Mathematics:整数

# ID Name Difficulty Solver
1 agc010_a A. Addition -10000 7927
2 abc187_a A. Large Digits -1172 18157
3 abc165_a A. We Love Golf -708 23028
4 diverta2019_2_a A. Ball Distribution -642 6503
5 diverta2019_a A. Consecutive Integers -551 6916
6 abc156_b B. Digits -466 17141
7 abc239_b B. Integer Division -378 12283
8 abc148_c C. Snack -341 15690
9 abc120_b B. K-th Common Divisor -168 15208
10 arc110_a A. Redundant Redundancy -81 6986
11 abc106_b B. 105 -75 17688
12 abc158_b B. Count Balls -72 18712
13 arc107_a A. Simple Math -28 8344
14 abc180_c C. Cream puff -13 14684
15 abc208_c C. Fair Candy Distribution -13 12470
16 arc108_a A. Sum and Product -3 7301
17 arc116_a A. Odd vs Even 22 6827
18 abc162_c C. Sum of gcd of Tuples (Easy) 34 18143
19 abc272_c C. Max Even 51 11665
20 abc149_c C. Next Prime 62 17224
21 arc032_1 A. ホリドッグ 77 3062
22 apc001_a A. Two Integers 123 4724
23 abc200_c C. Ringo's Favorite Numbers 2 138 14231
24 arc012_2 B. アキレスと亀 159 2473
25 arc017_1 A. 素数、コンテスト、素数 185 4197
26 arc113_a A. A*B*C 191 6721
27 abc196_c C. Doubled 202 13841
28 abc097_b B. Exponential 207 11299
29 abc239_d D. Prime Sum Game 215 9702
30 sumitb2019_c C. 100 to 105 216 8880
31 abc195_c C. Comma 235 11299
32 arc096_a C. Half and Half 273 17696
33 abc182_c C. To 3 274 13019
34 arc165_a A. Sum equals LCM 275 3821
35 abc144_c C. Walk on Multiplication Table 311 15486
36 jsc2021_c C. Max GCD 2 338 5777
37 abc139_d D. ModSum 354 16011
38 tenka1_2012_9 A. 与えられた数より小さい素数の個数について 369 2312
39 dwango2016qual_a A. ニコニコ数 373 2296
40 abc193_c C. Unexpressed 378 12520
41 agc021_a A. Digit Sum 2 396 6752
42 arc118_a A. Tax Included Price 418 4373
43 code_festival_2017_qualc_b B. Similar Arrays 424 5881
44 abc292_c C. Four Variables 444 9846
45 abc103_c C. Modulo Summation 451 12711
46 abc060_b B. Choose Integers 503 12809
47 abc131_c C. Anti-Division 518 14533
48 abc253_d D. FizzBuzz Sum Hard 520 9546
49 abc109_c C. Skip 542 11404
50 yahoo_procon2019_qual_c C. When I hit my pocket... 547 6326
51 arc044_a A. 素数判定 560 3612
52 arc113_b B. A^B^C 573 5598
53 arc080_a C. 4-adjacent 578 10294
54 abc165_d D. Floor Function 600 12577
55 abc181_d D. Hachi 600 9370
56 abc238_c C. digitnum 637 8709
57 arc115_a A. Two Choices 641 4328
58 abc276_d D. Divide by 2 or 3 645 8559
59 agc028_a A. Two Abbreviations 645 5184
60 abc118_c C. Monsters Battle Royale 646 10641
61 abc284_d D. Happy New Year 2023 658 9490
62 abc227_c C. ABC conjecture 692 8293
63 abc070_c C. Multiple Clocks 697 9891
64 panasonic2020_c C. Sqrt Inequality 701 9837
65 abc226_d D. Teleportation 706 7302
66 abc190_d D. Staircase Sequences 722 9579
67 abc169_d D. Div Game 732 14499
68 abc215_d D. Coprime 2 736 9536
69 caddi2018_a C. Product and GCD 778 6059
70 abc061_c C. Big Array 808 9534
