제출 #658329

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
658329		Zena_Hossam	순열 (APIO22_perm)	C++17	컴파일 에러	0 ms	0 KiB

perm

#include<bits/stdc++.h>
#include "perm.h"
//#include "grader.cpp"
#define  ll long long
using namespace std;
std::vector<long long> construct_permutation(long long k)
{
    ll p=k-2;k--;
    vector<ll>s,x;
    while(1)
    {
        ll l=0,r=60,p1,h;
        while(l<=r)
        {
            ll mid=(l+r)/2;
            p1=(1<<mid)-1;
            if(k>=p1)
            {
                h=mid;
                l=mid+1;
            }
            else r=mid-1;
        }
        for(ll i=p-h+1;i<=p;i++){
            s.push_back(i);
        }
     //   cout<<v[o].first<<" "<<v[o].second<<" "<<k<<"\n";
        p-=h;
        k-=((1<<h)-1);
        if(k<=0)break;
    }
    for(ll i=0;i<s.size();i++)
    {
        s[i]-=(p+1);
    }
    return s;
}

컴파일 시 표준 에러 (stderr) 메시지

perm.cpp:6:24: error: ambiguating new declaration of 'std::vector<long long int> construct_permutation(long long int)'
    6 | std::vector<long long> construct_permutation(long long k)
      |                        ^~~~~~~~~~~~~~~~~~~~~
In file included from perm.cpp:2:
perm.h:3:18: note: old declaration 'std::vector<int> construct_permutation(long long int)'
    3 | std::vector<int> construct_permutation(long long k);
      |                  ^~~~~~~~~~~~~~~~~~~~~
perm.cpp: In function 'std::vector<long long int> construct_permutation(long long int)':
perm.cpp:32:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |     for(ll i=0;i<s.size();i++)
      |                ~^~~~~~~~~