Problemset - Codeforces

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Codeforces Round 1097 (Div. 1, Based on Zhili Cup 2026)
31:19:22
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Before contest
Codeforces Round 1097 (Div. 2, Based on Zhili Cup 2026)
31:19:21
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Problems

#	Name
59C	Title expression parsing	1600	x2453
58E	Expression dp	2400	x463
58D	Calendar greedy, strings	2000	x836
58C	Trees brute force	1800	x2264
57E	Chess math, shortest paths	3000	x289
57D	Journey dp, math	2500	x360
57C	Array combinatorics, math	1900	x4004
57B	Martian Architecture implementation	1600	x1167
56E	Domino Principle binary search, data structures, sortings	2200	x2840
56D	Changing a String dp	2100	x2091
56C	Corporation Mail data structures, expression parsing, implementation	1700	x1305
55E	Very simple problem geometry, two pointers	2500	x820
55D	Beautiful numbers dp, number theory	2500	x4620
55C	Pie or die games	1900	x1828
55B	Smallest number brute force	1600	x3446
54E	Vacuum Сleaner geometry	2700	x213
54D	Writing a Song brute force, dp, strings	2100	x709
54C	First Digit Law dp, math, probabilities	2000	x1640
54B	Cutting Jigsaw Puzzle hashing, implementation	1800	x909
53E	Dead Ends bitmasks, dp	2500	x1275
53D	Physical Education sortings	1500	x2626
53B	Blog Photo binary search, implementation	1700	x1571
52C	Circular RMQ data structures	2200	x11239
52B	Right Triangles combinatorics	1600	x2406
51F	Caterpillar dfs and similar, dp, graphs, trees	2800	x816
51E	Pentagon combinatorics, graphs, matrices	2400	x454
51D	Geometrical problem implementation	2200	x563
51C	Three Base Stations binary search, greedy	1800	x2911
51B	bHTML Tables Analisys expression parsing	1700	x1044
50E	Square Equation Roots math	2300	x432
50D	Bombing binary search, dp, probabilities	2100	x707
50C	Happy Farm 5 geometry	2000	x882
50B	Choosing Symbol Pairs strings	1500	x6450
49E	Common ancestor dp	2300	x798
49D	Game brute force, dp, implementation	1800	x2136
49C	Disposition constructive algorithms, math	1700	x1867
49B	Sum math	1500	x2802
48H	Black and White constructive algorithms	2800	x184
48G	Galaxy Union dp, trees, two pointers	2700	x324
48F	Snow sellers greedy, sortings	2800	x189
48E	Ivan the Fool VS Gorynych the Dragon dp, games, graphs	2100	x705
48D	Permutations greedy	1500	x2996
48C	The Race math	1800	x856
47E	Cannon data structures, geometry, sortings	2200	x440
47D	Safe brute force	2200	x974
47C	Crossword implementation	2000	x867
46G	Emperor's Problem geometry	2500	x134
46F	Hercule Poirot Problem dsu, graphs	2300	x358
46E	Comb data structures, dp	1900	x1159
46D	Parking Lot data structures, implementation	1800	x1094
46C	Hamsters and Tigers two pointers	1600	x2877
45J	Planting Trees constructive algorithms	1800	x1073
45I	TCMCF+++ greedy	1400	x2803
45H	Road Problem graphs	2100	x226
45G	Prime Problem number theory	2200	x1221
45F	Goats and Wolves greedy	2500	x167
45E	Director constructive algorithms, greedy	2000	x642
45D	Event Dates greedy, meet-in-the-middle, sortings	1900	x1973
45C	Dancing Lessons data structures	1900	x1147
45B	School dp, dsu	2200	x319
44J	Triminoes constructive algorithms, greedy	2000	x614
44I	Toys brute force, combinatorics	2300	x231
44H	Phone Number dp	1700	x2003
44G	Shooting Gallery data structures, implementation	2500	x501
44F	BerPaint geometry, graphs	2700	x80
44E	Anfisa the Monkey dp	1400	x6115
44D	Hyperdrive math	1800	x800
44B	Cola implementation	1500	x2302
43E	Race brute force, implementation, two pointers	2300	x446
43D	Journey brute force, constructive algorithms, implementation	2000	x1229
42E	Baldman and the military dfs and similar, graphs, trees	2700	x244
42D	Strange town constructive algorithms, math	2300	x485
42C	Safe cracking brute force, constructive algorithms	2200	x567
42B	Game of chess unfinished implementation	1700	x1154
42A	Guilty --- to the kitchen! greedy, implementation	1400	x3173
41E	3-cycles constructive algorithms, graphs, greedy	1900	x2226
41D	Pawn dp	1900	x2896
41B	Martian Dollar brute force	1400	x4627
40E	Number Table combinatorics	2500	x810
40D	Interesting Sequence math	2600	x170
40C	Berland Square implementation, math	2300	x326
40B	Repaintings math	1600	x1397
39K	Testing	2600	x102
39J	Spelling Check hashing, implementation, strings	1500	x3570
39I	Tram	2500	x199
39G	Inverse Function implementation	2400	x160
39E	What Has Dirichlet Got to Do with That? dp, games	2000	x1033
39C	Moon Craters dp, sortings	2100	x697
39A	C*++ Calculations expression parsing, greedy	2000	x794
38H	The Great Marathon dp	2400	x445
38G	Queue data structures	2300	x808
38F	Smart Boy dp, games, strings	2100	x446
38E	Let's Go Rolling! dp, sortings	1800	x2998
38D	Vasya the Architect implementation	1900	x1075
38C	Blinds brute force	1400	x2561
37E	Trial for Chief graphs, greedy, shortest paths	2600	x678
37D	Lesson Timetable combinatorics, dp, math	2300	x555
37C	Old Berland Language data structures, greedy, trees	1900	x2145
37B	Computer Game greedy, implementation	1800	x1094
36E	Two Paths constructive algorithms, dsu, graphs, implementation	2600	x614

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