src.c: In function 'main':
src.c:9:9: error: stray '\357' in program
case 1：
^
src.c:9:9: error: stray '\274' in program
src.c:9:9: error: stray '\232' in program
src.c:10:9: error: expected ':' or '...' before 'case'
case 2：
^
src.c:10:9: error: stray '\357' in program
src.c:10:9: error: stray '\274' in program
src.c:10:9: error: stray '\232' in program
src.c:11:9: error: expected ':' or '...' before 'case'
case 3:
^