Problemset - Codeforces

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Codeforces Round 988 (Div. 3)
46:18:28
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Problems

#	Name
520C	DNA Alignment math, strings	1500	x4171
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x51462
520A	Pangram implementation, strings	800	x98846
519E	A and B and Lecture Rooms binary search, data structures, dfs and similar, dp, trees	2100	x6914
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6397
519C	A and B and Team Training greedy, implementation, math, number theory	1300	x19768
519B	A and B and Compilation Errors data structures, implementation, sortings	1100	x39667
519A	A and B and Chess implementation	900	x19048
518F	Pasha and Pipe binary search, brute force, combinatorics, dp, implementation	2300	x374
518E	Arthur and Questions greedy, implementation, math, ternary search	2200	x1002
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x7050
518C	Anya and Smartphone constructive algorithms, data structures, implementation	1600	x6031
518B	Tanya and Postcard greedy, implementation, strings	1400	x7997
518A	Vitaly and Strings constructive algorithms, strings	1600	x9230
516E	Drazil and His Happy Friends math, number theory	3100	x505
516D	Drazil and Morning Exercise dfs and similar, dp, dsu, trees, two pointers	2800	x1319
515E	Drazil and Park data structures	2300	x2144
515D	Drazil and Tiles constructive algorithms, greedy	2000	x2867
515C	Drazil and Factorial greedy, math, sortings	1400	x26111
515B	Drazil and His Happy Friends brute force, dsu, meet-in-the-middle, number theory	1300	x7462
515A	Drazil and Date math	1000	x20385
514E	Darth Vader and Tree dp, matrices	2200	x1445
514D	R2D2 and Droid Army binary search, data structures, two pointers	2000	x4481
514C	Watto and Mechanism binary search, data structures, hashing, string suffix structures, strings	2000	x6952
514B	Han Solo and Lazer Gun brute force, data structures, geometry, implementation, math	1400	x20911
514A	Chewbaсca and Number greedy, implementation	1200	x53436
513G3	Inversions problem dp	3100	x265
513G2	Inversions problem dp, probabilities	2400	x662
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1793
513F2	Scaygerboss flows	2800	x358
513F1	Scaygerboss flows	2700	x324
513E2	Subarray Cuts dp	2700	x592
513E1	Subarray Cuts dp	2600	x491
513D2	Constrained Tree constructive algorithms, data structures	2600	x384
513D1	Constrained Tree dfs and similar	2400	x621
513C	Second price auction bitmasks, probabilities	2000	x1563
513B2	Permutations bitmasks, divide and conquer, math	1800	x2639
513B1	Permutations brute force	1400	x3628
513A	Game constructive algorithms, math	800	x20455
512E	Fox And Polygon constructive algorithms, divide and conquer	2900	x522
512D	Fox And Travelling dp, trees	2900	x979
510E	Fox And Dinner flows	2300	x2207
510D	Fox And Jumping bitmasks, brute force, dp, math	1900	x5612
510C	Fox And Names dfs and similar, graphs, sortings	1600	x16501
510B	Fox And Two Dots dfs and similar	1500	x14094
510A	Fox And Snake implementation	800	x84823
509F	Progress Monitoring dp, trees	2300	x1075
509E	Pretty Song math, strings	2000	x1802
509D	Restoring Numbers constructive algorithms, math	2200	x760
509C	Sums of Digits dp, greedy, implementation	2000	x2101
509B	Painting Pebbles constructive algorithms, greedy, implementation	1300	x9638
509A	Maximum in Table brute force, implementation	800	x38619
508E	Arthur and Brackets dp, greedy	2200	x1761
508D	Tanya and Password dfs and similar, graphs	2500	x3439
508C	Anya and Ghosts constructive algorithms, greedy	1600	x4474
508B	Anton and currency you all know greedy, math, strings	1300	x22717
508A	Pasha and Pixels brute force	1100	x7961
507E	Breaking Good dfs and similar, dp, graphs, shortest paths	2100	x2917
507D	The Maths Lecture dp, implementation	2200	x1778
507C	Guess Your Way Out! implementation, math, trees	1700	x4347
507B	Amr and Pins geometry, math	1400	x24800
507A	Amr and Music greedy, implementation, sortings	1000	x18527
506E	Mr. Kitayuta's Gift combinatorics, dp, matrices, strings	3000	x755
506D	Mr. Kitayuta's Colorful Graph brute force, dfs and similar, dsu, graphs	2400	x2179
505E	Mr. Kitayuta vs. Bamboos binary search, greedy	2900	x1407
505D	Mr. Kitayuta's Technology dfs and similar	2200	x2543
505C	Mr. Kitayuta, the Treasure Hunter dfs and similar, dp, two pointers	1900	x6421
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x13147
505A	Mr. Kitayuta's Gift brute force, implementation, strings	1100	x6686
504E	Misha and LCP on Tree binary search, dfs and similar, hashing, string suffix structures, trees	3000	x939
504D	Misha and XOR bitmasks	2700	x307
501E	Misha and Palindrome Degree binary search, combinatorics, implementation	2500	x917
501D	Misha and Permutations Summation data structures	2000	x2423
501C	Misha and Forest constructive algorithms, data structures, greedy, sortings, trees	1500	x5662
501B	Misha and Changing Handles data structures, dsu, strings	1100	x16585
501A	Contest implementation	900	x22851
500G	New Year Running number theory, trees	3200	x157
500F	New Year Shopping divide and conquer, dp	2700	x742
500E	New Year Domino data structures, dp, dsu	2300	x1447
500D	New Year Santa Network combinatorics, dfs and similar, graphs, trees	1900	x3127
500C	New Year Book Reading constructive algorithms, greedy, implementation, math	1600	x5827
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8903
500A	New Year Transportation dfs and similar, graphs, implementation	1000	x53622
499B	Lecture implementation, strings	1000	x39609
499A	Watching a movie greedy, implementation	1000	x13978
498E	Stairs and Lines dp, matrices	2700	x477
498D	Traffic Jams in the Land data structures, dp, number theory	2400	x1126
498C	Array and Operations flows, graph matchings, number theory	2100	x3487
498B	Name That Tune dp, probabilities, two pointers	2400	x1180
498A	Crazy Town geometry	1700	x6475
497E	Subsequences Return dp, matrices	2900	x285
497D	Gears brute force, geometry, math	2900	x231
496E	Distributing Parts greedy, sortings	2100	x1663
496D	Tennis Game binary search	1900	x3024
496C	Removing Columns brute force, constructive algorithms, implementation	1500	x7754
496B	Secret Combination brute force, constructive algorithms, implementation	1500	x5929
496A	Minimum Difficulty brute force, implementation, math	900	x16458
495B	Modular Equations math, number theory	1600	x7007
495A	Digital Counter implementation	1100	x8496
494E	Sharti data structures, games	3200	x316