
A.Cards统计一下z和o的个数[crayon-69522d8bb1daa574263132/]B.MultiplicationTable取第一行的gcd,则a1一定是gcd的约数再取一个M23,确定一下a1[crayon-69522d8bb1db9794775019/]C.SubstringGameintheLesson先手可以直接转移到左边的最小字符[crayon-69522d8bb1dc3368496889/]D.AlexandJulian按每个数的2的因子数分类,只有2的因子数相同的才能共存选择最多数的一类[crayon-69522d8bb1dca747681996/]E.Tourism按起...

凸包A:WallPOJ1113求凸包周长加一个圆[crayon-69522d8bb2cfb125359712/]B:ScrambledPolygonPOJ2007排序凸包上的点[crayon-69522d8bb2d06743283443/]动态规划G题真的坑A:Fourier’sLinesPOJ1923[crayon-69522d8bb2d0b756912369/]B:TourPOJ2677[crayon-69522d8bb2d10241604685/]C:IncreasingSequencesPOJ1239[crayon-69522d8bb2d18572633853/]D:Charlie’sChangePOJ1787[crayon-69522d8bb2d1f401...
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