CNoodle

摘要： You have an array arr of length n where arr[i] = (2 * i) + 1 for all valid values of i (i.e. 0 <= i < n). In one operation, you can select two indices 阅读全文

摘要： There are n oranges in the kitchen and you decided to eat some of these oranges every day as follows: Eat one orange. If the number of remaining orang 阅读全文