/in/foo.c: In function 'main':
/in/foo.c:6:2: error: stray '\357' in program
  scanf（"%d %d %d",&n,&x,&y）;
  ^
/in/foo.c:6:2: error: stray '\274' in program
/in/foo.c:6:2: error: stray '\210' in program
/in/foo.c:6:2: warning: statement with no effect [-Wunused-value]
/in/foo.c:6:10: error: expected ';' before string constant
  scanf（"%d %d %d",&n,&x,&y）;
          ^
/in/foo.c:6:10: error: stray '\357' in program
/in/foo.c:6:10: error: stray '\274' in program
/in/foo.c:6:10: error: stray '\211' in program