Wanted

5645:problems_untagged

ID Name Difficulty Solver
abc296_h Ex. Unite 2822 222
arc104_e E. Random LIS 2824 704
arc106_e E. Medals 2825 1234
agc067_c C. Divisibility Homomorphism 2829 228
abc293_h Ex. Optimal Path Decomposition 2831 338
abc458_g G. Children Yearn for the Evil Kindergarten 2831 326
abc242_h Ex. Random Painting 2835 650
abc460_g G. Vertex Flip Query 2838 190
abc280_g G. Do Use Hexagon Grid 2 2842 276
agc071_b B. Maximum Bracket Subsequence 2842 200
arc200_e E. popcount <= 2 2852 369
abc297_h Ex. Diff Adjacent 2855 228
abc376_g G. Treasure Hunting 2858 465
agc069_b B. Pair Guessing 2859 264
abc308_h Ex. Make Q 2861 378
arc184_b B. 123 Set 2867 573
arc173_e E. Rearrange and Adjacent XOR 2869 379
arc209_c C. Adjusting a Rectangle 2869 168
agc045_b B. 01 Unbalanced 2873 748
arc125_e E. Snack 2874 969
abc347_g G. Grid Coloring 2 2876 403
abc322_g G. Two Kinds of Base 2876 273
arc157_e E. XXYX Binary Tree 2877 664
abc244_h Ex. Linear Maximization 2878 424
agc053_c C. Random Card Game 2878 380
arc187_d D. Many Easy Optimizations 2880 389
arc183_d D. Keep Perfectly Matched 2880 375
abc241_h Ex. Card Deck Score 2881 526
codefestival_2016_qualC_e E. Encyclopedia of Permutations 2885 219
abc224_h H. Security Camera 2 2887 419
arc141_d D. Non-divisible Set 2890 583
abc254_g G. Elevators 2890 375
arc158_d D. Equation 2893 822
abc236_h Ex. Distinct Multiples 2898 731
arc221_c C. Two Deques Sorting 2899 178
arc206_e E. Rectangle Coloring 2902 215
agc059_c C. Guessing Permutation for as Long as Possible 2905 659
abc271_h Ex. General General 2908 253
arc179_e E. Rectangle Concatenation 2909 296
abc221_g G. Jumping sequence 2914 1175
abc277_h Ex. Constrained Sums 2917 513
arc196_c C. Strongly Connected 2917 207
abc351_g G. Hash on Tree 2920 616
abc372_g G. Ax + By < C 2925 241
agc051_c C. Flipper 2928 308
agc074_c C. PORALIS 2928 196
arc231_f F. Two Unbalanced Subtrees 2929 158
abc386_g G. Many MST 2930 314
agc064_c C. Erase and Divide Game 2932 416
arc172_d D. Distance Ranking 2936 725
arc142_d D. Deterministic Placing 2938 425
abc314_h Ex. Disk and Segments 2938 268
wtf22_day1_b B. Non-Overlapping Swaps 2945 114
arc221_d D. Two Balanced Subtrees 2946 191
abc397_g G. Maximize Distance 2947 456
arc230_c C. Buildings 2947 123
agc068_a A. Circular Distance 2948 263
agc066_e E. Sliding Puzzle On Tree 2950 165
arc228_c C. Partially Sort 2953 144
arc196_d D. Roadway 2956 214
abc262_h Ex. Max Limited Sequence 2957 645
arc210_e E. Subset Sum Gaps 2957 345
arc215_f F. Scapus 2959 164
abc248_h Ex. Beautiful Subsequences 2960 422
arc207_d D. Devourers and Cake 2965 224
abc235_h Ex. Painting Weighted Graph 2967 325
abc327_g G. Many Good Tuple Problems 2968 338
abc427_g G. Takahashi's Expectation 2 2975 149
agc070_c C. No Streak 2983 339
abc299_h Ex. Dice Sum Infinity 2984 200
agc072_c C. Human Exercise 2984 186
abc387_g G. Prime Circuit 2986 150
arc198_e E. Monotone OR 2988 292
