View Compilation Error

0_0_35644400_4393.c: In function 'main':
0_0_35644400_4393.c:10:9: error: expected expression before 'int'
   int a=int(n); 
         ^
0_0_35644400_4393.c:13:17: error: expected expression before 'int'
   printf("%d\n",int(pow(10,b)));
                 ^