Submission #911301

#	Time	Username	Problem	Language	Result	Execution time	Memory
911301		hjroh0315	Permutation (APIO22_perm)	C++17	91.33 / 100	2 ms	356 KiB

perm

#include"perm.h"
#include<bits/stdc++.h>
using namespace std;
std::vector<int>construct_permutation(long long k)
{
    vector<int>ans;
    auto f=k;int last=-1;
    for(int i=0;i<62;i++)
    {
        if(f>0)
        {
            if(f&1)f--;
            if(f>0)ans.push_back(i);
            last=i;
            f>>=1;
        }
    }
    last--;
    while(last>=0)
    {
        if(k>>last&1)
        {
            for(int i=0;i<size(ans);i++)
            {
                if(ans[i]>=last)ans[i]++;
            }
            ans.push_back(last);
        }
        last--;
    }
    return ans;
}

Compilation message (stderr)

perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:23:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |             for(int i=0;i<size(ans);i++)
      |                         ~^~~~~~~~~~

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