The following are three questions on a practice examination for Computer Science 102. I need help not only getting the answer but i need careful explanations and work shown for each of the three problems because some of these are "trick" questions:

SHOW YOUR WORK AND LOGIC

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1 point Given a vector of integers called "myvec" of 15 elements, add 5 more elements, each with the value 1234 using one statement. The total size of the vector must be 20 after your code executes. type your answer... 1 point Type the C++ statement to declare a variable named "gender" and initialize it to the character g. type your answer... 21 1 point Given a vector of strings called "v", write the code that will increase the size of the vector by 1 and add the element "Hello World" to the bottom of the vector in one statement type your