Submission #831412

#	Time	Username	Problem	Language	Result	Execution time	Memory
831412		Dremix10	Carnival Tickets (IOI20_tickets)	C++17	11 / 100	1 ms	596 KiB

tickets

#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pi;
typedef pair<ll,ll> pl;
#define F first
#define S second
#define all(x) (x).begin(),(x).end()
const int N = 3e5+5;
const int MOD = 1e9+7;
const ll INF = 1e18+5;
#ifdef dremix
    #define p2(x,y) cerr<<#x<<", "<<#y<<" = "<<x<<", "<<y<<endl;
    #define ppv(x) cerr<<#x<<" = {";for(auto v : x)cerr<<v.F<<"-"<<v.S<<", ";cerr<<"}"<<endl;
#else
    #define p2(x,y) {}
    #define ppv(x) {}
#endif



long long find_maximum(int k, vector<vector<int> > x) {
	int n = x.size();
	int m = x[0].size();
	vector<vector<int> > answer;
    ll sum = 0;
    vector<int> arr;

	for (int i = 0; i < n; i++) {
		vector<int> row(m);
		for (int j = 0; j < m; j++) {
			if (j < k) {
				row[j] = j;
                arr.push_back(x[i][j]);
			} 
            else {
				row[j] = -1;
			}
		}
		answer.push_back(row);
	}
    sort(all(arr));
    int b = (arr[n/2]+arr[n/2-1])/2;

    for(auto v : arr){
        sum += abs(b-v);
    }

	allocate_tickets(answer);
	return sum;
}

• Subtask 1: 11 / 11
• Subtask 2: 0 / 16
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 12
• Subtask 6: 0 / 23
• Subtask 7: 0 / 10