2905. 背单词
#2905. 背单词
题目描述
给定一张包含N个单词的表，每个单词有个价值W。要求从中选出一个子序列使得其
中的每个单词是后一个单词的子串，最大化子序列中W的和。
输入格式
第一行一个整数TEST，表示数据组数。
接下来TEST组数据，每组数据第一行为一个整数N。
接下来N行，每行为一个字符串和一个整数W。
输出格式
TEST行，每行一个整数，表示W的和的最大值。
数据规模
设字符串的总长度为Len
30.的数据满足，TEST≤5，N≤500，Len≤10^4
100.的数据满足，TEST≤10，N≤20000，Len≤3*10^5
样例
样例输入
1
500
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542
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aabbbbabbbbaaaababbbbbabaaaabbaaababaababaaaaaabaaabaabbbbbbbabbabbbabbabaaaabaabbbbabbbbbbbbaaaaabababbbabbaaababbaaaaababbbabbababaaaab 535
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a 310
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a 284
a 384
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b 781
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a -650
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a 64
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a -311
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a 587
b 317
a -629
a -455
b -608
a -206
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a -185
a 622
a -374
b -60
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a 587
b 223
a 512
a 690
b 428
a 269
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b 245
a 882
a 645
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b 66
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b 264
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a -247
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a 463
b 491
a -387
a -654
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a -76
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a 293
a -209
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a 269
b 849
a 894
b 697
a 605
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a -786
a 780
a 178
b -816
b 575
b -818
a 556
b 683
a -270
b 471
b -39
a -971
a 667
a 123
a 274
a -45
a 751
b -648
a 885
b -10
a -915
a 225
b -684
b -560
a -770
样例输出
63212