背单词

时间限制:10s      空间限制:128MB

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


样例输入

1
500
baababaaabbbabbbaaaabbbbaaabbbbabaabbababbabaabbbbabbaabbabbbabbabbabbaaaaabbbbabaaabaabaaaaabbbabaaabbaaaabbbaabbbaabbbaabbbbbabaaaabbabbbaaaabbaaaaaaababbbaaaaaabbbabbbbbbaabaababbabbbbaaabababbbbbabbabaaaaabbabababaabbbbabbabaabbbaaababbbabbaaabbbbaabbabbbaaabbbaababbbbbaababbaaaabbbbbabaababbbaabbbaaabaabbbbaaaaabbbbabaabbbaaaaaabaaababaaabbabbabaaaabbbaabaabbbbbbaababaababaaaaabaabaabaaaaaabaaabbaabababbabaaabbababaaabbbaabbbabbbababbbbbbaaabbbaababbbbbbababbaabbbbbaaaabbaabaabbbabbabaababbababaaabaaaababaaabbbbaaabbabbbabaabbabababbaaabaabaaaaabbbabbaaabbaababbaaaaaabaabbaababbbbabbaabaabaaaaabaabaabbbaabbbabaabbabbaaaabababbaaabbbaabababaabbababaaabaabaaaabbbabababbbbbabaaaabbabbbbaaaabbbaaaaaaababaaaabababaababbaaabababaabbabbbbaaabaabababbaaaaabbbaabbababaaaabbababaaaababbaabbbbabbbbaababbbbaaabaaabbbbaabaaabaabaabbbbaaaabaaabbbbbbbaabbabbaaaabbbbabbaabaaaaaabbabbbabaabbaabaaababbbaababaaaabbabbbbbbabbaaababbaaabaaabbaaaabbbabaabaaababaabababbbbbaaabbaaababbaaaaabbbbaabbabaabbbbbbbabbbababaabaabbbabaabaabbabaabbaaaaaaaabaaaaabbabaaababbabaabbaababbbbbbbbaaabbaaaababbabaabaabbbabbabaabbabbabbabbbabbbbbababbbabbbbaaaaaaaaabbbaaababbbbababaaaabbabbbbbbbaabababbaaaababbababaaaaaaabababbaabbababbaabbaaabaaabbaaaaabababbbabbbaaaaaabbbbaabaaabaababbaababbbaaaaaababbabaaaabbbababbaababaaaaabbabbbabbababbabaaaaaaaabbbbbabbaaaababbbaabaaabaaabbabbaaaaabaabbbbbbbabaabbbaabaaaabaabbabbababaabbaabbbbbaaaaaaabbbabaaaaaaaabaabbabaabbabbabbbbbaabaabaaabaabbaabaaaaabbbbbbbaabbbbaaaabbbababaababbbabaaababaabaabaababaaababbbbababaabbababbaabbbaabbbaaabbabababaabbabaabbbbaaaababbaabbabaaaaabbabbbbabbabaaaabaabbabbbabbbbabbababaabbabaabbbbbbbbabbbabbbabaabbaabaabaababbbbabaaababaaababbabbabaaaabaaabaaaababbabbbbbabaaabbaabababbbbaaabbbbbaaabaabaaaabbbaabbbabbaaaaabbaabbaabbbababbaabbbbbabaabaabbaaababababaaabababbbbabaaaababbabbbabbabbbbbbabbaabbbaabaabbabbbbaaaaaababaababbbabbabababbababababbaabbaababbabbaabaaabbbbbbbbaaabaabbbbbbbabbabaaabaaaabbabbbbbbbbbabbbaabbbabbbbaabbaababbbbbbbbaaababbaaaaaababababbbabaaabbbaaaabababbbabbbabaababaabaababbbabbaaaaabbabaaabaaabbabaababbaaabbaaabbaaababbbaabbaaaaaababaaaabbbbbaaababbabbbabbbababababaabbbbabaaaaababbabbaaabbabbabbabbaaaaaaabbbbabbaababbbbabbbaabaabbababbbabbbbbbbbbbaabbabbbbaabaaababbbbbbababaababaabababaabaabbaaabbabaaabbbabbabbaabbbaaabaaababbabaabaaaabaaababbbbbaaaaabbaabbaababababbbabaabbabbabbbaabbbbbaabaabbabaabbaabbabbabbaaababbaabbbabaabbaabaaaaabbabbababaabbbabaaabababbbbaaaabaaababbbabaaaabbbbaaaaaaaaaaaaaaabbbaaaabbaabbaabaabbabbabbbbaabaabbaaabbbabbababbbbbbbbbbabaaabaababbabbbbaaaaabababbbaaabbbbababbbbbaabbaaabbbabbaaabbabbbbbabbabbbaaaaabbaababbbaaababaababbbababaaabbbabbaaaabbaaaaaaaaabaaaabbaaabaaaabbbaaababbbbbababbababaabaaabaabbbbbbbaaabbaabaababaabbbaabbaabbaaabaaababbbaababbaabaababbaaababaabaabbabbaababbbabaabaaabbbaabbaaabbbbaababbbbaabbabaabbbbababbbbbaaaabbbbbbabbbababbaabbbaabaabbaaaaababbbbbbbabbbabaababaabababbabbbbabbababbaabbabaababbbbbabbbbbaabbabbaaaaabababbbbabbbbaabbaaabbaaaabababaabbbababaababaabbaaaaabaaabbbbbbbabaabbbbaaabababaabbababbabaabbababbbbbbbbbbbaaaabbabbababbaabbbababbbbaaabbaababbabbbaabbbbaaabbaaaaabaababaaaabbaabaaabaababbabbababbbbaabababaabaabababbbababbbbabababbabbbbbbbbaabaaabbbabbbbabaabbabbbabbaaabaabbbbabaaaaabbbaabbbbbaaaabaababbbaabaaabbbbaabaaaaaabbbbabbbbbbbabaaabbabaaaabbaabbbbabbaaaaaababbbbbbbbaaaabababbbaabaabbabaababbbabaaaaaababaaababbbaababbabbaabbaabababbbbbaaaaaaabbaaababaaaaaabbabbbbbbaabaabaabbaaabbbbabbbbbabbbaaabbababaabbabbbaaaaaaababababbbaabbaaabaabaaaaabbbbbbababbbabaaabaaabaaabbabaabbbbbababbaaabbbababaabaabaabbaaaabaabbabbbbabbababaaabababbbbbabaaabaabbaaabaabaabaaabbbabaabababbabababbabbaabbbbbbbbaabbbaaaaaaabababaabaaaabbbaabaaababbababaaabbbbbabababaaabbaababababbbbaababbbabbbbbaaaabbbbaaabaaaabababbbababbabbbabbbabbababaaaaabababbbaaabbbbbaababbabaabaaabaabbababaaabaaabbaaabaaaababababbabbbaababaabbbaaaaaaabaabbbabbaaababbbabbababbaaaaaaababbabbaabaababaaaaaaabaabbaaabbbaabbbbabbabaaaabbbbbaababaaaaaabbabaababaababbababbabbbabbbbaababbbbbbbaabaabbabaababbaaaabbbababbaaabaabbbbaabbbaaabbbaabaaabbbbbabbabbabbbbbabbaaabaaabbbabbbbbbababababaaabbbabbaaaaababbabbaaababaaaaababbbbbbabaababbabbbaaababbbaabbbbbabaaaabbbaabababababbbbbbbbaaaaabbbbbbaaaabbaabaaaabbaababaaabaabaabaaababbaaabaaabbababbababbbaabaaaababaabbaaabaaabaaabaabaaaababbabbaaaaaaabbbababbbabbbbbabbbbbabaabbabbababbbababbbabaabaabbbababbbbabbaabababbbbbababbbbbaababababaaaaaaabababaabbbaaaaaabbaaaabbabbaabbaaabaababaababbbbabaababaabaababbbabbaabbababbaabbabbababbbbaaabaabbbbbabaaabaababbbababaaabbaaaaaaabbbababaabbbbbaabbaabbabaababaaabbaababaaababbaaaaaaaaabbbaaaaabbbabbabbbbbaabbbbababbbaaabbaabbbbbbaabbbbaaababaaaabbababbbaabbaaaaabbaaabaabaaaabbaabaaaabbbbbababaaaaaabbbabbaabbaaaaabaabaabbaabbbaaaaaabbabababbababbaabbbaabbaaaaaaaabbabbbbbabbaababbbabbbabbaaaabaabbbbbbbaabbaaabbabbbaababbbabababbaaaabaaaabbabaabaaababaabaaaabababaabaaabaabbbabaaaabaaabababaababbbaabaababbabbaaaaaaabbbaaaabbabbaabaabaabbabbabbabababbabbaabaabbabbabaabbbabaaaaabababbaaaaaaabbabbaaaaabbbabbbbaaaabbbbbbaababbabbaaabbbbbabaababbaaaababaabaabbabaaaaabaaaabaaabbbbababaabaabbbbbaabbbbabbbaaaaabaabbaababbbababbbbbbabbbbaabbbbabbaaabbaabaabbbabbbbbaaaaababbaabbbaabaabaaaaababaabbbbbbbabbaaaabbbbbabbaaabbababbbabbbbbaabbababaabbaaaaaaabbaaabababaabaaaaabbbbbbbbabaababbabbaaaaabbbbabbbbbaaababbaaaabbababbbaabaabaaabbabababababababbabaaabbaaabaabbabaabaabbbbabbaabbbbaabbaaaaabaabbaaababbbbbaaaabbbaabbbbbabbabbaababbaabbbabaaaabbbbaabaabaabbbbbbaabbbabbbaababbbabababbbaabaabbaaabbaaaabbaabaaabaabbbbbbbabaabbaaaaabaaaabbabababbaabbaababbabbabaabbaababbbbbababaaaabaababaabaababbbbbabbaaabbbbbaababaabababbabbaabbaaabbaaaaabbbaabbbbbaaaabaabaaabaabaaabababaaaababaabaabbbbbabaaabbbabbbbbabbaababbababaaaaaabbababaaabbabbbbbbaaabbbbaaabaabaaabaaaabbbabababaaabbababbbaaaabbbbbaabaaababbaaaaaaabaabaabaabbbbbbaabbbabababbabbbbabbabababaaaabaaaaabbbbaababbbbaaabbbbbaabaabbaababbaaabaabaaabbbbaabababaaabbbbabaababababbbaababbabbbbbbabbbbaaabbaaabbbabbabaabbaaabaaaabbbbbbbaabaabbbbbbabbbbabbbabbabaabaabbaababbbbaababbaaaababbbbbbbaaaabaababbabbbbbabaabaabbaabbaaabbabbbbabbbbbbbbbaabaaaabababaabaabbbabbbaababbaaaabbaababbababbbabbbabbaaabbbbabaaaabbbbbbbabaaaaabbabbaaaaaabbaabaaababbbbaaaaabaabaaabbabbabaabaababbbbbbbabbbaaaabbaaababababbaaaaabbaabaabababaababbabaaaabbbbbababbbbaaabbbbaabbbbaabbabbababaaaaabaababbababbbbbaababaabbaaababbaabaaabbbaaabbabbbbaaabaaabaaabbabaabaabaaaaaabbabbaaababbabaabbbababababbbabaaaababbbaaaabbabaabbbbbabaaaabababbabbbbabbbbaaababababbaabbaaabbbaababbaababababbbabbababaaabbbaabbbabbaaabaabbbabaaaaaaaaaaaabbaaaabbbabbbbbaaaaabaabaabbababbbaababbaabbbbaabbaaabababababaaabbbaaababbabbbbaaaaabbaaabaaaabbbaabaabbbaabaabaaaaaaaaaaaaabbaabbbbabbababbaaabaabbbbbbabbabbabaababbaabbbaaaabbabaaabababbabbbabaaaabbaabbbaaaaaabaabbabbabaaaaaaabaabbbbaababaaaaaabababbaababbabaaaabaabaabbaabbaabababaaabbaabbabbabbaaaaaaaaababbbaabbbbaaabbababaababbbbabaabaabbabbbaaaaaabbababbbabbbaababbabbabbbbababbabababbababbbaaaaabbbbbbabbaaabaaabaaaaaabbbababbbbababbbbbbababbabaaababbbbbabbaaabbaaabbbbabbbbbaaabababaaabbabbbbbbabaaababaaabaababaaaababaababaaababaabbbbabbaaabbabababababbbabbaabbbbabbbbbabbaaaabab 542
aabbabbaaaabaabbbbbbbbbbaaabbbabbbaabbbbbbbaabbbbbbabbbaabbabababaabbbbbbababbbababaaababbaaababbaabbbbaaaabbbbaabbbbbabaaabaabbbababaabbababbaaaabbabbbabbaabbbbbbabbbaaabbbbaabababbababbbaabbaababaaabbaabaabbabababbbabaabbaabababaabaaababbbbbbaabbaaabbbabbbabbbaaaaabaabaaabaaabbaababbbbbaababaababbbbbbaaababaababbababbaabbbbbabaabbbabababaaabbaabaabbabbababbaabbaaababbbaabababbaaabbabaabbbabaabbbbbaaaababaababaabbbbaaabaabababaaaababbbbbbaaaabbabbbaaababbbaabbaaabbbaabbbbabbabbbabaaabaabaaababbbbbbaabbbbaababbaabbbaaababbbbaaabaabaaabaaababaaaabbaaababaaabaababaaaaabababbabbbbaabbaaaabbabbaaabaaaaaababbaaaababbbaabbbbbbbbbaabbabaabaabbbbaaaabbbbbaaaaabbbbaabbabbbaabaaaabbbbbabbbaabaabbbaabbbbaaaababaaabbaaabbbaaaaabaaaabbaabbbbbbbabbabbabbbaabbbbbbaaaababbbbbaabbaaaaaaabaaaaabababbbbbaabbbbbababbbbaaaababaabbabbbbabbabbbbbbbbbbabababbabbababbaabababaabbaababbababaabbabbbabbbabbaaabbaabbaabbbaabbbbbbabbbbbaaaaaaaaaabaabbaabbabbbbbbbabbbaabbaabababaaabaaaaaaaaaabaabbbbbabbababbbaaabbaab 275
