Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 950 (Div. 3)
15:47:59
Register now »

→ Filter Problems

Difficulty: —

sortings

Add tag

Problems

#	Name
1316B	String Modification brute force, constructive algorithms, implementation, sortings, strings	1400	x11006
1312B	Bogosort constructive algorithms, sortings	1000	x24973
1311F	Moving Points data structures, divide and conquer, implementation, sortings	1900	x3964
1311B	WeirdSort dfs and similar, sortings	1200	x18524
1310A	Recommendations data structures, greedy, sortings	1700	x4987
1307D	Cow and Fields binary search, data structures, dfs and similar, graphs, greedy, shortest paths, sortings	1900	x6048
1305A	Kuroni and the Gifts brute force, constructive algorithms, greedy, sortings	800	x13799
1304C	Air Conditioner dp, greedy, implementation, sortings, two pointers	1500	x15834
1300B	Assigning to Classes greedy, implementation, sortings	1000	x22394
1297F	Movie Fan *special problem, data structures, greedy, implementation, sortings		x114
1297D	Bonus Distribution *special problem, binary search, greedy, sortings		x260
1297B	Cartoons *special problem, implementation, sortings		x411
1296F	Berland Beauty constructive algorithms, dfs and similar, greedy, sortings, trees	2100	x2685
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7152
1296D	Fight with Monsters greedy, sortings	1500	x13910
1294B	Collecting Packages implementation, sortings	1200	x21272
1286A	Garland dp, greedy, sortings	1800	x8438
1285E	Delete a Segment brute force, constructive algorithms, data structures, dp, graphs, sortings, trees, two pointers	2300	x1668
1284E	New Year and Castle Construction combinatorics, geometry, math, sortings	2500	x1097
1284D	New Year and Conference binary search, data structures, hashing, sortings	2100	x2918
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x10606
1282C	Petya and Exam greedy, sortings, two pointers	1800	x4114
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x9843
1282B1	K for the Price of One (Easy Version) dp, greedy, sortings	1400	x11191
1272A	Three Friends brute force, greedy, math, sortings	900	x20101
1271D	Portals data structures, dp, greedy, implementation, sortings	2100	x2810
1270D	Strange Device constructive algorithms, interactive, math, sortings	1900	x4461
1269B	Modulo Equality brute force, sortings	1500	x8909
1267I	Intriguing Selection brute force, constructive algorithms, implementation, interactive, sortings	2600	x765
1260D	A Game with Traps binary search, dp, greedy, sortings	1900	x3646
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7347
1257C	Dominated Subarray greedy, implementation, sortings, strings, two pointers	1200	x15736
1256F	Equalizing Two Strings constructive algorithms, sortings, strings	2000	x3225
1256E	Yet Another Division Into Teams dp, greedy, sortings	2000	x4028
1253E	Antenna Coverage data structures, dp, greedy, sortings	2200	x2721
1253D	Harmonious Graph constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	1700	x8964
1253C	Sweets Eating dp, greedy, math, sortings	1500	x13950
1251D	Salary Changing binary search, greedy, sortings	1900	x5799
1249D2	Too Many Segments (hard version) data structures, greedy, sortings	1800	x5055
1248B	Grow The Tree greedy, math, sortings	900	x16627
1244E	Minimizing Difference binary search, constructive algorithms, greedy, sortings, ternary search, two pointers	2000	x4864
1242B	0-1 MST dfs and similar, dsu, graphs, sortings	1900	x7143
1238G	Adilbek and the Watering System data structures, greedy, sortings	2700	x399
1238B	Kill `Em All greedy, sortings	1300	x13260
1237C2	Balanced Removals (Harder) binary search, constructive algorithms, divide and conquer, greedy, implementation, sortings	1900	x4268
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x15021
1223E	Paint the Tree dp, sortings, trees	2100	x2526
