Submission #649639

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
6496392022-10-11 07:30:16KoalaMuchTeleporters (IOI08_teleporters)C++14
100 / 100
696 ms45408 KiB
#include<bits/stdc++.h>
using namespace std;
const int N = 1e6+5;
set<int> point;
int p[2*N];
int sz[2*N];
int mark[2*N];
pair<int,int> tele[N];
bool exist[2*N];
int nxt[2*N];
priority_queue<int> pq;
int fin(int i){
if(p[i]==i) return i;
return p[i] = fin(p[i]);
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int n,m,mn=1e9;
cin >> n >> m;
for(int i=0;i<n;i++){
cin >> tele[i].first >> tele[i].second;
mn = min(mn,tele[i].first);
exist[tele[i].first] = exist[tele[i].second] = true;
sz[tele[i].first] = sz[tele[i].second] = 1;
p[tele[i].first] = tele[i].first;
p[tele[i].second] = tele[i].second;
}
int prev = mn;
for(int i=mn+1;i<=2000000;i++){
 
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