func_code_string: #include <bits/stdc++.h>   using namespace std;   const long double ESP = 1E-8;   long double cal(long double x, long double y, long double z) {     return log(x) * pow(y, z);   }   long double ca(long double x, long double y, long double z) {     return y * z * log(x);   }   int main() {     const char* result[12] = { x^y^z ,  x^z^y ,  (x^y)^z ,  (x^z)^y ,                                y^x^z ,  y^z^x ,  (y^x)^z ,  (y^z)^x ,                                z^x^y ,  z^y^x ,  (z^x)^y ,  (z^y)^x };     long double a[20];     long double x, y, z;     cin >> x >> y >> z;     a[0] = cal(x, y, z);     a[1] = cal(x, z, y);     a[2] = ca(x, y, z);     a[3] = ca(x, z, y);     a[4] = cal(y, x, z);     a[5] = cal(y, z, x);     a[6] = ca(y, x, z);     a[7] = ca(y, z, x);     a[8] = cal(z, x, y);     a[9] = cal(z, y, x);     a[10] = ca(z, x, y);     a[11] = ca(z, y, x);     long double maxn = a[0];     int res = 0;     for (int i = 1; i < 12; ++i) {       if (maxn < a[i] - ESP) {         maxn = a[i];         res = i;       }     }     printf( %s , result[res]);     return 0;   }   