Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
1512G	Short Task brute force, dp, math, number theory	1700	x7776
1512E	Permutation by Sum brute force, greedy, math	1600	x9988
1511E	Colorings and Dominoes combinatorics, dp, greedy, math	2100	x2444
1511B	GCD Length constructive algorithms, math, number theory	1100	x21917
1510J	Japanese Game constructive algorithms, math	2700	x506
1510I	Is It Rated? greedy, interactive, math, probabilities	2700	x445
1510D	Digits dp, math, number theory	2100	x1791
1506F	Triangular Paths constructive algorithms, graphs, math, shortest paths, sortings	2000	x3096
1506A	Strange Table math	800	x30071
1505F	Math *special problem, math	2200	x1471
1504B	Flip the Bits constructive algorithms, greedy, implementation, math	1200	x17188
1503E	2-Coloring combinatorics, dp, math	3100	x591
1500B	Two chandeliers binary search, brute force, chinese remainder theorem, math, number theory	2200	x1983
1500A	Going Home brute force, hashing, implementation, math	1800	x8527
1499E	Chaotic Merge combinatorics, dp, math, strings	2400	x1405
1499D	The Number of Pairs dp, math, number theory	2100	x5437
1499C	Minimum Grid Path brute force, data structures, greedy, math	1500	x12312
1499A	Domino on Windowsill combinatorics, constructive algorithms, math	800	x21002
1498F	Christmas Game bitmasks, data structures, dfs and similar, dp, games, math, trees	2500	x842
1498A	GCD Sum brute force, math	800	x22618
1497E2	Square-free division (hard version) data structures, dp, greedy, math, number theory, two pointers	2500	x1557
1497E1	Square-Free Division (easy version) data structures, dp, greedy, math, number theory, two pointers	1700	x8019
1497C2	k-LCM (hard version) constructive algorithms, math	1600	x16388
1497C1	k-LCM (easy version) constructive algorithms, math	1200	x24441
1497B	M-arrays constructive algorithms, greedy, math	1200	x18452
1496B	Max and Mex math	1100	x17175
1495D	BFS Trees combinatorics, dfs and similar, graphs, math, shortest paths, trees	2600	x1190
1495A	Diamond Miner geometry, greedy, math, sortings	1200	x16640
1493E	Enormous XOR bitmasks, constructive algorithms, greedy, math, strings, two pointers	2600	x861
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x4731
1492D	Genius's Gambit bitmasks, constructive algorithms, greedy, math	1900	x5919
1492B	Card Deck data structures, greedy, math	1100	x18079
1492A	Three swimmers math	800	x22394
1491G	Switch and Flip constructive algorithms, graphs, math	2800	x715
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x6869
1491B	Minimal Cost brute force, math	1200	x13555
1490G	Old Floppy Drive binary search, data structures, math	1900	x5456
1490F	Equalize the Array binary search, data structures, greedy, math, sortings	1500	x15398
1490C	Sum of Cubes binary search, brute force, brute force, math	1100	x31151
1490B	Balanced Remainders brute force, constructive algorithms, math	1000	x25550
1490A	Dense Array greedy, math	800	x30567
1488J	Flower Shop *special problem, data structures, fft, math	3100	x31
1488C	Two Policemen *special problem, binary search, brute force, math	1900	x397
1488A	From Zero To Y *special problem, math	900	x1332
1487G	String Counting combinatorics, dp, fft, math	2700	x573
1487D	Pythagorean Triples binary search, brute force, math, number theory	1500	x16938
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x13661
1487B	Cat Cycle math, number theory	1200	x19573
1485D	Multiples and Power Differences constructive algorithms, graphs, math, number theory	2200	x4929
1485C	Floor and Mod binary search, brute force, math, number theory	1700	x9503
1485B	Replace and Keep Sorted dp, implementation, math	1200	x16642
1485A	Add and Divide brute force, greedy, math, number theory	1000	x20730
1482B	Restore Modulo implementation, math	1500	x9036
1482A	Prison Break math	800	x20127
1479E	School Clubs dp, fft, math, number theory, probabilities	3500	x181
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9477
1478B	Nezzar and Lucky Number brute force, dp, greedy, math	1100	x18018
1477F	Nezzar and Chocolate Bars combinatorics, fft, math, probabilities	3500	x122
1477C	Nezzar and Nice Beatmap constructive algorithms, geometry, greedy, math, sortings	2200	x2199
1477A	Nezzar and Board constructive algorithms, math, number theory	1800	x5654
1476B	Inflation binary search, brute force, greedy, math	1300	x19440
1476A	K-divisible Sum binary search, constructive algorithms, greedy, math	1000	x34875
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6383
1475E	Advertising Agency combinatorics, math, sortings	1600	x12829
1475C	Ball in Berland combinatorics, graphs, math	1400	x19898
1475B	New Year's Number brute force, dp, math	900	x46228
1475A	Odd Divisor math, number theory	900	x54817
1474F	1 2 3 4 ... dp, math, matrices	3000	x239
1474D	Cleaning data structures, dp, greedy, math	2200	x3865
1474B	Different Divisors binary search, constructive algorithms, greedy, math, number theory	1000	x26210
1473G	Tiles combinatorics, dp, fft, math	2800	x378
1473F	Strange Set flows, math	2700	x901
1473C	No More Inversions constructive algorithms, math	1500	x12343
1473B	String LCM brute force, math, number theory, strings	1000	x29578
1473A	Replacing Elements greedy, implementation, math, sortings	800	x32798
1472B	Fair Division dp, greedy, math	800	x47281
1472A	Cards for Friends greedy, math	800	x40741
1471B	Strange List brute force, greedy, implementation, math	1100	x19091
1471A	Strange Partition greedy, math, number theory	900	x24404
1470B	Strange Definition bitmasks, graphs, hashing, math, number theory	1900	x6137
1469D	Ceil Divisions brute force, constructive algorithms, math, number theory	1700	x9126
1468L	Prime Divisors Selection binary search, greedy, math, number theory	2700	x310
1468I	Plane Tiling geometry, implementation, math	2500	x469
1468H	K and Medians constructive algorithms, greedy, math	2200	x1702
1467D	Sum of Paths combinatorics, dp, math	2200	x3537
1467A	Wizard of Orz constructive algorithms, greedy, math	900	x23833
1466H	Finding satisfactory solutions combinatorics, dp, graphs, greedy, math	3300	x258
1466G	Song of the Sirens combinatorics, divide and conquer, hashing, math, string suffix structures, strings	2600	x848
1466F	Euclid's nightmare bitmasks, dfs and similar, dsu, graphs, greedy, math, sortings	2100	x2786
1466E	Apollo versus Pan bitmasks, brute force, math	1800	x6931
1466A	Bovine Dilemma brute force, geometry, math	800	x22255
1463F	Max Correct Set bitmasks, dp, math	3100	x550
1463A	Dungeon binary search, math	1100	x24404
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9187
1462E1	Close Tuples (easy version) binary search, combinatorics, math, sortings, two pointers	1500	x13164
1462D	Add to Neighbour and Remove greedy, math, number theory	1400	x16185
1462C	Unique Number brute force, greedy, math	900	x31125
1461E	Water Level brute force, graphs, greedy, implementation, math	2200	x2059
1461C	Random Events dp, math, probabilities	1500	x10828
1459B	Move and Turn dp, math	1300	x13851