Wanted

3344:problems_untagged

ID Name Difficulty Solver
dwango2016qual_e E. 花火 3144 222
arc135_e E. Sequence of Multiples 3157 284
agc058_d D. Yet Another ABC String 3159 485
abc270_h Ex. add 1 3159 337
abc357_g G. Stair-like Grid 3159 115
arc117_e E. Zero-Sum Ranges 2 3166 584
agc023_d D. Go Home 3173 771
arc170_e E. BDFS 3174 211
abc304_g G. Max of Medians 3177 228
arc186_e E. Missing Subsequence 3178 155
arc188_d D. Mirror and Order 3178 98
abc281_h Ex. Alchemy 3180 168
agc068_c C. Ball Redistribution 3182 132
tenka1_2013_qualB_d D. 天下一二三パズル リベンジ 3182 25
abc240_h Ex. Sequence of Substrings 3184 690
arc149_e E. Sliding Window Sort 3188 299
arc130_e E. Increasing Minimum 3188 207
arc162_f F. Montage 3190 346
abc274_h Ex. XOR Sum of Arrays 3191 197
abc285_h Ex. Avoid Square Number 3192 262
arc160_f F. Count Sorted Arrays 3202 256
agc004_e E. Salvage Robots 3205 806
abc300_h Ex. Fibonacci: Revisited 3209 159
abc275_h Ex. Monster 3210 257
arc130_f F. Replace by Average 3211 248
arc104_f F. Visibility Sequence 3213 494
agc070_b B. Odd Namori 3217 136
arc139_e E. Wazir 3222 212
arc175_e E. Three View Drawing 3223 258
arc177_e E. Wrong Scoreboard 3227 126
tenka1_2015_qualB_e E. 天下一演算 3228 22
abc227_h H. Eat Them All 3229 183
arc159_e E. Difference Sum Query 3229 170
arc105_f F. Lights Out on Connected Graph 3231 551
arc142_e E. Pairing Wizards 3232 390
arc165_f F. Make Adjacent 3235 328
arc144_e E. GCD of Path Weights 3238 311
arc133_e E. Cyclic Medians 3238 263
arc193_d D. Magnets 3240 78
arc124_f F. Chance Meeting 3246 237
abc289_h Ex. Trio 3246 158
abc238_h Ex. Removing People 3247 215
arc159_f F. Good Division 3250 301
arc189_e E. Straight Path 3257 152
cf_2015_morning_hard_c C. 数列の組み替え 3258 21
abc301_g G. Worst Picture 3262 109
arc167_e E. One Square in a Triangle 3271 331
agc062_d D. Walk Around Neighborhood 3274 136
arc153_e E. Deque Minimization 3276 209
abc382_g G. Tile Distance 3 3278 59
abc279_h Ex. Sum of Prod of Min 3279 168
arc166_e E. Fizz Buzz Difference 3279 137
abc288_h Ex. A Nameless Counting Problem 3282 210
arc160_e E. Make Biconnected 3284 212
tenka1_2014_qualB_e E. カラオケランキング 3284 9
abc216_h H. Random Robots 3295 428
arc163_f F. Many Increasing Problems 3295 98
abc219_h H. Candles 3297 580
code_festival_morning_hard_d D. Rail Tour 3303 15
abc280_h Ex. Substring Sort 3307 108
code_festival_final_j J. 2つのカップ 3309 16
agc014_e E. Blue and Red Tree 3312 789
arc137_f F. Overlaps 3313 107
abc381_g G. Fibonacci Product 3313 71
agc011_e E. Increasing Numbers 3315 709
code_festival_2017_qualc_f F. Three Gluttons 3315 228
abc265_h Ex. No-capture Lance Game 3319 138
agc059_d D. Distinct Elements on Subsegments 3319 135
agc036_d D. Negative Cycle 3326 744
arc183_e E. Ascendant Descendant 3331 119
arc169_e E. Avoid Boring Matches 3333 156
abc306_h Ex. Balance Scale 3335 446
arc115_f F. Migration 3336 261
