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String
#
ID
Name
Difficulty
Solver
1
abc230_a
B. AtCoder Quiz 3
-1358
16432
2
abc222_a
B. Four Digits
-1316
17852
3
abc224_a
B. Tires
-1263
17103
4
abc279_a
A. wwwvvvvvv
-1224
15510
5
abc236_a
A. chukodai
-1207
17708
6
abc388_a
B. ?UPC
-1184
15559
7
abc335_a
B. 202<s>3</s>
-1139
18061
8
abc235_a
B. Rotate
-1104
16727
9
abc379_a
B. Cyclic
-1053
15013
10
abc377_a
A. Rearranging ABC
-1012
13846
11
abc315_a
B. tcdr
-997
16503
12
abc160_a
A. Coffee
-986
23375
13
abc151_a
A. Next Alphabet
-966
17929
14
abc226_a
B. Round decimals
-930
16073
15
abc154_b
B. I miss you...
-915
17748
16
abc380_a
A. 123233
-880
15918
17
abc168_b
B. ... (Triple Dots)
-769
21604
18
abc167_a
A. Registration
-765
22728
19
abc257_a
B. A to Z String 2
-754
13577
20
abc192_b
B. uNrEaDaBlE sTrInG
-748
17350
21
abc233_b
C. A Reverse
-748
14877
22
abc268_b
C. Prefix?
-696
13182
23
abc357_b
D. Uppercase and Lowercase
-687
16191
24
abc380_b
C. Hurdle Parsing
-683
14738
25
abc148_b
B. Strings with the Same Length
-640
16523
26
abc230_b
D. Triple Metre
-550
13001
27
abc279_b
C. LOOKUP
-533
12445
28
tenka1_2019_b
B. *e**** ********e* *e****e* ****e**
-500
6783
29
abc147_b
B. Palindrome-philia
-481
15954
30
abc145_b
B. Echo
-436
15869
31
abc322_b
C. Prefix and Suffix
-398
18542
32
abc221_b
D. typo
-371
15729
33
abc280_c
E. Extra Character
-333
12711
34
abc143_c
C. Slimes
-322
15747
35
abc069_b
B. i18n
-317
14651
36
abc072_b
B. OddString
-297
12887
37
arc031_1
A. 名前
-284
3290
38
abc146_b
B. ROT N
-265
15916
39
abc041_a
A. 添字
-238
14407
40
abc320_b
D. Longest Palindrome
-225
16782
41
abc223_b
C. String Shifting
-213
12398
42
abc159_b
B. String Palindrome
-190
16818
43
code_festival_2017_quala_a
A. Snuke's favorite YAKINIKU
-158
4657
44
abc063_b
B. Varied
-140
12282
45
abc122_b
B. ATCoder
-122
21770
46
abc029_b
B. カキ
-75
6812
47
tenka1_2014_qualB_a
A. HAGIXILE
-3
1700
48
arc040_a
A. 床塗り
53
2789
49
arc035_a
A. 高橋くんと回文
101
2811
50
abc299_c
F. Dango
104
10472
51
abc103_b
B. String Rotation
110
13892
52
abc071_b
B. Not Found
115
14981
53
abc187_c
C. 1-SAT
137
13005
54
abc058_b
B. ∵∴∵
155
12583
55
abc059_b
B. Comparison
158
11597
56
abc020_b
B. 足し算
160
6586
57
abc011_2
B. 名前の確認
172
6867
58
discovery_2016_qual_a
A. DISCO presents ディスカバリーチャンネルプログラミングコンテスト 2016
193
1913
59
indeednow_2015_quala_2
B. Indeedなう!
204
2094
60
arc045_a
A. スペース高橋君
221
2987
61
abc237_c
E. kasaka
239
11797
62
abc044_b
B. Beautiful Strings
243
14898
63
abc002_2
B. 罠
298
10118
64
code_formula_2014_qualA_b
B. ボウリングゲーム
308
1875
65
abc091_b
B. Two Colors Card Game
310
15287
66
tenka1_2014_qualA_a
A. 天下一序数
344
2130
67
abc300_b
D. Same Map in the RPG World
350
10579
68
abc098_b
B. Cut and Count
358
12119
69
abc066_b
B. ss
384
12495
70
tenka1_2012_qualA_2
B. 分類たん
