Submission #1137189

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1137189	2025-01-19 08:46:53	owoovo	Roller Coaster Railroad (IOI16_railroad)	C++20	100 / 100	192 ms	20680 KiB

railroad

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#include "railroad.h"
#include<bits/stdc++.h>
#define ll long long 
#define F first
#define S second 
using namespace std;
const int maxn=1e9+10;
int dsu[4000010];
vector<int> s,t;
int f(int a){
    if(dsu[a]==a)return a;
    dsu[a]=f(dsu[a]);
    return dsu[a];
}
bool onion(int a,int b){
    a=f(a);
    b=f(b);
    if(a==b)return 0;
    dsu[a]=b;
    return 1;
}
ll plan_roller_coaster(vector<int> S, vector<int> T) {
    int n = (int) S.size();
    ll ans=0;
    s=S,t=T;
    vector<int> use;
    s.push_back(maxn);
    t.push_back(0);
    for(int i=0;i<=n;i++){
        use.push_back(t[i]);
 
 
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Compilation message (stderr)

railroad.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
railroad_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

• Subtask 1: 11 / 11
• Subtask 2: 23 / 23
• Subtask 3: 30 / 30
• Subtask 4: 36 / 36