.如果从键盘输入3,4,则以下程序的运行结果是___。答:include <stdio.h>void main( ){ int x,y,t;scanf("%d,%d",&x,&y);t=x; x=y; y=t;printf("x=%d,y=%d\n",x,y);//输出 x=4,y=3 }
执行下列程序时,若从键盘上输入数据: 123 678 ,它的运行过程是怎样的...答:void main(){ char c1,c2,c3,c4,c5,c6;scanf("%c%c%c%c",&c1,&c2,&c3,&c4); //读得'1','2','3',' 'c5=getchar(); //读得'6'c6=getchar(); //读得'7'putchar(c1); //输出'1'putchar(c2); //输出'2'printf("%c%c\n",c5,c6); //输出...