71 abc148_e E. Double Factorial 818 10674
72 arc112_b B. -- - B 822 4409
73 abc142_d D. Disjoint Set of Common Divisors 827 11166
74 cf_2015_morning_easy_c C. ヘイホー君と最終試験 841 1832
75 abc048_b B. Between a and b ... 861 13029
76 abc280_d D. Factorial and Multiple 880 7299
77 abc298_d D. Writing a Numeral 882 6487
78 abc234_e E. Arithmetic Number 899 6387
79 abc174_c C. Repsept 902 12688
80 abc057_c C. Digits in Multiplication 904 13315
81 abc300_d D. AABCC 908 6671
82 abc342_d D. Square Pair 944 7470
83 agc018_a A. Getting Difference 947 5566
84 abc172_d D. Sum of Divisors 963 11797
85 arc102_a C. Triangular Relationship 966 8515
86 arc067_a C. Factors of Factorial 967 9936
87 abc230_e E. Fraction Floor Sum 969 5792
88 abc357_d D. 88888888 970 7094
89 abc084_d D. 2017-like Number 980 9444
90 abc249_d D. Index Trio 983 6843
91 abc112_d D. Partition 1025 7425
92 arc051_b B. 互除法 1032 2460
93 abc170_d D. Not Divisible 1033 10880
94 agc023_a A. Zero-Sum Ranges 1038 6748
95 abc177_e E. Coprime 1057 8224
96 arc023_2 B. 謎の人物X 1111 2234
97 abc019_3 C. 高橋くんと魔法の箱 1129 4371
98 arc111_a A. Simple Math 2 1146 4715
99 abc179_e E. Sequence Sum 1175 6436
100 abc254_d D. Together Square 1191 6148
101 abc125_c C. GCD on Blackboard 1197 14430
102 arc026_2 B. 完全数 1199 3271
103 abc105_c C. Base -2 Number 1204 7226
104 abc147_d D. Xor Sum 4 1205 8113
105 abc096_d D. Five, Five Everywhere 1226 6069
106 abc164_d D. Multiple of 2019 1232 10365
107 arc125_b B. Squares 1273 2916
108 abc114_d D. 756 1337 5401
109 abc152_e E. Flatten 1348 5796
110 abc259_e E. LCM on Whiteboard 1370 4196
111 abc192_d D. Base n 1425 5720
112 abc105_d D. Candy Distribution 1458 5126
113 abc186_e E. Throne 1461 4249
114 arc124_c C. LCM of GCDs 1495 2509
115 abc292_f F. Regular Triangle Inside a Rectangle 1522 2941
116 abc161_f F. Division or Subtraction 1528 4985
117 abc150_d D. Semi Common Multiple 1534 5709
118 abc228_e E. Integer Sequence Fair 1579 3927
119 arc034_3 C. 約数かつ倍数 1584 1637
120 agc047_a A. Integer Product 1592 2671
121 abc210_e E. Ring MST 1618 3031
122 agc022_b B. GCD Sequence 1645 2169
123 abc136_e E. Max GCD 1670 3880
124 abc110_d D. Factorization 1695 4562
125 arc163_c C. Harmonic Mean 1711 1883
126 arc139_b B. Make N 1719 1735
127 agc026_b B. rng_10s 1720 2137
128 abc254_f F. Rectangle GCD 1764 2594
129 arc117_c C. Tricolor Pyramid 1768 2509
130 acl1_b B. Sum is Multiple 1785 1392
131 arc122_c C. Calculator 1818 1634
132 arc126_c C. Maximize GCD 1824 1953
133 abc286_f F. Guess The Number 2 1841 1870
134 abc158_e E. Divisible Substring 1866 4088
135 arc004_3 C. 平均値太郎の憂鬱 ( The melancholy of Taro Heikinchi ) 1904 951
136 agc043_b B. 123 Triangle 1945 1910
137 abc193_e E. Oversleeping 1948 2086
138 codefestival_2015_qualB_d D. Squares, Pieces and Coloring 1965 511
