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Description: Suwoong is organizing a food fight competition every month where participants have to eat the given food quickly. In this competition, the players compete against each other one-on-one, and the type and quantity of food change with each match. The competition proceeds by arranging the prepared food in a row, with one player starting from the left and eating the food from left to rig..

Description Running races are held every year in Jan. Commentators call the name of the player who overtook them when they overtake the player right in front of them. For example, when the first to third-place "mumu," "soe," and "poe" players were running in order, the second-place "soe" player overtook the first-place "mumu" player if the commentators called the "soe." This means that the "soe"..

Description In the string "hello", push each character one space to the right and move the last character forward to become "ohell". If you define this as pushing a string, complete the solution function so that given the strings A and B as parameters, you have to push A to return the minimum number of times that you have to push B if you can, and push B to return -1 if you can't. Restrictions 0..