View Compilation Error

0_0_19894955_6251.cpp: In function 'int main()':
0_0_19894955_6251.cpp:10:9: error: expected ';' before 'while'
         while(n--)
         ^
0_0_19894955_6251.cpp:28:1: error: expected '}' at end of input
 }
 ^