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
Browse Problems
Title | Total Submissions / Solving % | Total Users / Solving % | ||||
![]() |
10600 - ACM Contest and Blackout | 20002 |
42.91%
|
4659 |
91.50%
|
|
![]() |
10601 - Cubes | 1503 |
64.87%
|
513 |
91.62%
|
|
![]() |
10602 - Editor Nottoobad | 4055 |
47.40%
|
1395 |
90.47%
|
|
![]() |
10603 - Fill | 14607 |
34.35%
|
2684 |
64.75%
|
|
![]() |
10604 - Chemical Reaction | 3757 |
30.24%
|
682 |
79.91%
|
|
![]() |
10605 - Mines For Diamonds | 1035 |
33.62%
|
214 |
64.49%
|
|
![]() |
10606 - Opening Doors | 2584 |
27.32%
|
559 |
66.37%
|
|
![]() |
10607 - Siege | 1246 |
13.56%
|
202 |
55.45%
|
|
![]() |
10608 - Friends | 41765 |
43.50%
|
10236 |
77.62%
|
|
![]() |
10609 - Fractal | 1439 |
37.32%
|
338 |
81.07%
|
|
![]() |
10610 - Gopher and Hawks | 4263 |
39.39%
|
1270 |
88.82%
|
|
![]() |
10611 - The Playboy Chimp | 41715 |
44.03%
|
10212 |
88.65%
|
|
![]() |
10612 - Paper Folding | 256 |
39.45%
|
105 |
71.43%
|
|
![]() |
10613 - Mushroom Misery | 710 |
27.18%
|
163 |
71.17%
|
|
![]() |
10614 - Dreadful Vectors | 645 |
20.78%
|
149 |
71.14%
|
|
![]() |
10615 - Rooks | 2723 |
23.69%
|
502 |
58.96%
|
|
![]() |
10616 - Divisible Group Sums | 16012 |
37.12%
|
3894 |
90.45%
|
|
![]() |
10617 - Again Palindrome | 7998 |
47.64%
|
2143 |
93.00%
|
|
![]() |
10618 - Tango Tango Insurrection | 2239 |
37.61%
|
392 |
77.81%
|
|
![]() |
10619 - Advanced Causal Measurements | 936 |
36.11%
|
229 |
80.35%
|
|
![]() |
10620 - A Flea on a Chessboard | 3155 |
40.19%
|
864 |
85.42%
|
|
![]() |
10621 - Jack and Jill | 985 |
25.79%
|
220 |
70.45%
|
|
![]() |
10622 - Perfect P-th Powers | 21005 |
25.05%
|
3733 |
79.35%
|
|
![]() |
10623 - Thinking Backward | 959 |
34.20%
|
230 |
81.74%
|
|
![]() |
10624 - Super Number | 2808 |
37.14%
|
746 |
81.77%
|
|
![]() |
10625 - GNU = GNU'sNotUnix | 3085 |
38.77%
|
810 |
87.90%
|
|
![]() |
10626 - Buying Coke | 8022 |
30.10%
|
1423 |
77.65%
|
|
![]() |
10627 - Infinite Race | 1945 |
17.69%
|
354 |
48.31%
|
|
![]() |
10628 - Quadrills | 165 |
29.09%
|
73 |
49.32%
|
|
![]() |
10629 - Truckin' | 431 |
19.03%
|
62 |
41.94%
|
|
![]() |
10630 - Millennium Ceremony | 591 |
20.14%
|
45 |
42.22%
|
|
![]() |
10631 - Normals | 934 |
22.91%
|
112 |
68.75%
|
|
![]() |
10632 - Pyramid | 425 |
32.24%
|
124 |
79.03%
|
|
![]() |
10633 - Rare Easy Problem | 11718 |
40.07%
|
3831 |
87.47%
|
|
![]() |
10634 - Say NO to Memorization | 1338 |
42.38%
|
452 |
88.50%
|
|
![]() |
10635 - Prince and Princess | 17971 |
36.71%
|
3440 |
81.60%
