Write a program to use enumeration type to represent the seven colors of the rainbow, i.e. red, orange, yellow, green, blue, indigo and violet, as the enumerators in sequence, and red starts from 1. Then, ask the user to choose a value between the range of 1 – 7. If the user enters 3, the output will tell the user yellow has been chosen, and also display the previous and next colors of the chosen colors. If the user enters 1 or 7, display the chosen color and only next/previous color is displayed accordingly. Write the program in an infinite while loop, until a number which is beyond the range of 1 – 7 is entered. The sample output is as follows, Enter a number in the sequence of the rainbow color (1-7): 7 Violet is chosen. The previous color is indigo. Enter a number in the sequence of the rainbow color (1-7): 1 Red color is chosen. The next color is orange. Enter a number in the sequence of the rainbow color (1-7): 3 Yellow is chosen. The previous color is orange and next color is green. Enter a number in the sequence of the rainbow color (1-7): 5 Blue is chosen. The previous color is green and next color is indigo. Enter a number in the sequence of the rainbow color (1-7): 4
Control structures
Control structures are block of statements that analyze the value of variables and determine the flow of execution based on those values. When a program is running, the CPU executes the code line by line. After sometime, the program reaches the point where it has to make a decision on whether it has to go to another part of the code or repeat execution of certain part of the code. These results affect the flow of the program's code and these are called control structures.
Switch Statement
The switch statement is a key feature that is used by the programmers a lot in the world of programming and coding, as well as in information technology in general. The switch statement is a selection control mechanism that allows the variable value to change the order of the individual statements in the software execution via search.
c++
Write a program to use enumeration type to represent the seven colors of the rainbow, i.e. red, orange, yellow, green, blue, indigo and violet, as the enumerators in sequence, and red starts from 1.
Then, ask the user to choose a value between the range of 1 – 7. If the user enters 3, the output will tell the user yellow has been chosen, and also display the previous and next colors of the chosen colors. If the user enters 1 or 7, display the chosen color and only next/previous color is displayed accordingly.
Write the program in an infinite while loop, until a number which is beyond the range of 1 – 7 is entered. The sample output is as follows,
Enter a number in the sequence of the rainbow color (1-7): 7
Violet is chosen. The previous color is indigo.
Enter a number in the sequence of the rainbow color (1-7): 1
Red color is chosen. The next color is orange.
Enter a number in the sequence of the rainbow color (1-7): 3
Yellow is chosen. The previous color is orange and next color is green.
Enter a number in the sequence of the rainbow color (1-7): 5
Blue is chosen. The previous color is green and next color is indigo.
Enter a number in the sequence of the rainbow color (1-7): 4
Green is chosen. The previous color is yellow and next color is blue.
Enter a number in the sequence of the rainbow color (1-7): 0
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