#include <bits/stdc++.h>
#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <iomanip>
#include "tickets.h"
using namespace std;
#define all(a) (a).begin(), (a).end()
#define sz(a) (int)(a).size()
#define ll long long
#define ld long double
#define ui uint64_t
#define cont(set, element) ((set).find(element) != (set).end())
/********* DEBUG *********/
template <typename T>
void outvec(const vector<T>& Z){
for (const T& x : Z)
cout << x << ' ';
cout << "\n";
}
void printVariable(const any& var) {
if (!var.has_value()) {
cout << "null";
return;
}
if (var.type() == typeid(int)) {
cout << any_cast<int>(var);
} else if (var.type() == typeid(double)) {
cout << any_cast<double>(var);
} else if (var.type() == typeid(float)) {
cout << any_cast<float>(var);
} else if (var.type() == typeid(char)) {
cout << any_cast<char>(var);
} else if (var.type() == typeid(bool)) {
cout << (any_cast<bool>(var) ? "true" : "false");
} else if (var.type() == typeid(string)) {
cout << any_cast<string>(var);
} else if (var.type() == typeid(const char*)) {
cout << any_cast<const char*>(var);
} else if (var.type() == typeid(long long)) {
cout << any_cast<long long>(var);
} else {
cout << "[unknown type]";
}
}
template<typename... Args>
void outval(Args... args) {
vector<any> variables = {args...};
for (size_t i = 0; i < variables.size(); ++i) {
printVariable(variables[i]);
if (i != variables.size() - 1) {
cout << " ";
}
}
cout << "\n";
}
#define nl "\n"
#define sp << " " <<
/********* DEBUG *********/
const ll MOD = 1000000007;
const ll inf = 1e18;
const ll mxN = 1000005;
ll find_maximum(int k, vector<vector<int>> x) {
int n = x.size();
int m = x[0].size();
vector<ll> takeright(n);
// [val = hi unused + hi used, idx]
priority_queue<pair<ll,ll>> pq;
for (int i = 0; i < n; i++){
pq.push({x[i][k-1] + x[i][n-1] , i});
}
ll rs = 0;
while (rs < n*k/2){
auto [val, idx] = pq.top(); pq.pop();
if (++takeright[idx] < k)
pq.push({x[idx][k-1-takeright[idx]] + x[idx][n-1-takeright[idx]], idx});
rs++;
}
vector<vector<int>> alloc(n, vector<int>(m, -1));
//outvec(takeright);
ll ans = 0, l = 0, r = 0, currl = 0, currr = 0;
for (int i = 0; i < n; i++){
ll cnt = 0;
for (int j = 0; j < k-takeright[i]; j++){
ans -= x[i][j];
alloc[i][j] = l;
if (++currl >= n/2)
l++, currl = 0;
}
for (int j = m-1; j >= m-takeright[i]; j--){
ans += x[i][j];
alloc[i][j] = r;
if (++currr >= n/2)
r++, currr = 0;
}
}
allocate_tickets(alloc);
return ans;
}
