이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define all(x) x.begin(), x.end()
#define mp make_pair
#define mt make_tuple
#define x first
#define y second
#include "tickets.h"
#include <vector>
ll find_maximum(int k, vector<vector<int>> x) {
int n = (int)x.size();
int m = (int)x[0].size();
assert(k == 1);
vector<vector<int>> answer(n, vector<int>(m, -1));
vector<int> ord(n);
iota(all(ord), 0);
sort(all(ord), [&](int i, int j) {
return x[i].front() + x[i].back() < x[j].front() + x[j].back();
});
ll sum = 0;
for (int i = 0; i < n / 2; ++i) {
sum -= x[ord[i]].front();
answer[ord[i]].front() = 0;
}
for (int i = n / 2; i < n; ++i) {
sum += x[ord[i]].back();
answer[ord[i]].back() = 0;
}
allocate_tickets(answer);
return sum;
}
#ifdef LC
#include "grader.cpp"
#endif
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