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 % | ||||
|
11500 - Vampires | 2295 |
52.37%
|
650 |
87.08%
|
|
|
|
11501 - Laurel Creek | 267 |
37.83%
|
106 |
77.36%
|
|
|
|
11502 - Rocket Stages | 676 |
23.08%
|
152 |
64.47%
|
|
|
|
11503 - Virtual Friends | 29195 |
42.51%
|
7142 |
89.69%
|
|
|
|
11504 - Dominos | 25755 |
31.61%
|
5543 |
80.01%
|
|
|
|
11505 - Logo | 4413 |
36.89%
|
1134 |
88.54%
|
|
|
|
11506 - Angry Programmer | 8272 |
37.58%
|
1910 |
88.22%
|
|
|
|
11507 - Bender B. Rodríguez Problem | 10249 |
55.34%
|
4766 |
93.81%
|
|
|
11508 - Life on Mars? | 1076 |
56.13%
|
413 |
93.46%
|
|
|
|
11509 - Touring Robot | 517 |
36.17%
|
214 |
68.22%
|
|
|
|
11510 - Erdös Unit Fractions | 349 |
48.42%
|
132 |
78.03%
|
|
|
|
11511 - Frieze Patterns | 722 |
41.55%
|
212 |
85.38%
|
|
|
|
11512 - GATTACA | 9685 |
45.84%
|
2486 |
85.68%
|
|
|
|
11513 - 9 Puzzle | 3699 |
40.96%
|
752 |
86.70%
|
|
|
|
11514 - Batman | 1611 |
31.35%
|
431 |
81.44%
|
|
|
|
11515 - Cranes | 1302 |
43.63%
|
507 |
92.70%
|
|
|
|
11516 - WiFi | 6910 |
36.83%
|
1366 |
88.73%
|
|
|
|
11517 - Exact Change | 18039 |
36.99%
|
4069 |
87.98%
|
|
|
|
11518 - Dominos 2 | 16395 |
41.86%
|
4000 |
92.05%
|
|
|
|
11519 - Logo 2 | 1453 |
31.87%
|
385 |
86.23%
|
|
|
|
11520 - Fill the Square | 7394 |
63.01%
|
2562 |
96.99%
|
|
|
|
11521 - Compressor | 509 |
21.02%
|
81 |
55.56%
|
|
|
|
11522 - Pyramid Number | 347 |
60.52%
|
163 |
94.48%
|
|
|
|
11523 - Recycling | 1352 |
40.98%
|
305 |
77.38%
|
|
|
|
11524 - InCircle | 1228 |
75.90%
|
467 |
94.00%
|
|
|
|
11525 - Permutation | 4526 |
53.14%
|
1240 |
90.97%
|
|
|
|
11526 - H(n) | 21409 |
38.00%
|
5479 |
77.17%
|
|
|
|
11527 - Morning Walk | 255 |
7.45%
|
65 |
21.54%
|
|
|
|
11528 - Switch Grid | 249 |
32.53%
|
82 |
73.17%
|
|
|
|
11529 - Strange Tax Calculation | 702 |
44.44%
|
144 |
83.33%
|
|
|
|
11530 - SMS Typing | 24606 |
48.57%
|
9097 |
94.72%
|
|
|
|
11531 - Solve the Broken Maze | 440 |
12.95%
|
110 |
35.45%
|
|
|
|
11532 - Simple Adjacency Maximization | 2149 |
41.69%
|
710 |
88.31%
|
|
|
|
11533 - Special Number | 881 |
22.02%
|
160 |
70.62%
|
|
|
|
11534 - Say Goodbye to Tic-Tac-Toe | 1145 |
40.00%
|
330 |
86.36%
|
|
|
|
11535 - Set of Marbles | 664 |
50.15%
|
241 |
91.29%
|
|
|
|
11536 - Smallest Sub-Array | 7494 |
42.94%
|
1697 |
88.69%
|
|
|
|
11537 - Secret Problemsetters' Union | 525 |
16.19%
|
97 |
63.92%
|
|
|
|
11538 - Chess Queen | 8044 |
59.20%
|
1971 |
94.77%
|
|
|
|
11539 - Another Word Game | 1085 |
33.27%
|
246 |
76.83%
|
|
|
|
11540 - Sultan's Chandelier | 347 |
29.97%
|
78 |
74.36%
|
|
|
|
11541 - Decoding | 11836 |
58.92%
|
5264 |
95.50%
|
|
|
|
11542 - Square | 3564 |
39.25%
|
573 |
88.66%
|
|
|
|
11543 - Two Points And Curious MumboJumbo | 113 |
48.67%
|
44 |
68.18%
|
|
|
|
11544 - Recruiter's Problem | 900 |
17.22%
|
135 |
63.70%
|
|
|
|
11545 - Avoiding Jungle in the Dark | 1238 |
36.35%
|
380 |
85.00%
|
|
|
|
11546 - Olympic Swimming | 356 |
43.82%
|
106 |
73.58%
|
|
|
|
11547 - Automatic Answer | 55525 |
67.74%
|
26564 |
97.56%
|
|
|
|
11548 - Blackboard Bonanza | 1610 |
41.43%
|
523 |
85.28%
|
|
|
|
11549 - Calculator Conundrum | 11129 |
44.39%
|
2226 |
84.77%
|
|
|
|
11550 - Demanding Dilemma | 7097 |
34.38%
