Answer Posted / valli

//using recursion
fact(int);
main()
{
int n;
printf("enter n");
scanf("%d",n)
if(n<0)
printf("invalid number");
else
printf("factorial of %d =%d",n,fact(n));
}
fact(int n)
{
if(n==0||n==1)
return 1;
else
return n*fact(n-1);
}

How to implement a packet in C

2870

---

Write a c program to demonstrate character and string constants?

2169

---

How is a macro different from a function?

1155

---

What is local and global variable in c?

1179

---

Explain the difference between the local variable and global variable in c?

1057

---

What are header files in c?

1058

---

Which function in C can be used to append a string to another string?

1204

---

What is a double c?

966

---

Explain how do you use a pointer to a function?

1093

---

how to print the character with maximum occurence and print that number of occurence too in a string given ?

2448

---

Difference between strcpy() and memcpy() function?

1119

---

What does calloc stand for?

1147

---

Should I learn c before c++?

1213

---

What is %s and %d in c?

1023

---

Apart from dennis ritchie who the other person who contributed in design of c language.

1380

---