Submission #635909

#	Time	Username	Problem	Language	Result	Execution time	Memory
635909		Minindu2006	Permutation (APIO22_perm)	C++17	91.33 / 100	2 ms	340 KiB

perm

#include "perm.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
vector<int> ind(ll k)
{
	vector<int> v;
	while(k > 0)
	{
		v.push_back(k % 2);
		k /= 2;
	}
	vector<int> ans;
	for(int i=0;i<v.size();i++)
	{
		if(v[i])
			ans.push_back(i);
	}
	return ans;
}
std::vector<int> construct_permutation(long long k)
{
	vector<int> cur = ind(k), ans;
	int n = cur.size();
	for(int i=0;i<cur[n - 1];i++)
		ans.push_back(i);
	if(n == 1)
		return ans;
	cur.pop_back();
	reverse(cur.begin(), cur.end());
	int nxt = cur[n - 1];
	for(int i=0;i<n - 1;i++)
	{
		ans.insert(ans.begin() + cur[i], nxt);
		nxt++;
	}
	return ans;
}

Compilation message (stderr)

perm.cpp: In function 'std::vector<int> ind(long long int)':
perm.cpp:14:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |  for(int i=0;i<v.size();i++)
      |              ~^~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 81.333333333 / 90