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 | 14721 |
46.17%
|
3257 |
90.54%
|
|
|
|
11301 - Great Wall of China | 881 |
47.33%
|
316 |
87.34%
|
|
|
|
11302 - Hexadecimal Digits of an Integral | 124 |
41.13%
|
40 |
55.00%
|
|
|
|
11303 - Permutations | 393 |
28.50%
|
94 |
71.28%
|
|
|
|
11304 - Difussing Nuclear Bombs on Planet X | 79 |
1.27%
|
40 |
2.50%
|
|
|
|
11305 - Chess on Planet X | 49 |
20.41%
|
24 |
33.33%
|
|
|
|
11306 - Optimal Marriage on Planet X | 247 |
1.21%
|
31 |
9.68%
|
|
|
|
11307 - Alternative Arborescence | 2841 |
33.93%
|
656 |
80.34%
|
|
|
|
11308 - Bankrupt Baker | 5720 |
40.59%
|
1659 |
91.68%
|
|
|
|
11309 - Counting Chaos | 4137 |
48.34%
|
1602 |
93.01%
|
|
|
|
11310 - Delivery Debacle | 3719 |
52.92%
|
1666 |
94.60%
|
|
|
|
11311 - Exclusively Edible | 2456 |
52.57%
|
840 |
90.60%
|
|
|
|
11312 - Flipping Frustration | 2229 |
19.43%
|
364 |
40.11%
|
|
|
|
11313 - Gourmet Games | 3394 |
66.82%
|
1814 |
96.25%
|
|
|
|
11314 - Hardly Hard | 799 |
56.45%
|
320 |
91.88%
|
|
|
|
11315 - Attacker | 273 |
9.89%
|
56 |
25.00%
|
|
|
|
11316 - Prime Frog | 353 |
31.16%
|
66 |
68.18%
|
|
|
|
11317 - GCD+LCM | 734 |
41.55%
|
189 |
82.54%
|
|
|
|
11318 - Marble Game | 212 |
33.49%
|
71 |
59.15%
|
|
|
|
11319 - Stupid Sequence | 2434 |
24.90%
|
383 |
78.07%
|
|
|
11320 - Hidden Triangles | 214 |
39.25%
|
72 |
73.61%
|
|
|
|
11321 - Sort! Sort!! and Sort!!! | 29336 |
27.26%
|
4803 |
81.74%
|
|
|
|
11322 - Romeo and Juliet | 253 |
16.60%
|
130 |
25.38%
|
|
|
|
11323 - Satisfying Constraints | 519 |
24.28%
|
118 |
67.80%
|
|
|
|
11324 - The Largest Clique | 8497 |
38.39%
|
1336 |
86.75%
|
|
|
|
11325 - This Means War! | 278 |
16.55%
|
83 |
49.40%
|
|
|
|
11326 - Laser Pointer | 1629 |
51.14%
|
532 |
91.54%
|
|
|
|
11327 - Enumerating Rational Numbers | 4145 |
61.54%
|
1678 |
92.61%
|
|
|
|
11328 - Drawing Straws at the Office | 185 |
38.38%
|
69 |
68.12%
|
|
|
|
11329 - Curious Fleas | 4837 |
90.86%
|
234 |
82.48%
|
|
|
|
11330 - Andy's Shoes | 2025 |
40.10%
|
504 |
83.93%
|
|
|
|
11331 - The Joys of Farming | 2972 |
29.48%
|
524 |
73.09%
|
|
|
|
11332 - Summing Digits | 68216 |
59.30%
|
26009 |
96.14%
|
|
|
|
11333 - Alphametics | 343 |
17.49%
|
81 |
44.44%
|
|
|
|
11334 - Antenna in the Cinoc Mountains | 438 |
11.19%
|
71 |
38.03%
|
|
|
|
11335 - Discrete Pursuit | 857 |
48.42%
|
286 |
90.56%
|
|
|
|
11336 - DRM | 391 |
33.76%
|
138 |
73.19%
|
|
|
|
11337 - Greatest Hits! | 357 |
20.45%
|
79 |
63.29%
|
|
|
|
11338 - Minefield | 1499 |
38.16%
|
448 |
80.13%
|
|
|
|
11339 - Sonnet Rhyme Verifier | 355 |
29.86%
|
105 |
73.33%
|
|
|
|
11340 - Newspaper | 58351 |
27.56%
|
11527 |
84.66%
|
|
|
|
11341 - Term Strategy | 5476 |
27.06%
|
981 |
85.63%
|
|
|
|
11342 - Three-square | 9872 |
32.30%
|
2412 |
82.13%
|
|
|
|
11343 - Isolated Segments | 3646 |
52.08%
|
1048 |
92.37%
|
|
|
|
11344 - The Huge One | 5133 |
47.96%
|
1898 |
91.68%
|
|
|
|
11345 - Rectangles | 3189 |
35.53%
|
869 |
86.54%
|
|
|
|
11346 - Probability | 2992 |
50.37%
|
808 |
91.58%
|
|
|
|
11347 - Multifactorials | 2564 |
49.45%
|
707 |
92.50%
|
|
|
|
11348 - Exhibition | 4539 |
35.03%
|
1109 |
86.74%
|
|
|
|
11349 - Symmetric Matrix | 35966 |
26.27%
|
5584 |
85.80%
|
|
|
|