414
2507
71
cf_2015_morning_easy_b
B. ヘイホー君と置き換え
429
1590
72
abc199_c
C. IPFL
436
12061
73
abc018_2
B. 文字列の反転
469
6274
74
abc043_b
B. Unhappy Hacking (ABC Edit)
512
15757
75
agc006_a
A. Prefix and Suffix
516
6860
76
abc300_c
E. Cross
534
8676
77
abc019_2
B. 高橋くんと文字列圧縮
534
7214
78
abc017_2
B. choku語
547
6361
79
abc137_c
C. Green Bin
597
15237
80
abc042_b
B. Iroha Loves Strings (ABC Edition)
616
21464
81
abc045_b
B. Card Game for Three (ABC Edit)
635
11769
82
code_formula_2014_final_c
C. 次世代SNS
666
1631
83
arc071_a
C. Dubious Document
680
9419
84
zone2021_d
D. Message from Aliens
719
5936
85
arc141_a
A. Periodic Number
734
3077
86
agc022_a
A. Diverse Word
738
4707
87
arc003_2
B. さかさま辞書
746
3751
88
abc033_c
C. 数式の書き換え
755
5358
89
arc008_2
B. 謎のたこ焼きおじさん
772
2844
90
digitalarts_1
A. C-Filter
808
1895
91
cf17_final_b
B. Palindrome-phobia
812
4645
92
diverta2019_c
C. AB Substrings
922
6425
93
arc065_a
C. Daydream
930
42746
94
abc110_c
C. String Transformation
949
8434
95
code_festival_2017_qualc_c
C. Inserting 'x'
975
4262
96
agc005_a
A. STring
1054
6335
97
codefestival_2016_qualA_c
C. Next Letter
1077
4387
98
tenka1_2012_10
B. ロイヤルストレートフラッシュ
1080
1318
99
arc097_a
C. K-th Substring
1108
8239
100
agc048_a
A. atcoder < S
1187
2754
101
arc019_2
B. こだわりの名前
1209
2156
102
abc353_e
H. Yet Another Sigma Problem
1217
5912
103
tenka1_2015_qualB_b
B. 天下一リテラル
1269
1246
104
abc242_e
H. (∀x∀)
1365
4596
105
digitalarts_2
B. Password
1373
1132
106
arc059_b
D. Unbalanced
1374
8010
107
abc403_e
H. Forbidden Prefix
1447
3329
108
abc141_e
E. Who Says a Pun?
1459
5378
109
tenka1_2012_6
B. camel_case
1526
690
110
abc284_f
I. ABCBAC
1575
3994
111
abc362_g
G. Count Substring Query
1625
2708
112
abc331_f
I. Palindrome Query
1666
3214
113
abc377_g
G. Edit to Match
1782
1971
114
arc024_3
C. だれじゃ
1844
980
115
agc047_b
B. First Second
1871
1687
116
abc343_g
G. Compress Strings
2114
1486
117
abc213_f
I. Common Prefixes
2215
1356
118
abc272_f
I. Two Strings
2238
1142
119
abc150_f
F. Xor Shift
2281
1767
120
panasonic2020_e
E. Three Substrings
2309
1031
121
abc268_g
G. Random Student ID
2311
995
122
abc135_f
F. Strings of Eternity
2388
1422
123
arc055_c
C. ABCAC
2392
526
124
arc050_d
D. Suffix Concat
2487
246
125
tenka1_2013_qualA_d
D. 天下一展開
2507
88
126
discovery_2016_qual_c
C. アメージングな文字列は、きみが作る!
2527
159
127
abc268_h
Ex. Taboo
2560
702
128
codefestival_2016_qualB_e
E. Lexicographical disorder
2576
438
129
tenka1_2015_qualB_d
D. 天下一電卓英作文
2798
56
130
arc060_d
F. Best Representation
2804
1050
131
arc099_d
F. Eating Symbols Hard
3039
669
132
arc077_d
F. SS
3370
478
133
arc058_d
F. Iroha Loves Strings
3678
497
134
agc036_e
E. ABC String
3783
367
135
abc150_b
B. Count ABC
null
18515
136
abc306_a
B. Echo
null
14829
137
abc304_a
A. First Player
null
12800
138
past201912_f
