View Compilation Error

0_0_37400411_17235.cpp: In function 'int main()':
0_0_37400411_17235.cpp:17:9: error: expected ';' before 'printf'
         printf("%d\n",a[n-1]);
         ^
0_0_37400411_17235.cpp:21:1: error: expected '}' at end of input
 }
 ^