一群小孩围成一圈，任意假定一个数m,从第一个小孩数起，顺时针方向数，每数到第m个小孩，该小孩便离开。小孩不断离开，圈子不断缩小，最后剩下一个胜利者。胜利者是谁呢？ -Group of children form a circle, any assumption of a number m, the number of children starting from the first, clockwise direction number, each number to m a child,