제출 #622862

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
6228622022-08-04 17:12:17leakedRoller Coaster Railroad (IOI16_railroad)C++17
0 / 100
1090 ms73704 KiB
#include <bits/stdc++.h>
#include "railroad.h"
#define f first
#define s second
#define vec vector
#define pb push_back
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
#define pw(x) (1LL<<(x))
#define sz(x) (int)(x).size()
#define m_p make_pair
#define fast_ioi ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
template<class T> bool umin(T &a,const T &b){return (a>b?a=b,1:0);}
template<class T> bool umax(T &a,const T &b){return (a<b?a=b,1:0);}
const int N=4e5+4;
int p[N];
void make(int v){
p[v]=v;
}
int get(int v){
return p[v]=(p[v]==v?v:get(p[v]));
 
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