View Compilation Error

0_0_30601506_2462.cpp: In function 'int main()':
0_0_30601506_2462.cpp:12:2: error: expected ';' before 'while'
  while(n--)
  ^
0_0_30601506_2462.cpp:52:1: error: expected '}' at end of input
 }
 ^