题目内容

Placing the appropriate #include statement at the top of the program ensures proper access to the library functions whose prototypes are contained in the header file.

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The rand() function produces a series of random numbers in the range 0 < rand() < RAND_MAX, where the constant RAND_MAX is a compiler-dependent symbolic constant that is defined in the stdlib.h header file.

Random numbers are a series of numbers whose order cannot be predicted.

Pseudorandom numbers are numbers which are not really random, but are sufficiently random for the task at hand.

The value of an expression can be explicitly converted into another type using the cast operator.