第二次作业
#include<stdio.h> main() { int a=5; int b=7; printf("%d %d\n",a,b); }
#include<stdio.h> main() { float a=5.3; double b=6.53; printf("%f %lf\n",a,b); }
#include<stdio.h> main() { char cl='A'; printf("%c--%d\n",cl,cl); }
#include<stdio.h> main() { int a=6; float b=7.68; printf("%d\n",a+(int)b); }
#include<stdio.h> main() { int a,b,c; a=5; b=7; c=a; a=b; b=c; printf("%d %d \n",a,b); }
#include<stdio.h> main() { int length,width,area,c; printf("请输入长和宽用空格分开"); scanf("%d %d %d",&length, &width); area=length*width; printf("面积是%d",area); c=2*(width+length); printf("周长是%d",c); }