edX: - HarvardX: CS50x3 Introduction to Computer Science - week 3

Main functions, command line arguments and sorting  are covered . There are some fun examples of sorting here.

main with argv[] - array of strings
2 chunks of memory


./hello-3 Zamyla     with argv[1]
if no name  - null
argv[5000]  - segmentation fault - touched segment of memory we should not have

error checking   - argc==2
any number of arguments beside 2, program will exit

string - array of char
argv-1      This will print each argument, one per line 
argv-2    get the jth char in the string

sorting- bubble sort, selection sort, insertion sort





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