Answer Posted / tutu

#include<stdio.h>
#include<conio.h>
int main()
{
int mul(int,int);
int n1,n2,f=1,ans;
while(f==1)
{
printf("\n***MULTIPLICATION OF TWO NATURAL
NUMBERS***");
printf("\nEnter Two Numbers: ");
scanf("%d %d",&n1,&n2);
if(n1<=0||n2<=0)
{
printf("\nInvalid Choice...");
printf("\nDo You Want To Try
Again...\n1.Yes\n2.No");
scanf("%d",&f);
}
else
{
printf("\nAns = %d",mul(n1,n2),"\n");
printf("\nDo You Want To
Continue:\n1.Yes\n2.No\n");
scanf("%d",&f);
}
}
}
int mul(int a,int b)
{
return((b-1)*a+a);
}

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