/*#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}
#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a+b);
return 0;
}
#include <stdio.h>
int main()
{
float a,b;
scanf("%f %f",&a,&b);
printf("%.2f",a*b);
return 0;
}
#include <stdio.h>
int main()
{
int a,b,c;
scanf("%d %d %d",&a,&b,&c);
printf("%d\n",a+b+c);
printf("%.1f",(a+b+c)/3.0);
return 0;
}
정수
int %d
실수
float %f
문자
char %c
+ - * / %
#include <stdio.h>
int main()
{
char c;
scanf("%c",&c);
printf ("%c",c+1);
return 0;
}
#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a/b);
return 0;
}
10/3 3
10.0/3 3.33333
#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d\n",a+b);
printf("%d\n",a-b);
printf("%d\n",a*b);
printf("%d\n",a/b);
printf("%d\n",a%b);
printf("%.2f\n",(float)a/b);
return 0;
}
*/