Submission #789785

#	Time	Username	Problem	Language	Result	Execution time	Memory
789785		Minindu206	Roller Coaster Railroad (IOI16_railroad)	C++14	11 / 100	2067 ms	4172 KiB

railroad

#include "railroad.h"
#include<bits/stdc++.h>
using namespace std;
long long plan_roller_coaster(std::vector<int> s, std::vector<int> t) {
    int n = s.size();
    long long ans = LLONG_MAX;
    vector<int> perm(s);
    iota(perm.begin(), perm.end(), 0);
    do
    {
        long long cur = 0LL;
        int st = t[perm[0]];
        // for(int i=0;i<n;i++)
        //     cout << perm[i] << " ";
        // cout << '\n';
        for(int i=1;i<n;i++)
        {
            int dis = t[perm[i - 1]] - s[perm[i]];
            cur += (dis > 0 ? dis : 0);
            // cout << (dis > 0 ? dis : 0) << " ";
        }
        // cout << '\n';
        ans = min(ans, cur);
    } while (next_permutation(perm.begin(), perm.end()));
    return ans;
}

Compilation message (stderr)

railroad.cpp: In function 'long long int plan_roller_coaster(std::vector<int>, std::vector<int>)':
railroad.cpp:12:13: warning: unused variable 'st' [-Wunused-variable]
   12 |         int st = t[perm[0]];
      |             ^~

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