ID	题目显示标签隐藏标签	AC / 尝试	难度
7492	P286E Ladies' Shop constructive algorithms fft math *2800	0 / 0	CTSC
7437	P300D Painting Square dp fft *2300	0 / 0	省选
6890	P438E The Child and Binary Tree combinatorics divide and conquer fft number theory *3100	0 / 0	CTSC
6746	P472G Design Tutorial: Increase the Constraints bitmasks data structures fft *2800	0 / 0	CTSC
6526	P528D Fuzzy Search bitmasks brute force fft *2500	0 / 0	NOI
6425	P553E Kyoya and Train dp fft graphs math probabilities *3200	0 / 0	CTSC
6143	P623E Transforming Sequence combinatorics dp fft math *3300	0 / 0	CTSC
6084	P632E Thief in a Shop divide and conquer dp fft math *2400	0 / 0	NOI
5983	P662C Binary Table bitmasks brute force divide and conquer dp fft math *2600	0 / 0	CTSC
5772	P715E Complete the Permutations combinatorics fft graphs math *3400	0 / 0	CTSC
5595	P754E Dasha and cyclic table bitmasks brute force fft strings trees *2600	0 / 0	CTSC
5588	P755G PolandBall and Many Other Balls combinatorics divide and conquer dp fft math number theory *3200	0 / 0	CTSC
5499	P773F Test Data Generation combinatorics divide and conquer dp fft math number theory *3400	0 / 0	CTSC
5268	P827E Rusty String fft math strings *2700	0 / 0	CTSC
5171	P848E Days of Floral Colours combinatorics divide and conquer dp fft math *3400	0 / 0	CTSC
5164	P850E Random Elections bitmasks brute force divide and conquer fft math *2800	0 / 0	CTSC
4954	P901E Cyclic Cipher fft math *3300	0 / 0	CTSC
4894	P914G Sum the Fibonacci bitmasks divide and conquer dp fft math *2600	0 / 0	CTSC
4836	P923E Perpetual Subtraction fft math matrices *3100	0 / 0	CTSC
4723	P954I Yet Another String Matching Problem fft math *2200	0 / 0	省选
4700	P958F3 Lightsabers (hard) fft *2600	0 / 0	CTSC
4687	P960G Bandit Blues combinatorics dp fft math *2900	0 / 0	CTSC
4615	P981H K Paths combinatorics data structures dp fft math *3100	0 / 0	CTSC
4591	P986D Perfect Encoding fft math *3100	0 / 0	CTSC
4552	P993E Nikita and Order Statistics chinese remainder theorem fft math *2300	0 / 0	省选
4452	P1010F Tree fft graphs trees *3400	0 / 0	CTSC
4352	P1033F Boolean Computer bitmasks brute force fft math *2800	0 / 0	CTSC
4341	P1036E Covered Points fft geometry number theory *2400	0 / 0	NOI
4262	P1054H Epic Convolution chinese remainder theorem fft math number theory *3500	0 / 0	CTSC
4047	P1096G Lucky Tickets divide and conquer dp fft *2400	0 / 0	NOI
4005	P1103E Radix sum fft math number theory *3400	0 / 0	CTSC
3912	P1119E Pavel and Triangles brute force dp fft greedy ternary search *1900	0 / 0	普及
3909	P1119H Triple fft math *3200	0 / 0	CTSC
3614	P1184A3 Heidi Learns Hashing (Hard) fft math number theory *3100	0 / 0	CTSC
3403	P1218D Xor Spanning Tree divide and conquer fft graphs *2400	0 / 0	NOI
3402	P1218E Product Tuples divide and conquer fft *2500	0 / 0	NOI
3257	P1251F Red-White Fence combinatorics fft *2500	0 / 0	NOI
3217	P1257G Divisor Set divide and conquer fft greedy math number theory *2600	0 / 0	CTSC
3158	P1270I Xor on Figures constructive algorithms fft math *3500	0 / 0	CTSC
3085	P1286F Harry The Potter brute force constructive algorithms dp fft implementation math *3100	0 / 0	CTSC
2861	P1334G Substring Search bitmasks brute force fft *2900	0 / 0	CTSC
2825	P1342E Placing Rooks combinatorics fft math *2300	0 / 0	省选
2789	P1349F1 Slime and Sequences (Easy Version) dp fft math *3100	0 / 0	CTSC
2788	P1349F2 Slime and Sequences (Hard Version) dp fft math *3500	0 / 0	CTSC
2531	P1392I Kevin and Grid fft graphs math *3300	0 / 0	CTSC
2503	P1398G Running Competition bitmasks fft math number theory *2600	0 / 0	CTSC
2453	P1408G Clusterization Counting combinatorics dp dsu fft graphs trees *2700	0 / 0	CTSC
