Interested to Buy Any Domain ? << Click Here >> for more details...
hello sir,is there any function in C that can calculate number
of digits in an int type variable,suppose:int a=123;
3 digits in a.what ll b answer?
- 6 Answers
- 8894 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / muni
I am sorry the previous answer is for different question.
For your question the answer is ver simple.
use sprintf and strlen.
char str[10];
sprintf(str,"%d",number)
number of digits = strlen(str);
| Is This Answer Correct ? | 10 Yes | 1 No |
Answer / ramesh
int countDigits(number)
{
if (number==0)
return 0;
else
return 1 + countDigits(number%10);
}
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / devendra
Answer #2 is right we can also use atoi() and itoa() function.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / arti sharma
void main()
{ int num,i,count=0;
printf("enter a no");
scanf("%d",&num);
while(num!=0)
{ count=count+1;
i=num%10;
num=num/10;
}
printf("count=%d",count);
getch();
}
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / sreejesh1987
Small change to Ramesh's answer.
I got answer when i done like this.
int countDigits(number)
{
if (number==0)
return 0;
else
return 1 + countDigits(number/10);//change % to /
}
| Is This Answer Correct ? | 0 Yes | 1 No |
Answer / muni
There is no function to calculate the number of bits. But
there is a very simple logic for calculating it.
int count = 0;
While( num!=0 )
{
count++;
num = num & (num-1);
}
| Is This Answer Correct ? | 1 Yes | 9 No |
Write a C function to search a number in the given list of numbers. donot use printf and scanf
how to test pierrot divisor
Write a complete program that consists of a function that can receive two numbers from a user (M and N) as a parameter. Then print all the numbers between the two numbers including the number itself. If the value of M is smaller than N, print the numbers in ascending flow. If the value of M is bigger than N, print the numbers in descending flow. may i know how the coding look like?
char inputString[100] = {0}; To get string input from the keyboard which one of the following is better? 1) gets(inputString) 2) fgets(inputString, sizeof(inputString), fp)
int main() { int x=10; printf("x=%d, count of earlier print=%d", x,printf("x=%d, y=%d",x,--x)); getch(); } ================================================== returns error>> ld returned 1 exit status =================================================== Does it have something to do with printf() inside another printf().
How to palindrom string in c language?
Program to find the largest sum of contiguous integers in the array. O(n)
Given an array of characters which form a sentence of words, give an efficient algorithm to reverse the order of the words (not characters) in it.
main() { printf("%x",-1<<4); }
main() { char a[4]="HELLO"; printf("%s",a); }
write a c program to Create a mail account by taking the username, password, confirm password, secret_question, secret_answer and phone number. Allow users to register, login and reset password(based on secret question). Display the user accounts and their details .
C statement to copy a string without using loop and library function..
C Code 
