第二次作业
#include<stdio.h>
main(){
int a=2;
int b=6;
printf("%d%d\n",a,b);
}
#include<stdio.h>
main()
{
float m=1.23;
double n=4.56;
printf("%f%lf\n",m,n);
}
#include<stdio.h>
main()
{
char cl='E';
printf("%c--%d\n",cl,cl);
}
#include<stdio.h>
main()
{
int a=6;
float b=7.68f;
printf("%d\n",a+(int)b);
}
#include<stdio.h>
main()
{
int a=1;
int b=6;
int c;
c=a;
a=b;
b=c;
printf("%d\n%d\n",a,b);
}
#include<stdio.h>
main()
{
float a,b,C,S;
scanf("%f",&a);
scanf("%f",&b);
C=(a+b)*2,S=a*b;
printf("%f%f",C,S);
}
#include<stdio.h>
main()
{
int a;
float b;
char c;
scanf("%d%f%c",&a,&b,&c);
printf("%d\n%f\n%c\n",a,b,c);
}
#include<stdio.h>
main()
{
char a,b;
scanf("%c%c",&a,&b);
printf("%c%c\n",a,b);
}
#include<stdio.h>
#define PI 3.14
main()
{
float h,r,v;
scanf("%f%f",&r,&h);
v=PI*r*r*h;
printf("%.2f\n",v);
}
#include<stdio.h>
main()
{
int a,b,c,S;
printf("\n");
scanf("%d",&S);
a=S/100;
b=(S/10)%10;
c=S%10;
printf("%d%d%d\n",a,b,c);
return 0;
}
#include<stdio.h>
main()
{
char ch;
scanf("%c",&ch);
printf("%c\n",ch-32);
}