arc129_e E. Yet Another Minimization 3337 278
arc163_e E. Chmin XOR Game 3338 189
agc056_b B. Range Argmax 3339 410
agc056_d D. Subset Sum Game 3339 274
abc260_h Ex. Colorfulness 3339 137
dwango2015_prelims_5 E. 電波局 3342 13
abc310_h Ex. Negative Cost 3343 158
abc345_g G. Sugoroku 5 3343 86
abc305_h Ex. Shojin 3344 190
agc067_d D. Unique Matching 3345 133
apc001_h H. Generalized Insertion Sort 3346 139
agc069_d D. Tree and Intervals 3346 90
abc363_g G. Dynamic Scheduling 3358 137
tenka1_2015_qualA_e E. 天下一魔法使い 3359 32
agc057_c C. Increment or Xor 3366 253
agc061_b B. Summation By Construction 3371 171
jsc2021_h H. Shipping 3383 131
tokiomarine2020_f F. Triangles 3385 108
arc140_f F. ABS Permutation (Count ver.) 3392 163
agc068_e E. Sort and Match 3392 157
agc060_d D. Same Descent Set 3394 189
arc187_e E. Replace Triplets 3414 81
abc317_h Ex. Walk 3426 69
agc009_e E. Eternal Average 3428 911
abc370_g G. Divisible by 3 3428 128
arc112_f F. Die Siedler 3432 330
arc150_f F. Constant Sum Subsequence 3432 166
arc169_f F. Large DP Table 3434 115
arc184_e E. Accumulating Many Times 3443 109
agc060_e E. Number of Cycles 3452 122
abc330_g G. Inversion Squared 3455 89
agc052_e E. 3 Letters 3457 262
abc257_h Ex. Dice Sum 2 3461 136
keyence2021_f F. Keyence Repetition 3461 103
agc028_f F. Reachable Cells 3462 307
codefestival_2016_final_i I. Reverse Grid 3463 185
arc150_e E. Weathercock 3466 203
agc030_f F. Permutation and Minimum 3474 719
arc172_f F. Walking 3474 86
abc222_h H. Beautiful Binary Tree 3477 260
arc164_f F. Subtree Reversi 3486 179
abc249_h Ex. Dye Color 3487 145
arc126_f F. Affine Sort 3488 90
agc049_e E. Increment Decrement 3496 238
agc054_e E. ZigZag Break 3499 225
arc158_f F. Random Radix Sort 3500 151
arc131_f F. ARC Stamp 3501 104
agc043_e E. Topology 3505 179
arc154_e E. Reverse and Inversion 3506 445
agc055_d D. ABC Ultimatum 3506 247
arc155_e E. Split and Square 3513 199
arc157_f F. XY Ladder LCS 3517 211
ahc010_a A. Loop Lines 3519 807
ahc013_a A. Server Room 3520 940
abc230_h H. Bullion 3528 141
arc134_f F. Flipping Coins 3530 141
agc066_d D. A Independent Set 3531 123
ahc014_a A. RectJoin 3540 773
arc125_f F. Tree Degree Subset Sum 3541 439
agc024_f F. Simple Subsequence Problem 3544 554
arc114_f F. Permutation Division 3545 274
arc180_e E. LIS and Inversion 3549 171
arc136_f F. Flip Cells 3554 126
agc008_e E. Next or Nextnext 3559 606
agc068_d D. Sum of Hash of Lexmin 3559 87
abc290_h Ex. Bow Meow Optimization 3569 209
codefestival_2016_final_h H. Tokaido 3569 138
ahc012_a A. AtCoder 10th Anniversary 3580 947
arc145_e E. Adjacent XOR 3581 185
arc149_f F. Rational Number System 3583 93
agc025_e E. Walking on a Tree 3584 502
agc033_f F. Adding Edges 3591 317
ahc009_a A. Robust Memory of Commuting Routes 3594 986
diverta2019_f F. Edge Ordering 3595 136
arc129_f F. Let's Play Tag 3596 77
agc019_e E. Shuffle and Swap 3597 523
