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 all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
long long find_maximum(int k, vector<vector<int>> x) {
int n = x.size();
int m = x[0].size();
vector<int> beg(n), fin(n);
for(int i = 0; i < n; ++i){
beg[i] = 0;
fin[i] = m-1;
}
vector<vector<int>> ret(n, vector<int>(m, -1));
ll ans = 0;
for(int round = 0; round < k; ++round){
vector<pii> vec;
for(int i = 0; i < n; ++i)
vec.pb({x[i][beg[i]]+x[i][fin[i]], i});
sort(all(vec), greater<pii>());
for(int i = 0; i < n; ++i){
int idx = vec[i].ss;
if(i < n/2){
ans += x[idx][fin[idx]];
ret[idx][fin[idx]] = round;
--fin[idx];
}
else{
ans -= x[idx][beg[idx]];
ret[idx][beg[idx]] = round;
++beg[idx];
}
}
}
allocate_tickets(ret);
return ans;
}
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