• Write a C++ code that allows a username to: inside of a textbox textbox 1. Enter their username 2. Enter a password in a 3. When completed, the user can click a "sign in" box 4. Once the user clicks the sign-in box, a notification should pop up and say "Successful sign-in."

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A: We are going to understand what header file must be included in a C++ application to utilize the…

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A: source code

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Q: Which header file has to be included in a C++ application in order for the string manipulation…

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A: If all are integer value, the result will be integer and to make it precise, use float value for 100

Q: in C++ PLEASE #include #include #include #include #include #include #include #include…

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A: Your question is about the types of keywords in c++. Let's indefinite the all

Q: string is a reserved word in C++ True False

A: Correct Answer: False

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A: Here is the c++ code. See below step for code.

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A: Start Input Radius Calculate Area=3.14*radius*radius Print Area Stop

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A: Hello Student. Greetings from my side. Hope you are doing great. I will try my best to answer your…

Q: To use the string manipulation functions, which header file must be included in a C++…

A: Introduction String manipulation routines are executed with the help of a header file.The program's…

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