제출 #1050461

#제출 시각아이디문제언어결과실행 시간메모리
1050461TahirAliyev카니발 티켓 (IOI20_tickets)C++17
27 / 100
259 ms51492 KiB
#include "tickets.h" #include <bits/stdc++.h> using namespace std; #define pii pair<int, int> #define ll long long ll find_maximum(int k, std::vector<std::vector<int>> x) { int n = x.size(); int m = x[0].size(); vector<vector<int>> res; res.resize(n); for(int i = 0; i < n; i++) res[i].resize(m, -1); vector<int> l(n, 0), r(n, m - 1); ll ans = 0; while(k--){ vector<pii> v; for(int i = 0; i < n; i++){ v.push_back({x[i][l[i]] + x[i][r[i]], i}); } sort(v.begin(), v.end()); for(int i = 0; i < n; i++){ if(i < n / 2){ ans -= (x[v[i].second][l[v[i].second]]); res[v[i].second][l[v[i].second]] = 0; l[v[i].second]++; } else{ ans += (x[v[i].second][r[v[i].second]]); res[v[i].second][r[v[i].second]] = 0; r[v[i].second]--; } } } allocate_tickets(res); return ans; }
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