View Compilation Error

0_0_15310119_16575.cpp: In function 'int main()':
0_0_15310119_16575.cpp:9:5: error: expected ';' before 'while'
     while(n--)
     ^
0_0_15310119_16575.cpp:30:1: error: expected '}' at end of input
 }
 ^