• 2021-05-29
    请读程序: #include main() {int x=l,y=0,a=0,b=0; switch(x) {case l: switch(y) {case 0: a++; break; case 1:b++;break;} case 2: a++;b++; break;} printf("a=%d, b=%dn",a,b);} 上面程序的输出结果是( )