Submission #959281

#	Time	Username	Problem	Language	Result	Execution time	Memory
959281		hyakup	Roller Coaster Railroad (IOI16_railroad)	C++17	11 / 100	2088 ms	8396 KiB

railroad

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

const ll inf = 1e18;

ll plan_roller_coaster( vector<int> s, vector<int> t) {
    int n = s.size();
    ll resp = inf;
    vector<int> p;
    for( int i = 0; i < n; i++ ) p.push_back(i);
    do{
      ll ans = 0;
      for( int i = 1; i < p.size(); i++ ) ans += max( (ll)t[p[i - 1]] - (ll)s[p[i]], 0LL );
      resp = min( resp, ans );
    }while( next_permutation(p.begin(), p.end()) );
    return resp;
}

Compilation message (stderr)

railroad.cpp: In function 'long long int plan_roller_coaster(std::vector<int>, std::vector<int>)':
railroad.cpp:15:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |       for( int i = 1; i < p.size(); i++ ) ans += max( (ll)t[p[i - 1]] - (ll)s[p[i]], 0LL );
      |                       ~~^~~~~~~~~~

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