Mathematics:整数

# ID Name Difficulty Solver
1 agc010_a A. Addition -10000 6628
2 abc187_a A. Large Digits -1172 16899
3 abc165_a A. We Love Golf -708 21621
4 diverta2019_2_a A. Ball Distribution -642 6250
5 diverta2019_a A. Consecutive Integers -551 6720
6 abc156_b B. Digits -466 16057
7 abc239_b B. Integer Division -378 11273
8 abc148_c C. Snack -341 14825
9 abc120_b B. K-th Common Divisor -168 13674
10 arc110_a A. Redundant Redundancy -81 6633
11 abc106_b B. 105 -75 15773
12 abc158_b B. Count Balls -72 17275
13 arc107_a A. Simple Math -28 7488
14 abc180_c C. Cream puff -13 13496
15 abc208_c C. Fair Candy Distribution -13 11362
16 arc108_a A. Sum and Product -3 6907
17 arc116_a A. Odd vs Even 22 6234
18 abc162_c C. Sum of gcd of Tuples (Easy) 34 17128
19 abc272_c C. Max Even 51 10205
20 abc149_c C. Next Prime 62 15488
21 arc032_1 A. ホリドッグ 77 2896
22 apc001_a A. Two Integers 123 4456
23 abc200_c C. Ringo's Favorite Numbers 2 138 12893
24 arc012_2 B. アキレスと亀 159 2371
25 arc017_1 A. 素数、コンテスト、素数 185 3912
26 arc113_a A. A*B*C 191 6285
27 abc196_c C. Doubled 202 12747
28 abc097_b B. Exponential 207 10296
29 abc239_d D. Prime Sum Game 215 8840
30 sumitb2019_c C. 100 to 105 216 8207
31 abc195_c C. Comma 235 10704
32 arc096_a C. Half and Half 273 15825
33 abc182_c C. To 3 274 11966
34 arc165_a A. Sum equals LCM 275 3425
35 abc144_c C. Walk on Multiplication Table 311 14391
36 jsc2021_c C. Max GCD 2 338 5286
37 abc139_d D. ModSum 354 14717
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 2150
39 dwango2016qual_a A. ニコニコ数 373 2173
40 abc193_c C. Unexpressed 378 11392
41 agc021_a A. Digit Sum 2 396 6215
42 arc118_a A. Tax Included Price 418 4099
43 code_festival_2017_qualc_b B. Similar Arrays 424 5470
44 abc292_c C. Four Variables 444 8758
45 abc103_c C. Modulo Summation 451 11251
46 abc060_b B. Choose Integers 503 11630
47 abc131_c C. Anti-Division 518 13464
48 abc253_d D. FizzBuzz Sum Hard 520 8580
49 abc109_c C. Skip 542 10578
50 yahoo_procon2019_qual_c C. When I hit my pocket... 547 5983
51 arc044_a A. 素数判定 560 3393
52 arc113_b B. A^B^C 573 5237
53 arc080_a C. 4-adjacent 578 9604
54 abc165_d D. Floor Function 600 12082
55 abc181_d D. Hachi 600 8849
56 abc238_c C. digitnum 637 7860
57 arc115_a A. Two Choices 641 4075
58 abc276_d D. Divide by 2 or 3 645 7498
59 agc028_a A. Two Abbreviations 645 4915
60 abc118_c C. Monsters Battle Royale 646 10019
61 abc284_d D. Happy New Year 2023 658 8345
62 abc227_c C. ABC conjecture 692 7173
63 abc070_c C. Multiple Clocks 697 9149
64 panasonic2020_c C. Sqrt Inequality 701 9306
65 abc226_d D. Teleportation 706 6541
66 abc190_d D. Staircase Sequences 722 8887
67 abc169_d D. Div Game 732 12626
68 abc215_d D. Coprime 2 736 8101
69 caddi2018_a C. Product and GCD 778 5642
