제출 #304518

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
304518		SorahISA	카니발 티켓 (IOI20_tickets)	C++17	컴파일 에러	0 ms	0 KiB

tickets

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

using pii = pair<int, int>;
template<typename T>
using Prior = priority_queue<T>;
template<typename T>
using prior = priority_queue<T, vector<T>, greater<T>>;

#define X first
#define Y second
#define ALL(x) (x).begin(), (x).end()
#define eb emplace_back
#define pb push_back

int64_t find_maximum(int k, vector<vector<int>> v) {
    int n = v.size(), m = v[0].size();
    int64_t sum = 0;
    vector<vector<int>> ans(n, vector<int>(m, -1));
    
    vector<int> cnt;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < k; j++) {
            ans[i][j] = j;
            cnt.eb(v[i][j]);
        }
    }
    sort(ALL(cnt));
    
    for (auto x : cnt) sum += abs(x - cnt[n/2]);
    
    allocate_tickets(ans);
    return sum;
}

컴파일 시 표준 에러 (stderr) 메시지

tickets.cpp:17:9: error: ambiguating new declaration of 'int64_t find_maximum(int, std::vector<std::vector<int> >)'
   17 | int64_t find_maximum(int k, vector<vector<int>> v) {
      |         ^~~~~~~~~~~~
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);
      |           ^~~~~~~~~~~~