Our Patreons
Diamond Sponsors
Steven & Felix Halim
Reinardus Pradhitya
Gold Sponsors
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Silver Sponsors
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Bronze Sponsors
Christianto Handojo
Krzysztof Adamek
Fatima Broom
Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
|
10900 - So you want to be a 2n-aire? | 1752 |
78.37%
|
790 |
92.78%
|
|
|
|
10901 - Ferry Loading III | 14371 |
31.22%
|
3502 |
80.81%
|
|
|
|
10902 - Pick-up Sticks | 5124 |
38.91%
|
1233 |
82.97%
|
|
|
|
10903 - Rock-Paper-Scissors Tournament | 12280 |
32.12%
|
2815 |
83.66%
|
|
|
|
10904 - Structural Equivalence | 503 |
36.18%
|
135 |
70.37%
|
|
|
|
10905 - Children's Game | 31012 |
32.44%
|
6348 |
77.68%
|
|
|
|
10906 - Strange Integration | 883 |
46.55%
|
387 |
86.56%
|
|
|
|
10907 - Art Gallery | 797 |
20.95%
|
173 |
64.16%
|
|
|
|
10908 - Largest Square | 15704 |
43.19%
|
4260 |
91.95%
|
|
|
|
10909 - Lucky Number | 4213 |
32.47%
|
673 |
73.70%
|
|
|
|
10910 - Marks Distribution | 6813 |
52.44%
|
2515 |
93.20%
|
|
|
|
10911 - Forming Quiz Teams | 15837 |
48.38%
|
4816 |
86.17%
|
|
|
|
10912 - Simple Minded Hashing | 8021 |
40.56%
|
2153 |
89.41%
|
|
|
|
10913 - Walking on a Grid | 4109 |
38.89%
|
1254 |
84.69%
|
|
|
|
10914 - Abundance and Perfect Numbers | 1435 |
44.32%
|
358 |
78.77%
|
|
|
|
10915 - War on Weather | 879 |
53.24%
|
359 |
91.09%
|
|
|
|
10916 - Factstone Benchmark | 5194 |
62.59%
|
2378 |
94.66%
|
|
|
|
10917 - Walk Through the Forest | 7389 |
39.87%
|
1432 |
85.27%
|
|
|
|
10918 - Tri Tiling | 5780 |
60.31%
|
2430 |
96.30%
|
|
|
|
10919 - Prerequisites? | 6682 |
68.42%
|
3535 |
96.27%
|
|
|
|
10920 - Spiral Tap | 9525 |
44.57%
|
3429 |
88.63%
|
|
|
|
10921 - Find the Telephone | 25877 |
60.21%
|
12444 |
96.46%
|
|
|
|
10922 - 2 the 9s | 22320 |
52.93%
|
8056 |
94.24%
|
|
|
|
10923 - Seven Seas | 1163 |
22.70%
|
323 |
55.73%
|
|
|
|
10924 - Prime Words | 47403 |
39.02%
|
12064 |
93.20%
|
|
|
|
10925 - Krakovia | 9556 |
37.22%
|
2972 |
88.16%
|
|
|
|
10926 - How Many Dependencies? | 9844 |
37.21%
|
2521 |
88.66%
|
|
|
|
10927 - Bright Lights | 5691 |
28.75%
|
1169 |
82.12%
|
|
|
|
10928 - My Dear Neighbours | 9700 |
42.42%
|
2755 |
90.34%
|
|
|
|
10929 - You can say 11 | 61239 |
35.94%
|
15708 |
87.73%
|
|
|
|
10930 - A-Sequence | 8522 |
24.01%
|
1906 |
74.55%
|
|
|
|
10931 - Parity | 35116 |
58.05%
|
12649 |
96.28%
|
|
|
|
10932 - Calculator | 1412 |
25.64%
|
350 |
67.71%
|
|
|
|
10933 - Volleyball | 1248 |
26.12%
|
361 |
72.02%
|
|
|
|
10934 - Dropping water balloons | 4859 |
45.11%
|
1014 |
90.43%
|
|
|
|
10935 - Throwing cards away I | 89298 |
30.45%
|
11841 |
87.53%
|
|
|
|
10936 - Land surveyor's job | 604 |
25.99%
|
178 |
71.35%
|
|
|
|
10937 - Blackbeard the Pirate | 4194 |
37.72%
|
737 |
87.79%
|
|
|
|
10938 - Flea circus | 6132 |
37.88%
|
1332 |
88.36%
|
|
|
|
10939 - Ants, Aphids and a Ladybug | 583 |
24.01%
|
116 |
65.52%
|
|
|
|
10940 - Throwing cards away II | 12634 |
49.61%
|
4380 |
86.12%
|
|
|
|
10941 - Words adjustment | 817 |
28.03%
|
175 |
69.71%
|
|
|
|
10942 - Can of Beans | 1345 |
45.95%
|
537 |
87.15%
|
|
|
|
10943 - How do you add? | 20941 |
49.20%
|
6130 |
93.75%
|
|
|
|
10944 - Nuts for nuts.. | 4279 |
36.76%
|
949 |
85.04%
|
|
|
|
10945 - Mother bear | 30956 |
46.29%
|
9888 |
93.46%
|
|
|
|
10946 - You want what filled? | 11999 |
42.07%
|
3504 |
93.98%
|
|
|
|
10947 - Bear with me, again.. | 2246 |
