Submission #349298

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
349298	2021-01-17 11:11:07	doowey	One-Way Streets (CEOI17_oneway)	C++14	100 / 100	102 ms	17244 KiB

oneway

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
const int N = (int)1e5 + 10;
vector<pii> T[N];
int tin[N];
int tout[N];
int low[N];
int u[N], v[N];
bool bridge[N];
int ti;
bool use[N];
void dfs(int u, int pp){
    ti++;
    tin[u]=ti;
    low[u]=tin[u];
    for(auto x : T[u]){
        if(tin[x.fi] == 0){
            dfs(x.fi,x.se);
            use[x.se]=true;
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40