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);

Answer / ramesh

int countDigits(number)
{
if (number==0)
return 0;
else
return 1 + countDigits(number%10);

}

Answer / devendra

Answer #2 is right we can also use atoi() and itoa() function.

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();
}

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 /

}

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);
}

what is oop?

3 Answers  

Give a very good method to count the number of ones in a 32 bit number. (caution: looping through testing each bit is not a solution)

7 Answers   Microsoft,

what will be the position of the file marker? a: fseek(ptr,0,SEEK_SET); b: fseek(ptr,0,SEEK_CUR);

2 Answers  

struct Foo { char *pName; }; main() { struct Foo *obj = malloc(sizeof(struct Foo)); clrscr(); strcpy(obj->pName,"Your Name"); printf("%s", obj->pName); } a. Your Name b. compile error c. Name d. Runtime error

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how to print 1 2 3 4 5 6 7 8 9 10 9 8 7 6 5 4 3 2 1 using any loop(for or while) only once(only 1 loop) and maximum 2 variables using C.

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#define a 10 void foo() { #undef a #define a 50 } int main() { printf("%d..",a); foo(); printf("%d..",a); return 0; } explain the answer

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main() { int i=0; for(;i++;printf("%d",i)) ; printf("%d",i); }

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A program that will create a movie seat reservation. The program will display the summary seats and its status. The user will be ask what seat no. to be reserved, then it will go back again to the summary to display the updated seat status. If the seat no. is already reserved then it will prompt an error message. And also if the input seat no is out of range then it will also prompt an error message. The program is continuously running. Termination of the program will depends on how the programmer will apply. Sample output: Movie Seats Reservation Summary of Seats: Seat 1: Available Seat 2: Available Seat 3: Available Seat 4: Available Seat 5: Available Enter seat no. (Press 0 to terminate Or the assigned seat capacity) : 1 Movie Seats Reservation Summary of Seats: Seat 1: Reserve Seat 2: Available Seat 3: Available Seat 4: Available Seat 5: Available Enter seat no. (Press 0 to terminate Or the assigned seat capacity) : 6 The Seat no. is out of range! Movie Seats Reservation Summary of Seats: Seat 1: Reserve Seat 2: Available Seat 3: Available Seat 4: Available Seat 5: Available Enter seat no. (Press 0 to terminate Or the assigned seat capacity) : 1 The Seat no. is already reserved! Movie Seats Reservation Summary of Seats: Seat 1: Reserve Seat 2: Available Seat 3: Available Seat 4: Available Seat 5: Available Enter seat no. (Press 0 to terminate Or the assigned seat capacity) : 0 GoodBye... Thank You!!!

0 Answers  

main() { int c[ ]={2.8,3.4,4,6.7,5}; int j,*p=c,*q=c; for(j=0;j<5;j++) { printf(" %d ",*c); ++q; } for(j=0;j<5;j++){ printf(" %d ",*p); ++p; } }

2 Answers   CSS, Wipro,

respected sir, i did my MCA in 2013 when i am going to attend to an interview i was asked about my project how will i explain my project could please help me in this and my project title is "Social Networking Site For Social Responsibility"

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union u { struct st { int i : 4; int j : 4; int k : 4; int l; }st; int i; }u; main() { u.i = 100; printf("%d, %d, %d",u.i, u.st.i, u.st.l); } a. 4, 4, 0 b. 0, 0, 0 c. 100, 4, 0 d. 40, 4, 0

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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 .

2 Answers