Submission #478546

#	Time	Username	Problem	Language	Result	Execution time	Memory
478546		khoabright	Carnival Tickets (IOI20_tickets)	C++17	Compilation error	0 ms	0 KiB

tickets

#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;

//#define int int64_t
#define ff first
#define ss second
#define pii pair<int, int>
#define all(x) x.begin(), x.end()
#define rep(i, a, b) for (int i = (int)a; i <= (int)b; ++i)
#define rep1(i, a, b) for (int i = (int)a; i >= (int)b; --i)
#define mp make_pair
#define vii vector<vector<int>>

const int N = 2e5 + 5;

//void allocate_tickets(vii a);

int64_t find_maximum(int k, vii a) {
    int n = a.size();
    vector<int> v(n);
    rep(i, 0, n - 1) v[i] = a[i][0];
    sort(all(v));
    int bound = v[n / 2];
    int64_t prize = 0;
    rep(i, 0, n - 1) prize += abs(v[i] - bound);
    rep(i, 0, n - 1) a[i][0] = 0;
    allocate_tickets(a);
    return prize;
}

Compilation message (stderr)

tickets.cpp:19:9: error: ambiguating new declaration of 'int64_t find_maximum(int, std::vector<std::vector<int> >)'
   19 | int64_t find_maximum(int k, vii a) {
      |         ^~~~~~~~~~~~
In file included from tickets.cpp:1:
tickets.h:3:11: note: old declaration 'long long int find_maximum(int, std::vector<std::vector<int> >)'
    3 | long long find_maximum(int k, std::vector<std::vector<int>> d);
      |           ^~~~~~~~~~~~