C++ quiz

Question #73: If you have an array of characters allocated with new. Which of the following is the best way to modify the size of the array? 70% on 748 times asked
	Use the realloc function from libc
	Delete the existing array, then allocate a new array and copy the data from the old array to the new array
	Allocate a new array, copy the data from old array to the new array and then delete the old array
	It is not possible to do such an operation in C++

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