View Compilation Error

0_0_16356565_9651.c: In function 'main':
0_0_16356565_9651.c:5:32: error: expected expression before '/' token
     while(scanf("%d",&n)!=EOF);//同while(~scanf("%d",&n));
                                ^
0_0_16356565_9651.c:5:32: error: stray '\315' in program
0_0_16356565_9651.c:5:32: error: stray '\254' in program
0_0_16356565_9651.c:12:13: error: expected ';' before 'if'
             if(i%2==1);
             ^