Submission #1070346

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1070346	2024-08-22 13:29:34	amirhoseinfar1385	Roller Coaster Railroad (IOI16_railroad)	C++17	30 / 100	136 ms	25304 KiB

railroad

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#include "railroad.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn=600000+10;
vector<int>allind;
int n,vorod[maxn],khoroj[maxn],inf=1e9+5;
struct dsu{
    int par[maxn];
    dsu(){
        for(int i=0;i<maxn;i++){
            par[i]=i;
        }
    }
    int root(int u){
        if(u==par[u]){
            return u;
        }
        return par[u]=root(par[u]);
    }
    int con(int u,int v){
        u=root(u);v=root(v);
        if(u==v){
            return 0;
        }
        par[u]=v;
        return 1;
    }
}ds,ds2;
 
 
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• Subtask 1: 0 / 11
• Subtask 2: 0 / 23
• Subtask 3: 30 / 30
• Subtask 4: 0 / 36