ProblemSet - ZUFEOJ

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Problem ID	Title	Solved	Submit	Pass Rate
1420	Friends number 辽宁省赛2010	4	10	40.0%
1565	Persistent Numbers	1	1	100.0%
1697	Biggest Number 湖南省第六届大学生计算机程序设计竞赛	2	2	100.0%
1764	Semi-prime H-numbers	1	1	100.0%
1776	Pseudoprime numbers	1	1	100.0%
1823	Problem E: Gas Station Numbers	1	1	100.0%
1850	Pseudo-random Numbers	0	0	0.0%
1860	Reduced ID Numbers	1	1	100.0%
1916	Number Sequence KMP入门	74	139	53.2%
2299	Number-picking game	1	1	100.0%
3554	“桐桐数”(number)	2	6	33.3%
3761	【数组】密码报数（numberoff）语言基础-数组	1	1	100.0%
4086	Numbers 83D 2400 dp math numbertheory	1	1	100.0%
4090	Winter is here 839D 2200 combinatorics dp math numbertheory	1	2	50.0%
4093	Airplane Arrangements 838D 2700 math numbertheory	1	1	100.0%
4113	The Meaningless Game 833A 1700 math numbertheory 思维	8	10	80.0%
4122	Bamboo Partition 830C 2300 brute force,data structures,implementation,math,number theory,sortings,two pointers	1	1	100.0%
4140	我的漂亮女孩 cf822D 1800 brute force dp greedy math number theory	13	31	41.9%
4143	无聊的生活 cf822A 800 implementation math number theory 思维	3	4	75.0%
4154	Mister B and Beacons on Field cf819C 2900 number theory	1	1	100.0%
4159	Card Game Again cf818E 1900 binary search data structures number theory two pointers	6	15	40.0%
4198	Surprise me! cf809E 3100 divide and conquer math number theory trees	1	1	100.0%
4212	Fake bullions cf804F 3400 combinatorics dfs and similar dp graphs number theory	1	1	100.0%
4218	Coprime Subsequences cf803F 2000 bitmasks combinatorics number theory	4	4	100.0%
4274	Colored Balls cf792E 2500 greedy math number theory	1	1	100.0%
4281	Beaver Game cf78C 2000 dp games number theory	5	5	100.0%
4296	Anton and School - 2 cf785D 2300 combinatorics dp math number theory	0	1	0.0%
4300	Crunching Numbers Just for You cf784F 1900 *special problem implementation	1	1	100.0%
4305	Numbers Joke数字笑话 cf784A 1700 *special problem	3	3	100.0%
4315	Selling Numbers cf778E 3000 dp sortings	1	1	100.0%
4326	福尔摩斯的孩子们 cf776E 2100 math number theory	3	4	75.0%
4336	Big Number and Remainder cf774E 2300 *special problem math number theory	4	6	66.7%
4341	Test Data Generation cf773F 3400 combinatorics divide and conquer dp fft math number theory	2	4	50.0%
4364	Barrels and boxes cf768F 2300 brute force combinatorics math number theory probabilities	1	1	100.0%
4375	zz与三角形 cf766B 1000 constructive algorithms geometry greedy math number theory sortings CF思维	263	497	52.9%
4377	Math, math everywhere cf765G 3200 brute force dp math meet-in-the-middle number theory	1	1	100.0%
4404	Geometrical Progression cf758F 2400 brute force math number theory	2	2	100.0%
4411	Bash Plays with Functions cf757E 2500 brute force combinatorics dp number theory	2	2	100.0%
4416	Long number cf756F 3400 expression parsing math number theory	2	2	100.0%
4422	PolandBall and Many Other Balls cf755G 3200 combinatorics divide and conquer dp fft math number theory	1	1	100.0%
4439	Chessboard Billiard棋盘式台球 74C 2100 dfs and similar dsu graphs number theory	3	4	75.0%
4450	Igor and Interesting Numbers	0	0	0.0%
4480	Morrowindows cf73E 2400 math number theory	0	0	0.0%
4535	Xor-matic Number of the Graph	0	0	0.0%
4539	Ray Tracing cf724C 1800 greedy hashing implementation math number-theory sortings	3	4	75.0%
4545	Cyclic Cipher cf722F 2800 chinese-remainder-theorem data-structures implementation number-theory two-pointers	2	2	100.0%
