Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 987 (Div. 2)
08:28:26
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1382A	Common Subsequence brute force	800	x26575
1380A	Three Indices brute force, data structures	900	x26310
1374C	Move Brackets greedy, strings	1000	x47655
1374B	Multiply by 2, divide by 6 math	900	x51362
1374A	Required Remainder math	800	x54406
1373B	01 Game games	900	x36512
1373A	Donut Shops greedy, implementation, math	1000	x27199
1372A	Omkar and Completion constructive algorithms, implementation	800	x32024
1371A	Magical Sticks math	800	x46425
1370A	Maximum GCD greedy, implementation, math, number theory	800	x52830
1369A	FashionabLee geometry, math	800	x36744
1368A	C+= brute force, greedy, implementation, math	800	x39866
1367B	Even Array greedy, math	800	x54198
1367A	Short Substrings implementation, strings	800	x58005
1362A	Johnny and Ancient Computer implementation	1000	x24449
1360B	Honest Coach greedy, sortings	800	x48294
1360A	Minimal Square greedy, math	800	x51115
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x27911
1359A	Berland Poker brute force, greedy, math	1000	x29781
1358B	Maria Breaks the Self-isolation greedy, sortings	1000	x24980
1358A	Park Lighting greedy, math	800	x39681
1354A	Alarm Clock math	900	x23860
1353C	Board Moves math	1000	x35672
1353B	Two Arrays And Swaps greedy, sortings	800	x50342
1353A	Most Unstable Array constructive algorithms, greedy, math	800	x41165
1352A	Sum of Round Numbers implementation, math	800	x81036
1351B	Square? brute force, implementation, math	900	x17113
1351A	A+B (Trial Problem) implementation	800	x24212
1350A	Orac and Factors math	900	x26138
1348A	Phoenix and Balance greedy, math	800	x39759
1346A	Color Revolution *special problem, math	1000	x2043
1345A	Puzzle Pieces math	800	x24240
1343B	Balanced Array constructive algorithms, math	800	x57060
1343A	Candies brute force, math	900	x48325
1342A	Road To Zero greedy, math	1000	x40881
1341A	Nastya and Rice math	900	x29112
1339A	Filling Diamonds brute force, dp, implementation, math	900	x32199
1337B	Kana and Dragon Quest game greedy, implementation, math	900	x34408
1337A	Ichihime and Triangle constructive algorithms, math	800	x38596
1335B	Construct the String constructive algorithms	900	x38707
1335A	Candies and Two Sisters math	800	x85973
1333A	Little Artem constructive algorithms	1000	x24658
1330A	Dreamoon and Ranking Collection implementation	900	x18804
1328A	Divisibility Problem math	800	x104286
1326B	Maximums implementation, math	900	x24121
1326A	Bad Ugly Numbers constructive algorithms, number theory	1000	x30507
1325B	CopyCopyCopyCopyCopy greedy, implementation	800	x36183
1325A	EhAb AnD gCd constructive algorithms, greedy, number theory	800	x40482
1324A	Yet Another Tetris Problem implementation, number theory	900	x26041
1323A	Even Subset Sum Problem brute force, dp, greedy, implementation	800	x19869
1321A	Contest for Robots greedy	900	x14345
1316A	Grade Allocation implementation	800	x18729
1315A	Dead Pixel implementation	800	x12169
1313A	Fast Food Restaurant brute force, greedy, implementation	900	x15555
1312B	Bogosort constructive algorithms, sortings	1000	x27260
1312A	Two Regular Polygons geometry, greedy, math, number theory	800	x26012
1311A	Add Odd or Subtract Even greedy, implementation, math	800	x42291
1307A	Cow and Haybales greedy, implementation	800	x14993
1305A	Kuroni and the Gifts brute force, constructive algorithms, greedy, sortings	800	x14138
1304A	Two Rabbits math	800	x25592
1303A	Erasing Zeroes implementation, strings	800	x32549
1301A	Three Strings implementation, strings	800	x19429
1300B	Assigning to Classes greedy, implementation, sortings	1000	x23678
1300A	Non-zero implementation, math	800	x21068
1296B	Food Buying math	900	x30413
1296A	Array with Odd Sum math	800	x42325
1295A	Display The Number greedy	900	x22930
1294A	Collecting Coins math	800	x47284
1293B	JOE is on TV! combinatorics, greedy, math	1000	x21299
1291A	Even But Not Even greedy, math, strings	900	x19626
1287A	Angry Students greedy, implementation	800	x20679
1285A	Mezo Playing Zoma math	800	x28373
1284A	New Year and Naming implementation, strings	800	x18028
1283B	Candies Division math	900	x21784
1283A	Minutes Before the New Year math	800	x50988
1282A	Temporarily unavailable implementation, math	900	x14895
1281A	Suffix Three implementation	800	x18021
1279A	New Year Garland math	900	x16981
1278A	Shuffle Hashing brute force, implementation, strings	1000	x16823
1277A	Happy Birthday, Polycarp! implementation	1000	x13444
1272A	Three Friends brute force, greedy, math, sortings	900	x20762
1271A	Suits brute force, greedy, math	800	x14996
1270A	Card Game games, greedy, math	800	x17003
1269A	Equation brute force, math	800	x21794
1267B	Balls of Buma	900	x4062
1266B	Dice Tower constructive algorithms, math	1000	x15141
1266A	Competitive Programmer chinese remainder theorem, math	1000	x15989
1265A	Beautiful String constructive algorithms, greedy	1000	x15153
1260A	Heating math	1000	x14830
1257B	Magic Stick math	1000	x21073
1257A	Two Rival Students greedy, math	800	x20638
1256A	Payment Without Change math	1000	x29590
1255A	Changing Volume math	800	x17250
1253A	Single Push implementation	1000	x18101
1252A	Copying Homework	1000	x5658
1251A	Broken Keyboard brute force, strings, two pointers	1000	x19735
1250F	Data Center brute force, implementation	800	x7421
1249B1	Books Exchange (easy version) dsu, math	1000	x20792
1249A	Yet Another Dividing into Teams math	800	x22429
1248B	Grow The Tree greedy, math, sortings	900	x16943