Submission #873265

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
873265	2023-11-14 17:40:03	salmon	Permutation (APIO22_perm)	C++17	100 / 100	1 ms	348 KiB

perm

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#include "perm.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> construct_permutation(long long k){
    if(k <= 90){
        vector<int> v;
        for(int i = 0; i < k - 1; i++){
            v.push_back(i);
        }
        reverse(v.begin(),v.end());
        return v;
    }
    vector<int> v;
    vector<int> temp;
    vector<int> bits;
    bool flag = false;
    while(k != 0){
        bits.push_back(k % 2);
        k /= 2;
    }
    bits.pop_back();
 
 
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Compilation message (stderr)

perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:43:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |     for(int i = 1; i < bits.size(); i++){
      |                    ~~^~~~~~~~~~~~~
perm.cpp:45:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |             if(bits[i] == 1 && i < bits.size() - 1 && bits[i + 1] == 1){
      |                                ~~^~~~~~~~~~~~~~~~~
perm.cpp:46:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |                 for(int i = 0; i < v.size(); i++){
      |                                ~~^~~~~~~~~~

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