// archives

## Solutions 151 – 200

This category contains 11 posts

### Project Euler 172 Solution

Find how many 18-digit numbers (without leading zeros) there are such that no digit occurs more than three times in base 10.

### Project Euler 163 Solution

Find the number of triangles present in a cross-hatched triangle of size n.

### Project Euler 190 Solution

Maximizing a weighted product

### Project Euler 183 Solution

Project Euler 183: Find the maximum product of equal parts of a number and determine whether the that product is a terminating or non-terminating decimal .

### Project Euler 179 Solution

Find the number of consecutive integers pairs that have the same number of positive divisors.

### Project Euler 188 Solution

Find the last digits of a tetration calculation.

### Project Euler 174 Solution

Counting the number of “hollow” square laminae that can form one, two, three, … distinct arrangements.

### Project Euler 173 Solution

Using up to one million tiles find many different “hollow” square laminae can be formed.

### Project Euler 162 Solution

Find hexadecimal numbers containing at most 16 hexadecimal digits exist with all of the digits 0, 1 and A present at least once

RSA encryption