Submission #1091509

#	Time	Username	Problem	Language	Result	Execution time	Memory
1091509		efishel	Carnival Tickets (IOI20_tickets)	C++17	11 / 100	1 ms	604 KiB

tickets

#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vll = vector <ll>;
using ii = pair <ll, ll>;
using vii = vector <ii>;
using vi = vector <int>;
using vvi = vector <vi>;

ll find_maximum (int k, vvi x) {
    ll n = x.size();
    int m = x[0].size();
    vll th;
    for (ll i = 0; i < n; i++) th.push_back(x[i][0]);
    sort(th.begin(), th.end());
    allocate_tickets(vvi(n, vi{ 0 }));
    ll ans = 0;
    for (ll i = 0; i < n/2; i++) ans -= th[i];
    for (ll i = n/2; i < n; i++) ans += th[i];
    return ans;
}

Compilation message (stderr)

tickets.cpp: In function 'll find_maximum(int, vvi)':
tickets.cpp:13:9: warning: unused variable 'm' [-Wunused-variable]
   13 |     int m = x[0].size();
      |         ^

• Subtask 1: 11 / 11
• Subtask 2: 0 / 16
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 12
• Subtask 6: 0 / 23
• Subtask 7: 0 / 10