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应该hash法做此题1.输入共有n+1项字符串，分为长度1-80的组并在输入中组长递加，求各组长 2.第3组全部设为valid 3.从第4组开始到80组结束，若第k组能match k-1组中任意valid的项，该项也为valid 4.从第80组开始到3组结束，若其中有valid项输出，程序结束 Followed by: Post your reply here: |
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