func_code_string: #include <bits/stdc++.h>   int x[30];   template <class T>   inline void read(T &num) {     num = 0;     char c = getchar();     T sign = 1;     while (c <  0  || c >  9 ) {       if (c ==  - ) sign = -1;       c = getchar();     }     while (c >=  0  && c <=  9 ) {       num = (num << 1) + (num << 3) + (c ^ 48);       c = getchar();     }     num *= sign;   }   int main() {     int t, a;     read(t);     while (t--) {       read(a);       int tag = a, cnt = 0, ok = 0, ans = 0;       while (tag) {         x[++cnt] = tag & 1;         if (!x[cnt]) ok = 1;         tag >>= 1;       }       if (ok) {         for (register int i = cnt; i; --i) {           ans <<= 1;           if (!x[i]) ++ans;         }         printf( %d n , ans ^ a);       } else {         for (register int i = 2; i * i <= a; ++i)           if (a % i == 0) {             printf( %d n , a / i);             ok = 1;             break;           }         if (!ok) puts( 1 );       }     }     return 0;   }   