Problemset - Codeforces

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Codeforces Round (Div. 2)
7 days

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Problems

#	Name
1426A	Floor Number implementation, math	800	x46412
1422A	Fence geometry, math	800	x20704
1421A	XORwice bitmasks, greedy, math	800	x27809
1420A	Cubes Sorting math, sortings	900	x23040
1419D1	Sage's Birthday (easy version) binary search, constructive algorithms, greedy, sortings	1000	x23862
1419A	Digit Game games, greedy, implementation	900	x19365
1418A	Buying Torches math	1000	x22044
1417A	Copy-paste greedy, math	800	x18086
1415A	Prison Break brute force, math	800	x14963
1413A	Finding Sasuke constructive algorithms, math	800	x14634
1411B	Fair Numbers brute force, number theory	1000	x18289
1411A	In-game Chat implementation	800	x20202
1409A	Yet Another Two Integers Problem greedy, math	800	x63798
1408A	Circle Coloring constructive algorithms	800	x12418
1406A	Subset Mex greedy, implementation, math	900	x21051
1405B	Array Cancellation constructive algorithms, implementation	1000	x21165
1405A	Permutation Forgery constructive algorithms	800	x21282
1401A	Distance and Axis constructive algorithms, math	900	x27036
1400A	String Similarity constructive algorithms, strings	800	x26654
1399B	Gifts Fixing greedy	800	x42762
1399A	Remove Smallest greedy, sortings	800	x64049
1398B	Substring Removal Game games, greedy, sortings	800	x24204
1398A	Bad Triangle geometry, math	800	x27152
1397A	Juggling Letters greedy, strings	800	x28253
1395A	Boboniu Likes to Color Balls brute force, math	1000	x23656
1393A	Rainbow Dash, Fluttershy and Chess Coloring greedy, math	800	x20259
1392B	Omkar and Infinity Clock implementation, math	800	x18421
1392A	Omkar and Password greedy, math	800	x20284
1391B	Fix You brute force, greedy, implementation	800	x26413
1391A	Suborrays constructive algorithms, math	800	x24067
1389A	LCM Problem constructive algorithms, greedy, math, number theory	800	x39403
1388B	Captain Flint and a Long Voyage greedy, math	1000	x21999
1388A	Captain Flint and Crew Recruitment brute force, greedy, math, number theory	800	x24629
1385B	Restore the Permutation by Merger greedy	800	x36605
1385A	Three Pairwise Maximums math	800	x38126
1382A	Common Subsequence brute force	800	x26182
1380A	Three Indices brute force, data structures	900	x24298
1374C	Move Brackets greedy, strings	1000	x44493
1374B	Multiply by 2, divide by 6 math	900	x47273
1374A	Required Remainder math	800	x51868
1373B	01 Game games	900	x33822
1373A	Donut Shops greedy, implementation, math	1000	x26267
1372A	Omkar and Completion constructive algorithms, implementation	800	x31664
1371A	Magical Sticks math	800	x44951
1370A	Maximum GCD greedy, implementation, math, number theory	800	x50018
1369A	FashionabLee geometry, math	800	x35952
1368A	C+= brute force, greedy, implementation, math	800	x37651
1367B	Even Array greedy, math	800	x51420
1367A	Short Substrings implementation, strings	800	x55805
1362A	Johnny and Ancient Computer implementation	1000	x23052
1360B	Honest Coach greedy, sortings	800	x46776
1360A	Minimal Square greedy, math	800	x48928
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x27308
1359A	Berland Poker brute force, greedy, math	1000	x29055
1358B	Maria Breaks the Self-isolation greedy, sortings	1000	x24751
1358A	Park Lighting greedy, math	800	x38591
1354A	Alarm Clock math	900	x23469
1353C	Board Moves math	1000	x34614
1353B	Two Arrays And Swaps greedy, sortings	800	x48253
1353A	Most Unstable Array constructive algorithms, greedy, math	800	x39689
1352A	Sum of Round Numbers implementation, math	800	x74560
1351B	Square? brute force, implementation, math	900	x16659
1351A	A+B (Trial Problem) implementation	800	x23230
1350A	Orac and Factors math	900	x25768
1348A	Phoenix and Balance greedy, math	800	x38930
1346A	Color Revolution *special problem, math	1000	x1955
1345A	Puzzle Pieces math	800	x23978
1343B	Balanced Array constructive algorithms, math	800	x54977
1343A	Candies brute force, math	900	x47013
1342A	Road To Zero greedy, math	1000	x39224
1341A	Nastya and Rice math	900	x28726
1339A	Filling Diamonds brute force, dp, implementation, math	900	x31511
1337B	Kana and Dragon Quest game greedy, implementation, math	900	x33624
1337A	Ichihime and Triangle constructive algorithms, math	800	x36982
1335B	Construct the String constructive algorithms	900	x37630
1335A	Candies and Two Sisters math	800	x80754
1333A	Little Artem constructive algorithms	1000	x24409
1330A	Dreamoon and Ranking Collection implementation	900	x18601
1328A	Divisibility Problem math	800	x96185
1326B	Maximums implementation, math	900	x23819
1326A	Bad Ugly Numbers constructive algorithms, number theory	1000	x29874
1325B	CopyCopyCopyCopyCopy greedy, implementation	800	x35331
1325A	EhAb AnD gCd constructive algorithms, greedy, number theory	800	x38921
1324A	Yet Another Tetris Problem implementation, number theory	900	x25671
1323A	Even Subset Sum Problem brute force, dp, greedy, implementation	800	x19593
1321A	Contest for Robots greedy	900	x14209
1316A	Grade Allocation implementation	800	x18574
1315A	Dead Pixel implementation	800	x11979
1313A	Fast Food Restaurant brute force, greedy, implementation	900	x15389
1312B	Bogosort constructive algorithms, sortings	1000	x25496
1312A	Two Regular Polygons geometry, greedy, math, number theory	800	x25592
1311A	Add Odd or Subtract Even greedy, implementation, math	800	x41205
1307A	Cow and Haybales greedy, implementation	800	x14887
1305A	Kuroni and the Gifts brute force, constructive algorithms, greedy, sortings	800	x13954
1304A	Two Rabbits math	800	x25229
1303A	Erasing Zeroes implementation, strings	800	x31271
1301A	Three Strings implementation, strings	800	x19231
1300B	Assigning to Classes greedy, implementation, sortings	1000	x22765
1300A	Non-zero implementation, math	800	x20891
1296B	Food Buying math	900	x29779