Browse Problems 
Our Patreons
Diamond Sponsors
Steven & Felix Halim
Reinardus Pradhitya
Gold Sponsors
--- YOUR NAME HERE ----
Silver Sponsors
--- YOUR NAME HERE ----
Bronze Sponsors
Christianto Handojo
Krzysztof Adamek
Fatima Broom
Contribute
Bitcoin:
1ojudgeapLUjJcnUm
ze67a4w3TJ6WnPxo
Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
11300 - Spreading the Wealth | 14824 |
46.26%
|
3276 |
90.51%
|
|
|
|
11301 - Great Wall of China | 909 |
47.19%
|
323 |
87.31%
|
|
|
|
11302 - Hexadecimal Digits of an Integral | 130 |
42.31%
|
45 |
55.56%
|
|
|
|
11303 - Permutations | 418 |
28.71%
|
98 |
72.45%
|
|
|
|
11304 - Difussing Nuclear Bombs on Planet X | 91 |
1.10%
|
44 |
2.27%
|
|
|
|
11305 - Chess on Planet X | 56 |
21.43%
|
28 |
35.71%
|
|
|
|
11306 - Optimal Marriage on Planet X | 257 |
1.17%
|
33 |
9.09%
|
|
|
|
11307 - Alternative Arborescence | 2856 |
34.07%
|
660 |
80.30%
|
|
|
|
11308 - Bankrupt Baker | 5911 |
40.43%
|
1680 |
91.67%
|
|
|
|
11309 - Counting Chaos | 4258 |
48.47%
|
1629 |
93.00%
|
|
|
|
11310 - Delivery Debacle | 3754 |
52.85%
|
1675 |
94.63%
|
|
|
|
11311 - Exclusively Edible | 2466 |
52.64%
|
845 |
90.53%
|
|
|
|
11312 - Flipping Frustration | 2262 |
19.41%
|
371 |
39.89%
|
|
|
|
11313 - Gourmet Games | 3409 |
66.91%
|
1823 |
96.22%
|
|
|
|
11314 - Hardly Hard | 802 |
56.48%
|
322 |
91.61%
|
|
|
|
11315 - Attacker | 280 |
10.71%
|
61 |
27.87%
|
|
|
|
11316 - Prime Frog | 358 |
31.84%
|
71 |
69.01%
|
|
|
|
11317 - GCD+LCM | 742 |
42.05%
|
192 |
82.29%
|
|
|
|
11318 - Marble Game | 225 |
35.56%
|
78 |
62.82%
|
|
|
|
11319 - Stupid Sequence | 2439 |
24.93%
|
386 |
77.98%
|
|
|
11320 - Hidden Triangles | 219 |
40.18%
|
75 |
73.33%
|
|
|
|
11321 - Sort! Sort!! and Sort!!! | 31416 |
27.93%
|
4985 |
82.11%
|
|
|
|
11322 - Romeo and Juliet | 261 |
18.01%
|
135 |
28.15%
|
|
|
|
11323 - Satisfying Constraints | 524 |
24.81%
|
121 |
67.77%
|
|
|
|
11324 - The Largest Clique | 8568 |
38.46%
|
1344 |
86.76%
|
|
|
|
11325 - This Means War! | 284 |
17.25%
|
86 |
50.00%
|
|
|
|
11326 - Laser Pointer | 1643 |
51.13%
|
536 |
91.42%
|
|
|
|
11327 - Enumerating Rational Numbers | 4262 |
61.68%
|
1696 |
92.63%
|
|
|
|
11328 - Drawing Straws at the Office | 192 |
39.58%
|
73 |
69.86%
|
|
|
|
11329 - Curious Fleas | 4848 |
90.80%
|
240 |
82.08%
|
|
|
|
11330 - Andy's Shoes | 2026 |
40.08%
|
505 |
83.76%
|
|
|
|
11331 - The Joys of Farming | 2989 |
29.58%
|
527 |
73.06%
|
|
|
|
11332 - Summing Digits | 70859 |
59.50%
|
26398 |
96.16%
|
|
|
|
11333 - Alphametics | 348 |
18.39%
|
84 |
46.43%
|
|
|
|
11334 - Antenna in the Cinoc Mountains | 445 |
12.36%
|
73 |
41.10%
|
|
|
|
11335 - Discrete Pursuit | 861 |
48.43%
|
288 |
90.28%
|
|
|
|
11336 - DRM | 401 |
34.66%
|
142 |
73.94%
|
|
|
|
11337 - Greatest Hits! | 361 |
21.05%
|
82 |
64.63%
|
|
|
|
11338 - Minefield | 1549 |
38.41%
|
456 |
80.04%
|
|
|
|
11339 - Sonnet Rhyme Verifier | 363 |
30.30%
|
112 |
71.43%
|
|
|
|
11340 - Newspaper | 58921 |
27.64%
|
11577 |
84.69%
|
|
|
|
11341 - Term Strategy | 5736 |
26.36%
|
991 |
85.37%
|
|
|
|
11342 - Three-square | 9959 |
32.42%
|
2418 |
82.13%
|
|
|
|
11343 - Isolated Segments | 3713 |
52.38%
|
1058 |
92.34%
|
|
|
|
11344 - The Huge One | 5173 |
48.15%
|
1913 |
91.69%
|
|
|
|
11345 - Rectangles | 3788 |
35.96%
|
879 |
86.12%
|
|
|
|
11346 - Probability | 3018 |
50.50%
|
816 |
91.54%
|
|
|
|
11347 - Multifactorials | 2610 |
49.20%
