func_code_string: #include <bits/stdc++.h>   using namespace std;   const int mod = 256;   int getNum(char tch) {     int num = tch;     char ch[10];     int cnt = 0;     while (cnt < 8) {       ch[cnt++] = num % 2 +  0 ;       num /= 2;     }     num = 0;     for (int i = 0; i < 8; i++) {       num = num * 2 + (ch[i] -  0 );     }     return num;   }   int main() {     char ch[1000];     gets(ch);     int len = strlen(ch);     int pre = 0;     for (int i = 0; i < len; i++) {       int tmp = getNum(ch[i]);       cout << (pre - tmp + 10 * 256) % mod << endl;       pre = tmp;     }     return 0;   }   