func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int pre = 0;     char ch;     while (scanf( %c , &ch) != EOF) {       int x = ch, b[9];       if (x < 32 || x > 126) break;       for (int j = 1; j <= 8; ++j) {         b[j] = x % 2;         x /= 2;       }       x = 0;       for (int j = 1; j <= 8; ++j) {         x = x * 2 + b[j];       }       printf( %d n , (pre - x + 256) % 256);       pre = x;     }     return 0;   }   