Submission #1049133

#	Time	Username	Problem	Language	Result	Execution time	Memory
1049133		Marco_Escandon	Permutation (APIO22_perm)	C++17	91.33 / 100	3 ms	492 KiB

perm

//#include "perm.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
std::vector<int> construct_permutation(long long k)
{
	vector<int> cad;
	for(int i=0; i<64; i++)
	{
		cad.push_back(i);
	}
	ll k2=k;
	ll p=64;
	ll pl=0;
	for(ll i=60; i>-1; i--)
	{
		if((k&(1LL<<i))!=0)
		{
			vector<int> cad2;
			ll asdf=0;
			for(int j=0; asdf<i-1+pl; j++)
			{
				if(cad[j]==asdf)
					asdf++;
				cad2.push_back(cad[j]);
			}
			cad2.push_back(p++);
			for(int j=asdf; j<cad.size(); j++)
			{
				cad2.push_back(cad[j]);
			}
			cad=cad2;
			pl=1;
		}
	}
	while(cad.size()>0&&cad.back()!=64)
		cad.pop_back();
	vector<int> asd=cad;map<ll,ll> mapa;sort(asd.begin(),asd.end()); ll c=1;
	for(auto i:asd)
		if(mapa[i]==0)mapa[i]=c++;
	for(int i=0; i<cad.size(); i++)
		cad[i]=mapa[cad[i]]-1;
	return cad;
}

Compilation message (stderr)

perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:28:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |    for(int j=asdf; j<cad.size(); j++)
      |                    ~^~~~~~~~~~~
perm.cpp:41:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |  for(int i=0; i<cad.size(); i++)
      |               ~^~~~~~~~~~~
perm.cpp:12:5: warning: unused variable 'k2' [-Wunused-variable]
   12 |  ll k2=k;
      |     ^~

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