#include <bits/stdc++.h>
#include "tickets.h"
//#include "grader.cpp"
using namespace std;
#define int long long
#define show(x,y) cout << y << " " << #x << endl;
#define show2(x,y,i,j) cout << y << " " << #x << " " << j << " " << #i << endl;
#define show3(x,y,i,j,p,q) cout << y << " " << #x << " " << j << " " << #i << " " << q << " " << #p << endl;
#define show4(x,y) for(auto it:y) cout << it << " "; cout << #x << endl;
typedef pair<long long,long long>pii;
typedef pair<long long,pii>pi2;
//allocate_tickets(vector<vector<int>>)
long long find_maximum(int32_t k, vector<vector<int32_t>>arr){
int n=arr.size();
int m=arr[0].size();
vector<pi2>v;
for(int x=0;x<n;x++){
for(int y=0;y<m;y++){
v.push_back({arr[x][y],{x,y}});
}
}
sort(v.begin(),v.end());
int counter=0;
for(int x=0;x<n*m/2;x++){
counter+=abs(v[x].first-v[n*m-1-x].first);
}
int cnt[n+5];
memset(cnt,0,sizeof(cnt));
vector<pi2>storage[n+5];
vector<pi2>storage2[n+5];
for(int x=0;x<n*m/2;x++){
cnt[v[x].second.first]++;
storage[v[x].second.first].push_back(v[x]);
storage2[v[x+n*m/2].second.first].push_back(v[x+n*m/2]);
}
priority_queue<pii>pq;
for(int x=0;x<n;x++){
pq.push({cnt[x],x});
}
vector<vector<int32_t>>ans;
ans.resize(n);
for(int x=0;x<n;x++) ans[x]=vector<int32_t>(m,-1);
for(int x=0;x<m;x++){
bool take[n+5];
memset(take,0,sizeof(take));
vector<pii>temp;
for(int y=0;y<n/2;y++){
pii cur=pq.top();
pq.pop();
take[cur.second]=true;
cur.first--;
temp.push_back(cur);
pi2 take=storage[cur.second].back();
storage[cur.second].pop_back();
ans[take.second.first][take.second.second]=x;
}
for(int y=0;y<n;y++){
if(take[y]) continue;
pi2 take=storage2[y].back();
storage2[y].pop_back();
ans[take.second.first][take.second.second]=x;
}
for(auto it:temp) pq.push(it);
}
allocate_tickets(ans);
return counter;
}
