sintak input dan out put
#include<stdio.h>
main()
{ int c;
while ((c=getchar()) !=EOF)
putchar(c);
}
increment
#include<iostream.h>
#include<conio.h>
#include<stdio.h>
#include<math.h>
main ()
{ int b,a;
for (a=20;a<=50;a++)
for (b=20;b<=50;b++)
printf("10+%d=%d\n",a,b);
}
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