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:13:30: error: break statement not within loop or switch
case 5:printf("E\n");break;
^
src.c:14:9: error: case label not within a switch statement
case 6:printf("D\n");break;
^
src.c:14:30: error: break statement not within loop or switch
case 6:printf("D\n");break;
^
src.c:15:9: error: case label not within a switch statement
case 7:printf("C\n");break;
^
src.c:15:30: error: break statement not within loop or switch
case 7:printf("C\n");break;
^
src.c:16:9: error: case label not within a switch statement
case 8:printf("B\n");break;
^
src.c:16:30: error: break statement not within loop or switch
case 8:printf("B\n");break;
^
src.c:17:9: error: case label not within a switch statement
case 9:
^
src.c:18:9: error: case label not within a switch statement
case 10:printf("A\n");break;
^
src.c:18:31: error: break statement not within loop or switch
case 10:printf("A\n");break;
^