Submission #916983

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
916983	2024-01-26T22:48:35 Z	Jakub_Wozniak	Permutation (APIO22_perm)	C++17	Compilation error	0 ms	0 KB

perm

#include <bits/stdc++.h>
using namespace std;

vector <pair<int,int>> V;

vector<int> construct_permutation(long long n)
{
    if(n == 2)return {0};
    if(n == 3)return {1,0};
    if(n == 4)return {0,1};

    long long MAX = 300;
    vector <int> v;
    vector <int> B;
    long long akt = 0;
    int r[200];

    while(n)
    {
        B.push_back(n%2);
        n/=2;
    }
    reverse(B.begin() , B.end());

    if(B[1] == '1')
    {
        v.push_back(2);
        v.push_back(1);
        akt = 2;
    }
    else
    {
        if(B[2] == '0')
        {
            v.push_back(2);
            v.push_back(1);
            v.push_back(1);
        }
        else
        {
            v.push_back(2);
            v.push_back(1);
            v.push_back(2);
        }

        akt = 3;
    }

    while(akt+1 < B.size())
    {
        v.push_back(MAX);
        MAX++;
        v.push_back(MAX);
        MAX++;
        if(B[akt]*2+B[akt+1])v.push_back(B[akt]*2+B[akt+1]);
        akt += 2;
    }

    if(akt < B.size())
    {
        v.push_back(MAX);
        MAX++;
        if(B[akt])v.push_back(B[akt]);
    }

    


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

    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;
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    long long t, n, m, f, xa, ya, xb, yb;
    cin >> t;
    while (t--)
    {
        cin >> n;
        vector <int> k = construct_permutation(n);
        cout << k.size() << '\n';
        for(int i= 0 ; i < k.size() ; i++)
        {
             cout << k[i] << ' ';
        }
        cout << '\n';
    }

    return 0;
}

Compilation message

perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:49:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |     while(akt+1 < B.size())
      |           ~~~~~~^~~~~~~~~~
perm.cpp:59:12: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |     if(akt < B.size())
      |        ~~~~^~~~~~~~~~
perm.cpp:69:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |     for(int i = 0 ; i < v.size() ; i++)
      |                     ~~^~~~~~~~~~
perm.cpp:76:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |     for(int i = 0 ; i < V.size() ;i++)
      |                     ~~^~~~~~~~~~
perm.cpp:83:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   83 |     for(int i = 0 ; i < V.size() ; i++)
      |                     ~~^~~~~~~~~~
perm.cpp: In function 'int main()':
perm.cpp:102:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  102 |         for(int i= 0 ; i < k.size() ; i++)
      |                        ~~^~~~~~~~~~
perm.cpp:95:21: warning: unused variable 'm' [-Wunused-variable]
   95 |     long long t, n, m, f, xa, ya, xb, yb;
      |                     ^
perm.cpp:95:24: warning: unused variable 'f' [-Wunused-variable]
   95 |     long long t, n, m, f, xa, ya, xb, yb;
      |                        ^
perm.cpp:95:27: warning: unused variable 'xa' [-Wunused-variable]
   95 |     long long t, n, m, f, xa, ya, xb, yb;
      |                           ^~
perm.cpp:95:31: warning: unused variable 'ya' [-Wunused-variable]
   95 |     long long t, n, m, f, xa, ya, xb, yb;
      |                               ^~
perm.cpp:95:35: warning: unused variable 'xb' [-Wunused-variable]
   95 |     long long t, n, m, f, xa, ya, xb, yb;
      |                                   ^~
perm.cpp:95:39: warning: unused variable 'yb' [-Wunused-variable]
   95 |     long long t, n, m, f, xa, ya, xb, yb;
      |                                       ^~
/usr/bin/ld: /tmp/cc0nx2pt.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccPfGX6w.o:perm.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status