oj.uz

Submission #916439

# Submission time Handle Problem Language Result Execution time Memory
916439 2024-01-25T22:29:28 Z Jakub_Wozniak Permutation (APIO22_perm) C++17
0 / 100
 0 ms 444 KB 
#include <bits/stdc++.h>
using namespace std;

vector <pair<int,int>> V;

vector<int> construct_permutation(long long n)
{
    if(n == 1)return {};
    if(n == 2)return {0};
    if(n == 3)return {1,0};
    if(n == 4)return {0,1};
    
    long long MAX = 300;
    vector <int> v;
    int B;
    int R = n%3;
    int r[200];

    
    n /= 3;
    if(R)v.push_back(R);

    while (n)
    {
        if(n < 4)
        {
            if(n < 2)break;
            if (n % 4 == 3) v.push_back(1);
            v.push_back(MAX);
            MAX--;
            break;
        }

        if (n % 4 == 1) v.push_back(1);
        if (n % 4 == 3) v.push_back(3);
        v.push_back(MAX);
        MAX--;
        if (n % 4 == 2) v.push_back(1);
        v.push_back(MAX);
        MAX--;
        n /= 4;
    }


    
    v.push_back(1);
    v.push_back(2);
    reverse(v.begin() , v.end());
    


    for(int i = 0 ; i < v.size() ; i++)
    {
        V.push_back({v[i],-i});
    }
    sort(V.begin() , V.end());

    long long akt = 0;
    for(int i = 0 ; i < V.size() ;i++)
    {
        r[-V[i].second] = akt;
        akt++;
    }


    for(int i = 0 ; i < V.size() ; i++)
    {
        v[i] = r[i]; 
    }
    V.clear();
    return v;
}

Compilation message

perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:52:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |     for(int i = 0 ; i < v.size() ; i++)
      |                     ~~^~~~~~~~~~
perm.cpp:59:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |     for(int i = 0 ; i < V.size() ;i++)
      |                     ~~^~~~~~~~~~
perm.cpp:66:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |     for(int i = 0 ; i < V.size() ; i++)
      |                     ~~^~~~~~~~~~
perm.cpp:15:9: warning: unused variable 'B' [-Wunused-variable]
   15 |     int B;
      |         ^

Subtask #1
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 444 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0.0 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 444 KB Output isn't correct
3 Halted 0 ms 0 KB -