1221F	Choose a Square binary search, data structures, sortings	2400	x978
1220A	Cards implementation, sortings, strings	800	x29080
1216B	Shooting greedy, implementation, sortings	900	x18128
1214F	Employment greedy, sortings	2700	x425
1214E	Petya and Construction Set constructive algorithms, graphs, math, sortings, trees	2000	x2653
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x6835
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11226
1211C	Ice Cream *special problem, greedy, sortings	1700	x480
1209E2	Rotate Columns (hard version) bitmasks, dp, greedy, sortings	2500	x1856
1209E1	Rotate Columns (easy version) bitmasks, brute force, dp, greedy, sortings	2000	x2874
1206A	Choose Two Numbers math, sortings	800	x23675
1203E	Boxers greedy, sortings	1500	x13594
1201C	Maximum Median binary search, greedy, math, sortings	1400	x21852
1198C	Matching vs Independent Set constructive algorithms, graphs, greedy, sortings	2000	x3427
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9341
1198A	MP3 sortings, two pointers	1600	x8918
1197E	Culture Code binary search, combinatorics, data structures, dp, shortest paths, sortings	2300	x1606
1197C	Array Splitting greedy, sortings	1400	x13700
1197A	DIY Wooden Ladder greedy, math, sortings	900	x13402
1196F	K-th Path brute force, constructive algorithms, shortest paths, sortings	2200	x2462
1195F	Geometers Anonymous Club data structures, geometry, math, sortings	2500	x697
1194E	Count The Rectangles bitmasks, brute force, data structures, geometry, sortings	2200	x1894
1190D	Tokitsukaze and Strange Rectangle data structures, divide and conquer, sortings, two pointers	2000	x2223
1189B	Number Circle greedy, math, sortings	1100	x13853
1187D	Subarray Sorting data structures, sortings	2400	x2474
1185C1	Exam in BerSU (easy version) greedy, sortings	1200	x11109
1184B2	The Doctor Meets Vader (Medium) flows, graph matchings, graphs, shortest paths, sortings	2200	x569
1184B1	The Doctor Meets Vader (Easy) binary search, sortings	1400	x5134
1183G	Candy Box (hard version) greedy, implementation, sortings	2000	x2303
1183F	Topforces Strikes Back brute force, math, sortings	2100	x1786
1183D	Candy Box (easy version) greedy, sortings	1400	x13470
1181E2	A Story of One Country (Hard) brute force, greedy, sortings	3000	x265
1181E1	A Story of One Country (Easy) brute force, divide and conquer, sortings	2500	x455
1181D	Irrigation binary search, data structures, implementation, sortings, trees, two pointers	2200	x2085
1176F	Destroy it! dp, implementation, sortings	2100	x1753
1176D	Recover it! dfs and similar, graphs, greedy, number theory, sortings	1800	x5157
1175D	Array Splitting greedy, sortings	1900	x5800
1174B	Ehab Is an Odd Person sortings	1200	x15171
1174A	Ehab Fails to Be Thanos constructive algorithms, greedy, sortings	1000	x17272
1167F	Scalar Queries combinatorics, data structures, math, sortings	2300	x1579
1166C	A Tale of Two Lands binary search, sortings, two pointers	1500	x9204
1165E	Two Arrays and Sum of Functions greedy, math, sortings	1600	x8010
1165B	Polycarp Training data structures, greedy, sortings	1000	x20418
1158C	Permutation recovery constructive algorithms, data structures, dfs and similar, graphs, greedy, math, sortings	2100	x1731
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x6891
1156C	Match Points binary search, greedy, sortings, ternary search, two pointers	2000	x5919
1156B	Ugly Pairs dfs and similar, greedy, implementation, sortings, strings	1800	x6145
1155A	Reverse a Substring implementation, sortings, strings	1000	x13745
1154F	Shovels Shop dp, greedy, sortings	2100	x2616
1154E	Two Teams data structures, implementation, sortings	1800	x6081
1151D	Stas and the Queue at the Buffet greedy, math, sortings	1600	x8237
1148E	Earth Wind and Fire constructive algorithms, greedy, math, sortings, two pointers	2300	x1656
1148D	Dirty Deeds Done Dirt Cheap greedy, sortings	1800	x4878