func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 210;   int n, k, m;   long long a[N];   int b[N];   int f[N][6010];   int ans = 0;   int c[N], d[N];   int main() {     scanf( %d%d , &n, &m);     for (int i(1); i <= (n); ++i) scanf( %lld , a + i);     for (int i(1); i <= (n); ++i) {       for (; a[i] % 2 == 0; a[i] /= 2) ++d[i];       for (; a[i] % 5 == 0; a[i] /= 5) ++c[i];     }     for (int j(0); j <= (m); ++j)       for (int k(0); k <= (5200); ++k) f[j][k] = -(1 << 30);     f[0][0] = 0;     for (int i(1); i <= (n); ++i) {       for (int j(m); j >= (1); --j) {         for (int k(c[i]); k <= (5200); ++k)           f[j][k] = max(f[j][k], f[j - 1][k - c[i]] + d[i]);       }     }     for (int j(0); j <= (5200); ++j) ans = max(ans, min(f[m][j], j));     printf( %d n , ans);     return 0;   }   