|
arc209_b
|
B. Minimize Even Palindrome
|
1787
|
718
|
|
arc201_c
|
C. Prefix Covering
|
1789
|
1207
|
|
abc359_f
|
I. Tree Degree Optimization
|
1792
|
2923
|
|
arc211_c
|
C. Forest
|
1792
|
767
|
|
arc180_b
|
B. Improve Inversions
|
1797
|
1660
|
|
abc390_f
|
I. Double Sum 3
|
1801
|
2257
|
|
arc181_c
|
C. Row and Column Order
|
1801
|
1484
|
|
abc283_e
|
H. Don't Isolate Elements
|
1802
|
2717
|
|
arc150_c
|
C. Path and Subsequence
|
1802
|
1744
|
|
arc157_c
|
C. YY Square
|
1802
|
1640
|
|
abc421_f
|
I. Erase between X and Y
|
1805
|
2367
|
|
arc143_c
|
C. Piles of Pebbles
|
1805
|
1626
|
|
abc268_f
|
I. Best Concatenation
|
1807
|
2365
|
|
arc201_b
|
B. Binary Knapsack
|
1808
|
1552
|
|
abc296_f
|
I. Simultaneous Swap
|
1811
|
2126
|
|
arc166_c
|
C. LU / RD Marking
|
1813
|
1462
|
|
agc068_b
|
B. 01 Graph Construction
|
1813
|
575
|
|
abc324_f
|
I. Beautiful Path
|
1815
|
3065
|
|
abc392_g
|
G. Fine Triplets
|
1817
|
2077
|
|
abc366_f
|
I. Maximum Composition
|
1819
|
3035
|
|
abc312_g
|
G. Avoid Straight Line
|
1819
|
2624
|
|
arc200_a
|
A. Dot Product
|
1821
|
1221
|
|
arc212_c
|
C. ABS Ball
|
1825
|
1046
|
|
arc218_c
|
C. Amidakuji
|
1826
|
824
|
|
abc425_f
|
F. Inserting Process
|
1831
|
2374
|
|
arc217_b
|
B. Not High Element
|
1834
|
841
|
|
abc338_f
|
I. Negative Traveling Salesman
|
1835
|
2560
|
|
agc075_a
|
A. Divide Grid
|
1837
|
535
|
|
abc346_f
|
I. SSttrriinngg in StringString
|
1840
|
2398
|
|
abc368_g
|
G. Add and Multiply Queries
|
1841
|
2326
|
|
abc300_f
|
I. More Holidays
|
1846
|
2388
|
|
arc210_c
|
C. Fair Coin Partition
|
1846
|
901
|
|
arc208_c
|
C. Mod of XOR
|
1849
|
1017
|
|
abc438_f
|
F. Sum of Mex
|
1852
|
1595
|
|
arc205_d
|
D. Non-Ancestor Matching
|
1853
|
1245
|
|
abc237_f
|
I. |LIS| = 3
|
1857
|
2677
|
|
abc232_f
|
I. Simple Operations on Sequence
|
1857
|
2191
|
|
abc429_f
|
I. Shortest Path Query
|
1859
|
1640
|
|
arc160_c
|
C. Power Up
|
1861
|
1445
|
|
abc386_f
|
I. Operate K
|
1875
|
2092
|
|
arc158_c
|
C. All Pair Digit Sums
|
1875
|
1795
|
|
abc285_f
|
I. Substring of Sorted String
|
1876
|
2201
|
|
abc264_f
|
I. Monochromatic Path
|
1878
|
2154
|
|
arc154_c
|
C. Roller
|
1881
|
1349
|
|
abc466_f
|
F. Many Mod Calculation
|
1887
|
1778
|
|
agc059_b
|
B. Arrange Your Balls
|
1887
|
922
|
|
abc456_f
|
F. Plan Holidays
|
1888
|
1488
|
|
arc189_b
|
B. Minimize Sum
|
1889
|
1272
|
|
arc229_d
|
D. Nim_k ?
|
1890
|
1026
|
|
abc294_f
|
I. Sugar Water 2
