CS50x 2021 ? Introduction to Computer Science - Problem Sets Academic Honesty Problem Set 0: Scratch ?? Lab 1: Population Growth Problem Set 1: C hello mario ?? less more cash credit Lab 2: Scrabble Problem Set 2: Arrays readability caesar substitution Lab 3: Sort Problem Set 3: Algorithms plurality runoff tideman Lab 4: Volume ?? Problem Set 4: Memory filter ??? less more recover Lab 5: Inheritance Problem Set 5: Data Structures speller Lab 6: World Cup ? Problem Set 6: Python ?? hello mario less more cash ?? credit ?? readability dna Lab 7: Songs:notes: Problem Set 7: SQL movies ?? fiftyville Lab 8: Trivia Problem Set 8: Homepage Lab 9: Birthdays ?? Problem Set 9: Finance ??