Submission #532796

#	Time	Username	Problem	Language	Result	Execution time	Memory
532796		aryan12	Carnival Tickets (IOI20_tickets)	C++17	11 / 100	2 ms	716 KiB

tickets

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

long long find_maximum(int k, std::vector<std::vector<int> > x) {
	long long K = k;
	vector<vector<long long> > input;
	for(long long i = 0; i < x.size(); i++) {
		vector<long long> row;
		for(long long j = 0; j < x[0].size(); j++) {
			row.push_back(x[i][j]);
		}
		input.push_back(row);
	}
	long long n = x.size();
	long long m = x[0].size();
	vector<vector<int> > answer(n, vector<int> (m, -1));
	vector<long long> kekw;
	for(long long i = 0; i < n; i++) {
		for(long long j = 0; j < m; j++) {
			answer[i][j] = 0;
			kekw.push_back(input[i][j]);
		}
	}
	sort(kekw.begin(), kekw.end());
	long long ans = 0;
	long long lmao = kekw[n / 2];
	for(long long i = 0; i < n; i++) {
		ans += abs(lmao - kekw[i]);
	}
	allocate_tickets(answer);
	return ans;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:9:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |  for(long long i = 0; i < x.size(); i++) {
      |                       ~~^~~~~~~~~~
tickets.cpp:11:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |   for(long long j = 0; j < x[0].size(); j++) {
      |                        ~~^~~~~~~~~~~~~
tickets.cpp:7:12: warning: unused variable 'K' [-Wunused-variable]
    7 |  long long K = k;
      |            ^

• 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