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>
using namespace std;
typedef pair<int, int> pi;
typedef vector<int> vi;
typedef long long ll;
typedef vector<ll> vl;
typedef pair<ll, ll> pl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
#define pb push_back
#define sz(x) (int)(x).size()
#define all(x) begin(x), end(x)
#define mp make_pair
#define f first
#define s second
#define bk back()
vi goods[1505];
vi bads[1505];
priority_queue<pi> szs; //size, index
long long find_maximum(int k, vector<vi> x) {
int n = sz(x);
int m = sz(x[0]);
vector<vi> answer;
for(int i = 0; i < n; i++){
answer.pb(vi(m, -1));
}
ll ans = 0;
for(int i = 0; i < n; i++){
for(int j = 0; j < k; j++){
bads[i].pb(j);
ans-=x[i][j];
}
szs.push(mp(x[i][bads[i].bk]+x[i][bads[i].bk+m-k], i));
}
int cnt = 0;
while(cnt < (n/2)*k){
pi a = szs.top();
szs.pop();
ans+=a.f;
goods[a.s].pb(bads[a.s].bk+m-k);
bads[a.s].pop_back();
if(sz(bads[a.s]) >= 1){
szs.push(mp(x[a.s][bads[a.s].bk]+x[a.s][bads[a.s].bk+m-k], a.s));
}
cnt++;
}
priority_queue<pi> emp;
swap(szs, emp);
for(int i = 0; i < n; i++){
szs.push(mp(sz(goods[i]), i));
}
for(int round = 0; round < k; round++){
vpi trash;
for(int i = 0; i < n/2; i++){
pi a = szs.top();
szs.pop();
answer[a.s][goods[a.s].bk] = round;
goods[a.s].pop_back();
trash.pb(mp(a.f-1, a.s));
}
for(int i = 0; i < n/2; i++){
pi a = szs.top();
szs.pop();
answer[a.s][bads[a.s].bk] = round;
bads[a.s].pop_back();
trash.pb(a);
}
for(auto u: trash){
szs.push(u);
}
}
allocate_tickets(answer);
return ans;
// if(k == m){
// vector<pair<int, pi>> inds;
// for(int i = 0; i < n; i++){
// for(int j = 0; j < m; j++){
// inds.pb(mp(x[i][j], mp(i, j)));
// ans-=x[i][j];
// }
// }
// sort(all(inds));
// for(int i = 0; i < (n/2)*m; i++){
// bads[inds[i].s.f].pb(inds[i].s.s);
// }
// for(int i = (n/2)*m; i < n*m; i++){
// goods[inds[i].s.f].pb(inds[i].s.s);
// ans+=2*inds[i].f;
// }
// for(int i = 0; i < n; i++){
// szs.push(mp(sz(goods[i]), i));
// }
// for(int round = 0; round < k; round++){
// vpi trash;
// for(int i = 0; i < n/2; i++){
// pi a = szs.top();
// szs.pop();
// answer[a.s][goods[a.s].bk] = round;
// goods[a.s].pop_back();
// trash.pb(mp(a.f-1, a.s));
// }
// for(int i = 0; i < n/2; i++){
// pi a = szs.top();
// szs.pop();
// //cout << a.s << "\n";
// answer[a.s][bads[a.s].bk] = round;
// bads[a.s].pop_back();
// trash.pb(a);
// }
// for(auto u: trash){
// szs.push(u);
// }
// }
// allocate_tickets(answer);
// return ans;
// }
}
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