|
1891
|
2467
|
|
abc302_g
|
G. Sort from 1 to 4
|
1891
|
1780
|
|
abc404_g
|
G. Specified Range Sums
|
1894
|
1798
|
|
abc471_f
|
F. Concat (maximize)
|
1895
|
1623
|
|
arc125_c
|
C. LIS to Original Sequence
|
1896
|
1667
|
|
abc389_e
|
H. Square Price
|
1897
|
2814
|
|
abc411_f
|
I. Contraction
|
1898
|
1784
|
|
abc384_f
|
I. Double Sum 2
|
1908
|
2176
|
|
abc474_f
|
F. Increment All Divisors
|
1911
|
961
|
|
arc194_c
|
C. Cost to Flip
|
1913
|
1065
|
|
arc188_a
|
A. ABC Symmetry
|
1914
|
1168
|
|
abc475_f
|
F. Rectangle Filling
|
1916
|
1000
|
|
abc229_f
|
I. Make Bipartite
|
1917
|
2220
|
|
arc204_a
|
A. Use Udon Coupon
|
1923
|
816
|
|
abc355_f
|
I. MST Query
|
1924
|
2622
|
|
abc268_e
|
H. Chinese Restaurant (Three-Star Version)
|
1927
|
1837
|
|
abc457_g
|
G. Catch All Apples
|
1928
|
1264
|
|
arc206_d
|
D. LIS ∩ LDS
|
1930
|
898
|
|
arc216_b
|
B. Range Mex Sum
|
1935
|
541
|
|
arc151_c
|
C. 01 Game
|
1940
|
1537
|
|
abc461_f
|
F. Total Product is N
|
1940
|
1521
|
|
abc236_f
|
I. Spices
|
1943
|
2454
|
|
abc258_g
|
G. Triangle
|
1944
|
3156
|
|
arc222_c
|
C. 2 Directions vs 4 Directions
|
1945
|
779
|
|
abc462_f
|
F. More ABC
|
1952
|
1381
|
|
agc057_b
|
B. 2A + x
|
1952
|
1041
|
|
arc198_c
|
C. Error Swap
|
1954
|
873
|
|
abc348_f
|
I. Oddly Similar
|
1955
|
2593
|
|
abc446_g
|
G. 221 Subsequence
|
1955
|
1071
|
|
abc239_f
|
I. Construct Highway
|
1959
|
2043
|
|
arc153_c
|
C. ± Increasing Sequence
|
1960
|
1416
|
|
abc259_f
|
I. Select Edges
|
1961
|
3090
|
|
arc164_d
|
D. 1D Coulomb
|
1963
|
1255
|
|
abc443_f
|
I. Non-Increasing Number
|
1967
|
1552
|
|
abc450_f
|
I. Strongly Connected 2
|
1967
|
1501
|
|
abc249_e
|
H. RLE
|
1970
|
2018
|
|
agc059_a
|
A. My Last ABC Problem
|
1970
|
1072
|
|
abc473_g
|
G. Wipeout
|
1974
|
908
|
|
abc468_g
|
G. Restricted Permutation
|
1975
|
1158
|
|
arc215_d
|
D. cresc.
|
1975
|
842
|
|
arc207_b
|
B. Balanced Neighbors 2
|
1979
|
787
|
|
abc311_f
|
I. Yet Another Grid Task
|
1984
|
1921
|
|
abc432_g
|
G. Sum of Binom(A, B)
|
1984
|
909
|
|
agc076_a
|
A. Hamming-Distant Arrays
|
1986
|
517
|
|
abc460_f
|
F. Farthest Pair Query
|
1987
|
1272
|
|
abc449_f
|
F. Grid Clipping
|
1987
|
1123
|
|
abc297_f
|
I. Minimum Bounding Box 2
|
1990
|
1777
|
|
arc178_c
|
C. Sum of Abs 2
|
1990
|
1228
|
|
abc260_f
|
I. Find 4-cycle
|
1995
|
2296
|
|
abc380_g
|
G. Another Shuffle Window
|
1995
|
1559
|
|
agc060_b
|
B. Unique XOR Path
|
1996
|
922
|
|
arc134_d
