CS50 Assignment 3 (Match 3): A Match (3) Made in Heaven

This is my code for the assignment 3: "Match 3: A Match (3) Made in Heaven". These are timestamps for the following features: Code: 00:06 Time addition 00:22 Level 1 with simple flat blocks 01:12 Random shiny blocks 02:46 Only swap when it results in a match Demonstration: 04:12 Level 1 with simple flat blocks 04:16 Shiny match destroying a column 04:23 Only swap when it results in a match