4558	巫师的预言 cf71C 1600 dp math number theory	76	221	34.4%
4572	Festival Organization cf717A 2900 math number theory	1	1	100.0%
4588	ZS and The Birthday Paradox cf711E 2300 math number theory probabilities	1	1	100.0%
4595	Two Arithmetic Progressions cf710D 2500 math number theory	1	1	100.0%
4621	Mishka and Divisors cf703E 2600 dp number theory	1	1	100.0%
4648	Coprime Permutation 698F 3000 combinatorics number theory	1	2	50.0%
4659	Couple Cover 691F 2200 brute force dp number theory	1	1	100.0%
4690	Remainders Game cf687B 1800 chinese remainder theorem math number theory	8	12	66.7%
4719	Iterated Linear Function 迭代线性函数 cf678D 1700 math number theory	4	4	100.0%
4744	Ultimate Weirdness of an Array CF671C 2800 data structures number theory	1	1	100.0%
4746	Restore a Number CF670F 2300 brute force constructive algorithms strings	1	1	100.0%
4763	Four Divisors CF665F 2400 data structures dp math number theory sortings two pointers	1	1	100.0%
4775	Number of Parallelograms CF660D 1900 geometry	3	3	100.0%
4782	Fence Divercity CF659G 2300 combinatorics dp number theory	1	2	50.0%
4796	Move by Prime CF653G 3100 combinatorics math number theory	1	1	100.0%
4815	Cowslip Collections CF645F 2500 combinatorics math number theory	1	2	50.0%
4852	Yash And Trees 线段树 633G 2800 bitmasks,data structures,dfs and similar,math,number theory	1	2	50.0%
4856	乌木和象牙 633A 1100 brute force,math,number theory 思维	21	32	65.6%
4859	Longest Subsequence 632D 2100 brute force,math,number theory	1	1	100.0%
4872	zz的奖金 630J 1100 math,number theory 思维	2	12	16.7%
4891	Magic Numbers 数位 DP 628D 2200	1	3	33.3%
4912	Array GCD 623B 2300 dp,greedy,number theory	1	1	100.0%
4915	Optimal Number Permutation 622D 1900 constructive algorithms	3	5	60.0%
4934	XOR and Favorite Number 617E 2200 data structures	1	5	20.0%
4940	Sum of Remainders 616E 2200 implementation,math,number theory	1	1	100.0%
4946	乘数 615D 2000 math,number theory	4	4	100.0%
4995	Moodular Arithmetic 603B 1800 combinatorics,dfs and similar,dsu,math,number theory	3	3	100.0%
5034	REQ 594D 2500 data structures,number theory	1	1	100.0%
5074	Digits of Number Pi 585F 3200 dp implementation strings	1	1	100.0%
5075	Present for Vitalik the Philatelist 585E 2900 combinatorics math numbertheory	1	2	50.0%
5077	Alice, Bob, Oranges and Apples 585C 2400 number-theory	1	3	33.3%
5084	Number of Binominal Coefficients 582D 3300 dp math number-theory	1	1	100.0%
5085	Superior Periodic Subarrays 582C 2400 number-theory	1	2	50.0%
5114	机器人 575H 1800 combinatorics dp math numbertheory	2	2	100.0%
5158	Beautiful numbers 55D 2500 dp numbertheory	1	7	14.3%
5188	Vanya and Scales 552c bruteforce dp greedy math meet-in-the-middle numbertheory *1900	0	0	0.0%
5212	Mike and Foam 547C bitmasks combinatorics dp math number theory *2300	0	0	0.0%
5215	Soldier and Number Game 546D constructivealgorithms dp math numbertheory *1700	0	0	0.0%
5232	Superhero's Job 542D dfsandsimilar dp hashing math numbertheory *2600	0	0	0.0%
5300	Pluses everywhere 520E 2200 combinatorics dp math numbertheory	0	0	0.0%
5312	A and B and Team Training 519C 1300 greedy implementation math numbertheory	0	0	0.0%
5319	Drazil and His Happy Friends 516E 3100 math number theory	0	0	0.0%
5324	Drazil and His Happy Friends 515B 1300 bruteforce dsu meet-in-the-middle numbertheory	0	0	0.0%
5329	Chewbacca and Number 514A 1200 greedy implementation	0	0	0.0%
