Cod sursa(job #2559209)

Utilizator Anakin1001George Giorgiu Gica Anakin1001 Data 27 februarie 2020 09:37:04
Problema Descompuneri Scor 12
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.96 kb
#include <fstream>
#include <vector>
#include <algorithm>
#include <unordered_map>

#define N 4095

using namespace std;

ifstream f ( "desc.in" );
ofstream g ( "desc.out" );

unordered_map < int, int > h;
int d[N][N], v[N];

int main()
{   int l = 0, div, n, k, i, j;
    f >> n >> k;
    for ( div = 1; div * div < n; div++ ){
        if ( n % div == 0 ){
            v[++l] = div;
            v[++l] = n / div;
        }
    }
    if ( div * div == n )
        v[++l] = div;
    sort ( v + 1, v + l + 1 );
    for ( i = 1; i <= l; i++ )
        h[v[i]] = i;
    d[1][1] = 1;
    for ( i = 2; i <= l; i++ ){
        d[i][i] = 1;
        for ( j = i - 1; j >= 2; j-- ){
            d[i][j] = d[i][j + 1];
            if ( v[i] % v[j] == 0 ){
                div = v[i] / v[j];
                int poz = h[div];
                d[i][j] += d[poz][j];
            }
        }
        d[i][1] = d[i][2];
    }
    g << d[l][1];
    return 0;
}