Submission #955684

#	Time	Username	Problem	Language	Result	Execution time	Memory
955684		Otalp	Permutation (APIO22_perm)	C++17	71.22 / 100	10 ms	1372 KiB

perm

#include "perm.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back


vector<int> construct_permutation(ll k)
{
    vector<int> ans;
    ll h = k - 1;
    vector<int> d;
    ll ls = -1;
    for(int i=60; i>=1; i--){
        while(h >= (1ll << i) - 1){
            d.pb(i);
            ls += i;
            h -= (1ll << i) - 1;
        }
    }
    if(h > 0) d.pb(1), ls ++;
    for(auto x: d){
        int l=ls-x+1, r=ls;
        ls -= x;
        for(int i=l; i<=r; i++){
            ans.pb(i);
        }
    }
    for(int i=0; i<d.size(); i++){
        //cout<<d[i]<<' ';
    }
    //cout<<'\n';
    for(int i=0; i<ans.size(); i++){
        //cout<<ans[i]<<' ';
    }

    return ans;
}

Compilation message (stderr)

perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:29:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for(int i=0; i<d.size(); i++){
      |                  ~^~~~~~~~~
perm.cpp:33:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     for(int i=0; i<ans.size(); i++){
      |                  ~^~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 61.215384618 / 90