Submission #429057

#	Time	Username	Problem	Language	Result	Execution time	Memory
429057		LouayFarah	Roller Coaster Railroad (IOI16_railroad)	C++14	11 / 100	2074 ms	7988 KiB

railroad

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

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

    if(n<=16)
    {
        vector<int> pos(n);
        for(int i = 0; i<n; i++)
            pos[i] = i;

        long long res = 1e18;
        do
        {
            int speed = 1;
            long long curr = 0;
            for(int i = 0; i<n; i++)
            {
                if(speed>s[pos[i]])
                    curr+=speed-s[pos[i]];
                speed = t[pos[i]];
            }
            res = min(res, curr);
        }while(next_permutation(pos.begin(), pos.end()));
        return res;
    }

    
}

Compilation message (stderr)

railroad.cpp: In function 'long long int plan_roller_coaster(std::vector<int>, std::vector<int>)':
railroad.cpp:32:1: warning: control reaches end of non-void function [-Wreturn-type]
   32 | }
      | ^

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