제출 #739700

#제출 시각아이디문제언어결과실행 시간메모리
739700CyberCrazePermutation (APIO22_perm)C++17
91.33 / 100
2 ms340 KiB
#include <bits/stdc++.h>
#include "perm.h"
using namespace std;

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

컴파일 시 표준 에러 (stderr) 메시지

perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:15:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |  for(int i=1;i<bn.size();i++)
      |              ~^~~~~~~~~~
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