Submission #1119903

#	Time	Username	Problem	Language	Result	Execution time	Memory
1119903		dsyz	Carnival Tickets (IOI20_tickets)	C++17	0 / 100	1 ms	504 KiB

tickets

#include <bits/stdc++.h>
#include "tickets.h"
using namespace std;
using ll = long long;
#define MAXN (1000005)

long long find_maximum(int k, vector<vector<int>> x) {
	ll N = x.size();
	ll M = x[0].size();
	vector<ll> all;
	for(ll i = 0;i < N;i++){
		for(ll j = 0;j < N;j++){
			all.push_back(x[i][j]);
		}
	}
	sort(all.begin(),all.end());
	pair<ll,ll> best = {-1,-1};
	for(auto b : all){
		ll sum = 0;
		for(ll i = 0;i < N;i++){
			sum += abs(b - x[i][0]);
		}
		best = max(best,{sum,b});
	}
	vector<vector<int> > ans;
	vector<int> row;
	for(ll i = 0;i < N;i++){
		row.push_back(0);
	}
	ans.push_back(row);
	allocate_tickets(ans);
	return best.first;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:9:5: warning: unused variable 'M' [-Wunused-variable]
    9 |  ll M = x[0].size();
      |     ^

• Subtask 1: 0 / 11
• Subtask 2: 0 / 16
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
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• Subtask 7: 0 / 10