|
D. Concatenate Subsequences
|
1998
|
1409
|
|
abc288_e
|
H. Wish List
|
2000
|
2074
|
|
abc388_g
|
G. Simultaneous Kagamimochi 2
|
2001
|
1770
|
|
arc229_e
|
E. Taka and Hashi
|
2004
|
879
|
|
arc169_c
|
C. Not So Consecutive
|
2005
|
1269
|
|
arc189_d
|
D. Takahashi is Slime
|
2006
|
1332
|
|
agc070_a
|
A. Multiples in the String
|
2006
|
630
|
|
abc308_g
|
G. Minimum Xor Pair Query
|
2008
|
2202
|
|
arc173_c
|
C. Not Median
|
2008
|
1033
|
|
abc318_f
|
I. Octopus
|
2009
|
1890
|
|
arc148_d
|
D. mod M Game
|
2009
|
1499
|
|
abc375_g
|
G. Road Blocked 2
|
2014
|
1829
|
|
abc373_f
|
I. Knapsack with Diminishing Values
|
2018
|
2040
|
|
arc183_c
|
C. Not Argmax
|
2018
|
1340
|
|
abc472_g
|
G. Cascading Grid
|
2018
|
958
|
|
arc212_d
|
D. Two Rooms
|
2018
|
836
|
|
abc401_g
|
G. Push Simultaneously
|
2022
|
1329
|
|
abc288_f
|
I. Integer Division
|
2024
|
1957
|
|
abc374_f
|
I. Shipping
|
2026
|
1655
|
|
arc187_b
|
B. Sum of CC
|
2026
|
1170
|
|
abc422_f
|
I. Eat and Ride
|
2028
|
1675
|
|
arc170_c
|
C. Prefix Mex Sequence
|
2028
|
1668
|
|
abc403_g
|
G. Odd Position Sum Query
|
2028
|
1231
|
|
abc394_g
|
G. Dense Buildings
|
2031
|
1430
|
|
abc233_f
|
I. Swap and Sort
|
2038
|
1784
|
|
abc293_f
|
I. Zero or One
|
2038
|
1698
|
|
abc412_f
|
I. Socks 4
|
2038
|
1506
|
|
abc320_f
|
I. Fuel Round Trip
|
2042
|
1870
|
|
abc250_f
|
I. One Fourth
|
2044
|
1512
|
|
abc399_e
|
H. Replace
|
2045
|
1943
|
|
abc312_e
|
H. Tangency of Cuboids
|
2047
|
1956
|
|
abc253_g
|
G. Swap Many Times
|
2051
|
1303
|
|
abc467_f
|
F. Email Scheduling Optimization
|
2052
|
1056
|
|
agc058_b
|
B. Adjacent Chmax
|
2053
|
1475
|
|
abc369_g
|
G. As far as possible
|
2055
|
1693
|
|
arc159_d
|
D. LIS 2
|
2056
|
1370
|
|
arc176_c
|
C. Max Permutation
|
2056
|
1073
|
|
abc238_f
|
I. Two Exams
|
2058
|
2172
|
|
abc350_g
|
G. Mediator
|
2058
|
1840
|
|
abc433_g
|
G. Substring Game
|
2060
|
739
|
|
arc197_d
|
D. Ancestor Relation
|
2062
|
934
|
|
abc299_g
|
G. Minimum Permutation
|
2066
|
1787
|
|
abc263_f
|
I. Tournament
|
2066
|
1658
|
|
arc214_c
|
C. Divide into 4 Teams
|
2070
|
923
|
|
arc226_c
|
C. Square Corner Packing
|
2070
|
622
|
|
arc168_c
|
C. Swap Characters
|
2071
|
1090
|
|
agc067_a
|
A. Big Clique Everywhere
|
2074
|
969
|
|
abc257_g
|
G. Prefix Concatenation
|
2078
|
1655
|
|
abc337_g
|
G. Tree Inversion
|
2080
|
1432
|
|
arc152_c
|
C. Pivot
|
2081
|
1294
|
|
arc138_d
|
D. Differ by K bits
|
2083
|
1225
|
