Write a substring method that accepts a string str and an integer idx and returns the substring contained between 0 and idx-1 inclusive. do not use any of the existing substring methods in the string, stringbuilder, or stringbuffer apis.

Type the correct answer in the box. spell all words correctly. which technology should andrea use? andrea owns a potato chips manufacturing unit. she has been getting complaints about the quality of the chips. she knows her product is good. she realizes that she needs to change the way the chips are packaged. she should use technology, which uses gases, such as carbon dioxide or argon, to create an air cushion, which improves the shelf life of products.

3. (5 points) describe what would be printed by the code below or what error would occur. const char* cstr = "0123456"; const char* ptr = & cstr[4]; cout < < ptr[-1] < < ptr < < endl; 1 4. (5 points) theseus has been trapped in a maze with a minotaur, which is trying to capture him. each round, theseus and the minotaur move through the maze; theseus towards the exit, and the minotaur towards theseus. theseus can move in any of the four cardinal directions, or he can wait for a round to see how the minotaur moves. write code that creates a data type to represent the possible moves that theseus could make.

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