Wanted

5065:problems_untagged

ID Name Difficulty Solver
arc158_c C. All Pair Digit Sums 1875 1781
abc285_f I. Substring of Sorted String 1876 2185
abc264_f I. Monochromatic Path 1878 2133
arc154_c C. Roller 1881 1296
abc466_f F. Many Mod Calculation 1887 1670
agc059_b B. Arrange Your Balls 1887 921
abc456_f F. Plan Holidays 1888 1435
arc189_b B. Minimize Sum 1889 1257
abc294_f I. Sugar Water 2 1891 2435
abc302_g G. Sort from 1 to 4 1891 1766
abc404_g G. Specified Range Sums 1894 1764
arc125_c C. LIS to Original Sequence 1896 1662
abc389_e H. Square Price 1897 2791
abc411_f I. Contraction 1898 1769
abc384_f I. Double Sum 2 1908 2160
arc194_c C. Cost to Flip 1913 1057
arc188_a A. ABC Symmetry 1914 1133
abc229_f I. Make Bipartite 1917 2211
arc204_a A. Use Udon Coupon 1923 798
abc355_f I. MST Query 1924 2585
abc268_e H. Chinese Restaurant (Three-Star Version) 1927 1823
abc457_g G. Catch All Apples 1928 1230
arc206_d D. LIS ∩ LDS 1930 873
arc216_b B. Range Mex Sum 1935 510
arc151_c C. 01 Game 1940 1533
abc461_f F. Total Product is N 1940 1449
abc236_f I. Spices 1943 2438
abc258_g G. Triangle 1944 3123
arc222_c C. 2 Directions vs 4 Directions 1945 742
abc462_f F. More ABC 1952 1326
agc057_b B. 2A + x 1952 1037
arc198_c C. Error Swap 1954 863
abc348_f I. Oddly Similar 1955 2578
abc446_g G. 221 Subsequence 1955 1058
abc239_f I. Construct Highway 1959 2026
arc153_c C. ± Increasing Sequence 1960 1408
abc259_f I. Select Edges 1961 3000
arc164_d D. 1D Coulomb 1963 1248
abc443_f I. Non-Increasing Number 1967 1526
abc450_f F. Strongly Connected 2 1967 1463
abc249_e H. RLE 1970 2009
agc059_a A. My Last ABC Problem 1970 1064
abc468_g G. Restricted Permutation 1975 1020
arc215_d D. cresc. 1975 822
arc207_b B. Balanced Neighbors 2 1979 768
abc311_f I. Yet Another Grid Task 1984 1895
abc432_g G. Sum of Binom(A, B) 1984 886
agc076_a A. Hamming-Distant Arrays 1986 504
abc460_f F. Farthest Pair Query 1987 1206
abc449_f F. Grid Clipping 1987 1100
abc297_f I. Minimum Bounding Box 2 1990 1759
arc178_c C. Sum of Abs 2 1990 1200
abc260_f I. Find 4-cycle 1995 2280
abc380_g G. Another Shuffle Window 1995 1544
agc060_b B. Unique XOR Path 1996 917
arc134_d D. Concatenate Subsequences 1998 1348
abc288_e H. Wish List 2000 2052
abc388_g G. Simultaneous Kagamimochi 2 2001 1756
arc169_c C. Not So Consecutive 2005 1244
arc189_d D. Takahashi is Slime 2006 1316
agc070_a A. Multiples in the String 2006 629
abc308_g G. Minimum Xor Pair Query 2008 2183
arc173_c C. Not Median 2008 1026
abc318_f I. Octopus 2009 1879
arc148_d D. mod M Game 2009 1491
abc375_g G. Road Blocked 2 2014 1809
abc373_f I. Knapsack with Diminishing Values 2018 2024
arc183_c C. Not Argmax 2018 1321
arc212_d D. Two Rooms 2018 788
abc401_g G. Push Simultaneously 2022 1311
abc288_f I. Integer Division 2024 1928
abc374_f I. Shipping 2026 1636
arc187_b B. Sum of CC 2026 1161
arc170_c C. Prefix Mex Sequence 2028 1648