|
abc226_f
|
I. Score of Permutations
|
2086
|
1494
|
|
agc066_a
|
A. Adjacent Difference
|
2086
|
1203
|
|
abc376_f
|
I. Hands on Ring (Hard)
|
2089
|
1345
|
|
abc295_g
|
G. Minimum Reachable City
|
2091
|
1453
|
|
abc411_g
|
G. Count Cycles
|
2093
|
1126
|
|
abc470_e
|
E. Concentration
|
2096
|
1110
|
|
abc387_e
|
H. Digit Sum Divisible 2
|
2097
|
1484
|
|
abc470_g
|
G. Σex
|
2097
|
829
|
|
abc358_f
|
I. Easiest Maze
|
2098
|
1143
|
|
abc359_g
|
G. Sum of Tree Distance
|
2099
|
2005
|
|
abc289_f
|
I. Teleporter Takahashi
|
2100
|
1247
|
|
abc370_f
|
I. Cake Division
|
2102
|
1723
|
|
arc205_e
|
E. Subset Product Problem
|
2102
|
1162
|
|
agc071_a
|
A. XOR Cross Over
|
2102
|
571
|
|
agc074_a
|
A. Communicate Topological Order
|
2106
|
454
|
|
abc342_g
|
G. Retroactive Range Chmax
|
2107
|
1860
|
|
abc440_f
|
I. Egoism
|
2108
|
1028
|
|
abc371_f
|
I. Takahashi in Narrow Road
|
2109
|
1609
|
|
abc230_f
|
I. Predilection
|
2113
|
1705
|
|
abc416_f
|
F. Paint Tree 2
|
2115
|
1260
|
|
arc175_c
|
C. Jumping Through Intervals
|
2116
|
992
|
|
abc244_g
|
G. Construct Good Path
|
2117
|
1135
|
|
arc183_b
|
B. Near Assignment
|
2118
|
1113
|
|
abc426_g
|
G. Range Knapsack Query
|
2119
|
1226
|
|
arc227_c
|
C. Follow the Letters
|
2121
|
761
|
|
abc421_e
|
H. Yacht
|
2122
|
1150
|
|
abc463_f
|
F. Senshuraku
|
2127
|
877
|
|
abc422_g
|
G. Balls and Boxes
|
2130
|
755
|
|
arc207_a
|
A. Affinity for Artifacts
|
2132
|
843
|
|
arc136_c
|
C. Circular Addition
|
2137
|
1688
|
|
abc307_f
|
I. Virus 2
|
2139
|
1563
|
|
abc368_e
|
H. Train Delay
|
2140
|
1833
|
|
arc147_d
|
D. Sets Scores
|
2145
|
1379
|
|
abc356_f
|
I. Distance Component Size Query
|
2152
|
1417
|
|
abc252_g
|
G. Pre-Order
|
2153
|
1507
|
|
arc156_c
|
C. Tree and LCS
|
2155
|
1214
|
|
arc192_c
|
C. Range Sums 2
|
2158
|
915
|
|
abc404_f
|
I. Lost and Pound
|
2162
|
1166
|
|
agc066_b
|
B. Decreasing Digit Sums
|
2162
|
752
|
|
abc459_f
|
I. -1, +1
|
2163
|
1019
|
|
arc194_d
|
D. Reverse Brackets
|
2164
|
785
|
|
abc436_g
|
G. Linear Inequation
|
2164
|
644
|
|
arc219_e
|
E. Equal Distribution
|
2164
|
549
|
|
abc346_g
|
G. Alone
|
2166
|
1593
|
|
abc408_g
|
G. A/B < p/q < C/D
|
2167
|
1035
|
|
abc457_f
|
F. Second Gap
|
2167
|
949
|
|
abc349_f
|
I. Subsequence LCM
|
2169
|
1886
|
|
abc454_f
|
I. Make it Palindrome 2
|
2169
|
1103
|
|
abc283_g
|
G. Partial Xor Enumeration
|
2173
|
1143
|
|
arc217_c
|
C. Greedy Customers 2
|
2173
|
572
|
|
abc291_g
|
G. OR Sum
|
2176
|
1014
|
|
abc228_f
|
I. Stamp Game
|
2179
|
1186
|
|
abc347_f
|
I. Non-overlapping Squares
|
2179
|
1161
|
|
abc287_g
|
G. Balance Update Query
|
2180
|
1328
|
|
abc415_g
|
G. Get Many Cola
|
2180
|
1204
|
|
abc319_g
|
G. Counting Shortest Paths
|
2185
|
1509
|
|
arc185_e
|
E. Adjacent GCD
|
2185
|
1128
|
|
arc125_d
|
D. Unique Subsequence
|
2187
|
1434
|
|
abc272_g
|
G. Yet Another mod M
|
2187
|
1342
|
|
arc196_b
|
B. Torus Loop
|
2188
|
587
|
|
abc407_g
|
G. Domino Covering SUM
|
2190
|
822
|
|
arc166_d
|
D. Interval Counts
|
2192
|
889
|
|
abc328_g
|
G. Cut and Reorder
|
2193
|
1362
|
|
agc065_b
|
B. Erase and Insert
|
2193
|
649
|
|
abc396_g
|
G. Flip Row or Col
|
2195
|
1023
|
|
arc191_c
|
C. A^n - 1
|
2198
|
1059
|
|
arc220_b
|
B. Incomplete Shuffle
|
2199
|
479
|
|
abc353_f
|
I. Tile Distance
|
2201
|
1048
|
|
abc425_g
|
G. Sum of Min of XOR
|
2205
|
886
|
|
arc214_d
|
D. Distinct Sum Grid Path
|
2205
|
649
|
|
abc227_g
|
G. Divisors of Binomial Coefficient
|
2207
|
1410
|
|
abc341_g
|
G. Highest Ratio
|
2208
|
1211
|
|
arc204_b
|
B. Sort Permutation
|
2210
|
543
|
|
abc274_f
|
I. Fishing
|
2212
|
1280
|
|
arc199_b
|
B. Adjacent Replace
|
2212
|
403
|
|
jsc2021_e
|
E. Level K Palindrome
|
2213
|
599
|
|
abc388_f
|
I. Dangerous Sugoroku
|
2214
|
1191
|
|
abc239_g
|
G. Builder Takahashi
|
2215
|
1403
|
|
abc284_g
|
G. Only Once
|
2218
|
1031
|
|
abc250_g
|
G. Stonks
|
2219
|
1436
|
|
arc155_c
|
C. Even Sum Triplet
|
2219
|
1059
|
|
agc073_a
|
A. Chords and Checkered
|
2219
|
505
|
|
abc270_g
|
G. Sequence in mod P
|
2220
|
1065
|
|
arc180_c
|
C. Subsequence and Prefix Sum
|
2221
|
1102
|
|
arc132_d
|
D. Between Two Binary Strings
|
2221
|
1029
|
|
abc451_g
|
G. Minimum XOR Walk
|
2221
|
610
|
|
abc464_f
|
F. Random Vault Heist
|
2225
|
809
|
|
arc181_d
|
D. Prefix Bubble Sort
|
2227
|
896
|
|
abc450_g
|
G. Random Subtraction
|
2227
|
622
|
|
arc143_d
|
D. Bridges
|
2229
|
1132
|
|
abc377_f
|
I. Avoid Queen Attack
|
2232
|
1020
|
|
abc462_g
|
G. Completely Wrong
|
2232
|
511
|
|
arc200_c
|
C. Movie Theater
|
2237
|
744
|
|
arc189_c
|
C. Balls and Boxes
|
2239
|
817
|
|
abc296_g
|
G. Polygon and Points
|
2241
|
873
|
|
abc222_g
|
G. 222
|
2242
|
1417
|
|
abc334_g
|
G. Christmas Color Grid 2
|
2242
|
1077
|
|
abc410_g
|
G. Longest Chord Chain
|
2242
|
904
|
|
arc185_c
|
C. Sum of Three Integers
|
2242
|
898
|
|
arc171_c
|
C. Swap on Tree
|
2244
|
943
|
|
abc391_g
|
G. Many LCS
|
2247
|
912
|
|
abc292_h
|
Ex. Rating Estimator
|
2248
|
1157
|
|
arc203_c
|
C. Destruction of Walls
|
2248
|
882
|
|
abc445_g
|
G. Knight Placement
|
2250
|
601
|
|
abc454_g
|
G. Mode in the Subtree
|
2253
|
724
|
|
abc365_g
|
G. AtCoder Office
|
2254
|
1287
|
|
abc452_g
|
G. 221 Substring
|
2255
|
562
|
|
abc263_g
|
G. Erasing Prime Pairs
|
2261
|
1034
|
|
abc400_f
|
I. Happy Birthday! 3
|
2263
|
1457
|
|
abc311_g
|
G. One More Grid Task
|
2265
|
1285
|
|
abc242_f
|
I. Black and White Rooks
|
2268
|
1359
|
|
abc443_g
|
G. Another Mod of Linear Problem
|
2268
|
649
|
|
abc245_g
|
G. Foreign Friends
|
2270
|
1304
|
|
arc131_d
|
D. AtArcher
|
2271
|
752
|
|
abc432_f
|
F. Candy Redistribution
|
2273
|
841
|
|
arc190_b
|
B. L Partition
|
2273
|
634
|
|
arc202_c
|
C. Repunits
|
2274
|
506
|
|
abc215_g
|
G. Colorful Candies 2
|
2276
|
1247
|
|
arc175_d
|
D. LIS on Tree 2
|
2276
|
804
|
|
arc227_d
|
D. Median of Binary Strings
|
2277
|
565
|
|
abc276_g
|
G. Count Sequences
|
2278
|
1238
|
|
arc170_d
|
D. Triangle Card Game
|
2279
|
845
|
|
abc474_g
|
G. LRUD Moving 2
|
2280
|
372
|
|
arc223_d
|
D. Xpectation of Cards in Hand with Laboratory
|
2281
|
461
|
|
arc151_d
|
D. Binary Representations and Queries
|
2282
|
858
|
|
arc199_a
|
A. Flip Row or Col 2
|
2285
|
680
|
|
abc219_g
|
G. Propagation
|
2287
|
1485
|
|
abc265_f
|
I. Manhattan Cafe
|
2290
|
985
|
|
arc145_d
|
D. Non Arithmetic Progression Set
|
2297
|
1162
|
|
abc355_e
|
H. Guess the Sum
|
2299
|
1508
|
|
arc177_d
|
D. Earthquakes
|
2299
|
794
|
|
arc198_d
|
D. Many Palindromes on Tree
|
2299
|
586
|
|
abc290_f
|
I. Maximum Diameter
|
2300
|
1227
|
|
arc129_d
|
D. -1+2-1
|
2300
|
935
|
|
abc314_g
|
G. Amulets
|
2301
|
1059
|
|
arc211_d
|
D. Michishirube
|
2301
|
420
|
|
arc229_f
|
F. Angst for All Pairs 2
|
2302
|
532
|
|
abc281_g
|
G. Farthest City
|
2304
|
1219
|
|
arc159_c
|
C. Permutation Addition
|
2304
|
994
|
|
abc379_g
|
G. Count Grid 3-coloring
|
2304
|
899
|
|
abc234_g
|
G. Divide a Sequence
|
2306
|
1299
|
|
abc258_f
|
I. Main Street
|
2306
|
1163
|
|
abc295_f
|
I. substr = S
|
2306
|
1013
|
|
abc246_g
|
G. Game on Tree 3
|
2313
|
1224
|
|
arc167_d
|
D. Good Permutation
|
2313
|
834
|
|
arc213_b
|
B. Hamming Distance is not 1
|
2313
|
377
|
|
arc131_e
|
E. Christmas Wreath
|
2314
|
981
|
|
abc315_g
|
G. Ai + Bj + Ck = X (1 <= i, j, k <= N)
|
2315
|
1273
|
|
agc062_c
|
C. Mex of Subset Sum
|
2320
|
607
|