May

31

## APL Hacking: Project Euler (#30)

I figure it's about time I posted another Project Euler.Problem #30: ∇Z←PETHIRTY;M [1] ⍝ Find the

May

31

I figure it's about time I posted another Project Euler.Problem #30: ∇Z←PETHIRTY;M [1] ⍝ Find the

May

10

In my last post I attempted to solve the Send + More = Money Cryptarithmetic problem. I didn't quite understand

2 min read

May

08

After talking with Prof. Friedman, he gave me an interesting constraint problem. This is a well known example of a

1 min read

May

04

Problem #29:∇Z←PETWENTYNINE;⎕IO ⎕IO←1 ⍝ Compute the cardinality of the set ⍝ {a*b | 2≤a≤100 ^ 2≤b≤

May

02

Problem #28:Z←PETWENTYEIGHT ⍝ Sum of the diagonals of a 1001 by 1001 spiral Z←+/+1,4/2×⍳500 This

Apr

19

Problem #27:∇Z←PETWENTYSEVEN;A;B;X;P ⍝ Find the product of the coefficients A and B ⍝ that have the

1 min read

Apr

17

Problem #26:∇Z←CYCLE∆LENGTH N;A;I;R ⍝ Find the length of the cycle of 1÷N. Z←0

1 min read

Apr

16

Problem #25:∇R←PETWENTYFIVE;I;A;X;⎕IO;B;D ⎕IO←1 ⍝ What is the first fibonnacci term to contain

Apr

13

Problem #24:∇R←PETWENTYFOUR;N;A;I ⍝ Compute the 1,000,000th Lexicographic Permutation of ⍝ 0 through 9. N←10

1 min read

Apr

10

Problem #23:∇R←PETWENTYTHREE;ABDP;N;X ⍝ Find the sum of all the positive integers ⍝ which cannot be written as

1 min read