how to determine the number assigned to each letter in a cryptarithm?

I have an assignment that needs to solve a cryptarith开发者_如何学Cm. But I cant understand the algorithms that I saw in the internet. Could anybody explain how to do this in simple words?As a general

Condense list into string : ['z','y','x'...] -> 'zyx...' ? Python (2.7.1)

If I have list=\'abcdedcba\' and i want: a=z, b=开发者_JS百科y, c=x, d=w, e=v so it would translate to:

capital letters 百度云？

Using php to increment letters while cycling through capitilisations

I am working on a project where I need to cycle through let开发者_如何学编程ters something like this: a,A,b,B...z,Z,aa,Aa,aA,AA,bb...zz,ZZ... in PHP.

Project Euler Problem 17 - What's wrong?

I decided to try project euler problem 17 today, and I quickly wrote a pretty fast code in C++ to solve it. However, for some reason, the result is wrong.

How to validate username using regexp?

How validate username using regexp ? For English letters, Numbers and spaces I am usi开发者_JS百科ng :

Bash script to find the frequency of every letter in a file

I am trying to find out the frequency of appearance of every letter in the english alphabet in an input开发者_开发问答 file. How can I do this in a bash script?My solution using grep, sort and uniq.

What is the best way to match only letters in a regex?

I would really like to use \\w but it also matches underscores so I\'m going with [A-Za-z] which fee开发者_如何学Pythonls unnecessarily verbose and America centric. Is there a better way to do this? S

Lowercase letters tail height (g, j, p, q, y)

This question is a little bit odd.I have to make sure of the distance between letters above and below.Now when calculating a letter height in Pixel, say font size = 14px does this mean my alloted pixe

Function calculating the probability of a letter in an sentence

I have a function that is supposed to calculate the number of times a letter occurs in a sentence, and based on that, calculate the probability开发者_JS百科 of it occurring in the sentence. To accompl