Detailed explanation of plastic data overflow in C language; Integers with large absolute values are stored in the unsigned integer variable a 1. The original number is positive, and the original number is 16 times 2 (that is, 65536). The meaning of the model is very clear.

Take the clock as an example. The total number of squares in a watch is 12. If it is now 16, you can take the remainder of 12 and get 4, which is 4 pm. Here, 12 is the module and 4 is the remainder. I suggest you have a look:/blog/static/16374979220112692514859/