func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     char str[200];     int num, i, j, k;     int pre = 0;     char temp[10];     cin.getline(str, 200,   n );     for (i = 0; str[i] != 0; i++) {       num = str[i];       j = 0;       while (num != 0) {         k = num % 2;         temp[j++] = k +  0 ;         num = (num - k) / 2;       }       while (j < 8) temp[j++] =  0 ;       temp[j] =   0 ;       for (j = 0; j < 8; j++) num += (temp[j] -  0 ) << (7 - j);       k = (pre - num) % 256;       if (k < 0) k += 256;       cout << k << endl;       pre = num;     }     return 0;   }   