Problemset - Codeforces

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Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)
06:07:03
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Problems

#	Name
1468H	K and Medians constructive algorithms, greedy, math	2200	x1721
1468A	LaIS data structures, dp, greedy	2200	x1624
1467D	Sum of Paths combinatorics, dp, math	2200	x3590
1466F	Euclid's nightmare bitmasks, dfs and similar, dsu, graphs, greedy, math, sortings	2100	x2810
1461E	Water Level brute force, graphs, greedy, implementation, math	2200	x2085
1454F	Array Partition binary search, data structures, greedy, two pointers	2100	x3880
1453E	Dog Snacks binary search, dfs and similar, dp, greedy, trees	2300	x1992
1451E2	Bitwise Queries (Hard Version) bitmasks, constructive algorithms, interactive, math	2300	x2922
1450C2	Errich-Tac-Toe (Hard Version) constructive algorithms, math	2300	x3575
1450C1	Errich-Tac-Toe (Easy Version) constructive algorithms, math	2100	x5367
1446C	Xor Tree binary search, bitmasks, data structures, divide and conquer, dp, trees	2100	x3474
1438D	Powerful Ksenia bitmasks, constructive algorithms, math	2200	x4126
1437E	Make It Increasing binary search, constructive algorithms, data structures, dp, implementation	2200	x3379
1433G	Reducing Delivery Cost brute force, graphs, shortest paths	2100	x4216
1433F	Zero Remainder Sum dp	2100	x5940
1431G	Number Deletion Game *special problem, dp, games, greedy	2100	x179
1431F	Neural Network Problem *special problem, binary search, greedy	2100	x155
1428E	Carrots for Rabbits binary search, data structures, greedy, math, sortings	2200	x3582
1425E	Excitation of Atoms greedy, implementation	2200	x912
1425D	Danger of Mad Snakes combinatorics, dp, math	2300	x819
1424M	Ancient Language graphs, sortings	2200	x522
1422D	Returning Home graphs, shortest paths, sortings	2300	x2731
1420C2	Pokémon Army (hard version) data structures, divide and conquer, dp, greedy, implementation	2100	x4583
1419E	Decryption constructive algorithms, implementation, math, number theory	2100	x3223
1418D	Trash Problem data structures, implementation	2100	x4278
1415E	New Game Plus! constructive algorithms, greedy, math	2200	x2616
1413E	Solo mid Oracle greedy, math, ternary search	2100	x1988
1411E	Poman Numbers bitmasks, greedy, math, strings	2300	x1573
1411D	Grime Zoo brute force, greedy, implementation, strings	2100	x2451
1409F	Subsequences of Length Two dp, strings	2100	x4368
1408F	Two Different constructive algorithms, divide and conquer	2300	x2331
1407D	Discrete Centrifugal Jumps data structures, dp, graphs	2200	x4731
1406D	Three Sequences constructive algorithms, data structures, greedy, math	2200	x3457
1404C	Fixed Point Removal binary search, constructive algorithms, data structures, greedy, two pointers	2300	x2596
1403B	Spring cleaning *special problem, data structures, dfs and similar, graphs, trees	2300	x362
1400E	Clear the Multiset data structures, divide and conquer, dp, greedy	2200	x5223
1399F	Yet Another Segments Subset data structures, dp, graphs, sortings	2300	x1580
1399E2	Weights Division (hard version) binary search, dfs and similar, greedy, sortings, trees, two pointers	2200	x2240
1398E	Two Types of Spells binary search, data structures, greedy, implementation, math, sortings	2200	x2245
1396C	Monster Invaders dp, greedy, implementation	2300	x2467
1394B	Boboniu Walks on Graph brute force, dfs and similar, graphs, hashing	2300	x1849
1393D	Rarity and New Dress dfs and similar, dp, implementation, shortest paths	2100	x3841
1392E	Omkar and Duck bitmasks, constructive algorithms, interactive, math	2100	x3339
1389E	Calendar Ambiguity math, number theory	2200	x3205
1389D	Segment Intersections brute force, greedy, implementation, math	2100	x4111
1387B1	Village (Minimum) *special problem, dp, greedy, trees	2100	x1366
1387A	Graph *special problem, binary search, dfs and similar, dp, math, ternary search	2100	x689
1385G	Columns Swaps 2-sat, dfs and similar, dsu, graphs, implementation	2300	x1394
1385F	Removing Leaves data structures, greedy, implementation, trees	2300	x2347
1384B2	Koa and the Beach (Hard Version) constructive algorithms, dp, greedy, implementation	2200	x2477
