Submission #99977

#	Time	Username	Problem	Language	Result	Execution time	Memory
99977		tqbfjotld	Roller Coaster Railroad (IOI16_railroad)	C++14	11 / 100	77 ms	3472 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 = (int) s.size();
    if (n<=8){
        vector<int> v;
        for (int x = 0; x<n; x++){
            v.push_back(x);

        }
        long long ans = 999999999999999;
        long long curans = 0;
        for (int x = 1; x<n; x++){
            curans+=(t[x-1]>s[x])?(t[x-1]-s[x]):0;
        }
        ans = min(curans,ans);
        while (next_permutation(v.begin(),v.end())){
            long long curans = 0;
            for (int x = 1; x<n; x++){
                curans+=(t[v[x-1]]>s[v[x]])?(t[v[x-1]]-s[v[x]]):0;
            }
            ans = min(curans,ans);
        }
        return ans;
    }
    return 0;
}

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