*1900 - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	3594	P1303D Fill The Bag bitmasks greedy *1900	0 / 0	6
	3580	P1305D Kuroni and the Celebration constructive algorithms dfs and similar interactive trees *1900	0 / 0	6
	3572	P1307D Cow and Fields binary search data structures dfs and similar graphs greedy shortest paths sortings *1900	0 / 0	6
	3545	P1311F Moving Points data structures divide and conquer implementation sortings *1900	0 / 0	6
	3532	P1313C2 Skyscrapers (hard version) data structures dp greedy *1900	0 / 0	6
	3433	P1328E Tree Queries dfs and similar graphs trees *1900	0 / 0	6
	3334	P1342D Multiple Testcases binary search constructive algorithms data structures greedy sortings two pointers *1900	0 / 0	6
	3305	P1348D Phoenix and Science binary search constructive algorithms greedy implementation math *1900	0 / 0	6
	3279	P1353E K-periodic Garland brute force dp greedy *1900	0 / 0	6
	3273	P1354D Multiset binary search data structures *1900	0 / 0	6
	3232	P1358D The Best Vacation binary search brute force greedy implementation two pointers *1900	0 / 0	6
	3217	P1360G A/B Matrix constructive algorithms greedy math *1900	0 / 0	6
	3214	P1361B Johnny and Grandmaster greedy implementation math sortings *1900	0 / 0	6
	3191	P1365E Maximum Subsequence Value brute force constructive algorithms *1900	0 / 0	6
	3177	P1367E Necklace Assembly brute force dfs and similar dp graphs greedy number theory *1900	0 / 0	6
	3162	P1369D TediousLee dp graphs greedy math trees *1900	0 / 0	6
	3148	P1371E1 Asterism (Easy Version) binary search brute force combinatorics math number theory sortings *1900	0 / 0	6
	3122	P1375D Replace by MEX brute force constructive algorithms sortings *1900	0 / 0	6
	3093	P1383B GameGame bitmasks constructive algorithms dp games greedy math *1900	0 / 0	6
	3087	P1384B1 Koa and the Beach (Easy Version) brute force dp greedy *1900	0 / 0	6
	3007	P1400D Zigzags brute force combinatorics data structures math two pointers *1900	0 / 0	6
	2990	P1404B Tree Tag dfs and similar dp games trees *1900	0 / 0	6
	2950	P1413C Perform Easily binary search brute force dp implementation sortings two pointers *1900	0 / 0	6
	2909	P1421D Hexagons brute force constructive algorithms greedy implementation math shortest paths *1900	0 / 0	6
	2900	P1423B Valuable Paper binary search flows graph matchings graphs *1900	0 / 0	6
	2860	P1428D Bouncing Boomerangs constructive algorithms greedy implementation *1900	0 / 0	6
	2850	P1430E String Reversal data structures greedy strings *1900	0 / 0	6
	2826	P1436D Bandit in a City binary search dfs and similar graphs greedy trees *1900	0 / 0	6
	2809	P1439A2 Binary Table (Hard Version) constructive algorithms graphs greedy implementation *1900	0 / 0	6
	2791	P1444B Divide and Sum combinatorics math sortings *1900	0 / 0	6
	2749	P1453D Checkpoints brute force constructive algorithms greedy math probabilities *1900	0 / 0	6
	2695	P1463D Pairs binary search constructive algorithms greedy two pointers *1900	0 / 0	6
	2669	P1467C Three Bags constructive algorithms greedy *1900	0 / 0	6
	2624	P1470B Strange Definition bitmasks graphs hashing math number theory *1900	0 / 0	6
	2577	P1475F Unusual Matrix 2-sat brute force constructive algorithms *1900	0 / 0	6
	2574	P1475G Strange Beauty dp math number theory sortings *1900	0 / 0	6
	2560	P1477B Nezzar and Binary String data structures greedy *1900	0 / 0	6
	2541	P1479B1 Painting the Array I constructive algorithms data structures dp greedy implementation *1900	0 / 0	6
	2517	P1482D Playlist data structures dsu implementation shortest paths *1900	0 / 0	6
	2499	P1486C2 Guessing the Greatest (hard version) binary search interactive *1900	1 / 1	6
	2486	P1488C Two Policemen special problem binary search brute force math 1900	0 / 0	6
	2485	P1488D Problemsolving Marathon special problem binary search greedy 1900	0 / 0	6
	2460	P1490G Old Floppy Drive binary search data structures math *1900	0 / 0	6
	2437	P1492D Genius's Gambit bitmasks constructive algorithms greedy math *1900	0 / 0	6
	2424	P1494C 1D Sokoban binary search dp greedy implementation two pointers *1900	0 / 0	6
	2415	P1495B Let's Go Hiking games greedy *1900	0 / 0	6
	2327	P1508A Binary Literature constructive algorithms greedy implementation strings two pointers *1900	0 / 0	6
	2280	P1512F Education brute force dp greedy implementation *1900	0 / 0	6
	2174	P1527B2 Palindrome Game (hard version) constructive algorithms games *1900	0 / 0	6
	2054	P1543C Need for Pink Slips bitmasks brute force dfs and similar implementation math probabilities *1900	0 / 0	6
	2049	P1545B AquaMoon and Chess combinatorics math *1900	0 / 0	6