abc422_f I. Eat and Ride 2028 1640
abc403_g G. Odd Position Sum Query 2028 1215
abc394_g G. Dense Buildings 2031 1422
abc233_f I. Swap and Sort 2038 1776
abc293_f I. Zero or One 2038 1680
abc412_f I. Socks 4 2038 1491
abc320_f I. Fuel Round Trip 2042 1838
abc250_f I. One Fourth 2044 1496
abc399_e H. Replace 2045 1910
abc312_e H. Tangency of Cuboids 2047 1941
abc253_g G. Swap Many Times 2051 1292
abc467_f F. Email Scheduling Optimization 2052 974
agc058_b B. Adjacent Chmax 2053 1461
abc369_g G. As far as possible 2055 1682
arc159_d D. LIS 2 2056 1361
arc176_c C. Max Permutation 2056 1067
abc238_f I. Two Exams 2058 2149
abc350_g G. Mediator 2058 1832
abc433_g G. Substring Game 2060 728
arc197_d D. Ancestor Relation 2062 917
abc299_g G. Minimum Permutation 2066 1761
abc263_f I. Tournament 2066 1641
arc214_c C. Divide into 4 Teams 2070 873
arc168_c C. Swap Characters 2071 1059
agc067_a A. Big Clique Everywhere 2074 926
abc257_g G. Prefix Concatenation 2078 1634
abc337_g G. Tree Inversion 2080 1415
arc152_c C. Pivot 2081 1285
arc138_d D. Differ by K bits 2083 1216
abc226_f I. Score of Permutations 2086 1485
agc066_a A. Adjacent Difference 2086 1126
abc376_f I. Hands on Ring (Hard) 2089 1320
abc295_g G. Minimum Reachable City 2091 1445
abc411_g G. Count Cycles 2093 1117
abc387_e H. Digit Sum Divisible 2 2097 1466
abc358_f I. Easiest Maze 2098 1136
abc359_g G. Sum of Tree Distance 2099 1983
abc289_f I. Teleporter Takahashi 2100 1234
abc370_f I. Cake Division 2102 1705
arc205_e E. Subset Product Problem 2102 1132
agc071_a A. XOR Cross Over 2102 567
agc074_a A. Communicate Topological Order 2106 444
abc342_g G. Retroactive Range Chmax 2107 1815
abc440_f I. Egoism 2108 1009
abc371_f I. Takahashi in Narrow Road 2109 1597
abc230_f I. Predilection 2113 1689
abc416_f F. Paint Tree 2 2115 1241
arc175_c C. Jumping Through Intervals 2116 982
abc244_g G. Construct Good Path 2117 1132
arc183_b B. Near Assignment 2118 1100
abc426_g G. Range Knapsack Query 2119 1196
abc421_e H. Yacht 2122 1135
abc463_f F. Senshuraku 2127 838
abc422_g G. Balls and Boxes 2130 739
arc207_a A. Affinity for Artifacts 2132 816
arc136_c C. Circular Addition 2137 1652
abc307_f I. Virus 2 2139 1547
abc368_e H. Train Delay 2140 1797
arc147_d D. Sets Scores 2145 1367
abc356_f I. Distance Component Size Query 2152 1407
abc252_g G. Pre-Order 2153 1498
arc156_c C. Tree and LCS 2155 1200
arc192_c C. Range Sums 2 2158 906
abc404_f I. Lost and Pound 2162 1156
agc066_b B. Decreasing Digit Sums 2162 743
abc459_f F. -1, +1 2163 955
arc194_d D. Reverse Brackets 2164 768
abc436_g G. Linear Inequation 2164 630
arc219_e E. Equal Distribution 2164 529
abc346_g G. Alone 2166 1571
abc408_g G. A/B < p/q < C/D 2167 1029
abc457_f F. Second Gap 2167 929
abc349_f I. Subsequence LCM 2169 1828
abc454_f I. Make it Palindrome 2 2169 1084
abc283_g G. Partial Xor Enumeration 2173 1132
arc217_c C. Greedy Customers 2 2173 542
abc291_g G. OR Sum 2176 1003
