Submission #1307703

#	Time	Username	Problem	Language	Result	Execution time	Memory
1307703		Leyna	Roller Coaster Railroad (IOI16_railroad)	C++20	0 / 100	2094 ms	7724 KiB

railroad

#include "railroad.h"
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

long long plan_roller_coaster(std::vector<int> s, std::vector<int> t) {
    int n = s.size();
    ll res = 1e17;
    vector<pair<ll, ll>> elements;
    for (int i=0; i<n; i++) elements.push_back({s[i], t[i]});

    do{
        ll speed = 1;
        ll part_res = 0;
        for (auto[start, end] : elements){
            part_res += max((ll)0, speed-start);
            speed = end;
        }
        res = min(res, part_res);
    } while(next_permutation(elements.begin(), elements.end()));
    
    return res;
}

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