2299	P1438C Engineer Artem 2-sat chinese remainder theorem constructive algorithms fft flows *2000	0 / 0	提高
2291	P1439D INOI Final Contests combinatorics dp fft *3100	0 / 0	CTSC
2253	P1450H1 Multithreading (Easy Version) combinatorics fft math *2900	0 / 0	CTSC
2134	P1473G Tiles combinatorics dp fft math *2800	0 / 0	CTSC
2108	P1477F Nezzar and Chocolate Bars combinatorics fft math probabilities *3500	0 / 0	CTSC
2099	P1479E School Clubs dp fft math number theory probabilities *3500	0 / 0	CTSC
2063	P1487G String Counting combinatorics dp fft math *2700	0 / 0	CTSC
2053	P1488J Flower Shop special problem data structures fft math 3100	0 / 0	CTSC
1841	P1528F AmShZ Farm combinatorics fft math *3300	0 / 0	CTSC
1788	P1536F Omkar and Akmar chinese remainder theorem combinatorics constructive algorithms fft games geometry math meet-in-the-middle string suffix structures *2600	0 / 0	CTSC
1755	P1542E1 Abnormal Permutation Pairs (easy version) combinatorics dp fft math *2400	0 / 0	NOI
1754	P1542E2 Abnormal Permutation Pairs (hard version) combinatorics dp fft math *2700	0 / 0	CTSC
1729	P1548C The Three Little Pigs combinatorics dp fft math *2500	0 / 0	NOI
1692	P1553I Stairs combinatorics divide and conquer dp fft math *3400	0 / 0	CTSC
1656	P1559E Mocha and Stars combinatorics dp fft math number theory *2200	0 / 0	省选
1594	P1574F Occurrences combinatorics dfs and similar dp dsu fft graphs *2700	0 / 0	CTSC
1591	P1575C Cyclic Sum data structures fft number theory *3000	0 / 0	CTSC
1553	P1580F Problems for Codeforces combinatorics fft math *3300	0 / 0	CTSC
1437	P1608D Dominoes combinatorics fft graphs math number theory *2400	0 / 0	NOI
1396	P1613F Tree Coloring combinatorics divide and conquer fft *2600	0 / 0	CTSC
1230	P1641E Special Positions combinatorics divide and conquer fft math *3300	0 / 0	CTSC
1221	P1644F Basis combinatorics fft math number theory *2900	0 / 0	CTSC
1180	P1654H Three Minimums combinatorics constructive algorithms divide and conquer dp fft math *3500	0 / 0	CTSC
1094	P1667E Centroid Probabilities combinatorics dp fft math *3000	0 / 0	CTSC
1071	P1671F Permutation Counting brute force combinatorics dp fft math *2700	0 / 0	CTSC
977	P1687F Koishi's Unconscious Permutation fft math *3500	0 / 0	CTSC
874	P1704G Mio and Lucky Array constructive algorithms fft math strings *3500	0 / 0	CTSC
873	P1704H1 Game of AI (easy version) combinatorics constructive algorithms dp fft math *3200	0 / 0	CTSC
872	P1704H2 Game of AI (hard version) combinatorics fft math *3500	0 / 0	CTSC
846	P1709F Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees *2500	0 / 0	NOI
754	P1726E Almost Perfect combinatorics fft math *2400	0 / 0	NOI
725	P1731F Function Sum brute force combinatorics dp fft math *2500	0 / 0	NOI
504	P1770G Koxia and Bracket divide and conquer fft math *3400	0 / 0	CTSC
423	P1773G Game of Questions bitmasks combinatorics dp fft math probabilities *2800	0 / 0	CTSC
294	P1792F2 Graph Coloring (hard version) brute force combinatorics divide and conquer dp fft graphs *2900	0 / 0	CTSC
135	P1821F Timber combinatorics dp fft math *2600	0 / 0	CTSC
1	P1845F Swimmers in the Pool fft math number theory	0 / 0	暂无评定
1833	P1856E2 PermuTree (hard version) bitmasks dfs and similar dp fft implementation trees	0 / 0	暂无评定
9087	P1909I Short Permutation Problem combinatorics dp fft math *3500	0 / 0	CTSC
9256	P1975G Zimpha Fan Club fft greedy math strings *3000	0 / 0	CTSC
9242	P1978A Alice and Books constructive algorithms fft sortings	0 / 0	暂无评定
9356	P1988F Heartbeat combinatorics dp fft math *3000	0 / 0	CTSC
9335	P1991H Prime Split Game bitmasks fft games math number theory	0 / 0	暂无评定

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