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C programs QnA

Q. If sum of two integer is 14 and if one of them is 8 then find other integer. Ans: Well, this is very simple. Simply, one integer is 8 and sum of two integers is 14. So, we need to subtract the number 8 from their sum of 14 to get the second number. So, the second number is: 14 - 8 = 6 C-Program of this task Code---> #include<stdio.h> int main () { int num1 = 8 , num2 , sum = 14 ; num2 = sum - num1 ; printf ( "The second number is: %d" , num2 ); return 0 ; }
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Calculate the Size of a File in C-Language



In this C program we will calculate the Size of a text-file(.txt). Then, we will print the Size of the File in bytes.

input:

NULL

output:

The Size of the text-file(.txt) will be printed on the screen in bytes.

CODE---->


#include<stdio.h>
int main()
{
 FILE *fp;
 long int p;
 fp=fopen("My File.txt", "r");
 fseek(fp,0,SEEK_END);
 p=ftell(fp);
 printf(" The Size of the File is : %ld bytes.",p);
 return 0;
}

N.B. : In this C-Program the used text-file(.txt) and the C-Program file was stored in the same directory or path. So, if you want to open the text-file(.txt) stored in any other directory, path or folder, then, you have to declare the whole path or directory in the program.(i.e : fp=fopen("C:\\Users\\ADMIN\Desktop\\...the directory...\\file_name.txt")). The directory of a text-file(.txt) can be found by it's Property.
Don't just read, write it, run it.....

RESULT:


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