Submission #591546

#	Time	Username	Problem	Language	Result	Execution time	Memory
591546		AlperenT	Roller Coaster Railroad (IOI16_railroad)	C++17	34 / 100	60 ms	8492 KiB

railroad

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

using namespace std;

const long long INF = 2e18;

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

    if(n <= 16){
        long long dist[1 << n][n];

        for(int m = 0; m < (1 << n); m++) fill(dist[m], dist[m] + n, INF);

        for(int i = 0; i < n; i++) dist[1 << i][i] = 0;

        for(int m = 1; m < (1 << n); m++){
            for(int i = 0; i < n; i++){
                for(int j = 0; j < n; j++){
                    if(!(m & (1 << j))){
                        dist[m | (1 << j)][j] = min(dist[m | (1 << j)][j], dist[m][i] + max(0, t[i] - s[j]));
                    }
                }
            }
        }

        return *min_element(dist[(1 << n) - 1], dist[(1 << n) - 1] + n);
    }

    return 0;
}

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