Submission #1106519

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1106519	2024-10-30 14:06:44	snpmrnhlol	Carnival Tickets (IOI20_tickets)	C++17	100 / 100	573 ms	94680 KiB

tickets

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#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 15e2;
vector<pair<int,int>> nr;
vector <int> bad;
int r[N];
int l[N];
bool vis[N];
long long find_maximum(int k, std::vector<std::vector<int>> x) {
  int n = x.size();
  int m = x[0].size();
  std::vector<std::vector<int>> answer;
    answer.resize(n);
    ll score = 0;
  for(int i = 0;i < n;i++){
        answer[i].resize(m);
        for(int j = 0;j < k;j++){
            nr.push_back({- x[i][j] - x[i][m - k + j], i});
            score-=x[i][j];
        }
        for(int j = 0;j < m;j++){
            answer[i][j] = -1;
        }
        l[i] = k;
  }
    sort(nr.begin(),nr.end());
    for(int i = 0;i < n*k/2;i++){
        score+=x[nr[i].second][k - 1 - r[nr[i].second]];
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 16 / 16
• Subtask 3: 14 / 14
• Subtask 4: 14 / 14
• Subtask 5: 12 / 12
• Subtask 6: 23 / 23
• Subtask 7: 10 / 10