aabbbbabbbbaaaababbbbbabaaaabbaaababaababaaaaaabaaabaabbbbbbbabbabbbabbabaaaabaabbbbabbbbbbbbaaaaabababbbabbaaababbaaaaababbbabbababaaaab 535
abbabaaaabaabaabbaabbaaabababbbbaabbbbbaabaababbbbbbaaaaababbbaaabaaaaaabbabaabbaaaabbbabababbbabaabbabbabababbababaaaabbabbabbbbababbabaaaaababbaabaabbbabab 565
bbabb -685
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a -912
aaaaba 356
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a -347
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b -441
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b -648
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a 989
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b -66
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b 669
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a 688
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a 124
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a -715
b -598
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a -910
a 259
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a 490
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a 122
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a 532
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a 438
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a -530
a 365
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b 199
a 328
b 517
a -515
b 620
b 153
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a 427
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a 870
a 740
b -386
a 299
a -53
b 765
b 623
a 285
b -111
a -663
b 74
b -284
a -169
b 676
b -524
b 742
b 259
a 310
b 312
a 284
a 384
a -33
a 242
b 781
a -40
a -650
b 221
b 764
a 174
a -802
b -695
b -624
a 591
b 955
a 64
b 675
a -311
b -252
a 587
b 317
a -629
a -455
b -608
a -206
b 974
a -185
a 622
a -374
b -60
b 217
a 587
b 223
a 512
a 690
b 428
a 269
b 85
b -871
b -490
b 245
a 882
a 645
b 308
b 66
b -962
b -327
a 777
b 880
a -464
a 2
a 216
b -774
a 785
b -18
a -942
a -60
b 341
a 303
b -625
b -24
b -905
b 369
a 80
a -299
b 692
a -279
a 211
b 132
a -677
b -977
a -489
b 989
b 338
b -195
a 786
b 11
b 555
b 264
a -767
a 747
a -247
b -146
a 463
b 491
a -387
a -654
b -55
b -767
a -76
b 933
b -864
a 729
b 149
a 293
a -209
a 691
b -921
a -950
b 640
a 269
b 849
a 894
b 697
a 605
b -730
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

提示

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题目来源

没有写明来源

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