View Compilation Error

0_0_30077636_29057.cpp: In function 'int main()':
0_0_30077636_29057.cpp:52:5: error: expected unqualified-id before 'while'
     while(~scanf("%d",&n)&&n+1)
     ^
0_0_30077636_29057.cpp:85:1: error: expected '}' at end of input
 }
 ^