View Compilation Error

0_0_20781821_11471.cpp:3:7: error: 'SIZE' does not name a type
 const SIZE=20;
       ^
0_0_20781821_11471.cpp: In function 'int main()':
0_0_20781821_11471.cpp:29:15: error: 'SIZE' was not declared in this scope
     int prime[SIZE];
               ^
0_0_20781821_11471.cpp:34:13: error: 'prime' was not declared in this scope
             prime[i]=i-1;
             ^
0_0_20781821_11471.cpp:39:22: error: 'prime' was not declared in this scope
             if(Judge(prime,num))
                      ^
0_0_20781821_11471.cpp:46:33: error: 'prime' was not declared in this scope
         while (next_permutation(prime+1,prime+num));
                                 ^