若有定义:inta=7;floatx=2.5,y=4.7;则表达式x+a%3*(int)(x+y)%2/4的值是 A.2.500000
若有定义:int a=7;float x=2.5,y=4.7;则表达式x+a%3*(int)(x+y)%2/4的值是
A.2.500000
B.2.750000
C.3.500000
D.0.000000
若有定义:int a=7;float x=2.5,y=4.7;则表达式x+a%3*(int)(x+y)%2/4的值是
A.2.500000
B.2.750000
C.3.500000
D.0.000000
第1题
A.floatx(inta,intb){returna-b;}
B.intx(inta,intb){returna-b;}
C.intx(inta,intb);{returna*b;}
D.intx(inta,intb){returna*b;}
第5题
A.switch(w) { case 1.0: printf("*\n"); case 2.0: printf("**\n"); }
B.switch(); { case 1 printf("*\n"); case 2 printf("**\n"); }
C.switch() {case 1:printf("*\n"); default: printf("\n"); case 1+2:printf("**\n"); }
D.switch(a+b); { case 1: printf("*\n"); case 2: printf("**\n"); default:printf("\n"); }
第7题
A.3
B.4
C.34
D.35