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分成两组， 分别convexhull, 每组节点数m1, m2, 然后m1*m2的暴力算法居然可以875MS过m1*m2的暴力枚举感觉可以优化成m1+m2, 毕竟已经是两个convexhull了， 或者min(m1log(m2), m2log(m1))， AC了，感觉一下子没动力了。。。 Followed by: Post your reply here: |
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