abc228_f I. Stamp Game 2179 1174
abc347_f I. Non-overlapping Squares 2179 1157
abc287_g G. Balance Update Query 2180 1299
abc415_g G. Get Many Cola 2180 1195
abc319_g G. Counting Shortest Paths 2185 1481
arc185_e E. Adjacent GCD 2185 1107
arc125_d D. Unique Subsequence 2187 1401
abc272_g G. Yet Another mod M 2187 1328
arc196_b B. Torus Loop 2188 567
abc407_g G. Domino Covering SUM 2190 801
arc166_d D. Interval Counts 2192 881
abc328_g G. Cut and Reorder 2193 1350
agc065_b B. Erase and Insert 2193 618
abc396_g G. Flip Row or Col 2195 1012
arc191_c C. A^n - 1 2198 999
arc220_b B. Incomplete Shuffle 2199 462
abc353_f I. Tile Distance 2201 1042
abc425_g G. Sum of Min of XOR 2205 881
arc214_d D. Distinct Sum Grid Path 2205 600
abc227_g G. Divisors of Binomial Coefficient 2207 1395
abc341_g G. Highest Ratio 2208 1192
arc204_b B. Sort Permutation 2210 524
abc274_f I. Fishing 2212 1267
arc199_b B. Adjacent Replace 2212 383
jsc2021_e E. Level K Palindrome 2213 598
abc388_f I. Dangerous Sugoroku 2214 1183
abc239_g G. Builder Takahashi 2215 1370
abc284_g G. Only Once 2218 1027
abc250_g G. Stonks 2219 1412
arc155_c C. Even Sum Triplet 2219 1052
agc073_a A. Chords and Checkered 2219 500
abc270_g G. Sequence in mod P 2220 1059
arc180_c C. Subsequence and Prefix Sum 2221 1085
arc132_d D. Between Two Binary Strings 2221 1026
abc451_g G. Minimum XOR Walk 2221 601
abc464_f F. Random Vault Heist 2225 776
arc181_d D. Prefix Bubble Sort 2227 887
abc450_g G. Random Subtraction 2227 608
arc143_d D. Bridges 2229 1109
abc377_f I. Avoid Queen Attack 2232 1013
abc462_g G. Completely Wrong 2232 499
arc200_c C. Movie Theater 2237 719
arc189_c C. Balls and Boxes 2239 803
abc296_g G. Polygon and Points 2241 860
abc222_g G. 222 2242 1390
abc334_g G. Christmas Color Grid 2 2242 1059
abc410_g G. Longest Chord Chain 2242 891
arc185_c C. Sum of Three Integers 2242 888
arc171_c C. Swap on Tree 2244 937
abc391_g G. Many LCS 2247 903
abc292_h Ex. Rating Estimator 2248 1147
arc203_c C. Destruction of Walls 2248 856
abc445_g G. Knight Placement 2250 591
abc454_g G. Mode in the Subtree 2253 700
abc365_g G. AtCoder Office 2254 1270
abc452_g G. 221 Substring 2255 552
abc263_g G. Erasing Prime Pairs 2261 1023
abc400_f I. Happy Birthday! 3 2263 1438
abc311_g G. One More Grid Task 2265 1274
abc242_f I. Black and White Rooks 2268 1353
abc443_g G. Another Mod of Linear Problem 2268 642
abc245_g G. Foreign Friends 2270 1291
arc131_d D. AtArcher 2271 751
abc432_f F. Candy Redistribution 2273 823
arc190_b B. L Partition 2273 621
arc202_c C. Repunits 2274 501
abc215_g G. Colorful Candies 2 2276 1238
arc175_d D. LIS on Tree 2 2276 798
abc276_g G. Count Sequences 2278 1220
arc170_d D. Triangle Card Game 2279 837
arc223_d D. Xpectation of Cards in Hand with Laboratory 2281 413
arc151_d D. Binary Representations and Queries 2282 851
arc199_a A. Flip Row or Col 2 2285 633
abc219_g G. Propagation 2287 1471
