Submission #115067

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
115067	2019-06-05 04:03:42	minhtung0404	One-Way Streets (CEOI17_oneway)	C++17	100 / 100	157 ms	25180 KiB

oneway

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//https://csacademy.com/contest/ceoi-2017-day-1/task/one-way-streets/statement/
#include<bits/stdc++.h>
const int N = 1e5 + 5;
using namespace std;
struct edge{
    int u, v, id;
    edge(int u, int v, int id) : u(u), v(v), id(id) {}
    edge() {}
};
vector <edge> mv;
typedef pair <int, int> ii;
vector <ii> G[N], G2[N];
int n, m, q, pset[N];
int num[N], low[N], cnt, d[N], ans[N];
bool visited[N];
ii p[N];
int Find(int i) {return ((pset[i] == i) ? i : pset[i] = Find(pset[i]));}
void dsu(int u, int v){
    u = Find(u); v = Find(v);
    if (u == v) return;
    pset[v] = u;
}
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40