|
1570 |
86.43%
|
|
|
|
11551 - Experienced Endeavour | 1083 |
57.43%
|
272 |
90.44%
|
|
|
|
11552 - Fewest Flops | 4393 |
41.13%
|
849 |
85.04%
|
|
|
|
11553 - Grid Game | 3936 |
58.46%
|
1885 |
94.54%
|
|
|
|
11554 - Hapless Hedonism | 1815 |
58.62%
|
899 |
92.44%
|
|
|
|
11555 - Aspen Avenue | 764 |
38.74%
|
235 |
76.60%
|
|
|
|
11556 - Best Compression Ever | 1511 |
55.39%
|
669 |
93.42%
|
|
|
|
11557 - Code Theft | 530 |
22.83%
|
121 |
58.68%
|
|
|
|
11558 - Dinner | 271 |
25.83%
|
88 |
43.18%
|
|
|
|
11559 - Event Planning | 47490 |
40.61%
|
16215 |
90.64%
|
|
|
|
11560 - Fixing the Bugs | 670 |
21.34%
|
112 |
57.14%
|
|
|
|
11561 - Getting Gold | 5074 |
58.93%
|
1725 |
94.09%
|
|
|
|
11562 - Hard Evidence | 746 |
14.34%
|
90 |
55.56%
|
|
|
|
11563 - Introspective Caching | 754 |
30.24%
|
195 |
75.90%
|
|
|
|
11564 - Just A Few More Triangles! | 300 |
32.00%
|
77 |
54.55%
|
|
|
|
11565 - Simple Equations | 20598 |
36.23%
|
4533 |
90.69%
|
|
|
|
11566 - Let's Yum Cha! | 6375 |
30.05%
|
1084 |
88.47%
|
|
|
|
11567 - Moliu Number Generator | 4028 |
35.33%
|
1272 |
84.75%
|
|
|
|
11568 - Pincer Attack!! | 321 |
23.36%
|
62 |
70.97%
|
|
|
|
11569 - Lovely Hint | 962 |
46.88%
|
377 |
91.51%
|
|
|
|
11570 - Sudoku without numbers? | 135 |
51.11%
|
70 |
68.57%
|
|
|
|
11571 - Simple Equations - Extreme!! | 2313 |
9.68%
|
376 |
29.52%
|
|
|
|
11572 - Unique Snowflakes | 42843 |
36.48%
|
7902 |
82.87%
|
|
|
|
11573 - Ocean Currents | 4175 |
40.79%
|
886 |
87.70%
|
|
|
|
11574 - Colliding Traffic | 1031 |
32.98%
|
244 |
74.18%
|
|
|
|
11575 - Zerg Rush!!! | 258 |
17.05%
|
63 |
52.38%
|
|
|
|
11576 - Scrolling Sign | 3417 |
55.34%
|
1323 |
92.14%
|
|
|
|
11577 - Letter Frequency | 12059 |
51.67%
|
4389 |
94.65%
|
|
|
|
11578 - Situp Benches | 660 |
30.76%
|
155 |
70.97%
|
|
|
|
11579 - Triangle Trouble | 4233 |
37.89%
|
886 |
87.47%
|
|
|
|
11580 - Finding the Transmitter | 143 |
7.69%
|
24 |
37.50%
|
|
|
|
11581 - Grid Successors | 4292 |
74.23%
|
2575 |
97.86%
|
|
|
|
11582 - Colossal Fibonacci Numbers! | 16362 |
32.53%
|
1705 |
88.04%
|
|
|
|
11583 - Alien DNA | 959 |
55.68%
|
328 |
85.37%
|
|
|
|
11584 - Partitioning by Palindromes | 12898 |
59.94%
|
2551 |
92.67%
|
|
|
|
11585 - Nurikabe | 1249 |
24.82%
|
245 |
71.84%
|
|
|
|
11586 - Train Tracks | 12756 |
43.04%
|
4638 |
92.09%
|
|
|
|
11587 - Brick Game | 884 |
19.57%
|
193 |
61.14%
|
|
|
|
11588 - Image Coding | 5193 |
55.57%
|
2306 |
95.92%
|
|
|
|
11589 - Save the President | 152 |
49.34%
|
58 |
70.69%
|
|
|
|
11590 - Prefix Lookup | 1419 |
24.67%
|
292 |
74.66%
|
|
|
|
11591 - Bulb Inside a Grid | 274 |
40.88%
|
98 |
78.57%
|
|
|
|
11592 - Bulb inside a Grid (II) | 200 |
43.50%
|
62 |
74.19%
|
|
|
|
11593 - Fractions | 182 |
48.90%
|
90 |
70.00%
|
|
|
|
11594 - All Pairs Maximum Flow | 1432 |
36.73%
|
354 |
79.94%
|
|
|
|
11595 - Crossing Streets EXTREME | 289 |
20.76%
|
56 |
67.86%
|
|
|
|
11596 - Convex Orthogonal Polygon | 802 |
16.33%
|
121 |
66.12%
|
|
|
|
11597 - Spanning Subtree | 4084 |
74.68%
|
2365 |
98.39%
|
|
|
|
11598 - Optimal Segments | 540 |
24.44%
|
124 |
63.71%
|
|
|
|
11599 - Triangle and Polynomial | 243 |
27.57%
|
122 |
42.62%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |