ID 题目 显示标签 隐藏标签 AC / 尝试 难度
26 codeforces#P1536B  Prinzessin der Verurteilung 0 / 0 4
17 codeforces#P1537E1  Erase and Extend (Easy Version) 0 / 0 5
16 codeforces#P1537E2  Erase and Extend (Hard Version) 0 / 0 8
10 codeforces#P1538E  Funny Substrings 0 / 0 7
6 codeforces#P1539B  Love Song 2 / 2 3
7150 codeforces#P1547B  Alphabetical Strings 1 / 1 10
7164 codeforces#P1550E  Stringforces 0 / 0 9
7187 codeforces#P1551B1  Wonderful Coloring - 1 0 / 0 (无)
7185 codeforces#P1551C  Interesting Story 0 / 0 (无)
7200 codeforces#P1552A  Subsequence Permutation 0 / 0 (无)
7177 codeforces#P1553B  Reverse String 0 / 0 (无)
7175 codeforces#P1553D  Backspace 0 / 3 10
7209 codeforces#P1554D  Diane 1 / 1 6
7204 codeforces#P1555D  Say No to Palindromes 0 / 0 (无)
7240 codeforces#P1560D  Make a Power of Two 3 / 3 10
7239 codeforces#P1560E  Polycarp and String Transformation 1 / 3 10
7266 codeforces#P1562E  Rescue Niwen! 0 / 0 (无)
7283 codeforces#P1567A  Domino Disaster 1 / 1 10
7376 codeforces#P1570E  Erasing Zeroes 0 / 0 (无)
7373 codeforces#P1570H  Chainword 0 / 0 (无)
7354 codeforces#P1575A  Another Sorting Problem 2 / 2 10
7347 codeforces#P1575H  Holiday Wall Ornaments 0 / 0 (无)
7334 codeforces#P1578H  Higher Order Functions 0 / 0 (无)
7320 codeforces#P1579A  Casimir's String Solitaire 1 / 1 3
7431 codeforces#P1582C  Grandma Capa Knits a Scarf 0 / 0 (无)
7472 codeforces#P1584F  Strange LCS 0 / 0 10
7385 codeforces#P1594C  Make Them Equal 0 / 0 4
7467 codeforces#P1605C  Dominant Character 0 / 0 4
7447 codeforces#P1606A  AB Balance 2 / 2 3
7463 codeforces#P1607A  Linear Keyboard 0 / 0 3
7514 codeforces#P1609B  William the Vigilant 0 / 0 3
7582 codeforces#P1616B  Mirror in the String 0 / 2 3
7579 codeforces#P1616E  Lexicographically Small Enough 0 / 0 8
7541 codeforces#P1617A  Forbidden Subsequence 1 / 1 10
7530 codeforces#P1618F  Reverse 1 / 1 10
7556 codeforces#P1619A  Square String? 1 / 1 10
7571 codeforces#P1623E  Middle Duplication 0 / 0 (无)
7596 codeforces#P1624D  Palindromes Coloring 0 / 0 (无)
7595 codeforces#P1624E  Masha-forgetful 0 / 0 (无)
7616 codeforces#P1626B  Minor Reduction 1 / 2 3
7625 codeforces#P1628B  Peculiar Movie Preferences 0 / 0 (无)
7663 codeforces#P1634A  Reverse and Concatenate 1 / 4 10
7680 codeforces#P1635D  Infinite Set 0 / 0 (无)
7709 codeforces#P1648C  Tyler and Strings 0 / 0 (无)
7737 codeforces#P1654B  Prefix Removals 0 / 0 3
7733 codeforces#P1654F  Minimal String Xoration 0 / 0 10
7803 codeforces#P1659B  Bit Flipping 0 / 0 (无)
7765 codeforces#P1660C  Get an Even String 0 / 0 (无)
7850 codeforces#P1662B  Toys 0 / 0 (无)
7848 codeforces#P1662D  Evolution of Weasels 0 / 0 (无)

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手气不错

根据当前过滤条件随机选择一道题