Submission #299437

#	Time	Username	Problem	Language	Result	Execution time	Memory
299437		c4ts0up	Roller Coaster Railroad (IOI16_railroad)	C++17	11 / 100	2043 ms	6552 KiB

railroad

#include "railroad.h"
#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define ff first
#define ss second
typedef long long ll;
typedef long double ld;

const ll INF = 1e17;

ll n, d;

long long plan_roller_coaster(vector<int> s, vector<int> t) {
    n = s.size();

    vector <pair <ll,ll> > arr;
    arr.resize(n);
    for (int i=0; i<n; i++) arr[i] = {(ll)s[i], (ll)t[i]};

    sort(arr.begin(), arr.end());

    d = INF;

    do {

        ll vel = arr[0].ss, currd = 0;
        for (int i=1; i<n; i++) {
            currd += max(0LL, vel-arr[i].ff);
            vel = arr[i].ss;
        }
        d = min(currd, d);
    } while (next_permutation(arr.begin(), arr.end()));
    return d;
}

• Subtask 1: 11 / 11
• Subtask 2: 0 / 23
• Subtask 3: 0 / 30
• Subtask 4: 0 / 36