제출 #769115

#제출 시각아이디문제언어결과실행 시간메모리
769115t6twotwo카니발 티켓 (IOI20_tickets)C++17
11 / 100
1 ms596 KiB
#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
ll find_maximum(int K, vector<vector<int>> x) {
    int N = x.size();
    int M = x[0].size();
    allocate_tickets(vector(N, vector{0}));
    vector<int> v(N);
    for (int i = 0; i < N; i++) {
        v[i] = x[i][0];
    }
    sort(v.begin(), v.end());
    ll s = 0;
    for (int i = 0; i < N; i++) {
        s += abs(v[N / 2] - v[i]);
    }
    return s;
}

컴파일 시 표준 에러 (stderr) 메시지

tickets.cpp: In function 'll find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:7:9: warning: unused variable 'M' [-Wunused-variable]
    7 |     int M = x[0].size();
      |         ^
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