Submission #739699

#	Time	Username	Problem	Language	Result	Execution time	Memory
739699		CyberCraze	Permutation (APIO22_perm)	C++17	91.33 / 100	2 ms	340 KiB

perm

#include <bits/stdc++.h>
#define ll long long
#define FOR(i,a,b) for(ll i=a;i<b;i++)
using namespace std;

vector<int> construct_permutation(ll k) {
	string bn="";
	while(k){
		bn+=k%2+'0';
		k/=2;
	}
	reverse(bn.begin(),bn.end());
	vector<int> ret;
	int cur=0;
	FOR(i,1,bn.size()){
		ret.push_back(cur++);
		if(bn[i]=='1')
			ret.insert(ret.begin(),cur++);
	}
	return ret;
}

Compilation message (stderr)

perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:3:32: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    3 | #define FOR(i,a,b) for(ll i=a;i<b;i++)
......
   15 |  FOR(i,1,bn.size()){
      |      ~~~~~~~~~~~~~              
perm.cpp:15:2: note: in expansion of macro 'FOR'
   15 |  FOR(i,1,bn.size()){
      |  ^~~

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