Answer Posted / jayanth kothapalli

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,c;
clrscr();
Printf("Enter Two numbers:");
scanf("%d,%d",&a,&b);
c=-(-a-b);
printf("sum is = %d",c);
getch();
}

FORMATTED INPUT/OUTPUT functions are a) scanf() and printf() b) gets() and puts() c) getchar() and putchar() d) all the above

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