Submission #1049166

#	Time	Username	Problem	Language	Result	Execution time	Memory
1049166		Maite_Morale	Permutation (APIO22_perm)	C++17	0 / 100	0 ms	348 KiB

perm

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define vll vector<ll>

std::vector<int> construct_permutation(long long k){
	vll r;ll b=0;ll c=0;ll mn=0;
	vector<int> ans;
	for(int i=60;i>=0;i--){
		if(b==1){	
			r.push_back(c);c++;
			if(k&(1LL<<i)){
				r.push_back(-c);
				mn=-c;
			}
		}
		if(k&(1LL<<i)){
			b=1;//cout<<i<<"*-*";
		}
	}
	for(int i=0;i<r.size();i++){
		ans.push_back(r[i]-mn);
		//cout<<ans.back()<<" ";
	}//cout<<"\n";
return ans;
}

Compilation message (stderr)

perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:21:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |  for(int i=0;i<r.size();i++){
      |              ~^~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 90