11350 - Stern-Brocot Tree | 4056 |
52.44%
|
1432 |
93.58%
|
|
|
|
11351 - Last Man Standing | 2739 |
57.87%
|
1036 |
89.48%
|
|
|
|
11352 - Crazy King | 5434 |
42.45%
|
1817 |
91.74%
|
|
|
|
11353 - A Different Kind of Sorting | 2913 |
53.72%
|
969 |
88.96%
|
|
|
|
11354 - Bond | 9387 |
29.60%
|
1184 |
77.79%
|
|
|
|
11355 - Cool Points | 794 |
24.69%
|
183 |
77.05%
|
|
|
|
11356 - Dates | 3157 |
48.46%
|
1049 |
93.52%
|
|
|
|
11357 - Ensuring Truth | 848 |
57.43%
|
410 |
92.68%
|
|
|
|
11358 - Faster Processing Feasibility | 418 |
39.00%
|
130 |
79.23%
|
|
|
|
11359 - Guards, Imbecile Guards | 431 |
29.93%
|
131 |
75.57%
|
|
|
|
11360 - Have Fun with Matrices | 9127 |
41.95%
|
2608 |
92.71%
|
|
|
|
11361 - Investigating Div-Sum Property | 3750 |
46.11%
|
737 |
81.55%
|
|
|
|
11362 - Phone List | 23984 |
40.22%
|
5783 |
88.90%
|
|
|
|
11363 - Cuckoo Hashing | 587 |
24.87%
|
225 |
47.11%
|
|
|
|
11364 - Parking | 35106 |
69.42%
|
17590 |
96.36%
|
|
|
|
11365 - Copying DNA | 291 |
39.18%
|
90 |
51.11%
|
|
|
|
11366 - Circle of Debt | 135 |
52.59%
|
62 |
74.19%
|
|
|
|
11367 - Full Tank? | 8686 |
43.46%
|
2107 |
89.51%
|
|
|
|
11368 - Nested Dolls | 4226 |
31.09%
|
1075 |
71.26%
|
|
|
|
11369 - Shopaholic | 12546 |
54.90%
|
4592 |
93.75%
|
|
|
|
11370 - Moogle | 349 |
55.01%
|
190 |
77.37%
|
|
|
|
11371 - Number Theory for Newbies | 9478 |
31.11%
|
2745 |
83.10%
|
|
|
|
11372 - Arranging a Contest | 720 |
22.22%
|
172 |
60.47%
|
|
|
|
11373 - Happy Birthday | 383 |
30.55%
|
131 |
66.41%
|
|
|
|
11374 - Airport Express | 15494 |
20.53%
|
1053 |
79.20%
|
|
|
|
11375 - Matches | 2917 |
35.62%
|
620 |
83.71%
|
|
|
|
11376 - Tilt! | 373 |
27.88%
|
60 |
66.67%
|
|
|
|
11377 - Airport Setup | 4707 |
28.19%
|
962 |
85.97%
|
|
|
|
11378 - Bey Battle | 2905 |
36.90%
|
585 |
84.27%
|
|
|
|
11379 - Chichi's Home Work | 174 |
58.62%
|
90 |
81.11%
|
|
|
|
11380 - Down Went The Titanic | 4709 |
42.47%
|
939 |
90.31%
|
|
|
|
11381 - Elegant Strings | 697 |
32.57%
|
147 |
84.35%
|
|
|
|
11382 - Fear of The Dark | 271 |
30.26%
|
66 |
66.67%
|
|
|
|
11383 - Golden Tiger Claw | 3179 |
44.89%
|
452 |
90.93%
|
|
|
|
11384 - Help is needed for Dexter | 8406 |
67.88%
|
2308 |
96.23%
|
|
|
|
11385 - Da Vinci Code | 9745 |
31.02%
|
2579 |
84.76%
|
|
|
|
11386 - Triples | 3696 |
21.73%
|
604 |
61.75%
|
|
|
|
11387 - The 3-Regular Graph | 2245 |
51.09%
|
802 |
95.14%
|
|
|
|
11388 - GCD LCM | 30441 |
57.80%
|
8600 |
95.56%
|
|
|
|
11389 - The Bus Driver Problem | 20954 |
49.90%
|
5992 |
92.72%
|
|
|
|
11390 - The Sultan's Feast | 484 |
24.79%
|
106 |
66.98%
|
|
|
|
11391 - Blobs in the Board | 2218 |
36.47%
|
530 |
90.38%
|
|
|
|
11392 - Binary*3 Type Multiple | 1306 |
35.30%
|
352 |
77.27%
|
|
|
|
11393 - Tri-Isomorphism | 502 |
56.97%
|
286 |
91.26%
|
|
|
|
11394 - Digit Blocks | 586 |
33.96%
|
198 |
66.16%
|
|
|
|
11395 - Sigma Function | 1415 |
51.94%
|
496 |
93.55%
|
|
|
|
11396 - Claw Decomposition | 8602 |
52.62%
|
3051 |
93.44%
|
|
|
|
11397 - Reconstructing Binary Forests | 93 |
4.30%
|
29 |
13.79%
|
|
|
|
11398 - The Base-1 Number System | 2221 |
46.69%
|
915 |
91.15%
|
|
|
|
11399 - What be thy Name, O Dear Tree? | 123 |
38.21%
|
52 |
76.92%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |