https://www.chegg.com/homework-help/questions-and-answers/622-lab-swapping-variables-write-program-whose-input-two-integers-whose-output-two-integer-q41158363

https://www.chegg.com/homework-help/questions-and-answers/c-write-program-removes-spaces-given-input-input-hello-name-john-output-hellomynameisjohn--q25204030

https://www.chegg.com/homework-help/questions-and-answers/write-program-takes-input-positive-integer-outputs-string-1-s-0-s-representing-integer-bin-q28720703

https://www.chegg.com/homework-help/questions-and-answers/811-lab-count-characters-functions-part-1-please-complete-survey-week-7-survey-part-2-writ-q38259899