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Practice problems

Problem → Examples → Hints → Write pseudocode → Run → Trace → Test → Explanation. Pick a topic and a difficulty, and go!

Easy Count from 1 to N TAKE N and DISPLAY every number from 1 to N, one per line. #Loops Medium Count the digits TAKE a positive whole number N and DISPLAY how many digits it has. #Loops Medium Factorial TAKE N and DISPLAY N! (1 × 2 × … × N). #Loops Easy Multiplication table TAKE N and DISPLAY its table from 1 to 5 in the form N x I = ANSWER. #Loops Hard Reverse a number TAKE a positive whole number N and DISPLAY its digits reversed (1234 → 4321). #Loops Easy Sum of 1 to N TAKE N and DISPLAY the sum 1 + 2 + … + N. #Loops