1380E	Merging Towers data structures, dsu, implementation, trees	2300	x1987
1379D	New Passenger Trams binary search, brute force, data structures, sortings, two pointers	2300	x1064
1373E	Sum of Digits brute force, constructive algorithms, dp, greedy	2200	x2716
1372D	Omkar and Circle brute force, dp, games, greedy	2100	x5327
1371E2	Asterism (Hard Version) binary search, combinatorics, dp, math, number theory, sortings	2300	x2316
1370E	Binary Subsequence Rotation binary search, constructive algorithms, data structures, greedy	2100	x4702
1367F1	Flying Sort (Easy Version) dp, greedy, two pointers	2100	x3085
1366E	Two Arrays binary search, brute force, combinatorics, constructive algorithms, dp, two pointers	2100	x4097
1365F	Swaps Again constructive algorithms, implementation, sortings	2100	x4370
1364D	Ehab's Last Corollary constructive algorithms, dfs and similar, graphs, greedy, implementation, trees	2100	x4175
1363D	Guess The Maximums binary search, implementation, interactive, math	2100	x4038
1360H	Binary Median binary search, bitmasks, brute force, constructive algorithms	2100	x4510
1355E	Restorer Distance binary search, greedy, math, sortings, ternary search	2100	x4993
1354E	Graph Coloring dfs and similar, dp, graphs	2100	x3280
1353F	Decreasing Heights brute force, dp	2200	x3272
1346G	Two IP Cameras *special problem, math, number theory	2300	x133
1343E	Weights Distributing brute force, graphs, greedy, shortest paths, sortings	2100	x5055
1342E	Placing Rooks combinatorics, fft, math	2300	x3031
1338C	Perfect Triples bitmasks, brute force, constructive algorithms, divide and conquer, math	2200	x3164
1336C	Kaavi and Magic Spell dp, strings	2200	x3531
1335F	Robots on a Grid data structures, dfs and similar, dsu, graphs, greedy, matrices	2200	x2162
1334E	Divisor Paths combinatorics, graphs, greedy, math, number theory	2200	x2796
1333F	Kate and imperfection greedy, implementation, math, number theory, sortings, two pointers	2200	x4206
1333D	Challenges in school №41 brute force, constructive algorithms, games, graphs, greedy, implementation, sortings	2100	x3901
1332E	Height All the Same combinatorics, constructive algorithms, math, matrices	2100	x3783
1328F	Make k Equal greedy	2200	x3196
1327D	Infinite Path brute force, dfs and similar, graphs, math, number theory	2200	x3245
1322C	Instant Noodles graphs, hashing, math, number theory	2300	x2370
1322B	Present binary search, bitmasks, constructive algorithms, data structures, math, sortings	2100	x4148
1316E	Team Building bitmasks, dp, greedy, sortings	2300	x3783
1312E	Array Shrinking dp, greedy	2100	x5769
1311E	Construct the Binary Tree brute force, constructive algorithms, trees	2200	x2319
1310D	Tourism dp, graphs, probabilities	2300	x1516
1305E	Kuroni and the Score Distribution constructive algorithms, greedy, implementation, math	2200	x3063
1304F1	Animal Observation (easy version) data structures, dp	2300	x1731
1303E	Erase Subsequences dp, strings	2200	x2740
1299C	Water Balance data structures, geometry, greedy	2100	x3860
1296F	Berland Beauty constructive algorithms, dfs and similar, greedy, sortings, trees	2100	x2849
1295E	Permutation Separation data structures, divide and conquer	2200	x2496
1292C	Xenon's Attack on the Gangs combinatorics, dfs and similar, dp, greedy, trees	2300	x2029
1285E	Delete a Segment brute force, constructive algorithms, data structures, dp, graphs, sortings, trees, two pointers	2300	x1810
1284D	New Year and Conference binary search, data structures, hashing, sortings	2100	x3125
1283F	DIY Garland constructive algorithms, greedy, trees	2200	x1812
1282D	Enchanted Artifact constructive algorithms, interactive, strings	2300	x2223
1278E	Tests for problem D constructive algorithms, dfs and similar, divide and conquer, trees	2200	x1897
1278D	Segment Tree data structures, dsu, graphs, trees	2100	x3919
1276C	Beautiful Rectangle brute force, combinatorics, constructive algorithms, data structures, greedy, math	2300	x1641
1272F	Two Bracket Sequences dp, strings, two pointers	2200	x1918
1271E	Common Number binary search, combinatorics, dp, math	2100	x3339
1271D	Portals data structures, dp, greedy, implementation, sortings	2100	x2977