Submission #54938

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
54938	2018-07-05 13:37:51	Diuven	Pipes (CEOI15_pipes)	C++11	100 / 100	1523 ms	14072 KiB

pipes

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int MX=100010, inf=2e9;
int n, m;
int U[2][MX];
vector<int> G[MX];
int find(int t, int x){
    return x==U[t][x] ? x : U[t][x]=find(t,U[t][x]);
}
void unite(int t, int x, int y){
    if(find(t,x)==find(t,y)) return;
    U[t][U[t][y]]=U[t][x];
}
int up[MX], dep[MX], now;
void dfs(int v, int p){
    dep[v]=++now; up[v]=dep[v];
    bool multi=false;
    for(int x:G[v]){
        if(x==p){
            if(multi) up[v]=min(up[v], dep[p]);
            multi=true;
            continue;
        }
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10