|
712 |
92.42%
|
|
|
|
11348 - Exhibition | 4710 |
35.05%
|
1136 |
86.88%
|
|
|
|
11349 - Symmetric Matrix | 38593 |
26.62%
|
5781 |
86.27%
|
|
|
|
11350 - Stern-Brocot Tree | 4088 |
52.67%
|
1437 |
93.46%
|
|
|
|
11351 - Last Man Standing | 2774 |
58.11%
|
1055 |
89.57%
|
|
|
|
11352 - Crazy King | 5484 |
42.56%
|
1827 |
91.74%
|
|
|
|
11353 - A Different Kind of Sorting | 3077 |
53.88%
|
990 |
88.99%
|
|
|
|
11354 - Bond | 9400 |
29.66%
|
1189 |
77.80%
|
|
|
|
11355 - Cool Points | 798 |
24.94%
|
186 |
76.88%
|
|
|
|
11356 - Dates | 3196 |
48.56%
|
1055 |
93.46%
|
|
|
|
11357 - Ensuring Truth | 853 |
57.44%
|
413 |
92.49%
|
|
|
|
11358 - Faster Processing Feasibility | 419 |
38.90%
|
131 |
78.63%
|
|
|
|
11359 - Guards, Imbecile Guards | 439 |
30.07%
|
134 |
75.37%
|
|
|
|
11360 - Have Fun with Matrices | 9362 |
42.28%
|
2658 |
92.78%
|
|
|
|
11361 - Investigating Div-Sum Property | 3778 |
46.16%
|
746 |
81.50%
|
|
|
|
11362 - Phone List | 24338 |
40.49%
|
5845 |
88.98%
|
|
|
|
11363 - Cuckoo Hashing | 599 |
25.21%
|
228 |
47.81%
|
|
|
|
11364 - Parking | 36400 |
69.02%
|
17709 |
96.35%
|
|
|
|
11365 - Copying DNA | 306 |
41.18%
|
96 |
56.25%
|
|
|
|
11366 - Circle of Debt | 144 |
53.47%
|
66 |
74.24%
|
|
|
|
11367 - Full Tank? | 9134 |
44.12%
|
2160 |
89.44%
|
|
|
|
11368 - Nested Dolls | 4256 |
31.18%
|
1084 |
71.31%
|
|
|
|
11369 - Shopaholic | 12930 |
54.97%
|
4627 |
93.73%
|
|
|
|
11370 - Moogle | 354 |
55.37%
|
194 |
77.32%
|
|
|
|
11371 - Number Theory for Newbies | 9520 |
31.13%
|
2753 |
83.11%
|
|
|
|
11372 - Arranging a Contest | 726 |
22.45%
|
175 |
60.57%
|
|
|
|
11373 - Happy Birthday | 389 |
31.11%
|
134 |
67.16%
|
|
|
|
11374 - Airport Express | 15610 |
20.66%
|
1062 |
79.10%
|
|
|
|
11375 - Matches | 2929 |
35.64%
|
624 |
83.65%
|
|
|
|
11376 - Tilt! | 379 |
28.76%
|
63 |
69.84%
|
|
|
|
11377 - Airport Setup | 4788 |
28.28%
|
982 |
85.64%
|
|
|
|
11378 - Bey Battle | 2956 |
37.14%
|
590 |
84.24%
|
|
|
|
11379 - Chichi's Home Work | 184 |
56.52%
|
92 |
80.43%
|
|
|
|
11380 - Down Went The Titanic | 4762 |
42.31%
|
948 |
89.77%
|
|
|
|
11381 - Elegant Strings | 701 |
32.81%
|
149 |
83.89%
|
|
|
|
11382 - Fear of The Dark | 274 |
30.66%
|
69 |
66.67%
|
|
|
|
11383 - Golden Tiger Claw | 3183 |
44.89%
|
454 |
90.75%
|
|
|
|
11384 - Help is needed for Dexter | 8483 |
67.90%
|
2315 |
96.20%
|
|
|
|
11385 - Da Vinci Code | 9790 |
31.14%
|
2588 |
84.78%
|
|
|
|
11386 - Triples | 3704 |
21.81%
|
608 |
61.84%
|
|
|
|
11387 - The 3-Regular Graph | 2393 |
51.23%
|
806 |
95.04%
|
|
|
|
11388 - GCD LCM | 30916 |
57.84%
|
8642 |
95.53%
|
|
|
|
11389 - The Bus Driver Problem | 21517 |
50.21%
|
6030 |
92.72%
|
|
|
|
11390 - The Sultan's Feast | 491 |
25.05%
|
108 |
67.59%
|
|
|
|
11391 - Blobs in the Board | 2219 |
36.46%
|
531 |
90.21%
|
|
|
|
11392 - Binary*3 Type Multiple | 1323 |
35.45%
|
358 |
77.09%
|
|
|
|
11393 - Tri-Isomorphism | 506 |
56.72%
|
287 |
90.94%
|
|
|
|
11394 - Digit Blocks | 590 |
34.24%
|
200 |
66.00%
|
|
|
|
11395 - Sigma Function | 1427 |
52.14%
|
503 |
93.24%
|
|
|
|
11396 - Claw Decomposition | 8713 |
52.79%
|
3067 |
93.45%
|
|
|
|
11397 - Reconstructing Binary Forests | 114 |
4.39%
|
35 |
14.29%
|
|
|
|
11398 - The Base-1 Number System | 2228 |
46.68%
|
917 |
91.06%
|
|
|
|
11399 - What be thy Name, O Dear Tree? | 134 |
39.55%
|
58 |
77.59%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |