View Compilation Error

In file included from 0_0_26630696_23882.cpp:1:0:
0_0_26630696_23882.cpp: In function 'int main()':
0_0_26630696_23882.cpp:9:27: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
     while(~scanf("%d",&n!=EOF)){
                           ^