View Compilation Error

0_0_19435297_7091.cpp: In function 'int main()':
0_0_19435297_7091.cpp:8:5: error: expected ';' before '{' token
     {  while(n--)
     ^
0_0_19435297_7091.cpp:18:1: error: expected '}' at end of input
 }
 ^