[Solved] How to find the lenght of the word in C++? [duplicate]

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If input is contained in a std::string you can find the length as stated by Ravi.
If it’s a C string you find the length with

int len = strlen(INPUT);

In C/C++ upper case is normally used for constants so it’s better to name the string input, not INPUT.

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solved How to find the lenght of the word in C++? [duplicate]