# C Exercises: Find the product xyz

## C Programming Challenges: Exercise-25 with Solution

A Pythagorean triplet is a set of three natural numbers, x < y < z, for which,

x^{2} + y^{2} = z^{2}

For example, 3^{2} + 4^{2} = 9 + 16 = 25 = 5^{2}.

There exists exactly one Pythagorean triplet for which x +y + z = 1000.

Write a C program to find the product of xyz.

**C Code:**

```
#include <stdio.h>
#include <stdio.h>
int main(void)
{
int x, y;
for (x = 1; x <= 333; x++) {
for (y = x; y <= 666; y++) {
int z = (1000 - x - y);
if (x*x + y*y == z*z) {
printf("Numbers are: %d, %d, %d ", x, y, z);
printf("\nProduct of x, y, z is : %d", x * y * z);
}
}
}
return 0;
}
```

Sample Output:

Numbers are: 200, 375, 425 Product of x, y, z is : 31875000

**Flowchart:**

## C Programming Code Editor:

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**Previous C Programming Exercise:** Numbers with 13 adjacent digits have highest product.

**Next C Programming Exercise:** Find the sum of all the primes below ten thousand.

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