摘要：Description John is the only priest in his town. September 1st is the John's busiest day in a year because there is an old legend in the town that the 阅读全文

摘要：Description Katu Puzzle is presented as a directed graph G(V, E) with each edge e(a, b) labeled by a boolean operator op (one of AND, OR, XOR) and an 阅读全文

摘要：Description Up to thirty couples will attend a wedding feast, at which they will be seated on either side of a long table. The bride and groom sit at 阅读全文

摘要：Description Ratish is a young man who always dreams of being a hero. One day his friend Luffy was caught by Pirate Arlong. Ratish set off at once to A 阅读全文