Use vector of vector to print a matrix that takes the user input of rows and columns. The user o be from the input for the matrix (row*column has to be even and size has to be from 16 to 64). The format looks like this:

Can not look like this:

The program will display the symbols behind the numbered slots. Since there are 20 slots, Behind the numbers are randomly printed are alphabets A-Z, and addition 6 symbols are ( [ \ ] ^ _ `). If the symbols stored at those two slots are not identical, No Match is printed (as shown on the left). If the same symbol is stored in the two slots, the user will hear a bell (produced by \a) and see Match printed beneath the grid. Then after 3 seconds, the screen will be cleared, but when the screen is next shown the matched symbols will stay on the board had replaced the slot numbers. But if the two slot numbers have been both earlier revealed and are identical, the message Previously matched should be printed. The game proceeds until either the user finds all the pairs. And the last thing that is printed before the game ends is the message shown that indicated the amount of time in minutes and seconds that it took to find all the matches.

Language: c++

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