Submission #1123080

#	Time	Username	Problem	Language	Result	Execution time	Memory
1123080		Luvidi	Carnival Tickets (IOI20_tickets)	C++20	0 / 100	0 ms	324 KiB

tickets

#include "tickets.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;

#define pii pair<int,int>
#define fs first
#define sc second

long long find_maximum(int k, std::vector<std::vector<int>> a) {
	int n = a.size();
	int m = a[0].size();
	long long x=0;
	vector<vector<int>> ans(n,vector<int>(m,-1));
	vector<int> l(n,0),r(n,m-1);
	for(int t=0;t<k;t++){
		int c=0;
		vector<bool> b(n,0);
		for(int i=0;i<n;i++){
			if(a[i][r[i]]){
				ans[i][r[i]--]=t;
				b[i]=1;
				x++;
				if((++c)==n/2)break;
			}
		}
		for(int i=0;i<n;i++)if(!b[i]){
			if(c==n/2)break;
			ans[i][r[i]--]=t;
			b[i]=1;
			c++;
		}
		for(int i=0;i<n;i++)if(!b[i]){
			ans[i][l[i]]=t;
			x-=a[i][l[i]++];
		}
	}

	allocate_tickets(ans);
	return x;
}

• Subtask 1: 0 / 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