Console not displaying certain charactersYou probably created the quote.txt file with a program, non dos command.
Change your quote to read:...
Access violationYou would see that if the program is currently running. Close all windows.
how to stop infinite loopIt's not a problem with the code, what are you entering for mass ?
Need help with programwhich part can no one get ?
your sudo code would be
if num1 > num2 & num3
if num2 > num3
num1 num2 ...
Euler Method for DNA assemblyThis should fix your typo's