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;
long long find_maximum(int k, std::vector<std::vector<int>> x) {
int n = x.size();
int m = x[0].size();
/* if(m == 1) {
long long ans = 0;
vector<vector<int>> build(n, vector<int>(1, 0));
sort(x.begin(), x.end(), [](const vector<int>& v1, const vector<int>& v2) { return v1.front() < v2.front(); });
for(int i = 0; i < n; i++)
ans += x[i].front() * (i < n / 2 ? -1 : 1);
allocate_tickets(build);
return ans;
} */
if(k == 1) {
long long ans = 0;
vector<vector<int>> build(n, vector<int>(m, -1));
// sort(x.begin(), x.end(), [](const vector<int>& v1, const vector<int>& v2) { return v1.front() < v2.front(); });
for(int i = 0; i < n; i++)
ans -= x[i][0], build[i][0] = 0;
vector<pair<int,int>> opt;
for(int i = 0; i < n; i++)
opt.push_back({x[i].back() + x[i].front(), i});
sort(opt.begin(), opt.end(), greater<pair<int,int>>());
for(int i = 0; i < n/2; i++)
build[opt[i].second].front() = -1, build[opt[i].second].back() = 0, ans += opt[i].first;
allocate_tickets(build);
return ans;
}
return 0;
/* int cnt[2]{};
for(auto v : x)
for(int hm : v)
cnt[hm]++; */
/* vector<vector<int>> escolhe(n, vector<int>);
vector<int> dp(2*n*k+1, -0x3f3f3f3f), prox = dp;
int offset = n*k;
dp[offset] = 0; */
/* std::vector<std::vector<int>> answer;
for (int i = 0; i < n; i++) {
std::vector<int> row(m);
for (int j = 0; j < m; j++) {
if (j < k) {
row[j] = j;
} else {
row[j] = -1;
}
}
answer.push_back(row);
}
allocate_tickets(answer); */
// return 1;
}
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