<ul><li>In C/C++, the 'return 0;' statement is used to signal that the program has completed its execution successfully.</li><li>The number 0 in 'return 0;' acts as a special value sent back to the operating system or environment to indicate successful completion.</li><li>Returning 1 or any non-zero number in C/C++ typically indicates that something went wrong during the program's execution.</li><li>The return value of 0 or non-zero can be checked by scripts or other programs to determine the next course of action.</li></ul>

return 0 in C/C++ — A Beginner’s Question That Deserves a Real Answer

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