This challenge is about displaying user's tweets. Write two versions of program that prompts user to input tweet, the format and display it. (one with 140 characters long limit and one with 280 characters long limit) Rules: Formatting: 1. If there's any usernames (beginning with @ character) ...

Introduction Long ago, when I used to code card games with usual playing cards, I used to specify a number for each card and call a function with some number to get a card. This somewhat inspired me to make this challenge. So for people unaware of the playing cards, a deck of cards consist of ...

Suppose I have a linear inequality like x_0A_0+x_1A_1+...+x_nA_n <= C With x_i a non-zero positive integer and A_i & C a positive non-zero multiple of 0.01. Find all the positive integer n-tuples {x_i,...,x_n},{y_i,...,y_n},...,{z_i,...,z_n} such that: D <= x_0A_0+x_1A_1+...+x_nA_n <= C Where...

code-golf Introduction Humans are a remarkable species, but we can be very awkward to understand sometimes—especially for computers. In particular, we seem to like writing polynomials in a very convoluted fashion with seemingly arbitrary rules. What is the shortest program you can write to f...