Submission #603130

#	Time	Username	Problem	Language	Result	Execution time	Memory
603130		Jarif_Rahman	Carnival Tickets (IOI20_tickets)	C++17	11 / 100	1 ms	596 KiB

tickets

#include "tickets.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

ll find_maximum(int k, vector<vector<int>> v){
    int n = v.size(), m = v[0].size();
    vector<vector<int>> rt(n, {0});

    allocate_tickets(rt);

    ll ans = 0;
    sort(v.begin(), v.end());
    for(int i = 0; i < n/2; i++) ans-=v[i][0];
    for(int i = n/2; i < n; i++) ans+=v[i][0];

    return ans;
}

Compilation message (stderr)

tickets.cpp: In function 'll find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:11:23: warning: unused variable 'm' [-Wunused-variable]
   11 |     int n = v.size(), m = v[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