이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "tickets.h"
#include <bits/stdc++.h>
#define rep(i, n) for(ll i = 0; i < ll(n); i++)
#define rep2(i, s, n) for(ll i = ll(s); i < ll(n); i++)
#define rrep(i, n) for(ll i = ll(n)-1; i >= 0; i--)
#define pb push_back
#define eb emplace_back
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
using namespace std;
using ll = long long;
using P = pair<int, int>;
using vi = vector<int>;
using vvi = vector<vi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vp = vector<P>;
using vvp = vector<vp>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vs = vector<string>;
const int inf = 1001001001;
const ll linf = 1001001001001001001;
template<class T>
bool chmin(T &a, T b) {
if (a > b) {
a = b;
return true;
}
return false;
}
template<class T>
bool chmax(T &a, T b) {
if (a < b) {
a = b;
return true;
}
return false;
}
ll find_maximum(int k, vvi x) {
int n = x.size();
int m = x[0].size();
ll ans = 0;
// 0 -> minus, 1 -> plus
vvi alloc(n, vi(m, -1));
if (k == m) {
vp ls;
rep(i, n) rep(j, m) ls.eb(x[i][j], i * m + j);
sort(all(ls));
rep(i, n * m / 2) {
ans -= ls[i].first;
int cl = ls[i].second / m;
int num = ls[i].second % m;
alloc[cl][num] = 0;
}
rep2(i, n * m / 2, n * m) {
ans += ls[i].first;
int cl = ls[i].second / m;
int num = ls[i].second % m;
alloc[cl][num] = 1;
}
} else {
assert(false);
}
// rep(i,n) rep(j,m) cerr << alloc[i][j] << (j == m-1 ? '\n' : ' ');
// cerr << endl;
auto proc = [&](int &i) {
int pi = i;
i = (i < k - 1 ? i + 1 : 0);
return pi;
};
int now = 0;
rep(i, n) {
int it = now;
rep(j, m) {
if (alloc[i][j] == -1) continue;
if (alloc[i][j] == 0) proc(now);
alloc[i][j] = proc(it);
}
}
assert(now == 0);
allocate_tickets(alloc);
return ans;
}
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