This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "tickets.h"
#include<bits/stdc++.h>
#define ll long long
#define F first
#define S second
#define pb push_back
#define mp make_pair
using namespace std;
ll n,m,anss,c,cc;
vector< vector<int> > ans;
vector<int> temp;
vector<ll> fix;
set< pair<ll,ll> >s;
pair<ll,ll> t;
ll find_maximum(int k, vector< vector<int> > x)
{
n=x.size();
m=x[0].size();
for (int i=0; i<m; i++)
temp.pb(-1);
for (int i=0; i<n; i++)
ans.pb(temp);
for (int i=0; i<n; i++)
fix.pb(0);
for (int i=0; i<n; i++)
{
for (int j=m-k; j<m; j++)
anss+=x[i][j];
s.insert( mp( x[i][0]+x[i][m-k] , i) );
}
for (int c=0; c<k*n/2; c++)
{
t=*s.begin();
s.erase(*s.begin());
anss-=t.F;
fix[t.S]++;
if (fix[t.S]<k)
s.insert( mp( x[t.S][fix[t.S]] + x[t.S][m-k+fix[t.S]] , t.S ) );
}
for (int i=0; i<n; i++)
{
for (int j=0; j<fix[i]; j++)
{
ans[i][j]=c;
c++;
c%=k;
}
cc=c;
for (int j=m-k+fix[i]; j<m; j++)
{
ans[i][j]=cc;
cc++;
cc%=k;
}
}
allocate_tickets(ans);
return anss;
}
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