oj.uz

Submission #579800

# Submission time Handle Problem Language Result Execution time Memory
579800 2022-06-19T22:13:42 Z peuch Permutation (APIO22_perm) C++17
10 / 100
 1000 ms 304 KB 
#include "perm.h"
#include<bits/stdc++.h>
using namespace std;

std::vector<int> construct_permutation(long long k)
{
	if(k == 1) return vector<int> (0);
	if(k == 2) return vector<int> (1);
	vector<int> ret;
	for(int i = 2; i * i <= k; i++){
		if(k % i != 0) continue;
		vector<int> aux1 = construct_permutation(i);
		vector<int> aux2 = construct_permutation(k / i);
		if(ret.empty() || aux1.size() + aux2.size() < ret.size()){
			ret.clear();
			for(int i = 0; i < aux1.size(); i++)
				ret.push_back(aux1[i]);
			for(int i = 0; i < aux2.size(); i++)
				ret.push_back(aux2[i] + aux1.size());
		}
	}
	if(ret.empty()){
		ret = construct_permutation(k - 1);
		ret.insert(ret.begin(), ret.size());
	}
	return ret;
}

Compilation message

perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:16:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |    for(int i = 0; i < aux1.size(); i++)
      |                   ~~^~~~~~~~~~~~~
perm.cpp:18:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |    for(int i = 0; i < aux2.size(); i++)
      |                   ~~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 212 KB Output is correct

Subtask #2
0.0 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 55 ms 304 KB Output is correct
4 Execution timed out 1098 ms 212 KB Time limit exceeded
5 Halted 0 ms 0 KB -