arc153_f F. Tri-Colored Paths 3597 200
abc273_h Ex. Inv(0,1)ving Insert(1,0)n 3598 75
agc044_e E. Random Pawn 3599 386
abc311_h Ex. Many Illumination Plans 3605 165
agc022_f F. Checkers 3606 532
agc063_d D. Many CRT 3609 102
arc118_f F. Growth Rate 3610 226
ahc011_a A. Sliding Tree Puzzle 3615 998
arc154_f F. Dice Game 3616 125
arc148_f F. 998244353 → 1000000007 3621 192
arc138_e E. Decreasing Subsequence 3624 251
agc045_d D. Lamps and Buttons 3625 268
arc109_f F. 1D Kingdom Builder 3625 125
agc061_d D. Almost Multiplication Table 3632 114
agc034_f F. RNG and XOR 3634 544
agc007_f F. Shik and Copying String 3642 797
arc156_e E. Non-Adjacent Matching 3650 159
agc023_e E. Inversions 3653 580
ahc024_a A. Topological Map 3660 780
arc152_f F. Attraction on Tree 3664 133
arc181_f F. Colorful Reversi 3664 54
asprocon10_a A. Crops on Grid 3667 909
asprocon10_b A-Final. Crops on Grid (System Test) 3667 708
ahc016_a A. Graphorean 3670 1131
arc119_f F. AtCoder Express 3 3671 315
arc128_f F. Game against Robot 3671 187
ahc018_a A. Excavation 3672 1058
ahc015_a A. Halloween Candy 3674 969
ahc022_a A. Exploring Another Space 3680 1030
ahc019_a A. Silhouette Block Puzzle Creation 3680 831
ahc029_a A. Business Simulation Game 3680 811
ahc017_a A. Road Repair 3692 966
arc166_f F. Tangent Addition Formula 3692 33
agc063_e E. Child to Parent 3700 85
agc067_b B. Modifications 3701 131
ahc020_a A. Broadcasting 3705 1132
ahc027_a A. Recurring Cleaning Route 3707 1024
agc035_e E. Develop 3720 426
arc142_f F. Paired Wizards 3723 166
arc127_f F. ±AB 3723 163
arc171_f F. Both Reversible 3730 41
abc393_g G. Unevenness 3731 27
acl1_f F. Center Rearranging 3734 58
arc190_e E. Gaps of 1 or 2 3734 40
abc272_h Ex. Flipping Coins 2 3740 79
agc019_f F. Yes or No 3742 1021
ahc039_a A. Purse Seine Fishing 3744 814
arc151_f F. RGB Card Game 3744 100
arc144_f F. Arithmetic Sequence Nim 3744 51
ahc021_a A. Pyramid Sorting 3745 1264
code_festival_2017_qualc_e E. Cubes 3750 62
agc030_e E. Less than 3 3753 465
ahc026_a A. Stack of Boxes 3755 854
ahc025_a A. Balancing by Balance 3765 923
apc001_g G. Colorful Doors 3765 86
abc278_h Ex. make 1 3768 72
agc046_e E. Permutation Cover 3772 161
arc174_f F. Final Stage 3773 87
agc028_f2 F2. Reachable Cells 3778 190
nikkei2019_qual_f F. Jewels 3778 184
ahc038_a A. Tree Robot Arm 3780 1011
ahc030_a A. Polyomino Mining 3781 1083
ahc028_a A. Lucky Words 3783 1033
agc036_f F. Square Constraints 3783 568
ahc031_a A. Event Hall 3785 1003
ahc036_a A. Efficient Signal Control 3793 1009
agc018_f F. Two Trees 3793 731
agc037_f F. Counting of Subarrays 3797 221
ahc034_a A. Leveling with a Dump Truck 3802 1052
ahc035_a A. Breed Improvement 3805 1121
arc177_f F. Two Airlines 3810 52
ahc032_a A. Mod Stamp 3818 1155
agc048_e E. Strange Relation 3819 168
ahc041_a A. Christmas Tree Cutting 3820 1074
arc135_f F. Delete 1, 4, 7, ... 3821 144
