Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round #726 (Div. 2)
4 days

→ Filter Problems

Difficulty: —

constructive algorithms

Add tag

Problems

#	Name
1423J	Bubble Cup hypothesis bitmasks, constructive algorithms, dp, math	2400	x523
1526E	Oolimry and Suffix Array combinatorics, constructive algorithms, math	2400	x532
733E	Sleep in Class constructive algorithms, data structures, math, two pointers	2400	x539
625D	Finals in arithmetic constructive algorithms, implementation, math	2400	x549
1182D	Complete Mirror constructive algorithms, dfs and similar, dp, hashing, implementation, trees	2400	x602
417E	Square Table constructive algorithms, math, probabilities	2400	x624
1098C	Construct a tree binary search, constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x640
755E	PolandBall and White-Red graph constructive algorithms, graphs, shortest paths	2400	x667
1107G	Vasya and Maximum Profit binary search, constructive algorithms, data structures, dp, dsu	2400	x685
1152E	Neko and Flashback constructive algorithms, dfs and similar, graphs	2400	x703
329C	Graph Reconstruction constructive algorithms	2400	x705
835E	The penguin's game binary search, constructive algorithms, interactive	2400	x723
1282E	The Cake Is a Lie constructive algorithms, data structures, dfs and similar, graphs	2400	x751
297C	Splitting the Uniqueness constructive algorithms	2400	x778
1137D	Cooperative Game constructive algorithms, interactive, number theory	2400	x807
621D	Rat Kwesh and Cheese brute force, constructive algorithms, math	2400	x857
1174F	Ehab and the Big Finale constructive algorithms, divide and conquer, graphs, implementation, interactive, trees	2400	x873
1286C1	Madhouse (Easy version) brute force, constructive algorithms, interactive, math	2400	x886
911F	Tree Destruction constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x907
1028E	Restore Array constructive algorithms	2400	x939
1343F	Restore the Permutation by Sorted Segments brute force, constructive algorithms, data structures, greedy, implementation	2400	x975
1450F	The Struggling Contestant constructive algorithms, greedy	2400	x987
1463E	Plan of Lectures constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, trees	2400	x994
1244G	Running in Pairs constructive algorithms, greedy, math	2400	x1001
1374F	Cyclic Shifts Sorting brute force, constructive algorithms, implementation, sortings	2400	x1018
1333E	Road to 1600 brute force, constructive algorithms	2400	x1049
1455E	Four Points brute force, constructive algorithms, flows, geometry, greedy, implementation, math, ternary search	2400	x1081
1494E	A-Z Graph constructive algorithms, data structures, graphs, hashing	2400	x1136
525D	Arthur and Walls constructive algorithms, data structures, graphs, greedy, shortest paths	2400	x1228
1373F	Network Coverage binary search, constructive algorithms, data structures, greedy	2400	x1254
1329C	Drazil Likes Heap constructive algorithms, data structures, greedy, implementation	2400	x1283
798D	Mike and distribution constructive algorithms, sortings	2400	x1435
1392F	Omkar and Landslide binary search, constructive algorithms, data structures, greedy, math	2400	x1544
1358E	Are You Fired? constructive algorithms, data structures, greedy, implementation	2400	x1604
865D	Buy Low Sell High constructive algorithms, data structures, greedy	2400	x1965
306D	Polygon constructive algorithms, geometry	2300	x198
213D	Stars constructive algorithms, geometry	2300	x289
42D	Strange town constructive algorithms, math	2300	x305
313E	Ilya and Two Numbers constructive algorithms, data structures, dsu, greedy	2300	x455
424D	Biathlon Track binary search, brute force, constructive algorithms, data structures, dp	2300	x466
748F	Santa Clauses and a Soccer Championship constructive algorithms, dfs and similar, graphs, trees	2300	x509
432E	Square Tiling constructive algorithms, greedy	2300	x529
141E	Clearing Up constructive algorithms, dp, dsu, graphs	2300	x559
97B	Superset constructive algorithms, divide and conquer	2300	x560
1039A	Timetable constructive algorithms, data structures, greedy, math	2300	x638
277B	Set of Points constructive algorithms, geometry	2300	x639
429C	Guess the Tree bitmasks, constructive algorithms, dp, greedy, trees	2300	x709
670F	Restore a Number brute force, constructive algorithms, strings	2300	x762
460D	Little Victor and Set brute force, constructive algorithms, math	2300	x799
573C	Bear and Drawing constructive algorithms, dfs and similar, trees	2300	x844
858F	Wizard's Tour constructive algorithms, dfs and similar, graphs	2300	x879
327E	Axis Walking bitmasks, combinatorics, constructive algorithms, dp, meet-in-the-middle	2300	x893
936C	Lock Puzzle constructive algorithms, implementation, strings	2300	x925
772C	Vulnerable Kerbals constructive algorithms, dp, graphs, math, number theory	2300	x957
1254C	Point Ordering constructive algorithms, geometry, interactive, math	2300	x969
1513E	Cost Equilibrium combinatorics, constructive algorithms, math, sortings	2300	x980
610D	Vika and Segments constructive algorithms, data structures, geometry, two pointers	2300	x1007
1244F	Chips constructive algorithms, implementation	2300	x1061
1004D	Sonya and Matrix brute force, constructive algorithms, implementation	2300	x1091
1276C	Beautiful Rectangle brute force, combinatorics, constructive algorithms, data structures, greedy, math	2300	x1101
584E	Anton and Ira constructive algorithms, greedy, math	2300	x1182
1285E	Delete a Segment brute force, constructive algorithms, data structures, dp, graphs, sortings, trees, two pointers	2300	x1226
549B	Looksery Party constructive algorithms, dfs and similar, graphs, greedy	2300	x1298
1148E	Earth Wind and Fire constructive algorithms, greedy, math, sortings, two pointers	2300	x1349
888G	Xor-MST bitmasks, constructive algorithms, data structures	2300	x1570
1282D	Enchanted Artifact constructive algorithms, interactive, strings	2300	x1609
1270E	Divide Points constructive algorithms, geometry, math	2300	x1624
487C	Prefix Product Sequence constructive algorithms, math, number theory	2300	x1701
1408F	Two Different constructive algorithms, divide and conquer	2300	x1724
1495C	Garden of the Sun constructive algorithms, graphs	2300	x1760
1494D	Dogeforces constructive algorithms, data structures, dfs and similar, divide and conquer, dsu, greedy, sortings, trees	2300	x1801
1404C	Fixed Point Removal binary search, constructive algorithms, data structures, greedy, two pointers	2300	x1818
715B	Complete The Graph binary search, constructive algorithms, graphs, shortest paths	2300	x1881
1451E2	Bitwise Queries (Hard Version) bitmasks, constructive algorithms, interactive, math	2300	x1986
1450C2	Errich-Tac-Toe (Hard Version) constructive algorithms, math	2300	x2460
316F3	Suns and Rays constructive algorithms, dfs and similar, implementation	2200	x144
952G	Puzzling Language constructive algorithms	2200	x169
774H	Repairing Of String *special problem, constructive algorithms	2200	x206
593C	Beautiful Function constructive algorithms, math	2200	x226
125D	Two progressions constructive algorithms, greedy	2200	x280
323B	Tournament-graph constructive algorithms, graphs	2200	x288
802H	Fake News (medium) constructive algorithms, strings	2200	x295
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x301
134C	Swaps constructive algorithms, graphs, greedy	2200	x357
42C	Safe cracking brute force, constructive algorithms	2200	x363
271E	Three Horses constructive algorithms, math, number theory	2200	x399
1231E	Middle-Out constructive algorithms, greedy, strings	2200	x477
1157G	Inverse of Rows and Columns brute force, constructive algorithms	2200	x600
350E	Wrong Floyd brute force, constructive algorithms, dfs and similar, graphs	2200	x633
509D	Restoring Numbers constructive algorithms, math	2200	x646
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2200	x659
354E	Lucky Number Representation constructive algorithms, dfs and similar, dp	2200	x745
754C	Vladik and chat brute force, constructive algorithms, dp, implementation, strings	2200	x791
773C	Prairie Partition binary search, constructive algorithms, greedy, math	2200	x816
962E	Byteland, Berland and Disputed Cities constructive algorithms, greedy	2200	x865
906B	Seating of Students brute force, constructive algorithms, math	2200	x948
272E	Dima and Horses combinatorics, constructive algorithms, graphs	2200	x967
612E	Square Root of Permutation combinatorics, constructive algorithms, dfs and similar, graphs, math	2200	x975
1283F	DIY Garland constructive algorithms, greedy, trees	2200	x1059
925C	Big Secret constructive algorithms, math	2200	x1059