70 abc061_c C. Big Array 808 8741
71 abc148_e E. Double Factorial 818 9381
72 arc112_b B. -- - B 822 4130
73 abc142_d D. Disjoint Set of Common Divisors 827 10303
74 cf_2015_morning_easy_c C. ヘイホー君と最終試験 841 1728
75 abc048_b B. Between a and b ... 861 11664
76 abc280_d D. Factorial and Multiple 880 6410
77 abc234_e E. Arithmetic Number 899 5750
78 abc174_c C. Repsept 902 11975
79 abc057_c C. Digits in Multiplication 904 11947
80 abc300_d D. AABCC 908 5522
81 abc298_d D. Writing a Numeral 943 5584
82 abc342_d D. Square Pair 944 6134
83 agc018_a A. Getting Difference 947 5224
84 abc172_d D. Sum of Divisors 963 10700
85 arc102_a C. Triangular Relationship 966 7974
86 arc067_a C. Factors of Factorial 967 8474
87 abc230_e E. Fraction Floor Sum 969 5033
88 abc084_d D. 2017-like Number 980 8393
89 abc249_d D. Index Trio 983 5914
90 abc112_d D. Partition 1025 6876
91 arc051_b B. 互除法 1032 2352
92 abc170_d D. Not Divisible 1033 9965
93 agc023_a A. Zero-Sum Ranges 1038 6156
94 abc177_e E. Coprime 1057 7510
95 arc023_2 B. 謎の人物X 1111 2163
96 abc019_3 C. 高橋くんと魔法の箱 1129 4084
97 arc111_a A. Simple Math 2 1146 4384
98 abc179_e E. Sequence Sum 1175 5992
99 abc254_d D. Together Square 1191 5449
100 abc125_c C. GCD on Blackboard 1197 11869
101 arc026_2 B. 完全数 1199 3066
102 abc105_c C. Base -2 Number 1204 6655
103 abc147_d D. Xor Sum 4 1205 7183
104 abc096_d D. Five, Five Everywhere 1226 5470
105 abc164_d D. Multiple of 2019 1232 9015
106 arc125_b B. Squares 1273 2695
107 abc114_d D. 756 1337 4781
108 abc152_e E. Flatten 1348 5302
109 abc259_e E. LCM on Whiteboard 1370 3654
110 abc192_d D. Base n 1425 5305
111 abc105_d D. Candy Distribution 1458 4664
112 abc186_e E. Throne 1461 3828
113 arc124_c C. LCM of GCDs 1495 2270
114 abc292_f F. Regular Triangle Inside a Rectangle 1522 2614
115 abc161_f F. Division or Subtraction 1528 4603
116 abc150_d D. Semi Common Multiple 1534 5223
117 abc228_e E. Integer Sequence Fair 1579 3473
118 arc034_3 C. 約数かつ倍数 1584 1557
119 agc047_a A. Integer Product 1592 2540
120 abc210_e E. Ring MST 1618 2637
121 agc022_b B. GCD Sequence 1645 2029
122 abc136_e E. Max GCD 1670 3550
123 abc110_d D. Factorization 1695 4119
124 arc163_c C. Harmonic Mean 1711 1700
125 arc139_b B. Make N 1719 1553
126 agc026_b B. rng_10s 1720 2001
127 abc254_f F. Rectangle GCD 1764 2222
128 arc117_c C. Tricolor Pyramid 1768 2166
129 acl1_b B. Sum is Multiple 1785 1299
130 arc126_c C. Maximize GCD 1824 1723
131 abc286_f F. Guess The Number 2 1841 1628
132 abc158_e E. Divisible Substring 1866 3743
133 arc004_3 C. 平均値太郎の憂鬱 ( The melancholy of Taro Heikinchi ) 1904 891
134 agc043_b B. 123 Triangle 1945 1742
135 abc193_e E. Oversleeping 1948 1889
136 codefestival_2015_qualB_d D. Squares, Pieces and Coloring 1965 473
