View Compilation Error

0_0_33831391_23882.cpp: In function 'int main()':
0_0_33831391_23882.cpp:18:5: error: expected ';' before 'while'
     while(n--)
     ^
0_0_33831391_23882.cpp:49:1: error: expected '}' at end of input
 }
 ^