Submission #1136956

#	Time	Username	Problem	Language	Result	Execution time	Memory
1136956		owoovo	Roller Coaster Railroad (IOI16_railroad)	C++20	0 / 100	157 ms	19116 KiB

railroad

#include "railroad.h"
#include<bits/stdc++.h>
#define ll long long
#define F first 
#define S second 
using namespace std;
const ll maxn=1e18;
long long plan_roller_coaster(vector<int> s, vector<int> t) {
    int n = (int) s.size();
    ll ans=0;
    vector<pair<ll,ll>> vc;
    multiset<pair<ll,ll>> ms;
    for(int i=0;i<n;i++){
        vc.push_back({t[i],s[i]});
    }
    sort(vc.begin(),vc.end());
    reverse(vc.begin(),vc.end());
    for(int i=1;i<n;i++){
        ms.insert(vc[i]);
    }
    ll now=vc[0].S;
    while(ms.size()){
        auto x=ms.upper_bound({now,maxn});
        if(x==ms.begin())return 1;
        auto use=x;
        use--;
        now=(*use).S;
        ms.erase(use);
    }


    return 0;
}

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: 0 / 11
• Subtask 2: 0 / 23
• Subtask 3: 0 / 30
• Subtask 4: 0 / 36