Problemset - Codeforces

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Codeforces Round #630 (Div. 2)
16:54:01
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constructive algorithms

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Problems

#	Name
266B	Queue at the School constructive algorithms, graph matchings, implementation, shortest paths	900	x37782
148A	Insomnia cure constructive algorithms, implementation, math	900	x29967
443A	Anton and Letters constructive algorithms, implementation	800	x27164
732A	Buy a Shovel brute force, constructive algorithms, implementation, math	800	x21530
467B	Fedor and New Game bitmasks, brute force, constructive algorithms, implementation	1200	x16493
1196A	Three Piles of Candies brute force, constructive algorithms, math	700	x16135
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x15623
1325A	EhAb AnD gCd constructive algorithms, greedy, number theory	800	x14972
686A	Free Ice Cream constructive algorithms, implementation	800	x14249
688B	Lovely Palindromes constructive algorithms, math	1000	x13922
513A	Game constructive algorithms, math	900	x13846
1326A	Bad Ugly Numbers constructive algorithms, number theory	1000	x13513
766B	Mahmoud and a Triangle constructive algorithms, geometry, greedy, math, number theory, sortings	1100	x12800
118B	Present from Lena constructive algorithms, implementation	1100	x12731
766A	Mahmoud and Longest Uncommon Subsequence constructive algorithms, strings	1000	x12389
1312B	Bogosort constructive algorithms, sortings	1000	x11597
798A	Mike and palindrome brute force, constructive algorithms, strings	1100	x11542
768A	Oath of the Night's Watch constructive algorithms, sortings	1000	x11109
680B	Bear and Finding Criminals constructive algorithms, implementation	1000	x11034
1104A	Splitting into digits constructive algorithms, implementation, math	800	x10932
1088A	Ehab and another construction problem brute force, constructive algorithms	800	x10558
804A	Find Amir constructive algorithms, greedy, math	1100	x10460
670A	Holidays brute force, constructive algorithms, greedy, math	1000	x10358
595A	Vitaly and Night constructive algorithms, implementation	700	x10330
761A	Dasha and Stairs brute force, constructive algorithms, implementation, math	1100	x10327
672B	Different is Good constructive algorithms, implementation, strings	1000	x10306
1304B	Longest Palindrome brute force, constructive algorithms, greedy, implementation, strings	1100	x10289
538B	Quasi Binary constructive algorithms, dp, greedy, implementation	1400	x10131
4B	Before an Exam constructive algorithms, greedy	1500	x9941
570B	Simple Game constructive algorithms, games, greedy, implementation, math	1300	x9929
682A	Alyona and Numbers constructive algorithms, math, number theory	1200	x9836
1174A	Ehab Fails to Be Thanos constructive algorithms, greedy, sortings	1000	x9829
676A	Nicholas and Permutation constructive algorithms, implementation	1000	x9583
401C	Team constructive algorithms, greedy, implementation	1400	x9572
1196B	Odd Sum Segments constructive algorithms, math	1200	x9530
1305A	Kuroni and the Gifts brute force, constructive algorithms, greedy, sortings	800	x9417
854A	Fraction brute force, constructive algorithms, math	900	x9384
300A	Array brute force, constructive algorithms, implementation	1200	x9350
1205A	Almost Equal constructive algorithms, greedy, math	1300	x9303
1093B	Letters Rearranging constructive algorithms, greedy, sortings, strings	900	x9218
805B	3-palindrome constructive algorithms	1000	x9138
1207B	Square Filling constructive algorithms, greedy, implementation	1200	x9101
1270B	Interesting Subarray constructive algorithms, greedy, math	1300	x9074
680A	Bear and Five Cards constructive algorithms, implementation	900	x9037
1265A	Beautiful String constructive algorithms, greedy	1000	x8738
199A	Hexadecimal's theorem brute force, constructive algorithms, implementation, number theory	1000	x8708
534A	Exam constructive algorithms, implementation, math	1100	x8397
330B	Road Construction constructive algorithms, graphs	1300	x8362
