Let the user input positive number n, and symbol to use. The number of symbol is 1 for the first row, and is increased by 1 for each new row. After the number of symbol arrives n, decrease it by 1 until it is 1.

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Q: -13 14 5 11, H 7 12 12 W 10 M 11

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Variables and Constant

Constants and variables are widely used in mathematical equations and expressions. They are also commonly found in the domain of programming, where each language has its own way to differentiate between a constant and a variable. Since they have all sorts of applications, knowing their differences is a good place to start.