ahc043_a A. Railway Company 3823 1349
agc058_e E. Nearer Permutation 3825 56
ahc037_a A. Soda 3827 1083
agc038_e E. Gachapon 3831 710
arc182_f F. Graph of Mod of Linear 3837 36
agc059_e E. Grid 3-coloring 3842 154
ahc042_a A. Oni wa Soto, Fuku wa Uchi 3843 1068
agc069_c C. AB*A Changing 3853 32
agc046_f F. Forbidden Tournament 3854 147
agc011_f F. Train Service Planning 3863 320
arc178_f F. Long Sequence Inversion 3863 38
agc022_d D. Shopping 3866 436
arc170_f F. Edge Deletion 2 3874 47
agc056_e E. Cheese 3877 131
arc138_f F. KD Tree 3882 101
abc243_h Ex. Builder Takahashi (Enhanced version) 3884 103
wtf22_day1_d D. Welcome to Tokyo! 3884 77
wtf22_day1_c C. Shrink the Tree 3884 27
wtf22_day1_e E. Sort A[i]-i 3884 21
agc010_e E. Rearranging 3887 927
agc031_f F. Walk on Graph 3887 275
agc065_f F. Always Perfect 3889 64
agc041_f F. Histogram Rooks 3893 347
agc061_e E. Increment or XOR 3901 126
agc013_f F. Two Faced Cards 3905 247
agc007_e E. Shik and Travel 3906 819
agc025_f F. Addition and Andition 3936 299
arc145_f F. Modulo Sum of Increasing Sequences 3943 74
agc053_d D. Everyone is a winner 3949 62
arc167_f F. Tree Tree Tree 3951 12
mujin_pc_2017_d D. Oriented Tree 3960 65
agc032_f F. One Third 3975 399
agc004_f F. Namori 3986 779
cf17_final_h H. Poor Penguin 3988 120
cf17_final_i I. Full Tournament 3988 95
arc113_f F. Social Distance 3990 141
arc183_f F. Sum of Minimum Distance 3994 21
agc008_f F. Black Radius 3995 522
arc156_f F. Make Same Set 4011 153
arc147_f F. Again ABC String 4016 108
agc053_e E. More Peaks More Fun 4036 129
arc179_f F. All the Same 4037 47
arc176_f F. Colorful Star 4046 44
agc039_f F. Min Product Sum 4060 383
apc001_i I. Simple APSP Problem 4061 118
agc051_f F. rng_58's Last Problem 4061 71
agc051_e E. Middle Point 4061 63
apc001_j J. Rectangles 4061 46
agc047_f F. Rooks 4066 121
agc064_e E. Cross Sum Construction 4069 23
agc050_f F. NAND Tree 4076 115
agc015_f F. Kenus the Ancient Greek 4083 430
agc061_f F. Perfect Strings 4084 99
agc057_e E. RowCol/ColRow Sort 4128 138
agc057_f F. Reflection 4128 86
arc141_f F. Well-defined Abbreviation 4134 165
agc021_f F. Trinity 4145 505
agc014_f F. Strange Sorting 4201 290
agc070_d D. 2D Solitaire 4211 11
agc062_e E. Overlap Binary Tree 4233 35
agc065_e E. One Two Three 4235 18
agc069_e E. Pair of Sequences 4255 20
agc063_f F. Simultaneous Floor 4273 24
agc055_f F. Creative Splitting 4288 147
agc054_f F. Decrement 4300 52
agc056_f F. Degree Sequence in DFS Order 4310 88
agc043_f F. Jewelry Box 4347 103
agc045_f F. Division into Multiples 4383 94
abc298_a A. Job Interview null 12541
tessoku_book_a A01. The First Problem null 12389
abc299_a A. Treasure Chest null 12043
abc306_b B. Base 2 null 11555
abc304_b B. Subscribers null 10796
tessoku_book_b A02. Linear Search null 10389
abc299_b B. Trick Taking null 9942
tessoku_book_c A03. Two Cards null 9461