View Compilation Error

0_0_28204555_6777.cpp:7:1: error: expected initializer before 'int'
 int n;
 ^
0_0_28204555_6777.cpp: In function 'int main()':
0_0_28204555_6777.cpp:10:24: error: 'n' was not declared in this scope
     while(~scanf("%d",&n))
                        ^