Question 20: How many prime numbers are there between-and all prime numbers are output.

/*************************************** ************************
* *** Auther: liuyongahui
* ***** Date:
* ** Language: C
**************************************** ***********************/
/*
Question 20: How many prime numbers are there between-and all prime numbers are output.
*/

# Include <stdio. h>

Int main ()
{
Int I;
Int j;
Int flag; // flag
Int num = 0; // count
Int a [100]; // stores prime numbers.

For (I = 101; I <200; I ++)
{
Flag = 1;
For (j = 2; j <= I/2; j ++) // The number of I division and 2-i/2 to verify whether it is a prime number.
{
If (I % j = 0) // if it can be integer, it is not a prime number.
{
Flag = 0;
}
}
If (flag)
{
A [num ++] = I;
}
}
Printf ("there are % d prime numbers, which are \ n", num );

For (I = 0; I <num; I ++)
{
Printf ("% d \ n", a [I]);
}
}