arc152_e E. Xor Annihilation 2990 385
arc149_d D. Simultaneous Sugoroku 2991 673
agc058_c C. Planar Tree 2991 399
abc355_g G. Baseball 2991 298
arc182_d D. Increment Decrement Again 2992 292
abc440_g G. Haunted House 2993 162
abc329_g G. Delivery on Tree 2995 189
arc168_e E. Subsegments with Large Sums 3001 617
arc155_d D. Avoid Coprime Game 3001 496
arc204_c C. Maximize Sum of Mex 3004 170
abc313_h Ex. Group Photo 3008 456
arc141_e E. Sliding Edge on Torus 3009 329
arc190_c C. Basic Grid Problem with Updates 3010 278
abc252_h Ex. K-th beautiful Necklace 3015 398
abc414_g G. AtCoder Express 4 3020 323
abc356_g G. Freestyle 3022 222
abc439_g G. Sugoroku 6 3023 104
arc134_e E. Modulo Nim 3026 506
abc383_g G. Bar Cover 3026 420
abc309_h Ex. Simple Path Counting Problem 3029 244
agc077_c C. Reverse and DAG 3029 110
arc124_e E. Pass to Next 3031 807
abc344_g G. Points and Comparison 3032 240
arc137_e E. Bakery 3034 402
arc171_e E. Rookhopper's Tour 3034 287
agc066_c C. Delete AAB or BAA 3036 435
abc418_g G. Binary Operation 3038 162
abc263_h Ex. Intersection 2 3041 237
abc220_h H. Security Camera 3047 415
arc193_c C. Grid Coloring 3 3047 295
arc128_e E. K Different Values 3049 323
abc378_g G. Everlasting LIDS 3051 200
abc245_h Ex. Product Modulo 2 3057 421
abc294_h Ex. K-Coloring 3058 308
abc225_h H. Social Distance 2 3061 275
arc191_e E. Unfair Game 3063 174
arc211_e E. Greedy Takahashi 2 3064 217
tenka1_2012_12 D. ゆうびんやさんのお花畑 3066 19
arc208_d D. Symmetric Matrix 3070 185
arc132_f F. Takahashi The Strongest 3076 437
agc076_b B. Split and Reverse 3079 171
arc216_d D. GCD of Product of Arithmetic Progression 3079 108
abc465_g G. Sum of Mex of Mod of Linear 3082 123
arc232_d D. Delete Different 3085 98
abc276_h Ex. Construct a Matrix 3087 229
code_festival_2017_quala_f F. Squeezing Slimes 3091 275
abc323_g G. Inversion of Tree 3091 145
arc118_e E. Avoid Permutations 3092 727
abc455_g G. Balanced Subarrays 3092 165
arc120_f F. Wine Thief 3094 492
mujin_pc_2017_c C. Robot and String 3096 431
agc073_b B. Cyclic Jump 3096 287
ahc004_a A. Alien's Genome Assembly 3097 834
nomura2020_f F. Sorting Game 3097 347
arc182_e E. Sum of Min of Mod of Linear 3098 182
arc136_e E. Non-coprime DAG 3100 711
abc313_f I. Flip Machines 3100 415
arc176_e E. Max Vector 3101 506
abc215_h H. Cabbage Master 3101 398
arc161_f F. Everywhere is Sparser than Whole (Judge) 3106 371
arc184_c C. Mountain and Valley Folds 3108 271
abc251_h Ex. Fill Triangle 3108 169
abc367_g G. Sum of (XOR^K or 0) 3110 267
arc199_c C. Circular Tree Embedding 3111 256
abc217_h H. Snuketoon 3112 759
abc262_g G. LIS with Stack 3114 354
arc202_d D. King 3116 143
discovery_2016_qual_d D. DDPC特別ビュッフェ 3116 45
agc065_d D. Not Intersect 3117 253
abc444_g G. Kyoen 3117 94
abc459_g G. Golf 2 3123 100
arc116_f F. Deque Game 3125 448
abc284_h Ex. Count Unlabeled Graphs 3125 213
arc107_f F. Sum of Abs 3130 976
arc146_e E. Simple Speed 3131 517