F. DoubleCamelCase Sort
null
4376
139
yahoo_procon2018_qual_a
A. yahoo
null
2211
140
joi2021_yo1a_b
B. JOI ソート (JOI Sort)
null
2111
141
dwacon2018_prelims_a
A. ニコニコ文字列判定
null
2075
142
iroha2019_day1_a
A. 一問目
null
2001
143
past202005_a
A. Case Sensitive
null
1860
144
joi2021_yo1c_b
B. IOI 文字列 (IOI String)
null
1814
145
joi2007yo_c
C. シーザー暗号
null
1750
146
joi2008yo_b
B. JOIとIOI
null
1744
147
soundhound2018_a
A. SoundHound
null
1686
148
iroha2019_day1_b
B. ローリング・老人と海
null
1583
149
joi2020_yo1c_b
B. キャピタリゼーション (Capitalization)
null
1535
150
bitflyer2018_final_a
A. 値札
null
1300
151
joi2011yo_b
B. 指輪 (Ring)
null
1213
152
past202005_d
D. Digital Display
null
1146
153
nikkei2019ex_a
A. Prefix Array
null
1130
154
practice2_i
I. Number of Substrings
null
1124
155
ttpc2019_b
B. okyoech
null
1061
156
past202004_j
J. Parse
null
1033
157
joi2012ho1
A. JJOOII (JJOOII)
null
856
158
cpsco2019_s1_b
B. Beautiful Harmony
null
848
159
njpc2017_a
A. 入力フォーム
null
803
160
typical90_au
047. Monochromatic Diagonal(★7)
null
800
161
nyc2015_1
A. 2015
null
772
162
yahoo_procon2017_qual_c
C. 検索
null
758
163
colopl2018_final_b
B. 異世界数式
null
701
164
tkppc2016_a
A. 入社(Join the Company)
null
684
165
joi2006yo_b
B. JOI 2006 予選 問題2
null
680
166
yuha_c88_a
A. エンド・オブ・ビギニング
null
639
167
relay_b
B. Mirror String
null
624
168
past202012_j
J. Long Long String
null
530
169
cpsco2019_s2_c
C. Delicious Burgers
null
481
170
joisc2010_dna
dna. DNAの合成 (DNA Synthesizer)
null
346
171
ttpc2015_c
C. おおおかやま
null
299
172
tenka1_2016_final_c
C. たんごたくさん
null
296
173
qupc2014_b
B. 元素の系統名
null
296
174
joi2020_yo2_e
E. じゃんけん式 (Rock-Scissors-Paper Expression)
null
276
175
jag2016secretspring_c
C. みさわさんの根付き木
null
259
176
s8pc_2_e
E. 部分文字列
null
219
177
jag2017autumn_b
B. Tournament Chart
null
212
178
wupc2019_e
E. Artist
null
203
179
jag2017autumn_h
H. Separate String
null
153
180
ddcc2020_final_c
C. Smaller-Suffix-Free Sequences
null
138
181
bitflyer2018_final_e
E. 数式とクエリ
null
110
182
yuha_c88_e
E. 必殺!無限覇王斬!
null
110
183
hbpc_3
C. 1=0.999...
null
106
184
jag2017summer_day1_e
E. ベクトル式
null
99
185
iroha2019_day2_h
H. 根室の巫女
null
93
186
icpc2013autumn_f
F. Shipura
null
90
187
kupc2015_f
F. 逆ポーランド記法
null
89
188
icpc2015autumn_e
E. Shifting a Matrix
null
80
189
ukuku09_d
D. ukuku
null
73
190
icpc2013summer_day3_g
G. Unordered Operators
null
71
191
icpc2014summer_day4_f
F. Longest Match
null
69
192
icpc2014autumn_h
H. Points and Lines
null
59
193
kupc2016_f
F. Speed Solving
null
52
194
icpc2014summer_day4_e
E. AI
null
47
195
icpc2015summer_day2_e
E. 坑道数式
null
38
196
autumn_fest_07
G. Bit Map
null
31
197
maximum_cup_2018_g
G. Sparrow's trick
null
28
198
ttpc2019_l
L. 多項式の零点の個数
null
27
199
icpc2016autumn_j
J. Compressed Formula
null
15
200
ttpc2015_p
P. Dancing stars on regular expression!
null
4