137 arc106_d D. Powers 1988 1794
138 code_festival_final_f F. 誤情報 2023 321
139 arc110_d D. Binomial Coefficient is Fun 2078 1514
140 abc156_f F. Modularness 2150 1305
141 abc212_g G. Power Pair 2150 1255
142 arc059_c E. Children and Candies 2189 1504
143 arc017_4 D. ARCたんクッキー 2244 350
144 arc042_d D. あまり 2247 413
145 agc038_c C. LCMs 2327 1634
146 abc212_f F. Greedy Takahashi 2332 1079
147 arc050_c C. LCM 111 2372 580
148 abc147_f F. Sum Difference 2393 1111
149 abc137_f F. Polynomial Construction 2402 970
150 arc052_d D. 9 2436 326
151 arc084_b D. Small Multiple 2457 3819
152 agc047_c C. Product Modulo 2496 864
153 arc023_4 D. GCD区間 2511 335
154 arc111_e E. Simple Math 3 2541 625
155 arc057_c C. 2乗根 2547 336
156 abc020_d D. LCM Rush 2695 850
157 arc084_c E. Finite Encyclopedia of Integer Sequences 2703 692
158 tenka1_2019_e E. Polynomial Divisors 2746 436
159 agc025_d D. Choosing Points 2868 906
160 agc027_d D. Modulo Matrix 2984 950
161 tenka1_2017_f F. ModularPowerEquation!! 3653 169
162 typical90_x 024. Select +/- One(★2) null 7647
163 typical90_v 022. Cubic Cake(★2) null 7592
164 typical90_bw 075. Magic For Balls(★3) null 3788
165 typical90_ad 030. K Factors(★5) null 3049
166 agc001_b B. Mysterious Light null 3012
167 typical90_cg 085. Multiplication 085(★4) null 2822
168 practice2_c C. Floor Sum null 1826
169 past202012_c C. Hexatridecimal null 1726
170 chokudai_S002_g G. GCD α null 1657
171 chokudai_S001_g G. あまり null 1307
172 nikkei2019ex_f E. スーパーFizzBuzz null 1270
173 code_thanks_festival_2017_d D. Bus Tour null 888
174 chokudai_S002_j J. GCD β null 818
175 colopl2018_qual_c C. すぬけそだて――ごはん―― null 763
176 joisc2007_factor factorial. 階乗 (Factorial) null 722
177 ddcc_2016_qual_c C. ロト2 null 646
178 ddcc2017_final_b B. GCDロボット null 644
179 joisc2007_fermat fermat. フェルマー方程式 (Fermat) null 564
180 ddcc2020_final_a A. Div/de null 516
181 jag2018summer_day2_a A. 10^N+7 null 511
182 ttpc2015_d D. 文字列と素数 null 355
183 s8pc_3_a A. Calendar null 344
184 tkppc4_1_g G. バラバラ掛け算 null 329
185 ddcc2018_qual_d D. チップ・ストーリー ~黄金編~ null 293
186 iroha2019_day3_i I. Prime or Not null 290
187 relay_e E. Segment on Grid Paper null 241
188 maximum_2013_b B. Working for the World null 239
189 bcu30_2018_a A. Ball null 236
190 icpc2015summer_day2_a A. 幾何問題を解こう null 198
191 s8pc_2_b B. Division 2 null 174
192 wtf19_b B. Multiple of Nine null 158
193 icpc2015summer_day2_b B. 監獄 null 121
194 tkppc4_1_n N. multiple null 103
195 iroha2019_day3_l L. デクレッシェンド null 98
196 tkppc6_1_i I. 1<->k null 89
197 xmascon19_d D. Sum of (-1)^f(n) null 57
198 xmascon19_e E. Sum of f(n) null 44
199 xmascon19_h H. Stamps 3 null 33
200 ttpc2019_i I. I hate P null 33
201 qupc2018_i I. Buffalo null 32
202 pakencamp_2019_day4_g G. 三つの条件 null 7