139 arc106_d D. Powers 1988 2050
140 code_festival_final_f F. 誤情報 2023 340
141 arc110_d D. Binomial Coefficient is Fun 2078 1878
142 abc212_g G. Power Pair 2150 1488
143 abc156_f F. Modularness 2150 1424
144 arc059_c E. Children and Candies 2189 1772
145 arc017_4 D. ARCたんクッキー 2244 413
146 arc042_d D. あまり 2247 437
147 agc038_c C. LCMs 2327 2146
148 abc212_f F. Greedy Takahashi 2332 1280
149 arc050_c C. LCM 111 2372 716
150 abc147_f F. Sum Difference 2393 1266
151 abc137_f F. Polynomial Construction 2402 1148
152 arc052_d D. 9 2436 494
153 arc084_b D. Small Multiple 2457 5841
154 agc047_c C. Product Modulo 2496 1042
155 arc023_4 D. GCD区間 2511 464
156 arc111_e E. Simple Math 3 2541 766
157 arc057_c C. 2乗根 2547 364
158 abc020_d D. LCM Rush 2695 967
159 arc084_c E. Finite Encyclopedia of Integer Sequences 2703 757
160 tenka1_2019_e E. Polynomial Divisors 2746 495
161 agc025_d D. Choosing Points 2868 1079
162 agc027_d D. Modulo Matrix 2984 1197
163 tenka1_2017_f F. ModularPowerEquation!! 3653 275
164 typical90_x 024. Select +／- One（★2） null 9534
165 typical90_v 022. Cubic Cake（★2） null 9520
166 typical90_bw 075. Magic For Balls（★3） null 4729
167 typical90_ad 030. K Factors（★5） null 3807
168 typical90_cg 085. Multiplication 085（★4） null 3529
169 agc001_b B. Mysterious Light null 3409
170 practice2_c C. Floor Sum null 2263
171 past202012_c C. Hexatridecimal null 1861
172 chokudai_S002_g G. GCD α null 1747
173 chokudai_S001_g G. あまり null 1380
174 nikkei2019ex_f E. スーパーFizzBuzz null 1307
175 code_thanks_festival_2017_d D. Bus Tour null 915
176 chokudai_S002_j J. GCD β null 877
177 joisc2007_factor factorial. 階乗 (Factorial) null 814
178 colopl2018_qual_c C. すぬけそだて――ごはん―― null 803
179 ddcc2020_final_a A. Div/de null 729
180 joisc2007_fermat fermat. フェルマー方程式 (Fermat) null 655
181 ddcc2017_final_b B. GCDロボット null 655
182 ddcc_2016_qual_c C. ロト2 null 653
183 jag2018summer_day2_a A. 10^N+7 null 569
184 ttpc2015_d D. 文字列と素数 null 375
185 tkppc4_1_g G. バラバラ掛け算 null 363
186 s8pc_3_a A. Calendar null 354
187 iroha2019_day3_i I. Prime or Not null 330
188 ddcc2018_qual_d D. チップ・ストーリー　～黄金編～ null 321
189 bcu30_2018_a A. Ball null 268
190 relay_e E. Segment on Grid Paper null 266
191 maximum_2013_b B. Working for the World null 265
192 icpc2015summer_day2_a A. 幾何問題を解こう null 225
193 wtf19_b B. Multiple of Nine null 205
194 s8pc_2_b B. Division 2 null 191
195 icpc2015summer_day2_b B. 監獄 null 129
196 tkppc4_1_n N. multiple null 123
197 iroha2019_day3_l L. デクレッシェンド null 110
198 xmascon19_d D. Sum of (-1)^f(n) null 110
199 tkppc6_1_i I. 1<->k null 92
200 xmascon19_e E. Sum of f(n) null 69
201 qupc2018_i I. Buffalo null 47
202 ttpc2019_i I. I hate P null 39
203 xmascon19_h H. Stamps 3 null 33
204 pakencamp_2019_day4_g G. 三つの条件 null 9