제출 #448059

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
448059	2021-07-28 16:54:02	mosiashvililuka	Teleporters (IOI08_teleporters)	C++14	75 / 100	556 ms	65536 KiB

teleporters

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#include<bits/stdc++.h>
using namespace std;
const int N=2000009;
int a,b,c,d,e,i,j,ii,jj,zx,xc,pi,fx[N],f[N],pas,bo[N],zm[N],li;
pair <int, int> P[N],p[N];
int l[N];
int main(){
  ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
  cin>>a>>b;
  for(i=1; i<=a; i++){
    cin>>P[i].first>>P[i].second;
    pi++;p[pi].first=P[i].first;p[pi].second=P[i].second;
    pi++;p[pi].first=P[i].second;p[pi].second=P[i].first;
  }
  sort(p+1,p+pi+1);
  zx=1;
  fx[0]=zx;
  for(i=1; i<=pi; i++){
    zx++;
    fx[p[i].first]=zx;
  }
  for(i=1; i<=pi; i++){
    f[i]=fx[p[i].second];
  }
  pas=0;
  for(i=1; i<=pi; i++){
    if(bo[i]!=0) continue;
    c=i;
    while(bo[c]==0&&c!=0){
      bo[c]=1;c=f[c];zm[i]++;
 
 
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