func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     int m;     int count;     int sum;     while (scanf( %d%d , &n, &m) != EOF) {       count = 0;       sum = 0;       if (n == m) {         printf( 0 );         printf(  n );         continue;       }       while (n < m) {         n = n * 2;         count++;       }       int k = n - m;       sum += count;       while (count != -1 && k != 0) {         while (k >= (1 << count)) {           sum += k / (1 << count);           k = k - (k / (1 << count)) * (1 << count);         }         count--;       }       printf( %d n , sum);     }   }   