• 2021-04-14
    #includemain(){intx=1,y=0,a=0,b=0;switch(x){case1:switch(y){case0:a++;break;case1:b++;break;}case2:a++;b++;break;case3:a++;b++;break;default:a++;b++;}printf(“a=%d,b=%d”,a,b);}A.a=1,b=0B.a=2,b=1C.a=1,b=1D.a=2,b=2以上程序的输出是