Answer Posted / vignesh1988i

#include<stdio.h>
#include<conio.h>
#include<string.h>
int fun(char *,int);
void main()
{
long int c,l;
char a1[20];
printf("enter the numerical string :");
scanf("%s",&a1);
l=strlen(a1);
c=fun(a,l);
printf("\n%ld",l);
getch();
}
int fun(char *a,long int l1)
{
long int a1[]=
{1,10,100,1000,10000,100000,1000000,10000000,100000000},c;
int p=a1[l1-1],c=0;
for(int i=0;a[i]!='\0';i++)
{
y=((int)a[i])*p; /*TYPE CASTING*/
c=c+y;
p=p/10;
}
return c;
}

Why is c faster?

802

---

What's the difference between constant char *p and char * constant p?

928

---

How many levels of pointers can you have?

962

---

What is declaration and definition in c?

784

---

why return type of main is not necessary in linux

1912

---

What are the different types of control structures?

826

---

What is data structure in c language?

868

---

What is the difference between memcpy and memmove?

805

---

Given two strings S1 and S2. Delete from S2 all those characters which occur in S1 also and finally create a clean S2 with the relevant characters deleted.

1169

---

Explain how can I remove the trailing spaces from a string?

848

---

Write a program to know whether the input number is an armstrong number.

937

---

In c programming language, how many parameters can be passed to a function ?

906

---

Why we use void main in c?

878

---

How can I change the size of the dynamically allocated array?

922

---

What is the difference between c and python?

852

---