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ZOJ - 3278 8G Island  8g Island has N boys and M girls. Every person has a "charm value". When a boy with charm value t1 and a girl with charm value t2 get together, their "8g value" is t1*t2. Ev

codeforces 792B - Counting-out Rhyme  n children are standing in a circle and playing the counting-out game. Children are numbered clockwise from 1 to n. In the beginning, the first child is co