5371	New Year Running 500G 3200 numbertheory trees	1	1	100.0%
5387	Traffic Jams in the Land 498D 2400 datastructures dp numbertheory	1	1	100.0%
5388	Array and Operations 498C 2100 flows graphmatchings numbertheory	1	1	100.0%
5398	Modular Equations 495B 1600 math numbertheory	1	1	100.0%
5417	Chocolate 490D 1900 bruteforce dfs math meet-in-the-middle numbertheory	14	27	51.9%
5418	黑客密码 490C1700 bruteforce math numbertheory strings	6	6	100.0%
5462	Wavy numbers 478E 2900 brute force dfs and similar meet-in-the-middle sortings	1	1	100.0%
5477	Ant colony 474F 2100 data structures math number theory	1	1	100.0%
5514	Substitutes in Number 464C 2100 dp	1	1	100.0%
5516	Caisa and Tree 463E 2100 trees math dfs bruteforce numbertheory	1	1	100.0%
5530	Prime Problem 45G 2200 numbertheory	1	1	100.0%
5567	Phone Number	0	0	0.0%
5574	Jzzhu and Numbers	0	0	0.0%
5585	DZY Loves Fibonacci Numbers	0	0	0.0%
5615	The Child and Binary Tree 438E 3100 combinatorics,divide and conquer,fft,number theory	1	1	100.0%
5701	Number Table 40E 2500	1	2	50.0%
5728	Beautiful Pairs of Numbers 403D 2300	1	1	100.0%
5735	Roman and Numbers 401D 2000	1	1	100.0%
5760	On Corruption and Numbers 397B	1	1	100.0%
5763	On Sum of Number of Inversions in Permutations 396D	1	1	100.0%
5766	On Number of Decompositions into Multipliers 396A	1	2	50.0%
5769	Very Beautiful Number 394B	1	1	100.0%
5773	Yet Another Number Sequence 392C	1	1	100.0%
5801	Fox and Number Game cf389A	0	0	0.0%
5808	George and Number cf387C	1	1	100.0%
5815	Bear and Prime Numbers cf385C	0	0	0.0%
5827	Number Busters cf382B	1	1	100.0%
5880	Sereja and the Arrangement of Numbers	0	0	0.0%
5903	Levko and Sets 360D number theory *2600	1	1	100.0%
5912	成对的数字 359D 2000 Pair of Numbersbinary search,brute force,data structures,math,two pointers	5	5	100.0%
5913	Prime Number 359C 1900 Prime Numbermath,number theory	4	7	57.1%
5925	Vasya and Beautiful Arrays 354C 2100 Vasya and Beautiful Arraysbrute force,dp,number theory	1	1	100.0%
5942	Page Numbers 34C 1300 Page Numbersexpression parsing,implementation,sortings,strings	1	1	100.0%
5956	Number Transformation II 346C 2200	1	2	50.0%
5984	Divisor Tree 337E 2200 Divisor Treebrute force,number theory,trees	0	0	0.0%
5986	测验 337C 1600 binary search greedy math matrices number theory 思维	5	15	33.3%
5987	Routine Problem 337B 1400 greedy math number theory	1	1	100.0%
5990	Vasily the Bear and Beautiful Strings 336D 2100 combinatorics math number theory	1	1	100.0%
5991	Vasily the Bear and Sequence 336C 1800 brute force greedy implementation number theory	1	1	100.0%
6079	Ilya and Two Numbers 313E 2300 constructive algorithms data structures dsu greedy	1	1	100.0%
6083	伊利亚和银行账户 313A 900 implementation number theory 思维	9	16	56.2%
6285	Number Transformation	0	0	0.0%
6305	Queries for Number of Palindromes	6	7	85.7%
6470	双倍数字(number) 2022 绍兴初中	0	0	0.0%
6820	Nearly Lucky Number	0	0	0.0%
7463	X Number 2020 Multi-University Training Contest 3	0	0	0.0%
7498	Fragrant numbers 2020 Multi-University Training Contest 6	9	10	90.0%
7501	Yukikaze and Smooth numbers 2020 Multi-University Training Contest 6	0	0	0.0%
8550	Find the Number of Paths 2022 杭电多校第六场	1	2	50.0%
8583	Number Game 2022牛客6	6	16	37.5%
8965	Binary Number 2023杭电多校2	10	15	66.7%
9013	Number Table	0	0	0.0%
9590	Effective Numbers 2025暑期牛客赛2	1	2	50.0%
9593	Inversion Number Parity 2025暑期牛客赛8	1	2	50.0%