code_festival_final_g G. 魔方陣 3132 49
arc161_e E. Not Dyed by Majority (Cubic Graph) 3136 443
abc336_g G. 16 Integers 3138 284
arc192_e E. Snuke's Kyoto Trip 3142 221
arc132_e E. Paw 3144 534
dwango2016qual_e E. 花火 3144 287
agc072_b B. AGC Language 3148 130
arc223_f F. Zonal Score Maximization 3156 137
arc135_e E. Sequence of Multiples 3157 325
agc058_d D. Yet Another ABC String 3159 780
abc270_h Ex. add 1 3159 418
arc227_f F. Erase and Raise 3159 232
abc357_g G. Stair-like Grid 3159 128
arc117_e E. Zero-Sum Ranges 2 3166 743
agc023_d D. Go Home 3173 911
ahc005_a A. Patrolling 3173 787
arc170_e E. BDFS 3174 242
abc304_g G. Max of Medians 3177 255
arc186_e E. Missing Subsequence 3178 209
arc188_d D. Mirror and Order 3178 173
abc281_h Ex. Alchemy 3180 186
agc068_c C. Ball Redistribution 3182 177
tenka1_2013_qualB_d D. 天下一二三パズル リベンジ 3182 20
abc240_h Ex. Sequence of Substrings 3184 731
arc149_e E. Sliding Window Sort 3188 375
arc130_e E. Increasing Minimum 3188 267
arc162_f F. Montage 3190 396
abc274_h Ex. XOR Sum of Arrays 3191 255
abc285_h Ex. Avoid Square Number 3192 303
rcl_contest_2021_long_a A. Farm King X 3195 521
abc406_g G. Travelling Salesman Problem 3197 141
arc160_f F. Count Sorted Arrays 3202 398
agc073_c C. Product of Max of Sum of Subtree 3202 184
arc213_d D. Minimize Inversion 3202 80
agc078_b B. L Robust IS 3203 91
agc004_e E. Salvage Robots 3205 924
abc300_h Ex. Fibonacci: Revisited 3209 194
abc275_h Ex. Monster 3210 284
arc130_f F. Replace by Average 3211 321
arc104_f F. Visibility Sequence 3213 716
agc070_b B. Odd Namori 3217 258
arc139_e E. Wazir 3222 222
arc175_e E. Three View Drawing 3223 327
arc177_e E. Wrong Scoreboard 3227 160
tenka1_2015_qualB_e E. 天下一演算 3228 17
abc227_h H. Eat Them All 3229 190
arc159_e E. Difference Sum Query 3229 181
arc105_f F. Lights Out on Connected Graph 3231 894
arc142_e E. Pairing Wizards 3232 579
arc165_f F. Make Adjacent 3235 417
arc144_e E. GCD of Path Weights 3238 352
arc133_e E. Cyclic Medians 3238 290
arc193_d D. Magnets 3240 165
arc219_g G. Traveling Door-to-Door Salesman (Stairs) 3240 62
arc213_c C. Double X 3241 94
arc199_d D. Limestone 3243 189
arc124_f F. Chance Meeting 3246 253
abc289_h Ex. Trio 3246 168
abc238_h Ex. Removing People 3247 277
arc159_f F. Good Division 3250 410
arc189_e E. Straight Path 3257 196
cf_2015_morning_hard_c C. 数列の組み替え 3258 29
abc301_g G. Worst Picture 3262 122
arc167_e E. One Square in a Triangle 3271 354
agc062_d D. Walk Around Neighborhood 3274 193
arc153_e E. Deque Minimization 3276 223
abc382_g G. Tile Distance 3 3278 73
abc279_h Ex. Sum of Prod of Min 3279 187
arc166_e E. Fizz Buzz Difference 3279 152
abc288_h Ex. A Nameless Counting Problem 3282 270
arc160_e E. Make Biconnected 3284 292
agc075_b B. Traffic Light 3284 82
tenka1_2014_qualB_e E. カラオケランキング 3284 7
arc204_d D. Favorite Interval 3290 113
arc218_f F. Buckets 3294 46
abc216_h H. Random Robots 3295 569
arc163_f F. Many Increasing Problems 3295 107
abc429_g G. Sum of Pow of Mod of Linear 3295 100
abc219_h H. Candles 3297 780
code_festival_morning_hard_d D. Rail Tour 3303 13
abc448_g G. Conquest 3305 68
abc280_h Ex. Substring Sort 3307 131
code_festival_final_j J. 2つのカップ 3309 54
agc014_e E. Blue and Red Tree 3312 961
arc137_f F. Overlaps 3313 114
abc381_g G. Fibonacci Product 3313 89
agc011_e E. Increasing Numbers 3315 804
code_festival_2017_qualc_f F. Three Gluttons 3315 292
agc059_d D. Distinct Elements on Subsegments 3319 211
abc265_h Ex. No-capture Lance Game 3319 147
agc036_d D. Negative Cycle 3326 901
arc183_e E. Ascendant Descendant 3331 173
arc169_e E. Avoid Boring Matches 3333 195
abc306_h Ex. Balance Scale 3335 841
arc115_f F. Migration 3336 349
arc129_e E. Yet Another Minimization 3337 336
arc163_e E. Chmin XOR Game 3338 206
agc056_b B. Range Argmax 3339 559
agc056_d D. Subset Sum Game 3339 340
abc260_h Ex. Colorfulness 3339 157
dwango2015_prelims_5 E. 電波局 3342 17
abc310_h Ex. Negative Cost 3343 257
abc345_g G. Sugoroku 5 3343 112
abc305_h Ex. Shojin 3344 282
agc067_d D. Unique Matching 3345 295
apc001_h H. Generalized Insertion Sort 3346 204
agc069_d D. Tree and Intervals 3346 158
abc466_g G. Segment Sum Constraints 3347 135
abc398_g G. Not Only Tree Game 3352 217
abc363_g G. Dynamic Scheduling 3358 188
tenka1_2015_qualA_e E. 天下一魔法使い 3359 28
agc057_c C. Increment or Xor 3366 317
agc061_b B. Summation By Construction 3371 222
arc203_e E. Tile Grid with One Hole 3376 85
abc402_g G. Sum of Prod of Mod of Linear 3381 124
jsc2021_h H. Shipping 3383 145
tokiomarine2020_f F. Triangles 3385 107
agc068_e E. Sort and Match 3392 249
arc140_f F. ABS Permutation (Count ver.) 3392 183
agc060_d D. Same Descent Set 3394 250
abc412_g G. Degree Harmony 3402 97
ahc007_a A. Online MST 3403 818
agc077_d D. Range Replace 2 3412 110
arc220_d D. Long Trail 3412 84
arc187_e E. Replace Triplets 3414 114
agc078_a A. Rearrange ABC 3423 77
abc317_h Ex. Walk 3426 80
agc009_e E. Eternal Average 3428 1125
abc370_g G. Divisible by 3 3428 148
arc112_f F. Die Siedler 3432 361
arc150_f F. Constant Sum Subsequence 3432 336
arc169_f F. Large DP Table 3434 136
arc184_e E. Accumulating Many Times 3443 135
agc060_e E. Number of Cycles 3452 131
abc330_g G. Inversion Squared 3455 96
agc052_e E. 3 Letters 3457 315
abc257_h Ex. Dice Sum 2 3461 167
keyence2021_f F. Keyence Repetition 3461 105
agc028_f F. Reachable Cells 3462 350
arc201_f F. CatCoder Triple Contest 3462 129
codefestival_2016_final_i I. Reverse Grid 3463 196
arc150_e E. Weathercock 3466 244
arc233_d D. Zigzag Code for Cubic Functions 3467 26
arc221_e E. Two Increasing Sequences 3471 52
agc030_f F. Permutation and Minimum 3474 902
arc172_f F. Walking 3474 98
abc222_h H. Beautiful Binary Tree 3477 323
arc164_f F. Subtree Reversi 3486 223
abc249_h Ex. Dye Color 3487 191
arc126_f F. Affine Sort 3488 91
agc049_e E. Increment Decrement 3496 420
agc054_e E. ZigZag Break 3499 260