	2035	P1547F Array Stabilization (GCD version) binary search brute force data structures divide and conquer number theory two pointers *1900	0 / 0	6
	1926	P1558B Up the Strip brute force dp math number theory two pointers *1900	0 / 0	6
	1906	P1560F1 Nearest Beautiful Number (easy version) binary search bitmasks brute force constructive algorithms dfs and similar greedy *1900	0 / 0	6
	1863	P1569D Inconvenient Pairs binary search data structures implementation sortings two pointers *1900	0 / 0	6
	1716	P1585D Yet Another Sorting Problem data structures math *1900	0 / 0	6
	1692	P1593D2 Half of Same brute force math number theory *1900	0 / 0	6
	1649	P1600E Array Game games greedy two pointers *1900	0 / 0	6
	1642	P1601B Frog Traveler data structures dfs and similar dp graphs shortest paths two pointers *1900	0 / 0	6
	1557	P1611E2 Escape The Maze (hard version) dfs and similar dp greedy shortest paths trees *1900	0 / 0	6
	1544	P1613D MEX Sequences dp math *1900	0 / 0	6
	1494	P1620E Replace the Numbers constructive algorithms data structures dsu implementation *1900	0 / 0	6
	1465	P1624G MinOr Tree bitmasks dfs and similar dsu graphs greedy *1900	0 / 0	6
	1447	P1627D Not Adding brute force dp math number theory *1900	0 / 0	6
	1346	P1644E Expand the Path brute force combinatorics data structures implementation math *1900	0 / 0	6
	1335	P1647D Madoka and the Best School in Russia constructive algorithms dp math number theory *1900	0 / 0	6
	1330	P1648C Tyler and Strings combinatorics data structures implementation *1900	0 / 0	6
	1320	P1650E Rescheduling the Exam binary search data structures greedy implementation math sortings *1900	0 / 0	6
	1314	P1651D Nearest Excluded Points binary search data structures dfs and similar graphs shortest paths *1900	0 / 0	6
	1300	P1656D K-good constructive algorithms math number theory *1900	0 / 0	6
	1278	P1659D Reverse Sort Sum constructive algorithms data structures greedy implementation math two pointers *1900	0 / 0	6
	1265	P1661D Progressions Covering data structures greedy *1900	0 / 0	6
	1181	P1673D Lost Arithmetic Progression combinatorics math number theory *1900	0 / 0	6
	1153	P1677C Tokitsukaze and Two Colorful Tapes constructive algorithms dfs and similar graphs greedy *1900	0 / 0	6
	1143	P1679D Toss a Coin to Your Graph... binary search dfs and similar dp graphs *1900	0 / 0	6
	1073	P1689D Lena and Matrix data structures dp geometry shortest paths *1900	0 / 0	6
	1023	P1696D Permutation Graph binary search constructive algorithms data structures divide and conquer greedy shortest paths *1900	0 / 0	6
	1007	P1697D Guess The String binary search constructive algorithms interactive *1900	0 / 0	6
	978	P1700D River Locks binary search dp greedy math *1900	0 / 0	6
	972	P1701D Permutation Restoration binary search data structures greedy math sortings two pointers *1900	0 / 0	6
	963	P1702G1 Passable Paths (easy version) dfs and similar trees *1900	0 / 0	6
	951	P1704D Magical Array constructive algorithms hashing implementation math *1900	0 / 0	6
	932	P1707B Difference Array brute force data structures implementation sortings *1900	0 / 0	6
	894	P1714F Build a Tree and That Is It constructive algorithms implementation trees *1900	0 / 0	6
	889	P1715D 2+ doors 2-sat bitmasks graphs greedy *1900	0 / 0	6
	877	P1717D Madoka and The Corruption Scheme combinatorics constructive algorithms greedy math *1900	0 / 0	6
	873	P1718A2 Burenka and Traditions (hard version) data structures dp greedy *1900	0 / 0	6
	812	P1729F Kirei and the Linear Function hashing math *1900	0 / 0	6
	755	P1738D Permutation Addicts constructive algorithms data structures dfs and similar dsu graphs trees *1900	0 / 0	6
	743	P1739D Reset K Edges binary search data structures dfs and similar graphs greedy trees *1900	0 / 0	6
	679	P1744E2 Divisible Numbers (hard version) brute force math number theory *1900	0 / 0	6
	673	P1746D Paths on the Tree dfs and similar dp greedy sortings trees *1900	0 / 0	6
	662	P1747D Yet Another Problem binary search bitmasks constructive algorithms data structures *1900	0 / 0	6
	641	P1749D Counting Arrays combinatorics dp math number theory *1900	0 / 0	6
	579	P1759G Restore the Permutation binary search constructive algorithms data structures greedy math *1900	0 / 0	6
	435	P1773A Amazing Trick constructive algorithms graph matchings math probabilities *1900	0 / 0	6
	413	P1774E Two Chess Pieces dfs and similar dp greedy trees *1900	0 / 0	6
	370	P1777D Score of a Tree bitmasks combinatorics dfs and similar dp math probabilities trees *1900	0 / 0	6
	312	P1784B Letter Exchange constructive algorithms *1900	0 / 0	6
	299	P1787D Game on Axis combinatorics dfs and similar dsu graphs implementation *1900	0 / 0	6

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