55.48%
|
805 |
90.93%
|
|
|
|
10948 - The primary problem | 14610 |
43.41%
|
4280 |
91.05%
|
|
|
|
10949 - Kids in a Grid | 3922 |
15.71%
|
443 |
43.34%
|
|
|
|
10950 - Bad Code | 3028 |
27.11%
|
619 |
82.55%
|
|
|
|
10951 - Polynomial GCD | 998 |
38.58%
|
228 |
83.77%
|
|
|
|
10952 - Pattern Transformations | 320 |
32.50%
|
65 |
76.92%
|
|
|
|
10953 - Stochastic Digit Generator | 586 |
42.66%
|
242 |
78.93%
|
|
|
|
10954 - Add All | 62621 |
43.37%
|
14586 |
85.66%
|
|
|
|
10955 - Playfair Cipher | 186 |
22.58%
|
33 |
63.64%
|
|
|
|
10956 - Prime Suspect | 972 |
42.08%
|
202 |
71.78%
|
|
|
|
10957 - So Doku Checker | 3030 |
50.33%
|
724 |
88.26%
|
|
|
|
10958 - How Many Solutions? | 1841 |
35.74%
|
465 |
83.44%
|
|
|
|
10959 - The Party, Part I | 9937 |
44.45%
|
2978 |
91.81%
|
|
|
|
10960 - The Party, Part II | 335 |
34.03%
|
108 |
73.15%
|
|
|
|
10961 - Chasing After Don Giovanni | 637 |
35.48%
|
206 |
78.16%
|
|
|
|
10962 - Don Giovanni's Last Dinner | 575 |
29.39%
|
189 |
73.02%
|
|
|
|
10963 - The Swallowing Ground | 24645 |
28.54%
|
5987 |
89.28%
|
|
|
|
10964 - Strange Planet | 1133 |
47.75%
|
483 |
89.86%
|
|
|
|
10965 - Khepel's Problem | 498 |
26.31%
|
135 |
68.15%
|
|
|
|
10966 - 3KP-BASH Project | 813 |
12.79%
|
79 |
65.82%
|
|
|
|
10967 - The Great Escape | 1163 |
29.06%
|
251 |
82.07%
|
|
|
|
10968 - KuPellaKeS | 1446 |
29.74%
|
318 |
79.25%
|
|
|
|
10969 - Sweet Dream | 1093 |
29.64%
|
192 |
55.73%
|
|
|
|
10970 - Big Chocolate | 35773 |
68.08%
|
16264 |
97.39%
|
|
|
|
10971 - Building Construction | 138 |
9.42%
|
52 |
23.08%
|
|
|
|
10972 - RevolC FaeLoN | 2842 |
37.05%
|
346 |
83.53%
|
|
|
|
10973 - Triangle Counting | 2850 |
33.19%
|
643 |
81.49%
|
|
|
|
10974 - The Ridiculous Game | 173 |
9.25%
|
34 |
35.29%
|
|
|
|
10975 - Dueue's Quiz | 1475 |
20.41%
|
159 |
57.86%
|
|
|
|
10976 - Fractions Again?! | 28796 |
49.33%
|
7239 |
94.31%
|
|
|
|
10977 - Enchanted Forest | 6925 |
28.61%
|
1105 |
86.97%
|
|
|
|
10978 - Let's Play Magic! | 5132 |
49.86%
|
1908 |
92.30%
|
|
|
|
10979 - How Many Triangles? | 625 |
29.60%
|
183 |
76.50%
|
|
|
|
10980 - Lowest Price in Town | 5611 |
34.61%
|
1184 |
88.18%
|
|
|
|
10981 - String Morphing | 1112 |
25.99%
|
242 |
65.29%
|
|
|
|
10982 - Troublemakers | 2272 |
38.20%
|
529 |
84.69%
|
|
|
|
10983 - Buy one, get the rest free | 2482 |
37.19%
|
601 |
83.36%
|
|
|
|
10984 - Double NP-hard | 1137 |
22.16%
|
253 |
58.50%
|
|
|
|
10985 - Rings'n'Ropes | 1226 |
49.35%
|
344 |
86.92%
|
|
|
|
10986 - Sending email | 47011 |
42.82%
|
8932 |
89.32%
|
|
|
|
10987 - Antifloyd | 1803 |
33.50%
|
498 |
82.33%
|
|
|
|
10988 - From G to H and back | 454 |
12.33%
|
116 |
33.62%
|
|
|
|
10989 - Bomb, Divide and Conquer | 2509 |
35.95%
|
522 |
81.03%
|
|
|
|
10990 - Another New Function | 4573 |
64.20%
|
1526 |
95.41%
|
|
|
|
10991 - Region | 3417 |
71.67%
|
1753 |
96.86%
|
|
|
|
10992 - The Ghost of Programmers | 2960 |
25.17%
|
811 |
72.13%
|
|
|
|
10993 - Ignoring Digits | 1115 |
34.89%
|
309 |
75.40%
|
|
|
|
10994 - Simple Addition | 12081 |
29.37%
|
2753 |
64.91%
|
|
|
|
10995 - Educational Journey | 306 |
57.84%
|
154 |
88.31%
|
|
|
|
10996 - Go | 233 |
48.50%
|
114 |
80.70%
|
|
|
|
10997 - Medals | 667 |
39.28%
|
249 |
82.73%
|
|
|
|
10998 - Flipping Colors | 616 |
59.09%
|
330 |
91.52%
|
|
|
|
10999 - Crabbles | 2027 |
34.83%
|
470 |
78.30%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |


