How to specify a range for the branch value after case in the switch statement

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You can do this easily: Switch (a) {Case 0: Case 1: Case 2: printf ("lslksdjfl/N"); Case 3: Case 4: case 5: printf ("sdlfjsdlf/N"); default: printf ....}

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Can you use the if statement?

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All I know is that the switch does not have the if range limit.

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In this case, Case 0: Case 1: Case 2: Case 3: .. case 10: Default: Here is the case where> 10

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Then do not use the switch. All values can be ranges.
Each statement cannot have its limitations but must be flexible.

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Case can be followed by an expression, but you can leave the judgment condition outside. Why do you have to use a switch?