A.if(x>y&&x!=y);
B.if(x==Y)x+=y;
C.if(x!=y)scanf("%d",&x) else scanf("%d",&y);
D.if(x<y){x++;y++;}
A.if(x>y);
B.if(x=y)&&(x!=0)x+=y;
C.if(x!=y)scanf("%d",&x); else scanf("%d",&y);
D.if(x<y){x++;y++;}
A.scanf("%d%1x,%1e",&x,&y,&z):
B.scarlf("%2d,%d%f",&x,&y,&z);
C.scanf("%x%*d%o",&x,&y);
D.scanf("%x%o%6.2f",&x,&y,&z);
A.scanf("%d,%f",&x,&y); printf("\nx+y=%4.2f",x+y):
B.scanf("%d%f",&x,&y); printf("\nx+y=%4.2f",x+y);
C.scanf("%d%f",&x,&y); printf("\nx+y=%6.1f",x+y);
D.scanf("%d%3.1f",&x,&v); printf("\nx+y=%4.2f",x+y);
设x和y均为int型变量,则以下for循环中的scanf语句最多可执行的次数是_____。
for (x=0,y=0;y!=123&&x<3;x++)
scanf ("%d",&y);
想通过以下输入语句给x赋值2,给y赋值3,则输入数据的形式应该是______。 int x,y; scanf("x=%d,y=%d",&x,&y);
理解下面的程序,填空完善程序。 main() { int a,b,c; scanf("%d%d", 【 】); c= 【 】 (a,b); printf("a=%d b=%d max=%d\n",a,b,c); } int max(x,y) 【 】 ; { int z; if(x>y) z=x; else z=y; 【 】 ; }
A.0
B.22
C.12
D.10
有以下程序 int sub(int n){retnrn(n/10+n%10);} main() {int x,y; scanf("%d",&x); y=sub(sub(sub(x))); printf("%d\n",y); } 若运行时输入:1234<回车>,程序的输出结果是______。