v] = counter;
    counter++;
    vis[v] = 1;
    for(auto ch : g[v]){
        if(ch == p)continue;
        int nx = (v==ed[ch].u) ? ed[ch].v : ed[ch].u;
        if(vis[nx]){
            low[v] = min(low[v], tin[nx]);
            continue;
        }
        dfs(nx, ch);
        low[v] = min(low[v], low[nx]);
        pii cor;
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40