abc265_f I. Manhattan Cafe 2290 971
arc145_d D. Non Arithmetic Progression Set 2297 1155
abc355_e H. Guess the Sum 2299 1498
arc177_d D. Earthquakes 2299 788
arc198_d D. Many Palindromes on Tree 2299 572
abc290_f I. Maximum Diameter 2300 1188
arc129_d D. -1+2-1 2300 919
abc314_g G. Amulets 2301 1051
arc211_d D. Michishirube 2301 400
abc281_g G. Farthest City 2304 1201
arc159_c C. Permutation Addition 2304 986
abc379_g G. Count Grid 3-coloring 2304 889
abc234_g G. Divide a Sequence 2306 1282
abc258_f I. Main Street 2306 1157
abc295_f I. substr = S 2306 1009
abc246_g G. Game on Tree 3 2313 1213
arc167_d D. Good Permutation 2313 828
arc213_b B. Hamming Distance is not 1 2313 371
arc131_e E. Christmas Wreath 2314 979
abc315_g G. Ai + Bj + Ck = X (1 <= i, j, k <= N) 2315 1257
agc062_c C. Mex of Subset Sum 2320 604
abc271_g G. Access Counter 2323 783
arc212_e E. Drop Min 2324 448
abc307_g G. Approximate Equalization 2330 938
arc126_d D. Pure Straight 2332 990
abc262_f I. Erase and Rotate 2334 982
arc174_e E. Existence Counting 2336 717
abc260_g G. Scalene Triangle Area 2339 802
abc274_g G. Security Camera 3 2340 935
abc292_g G. Count Strictly Increasing Sequences 2340 788
arc202_b B. Japanese "Knight's Tour" 2340 459
arc141_c C. Bracket and Permutation 2342 758
abc300_g G. P-smooth number 2343 1401
abc384_g G. Abs Sum 2343 1013
arc216_c C. Count Power of 2 2346 308
abc442_g G. Lightweight Knapsack 2347 698
abc371_g G. Lexicographically Smallest Permutation 2348 836
abc264_g G. String Fair 2348 824
abc299_f I. Square Subsequence 2349 1083
arc221_b B. Two-Powered Sum 2350 343
abc405_g G. Range Shuffle Query 2354 989
abc414_f I. Jump Traveling 2357 1166
arc172_e E. Last 9 Digits 2358 777
abc430_g G. Range Set Modifying Query 2371 478
abc309_g G. Ban Permutation 2372 936
abc226_g G. The baggage 2373 951
abc224_g G. Roll or Increment 2374 878
abc227_e H. Swap 2377 1646
arc171_d D. Rolling Hash 2377 849
abc373_g G. No Cross Matching 2377 804
arc188_c C. Honest or Liar or Confused 2377 649
abc303_f I. Damage over Time 2381 943
arc152_d D. Halftree 2381 826
abc337_f I. Usual Color Ball Problems 2386 909
abc325_g G. offence 2388 1183
arc167_c C. MST on Line++ 2388 806
arc201_d D. Match, Mod, Minimize 2389 628
abc461_g G. Graph Problem 2026 2391 419
abc447_g G. Div. 1 & Div. 2 2391 401
abc277_f I. Sorting a Matrix 2400 1008
abc340_g G. Leaf Color 2401 1226
abc298_g G. Strawberry War 2405 610
abc259_h Ex. Yet Another Path Counting 2406 1333
arc139_c C. One Three Nine 2406 675
arc150_d D. Removing Gacha 2407 1300
abc302_h Ex. Ball Collector 2407 1040
agc062_b B. Split and Insert 2407 576
arc224_f F. AND/OR 2407 383
arc182_c C. Sum of Number of Divisors of Product 2408 757
abc366_g G. XOR Neighbors 2409 781
abc421_g G. Increase to make it Increasing 2410 713
abc352_g G. Socks 3 2413 699
agc065_c C. Avoid Half Sum 2414 475
arc215_e E. CNOT Party 2418 379
abc420_f I. kirinuki 2420 722