1144C	Two Shuffled Sequences constructive algorithms, sortings	1100	x8339
629A	Far Relative’s Birthday Cake brute force, combinatorics, constructive algorithms, implementation	800	x8272
764B	Timofey and cubes constructive algorithms, implementation	1000	x8258
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x8232
1136B	Nastya Is Playing Computer Games constructive algorithms, math	1000	x8229
1091B	New Year and the Treasure Geolocation brute force, constructive algorithms, greedy, implementation	1200	x8199
1108D	Diverse Garland constructive algorithms, dp, greedy	1400	x8040
1149A	Prefix Sum Primes constructive algorithms, greedy, math, number theory	1300	x8030
776B	Sherlock and his girlfriend constructive algorithms, number theory	1200	x8010
1038B	Non-Coprime Partition constructive algorithms, math	1100	x8001
361A	Levko and Table constructive algorithms, implementation	800	x7963
1245B	Restricted RPS constructive algorithms, dp, greedy	1200	x7867
743A	Vladik and flights constructive algorithms, greedy, implementation	1200	x7801
779C	Dishonest Sellers constructive algorithms, greedy, sortings	1200	x7772
814A	An abandoned sentiment from past constructive algorithms, greedy, implementation, sortings	1000	x7742
1266B	Dice Tower constructive algorithms, math	1000	x7673
1166B	All the Vowels Please constructive algorithms, math, number theory	1100	x7648
1221B	Knights constructive algorithms, greedy	1100	x7636
1272B	Snow Walking Robot constructive algorithms, greedy, implementation	1200	x7607
932A	Palindromic Supersequence constructive algorithms	800	x7588
1081A	Definite Game constructive algorithms, math	800	x7582
268C	Beautiful Sets of Points constructive algorithms, implementation	1500	x7560
1037A	Packets constructive algorithms, greedy, math	1300	x7545
1099B	Squares and Segments binary search, constructive algorithms, math	1100	x7439
1327C	Game with Chips constructive algorithms, implementation	1600	x7432
1270C	Make Good bitmasks, constructive algorithms, math	1500	x7321
777A	Shell Game constructive algorithms, implementation, math	1100	x7265
1174C	Ehab and a Special Coloring Problem constructive algorithms, number theory	1300	x7202
1242A	Tile Painting constructive algorithms, math, number theory	1500	x7193
779A	Pupils Redistribution constructive algorithms, math	1100	x7181
1325C	Ehab and Path-etic MEXs constructive algorithms, dfs and similar, greedy, trees	1500	x7080
899A	Splitting in Teams constructive algorithms, greedy, math	900	x7060
732C	Sanatorium binary search, constructive algorithms, greedy, implementation, math	1300	x6972
1305B	Kuroni and Simple Strings constructive algorithms, greedy, strings, two pointers	1300	x6951
1065B	Vasya and Isolated Vertices constructive algorithms, graphs	1300	x6833
482A	Diverse Permutation constructive algorithms, greedy	1300	x6764
1063A	Oh Those Palindromes constructive algorithms, strings	1400	x6743
711B	Chris and Magic Square constructive algorithms, implementation	1400	x6690
625B	War of the Corporations constructive algorithms, greedy, strings	1300	x6677
998A	Balloons constructive algorithms, implementation	1000	x6604
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x6598
1153B	Serval and Toy Bricks constructive algorithms, greedy	1200	x6593
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1400	x6593
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x6586
982A	Row brute force, constructive algorithms	1200	x6579
570C	Replacement constructive algorithms, data structures, implementation	1600	x6578
708A	Letters Cyclic Shift constructive algorithms, greedy, implementation, strings	1200	x6556
1103A	Grid game constructive algorithms, implementation	1400	x6500
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x6492
801B	Valued Keys constructive algorithms, greedy, strings	1000	x6451
749B	Parallelogram is Back brute force, constructive algorithms, geometry	1300	x6398
854B	Maxim Buys an Apartment constructive algorithms, math	1200	x6395

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