|
|
![]() |
10636 - Stretching Geometry | 562 |
6.23%
|
90 |
20.00%
|
|
![]() |
10637 - Coprimes | 3285 |
44.90%
|
954 |
89.83%
|
|
![]() |
10638 - The Trip II | 578 |
17.13%
|
145 |
51.72%
|
|
![]() |
10639 - Square Puzzle | 254 |
16.54%
|
63 |
47.62%
|
|
![]() |
10640 - Planes around the World | 569 |
41.30%
|
159 |
81.13%
|
|
![]() |
10641 - Barisal Stadium | 1159 |
35.98%
|
200 |
81.00%
|
|
![]() |
10642 - Can You Solve It? | 11396 |
53.52%
|
3986 |
93.55%
|
|
![]() |
10643 - Facing Problem With Trees | 642 |
54.05%
|
279 |
89.61%
|
|
![]() |
10644 - Floor Tiles | 976 |
24.69%
|
342 |
50.29%
|
|
![]() |
10645 - Menu | 1241 |
43.19%
|
316 |
81.96%
|
|
![]() |
10646 - What is the Card? | 7948 |
58.79%
|
3729 |
94.37%
|
|
![]() |
10647 - Optimal House Placement | 600 |
30.67%
|
164 |
76.22%
|
|
![]() |
10648 - Chocolate Box | 1079 |
53.66%
|
421 |
83.14%
|
|
![]() |
10649 - Danger Point | 977 |
33.06%
|
317 |
82.97%
|
|
![]() |
10650 - Determinate Prime | 11551 |
21.73%
|
2027 |
74.40%
|
|
![]() |
10651 - Pebble Solitaire | 6329 |
71.83%
|
2925 |
96.21%
|
|
![]() |
10652 - Board Wrapping | 4215 |
51.08%
|
1000 |
91.80%
|
|
![]() |
10653 - Bombs! NO they are Mines!! | 21823 |
41.90%
|
5552 |
91.66%
|
|
![]() |
10654 - The Uxuhul Voting System | 424 |
50.94%
|
216 |
79.17%
|
|
![]() |
10655 - Contemplation! Algebra | 10817 |
20.98%
|
1449 |
58.87%
|
|
![]() |
10656 - Maximum Sum (II) | 18270 |
34.89%
|
5249 |
85.46%
|
|
![]() |
10657 - Prince Frog II | 205 |
12.68%
|
35 |
22.86%
|
|
![]() |
10658 - ReArrange | 484 |
52.89%
|
236 |
88.98%
|
|
![]() |
10659 - Fitting Text into Slides | 1183 |
39.05%
|
369 |
89.70%
|
|
![]() |
10660 - Citizen attention offices | 3082 |
65.31%
|
1650 |
95.45%
|
|
![]() |
10661 - The Perspectographer | 894 |
21.03%
|
229 |
56.77%
|
|
![]() |
10662 - The Wedding | 2394 |
57.44%
|
1176 |
88.86%
|
|
![]() |
10663 - Non-Powerful Subsets | 1426 |
29.45%
|
253 |
67.59%
|
|
![]() |
10664 - Luggage | 15951 |
56.70%
|
5434 |
94.53%
|
|
![]() |
10665 - Diatribe against Pigeonholes | 495 |
49.90%
|
251 |
76.49%
|
|
![]() |
10666 - The Eurocup is Here! | 1514 |
55.75%
|
586 |
92.49%
|
|
![]() |
10667 - Largest Block | 4514 |
66.24%
|
2296 |
96.25%
|
|
![]() |
10668 - Expanding Rods | 4350 |
25.47%
|
843 |
81.38%
|
|
![]() |
10669 - Three powers | 2037 |
55.67%
|
975 |
89.74%
|
|
![]() |
10670 - Work Reduction | 6005 |
40.73%
|
1807 |
89.10%
|
|
![]() |
10671 - Grid Speed | 375 |
29.07%
|
103 |
64.08%
|
|
![]() |
10672 - Marbles on a tree | 2692 |
56.58%
|
1048 |
93.13%
|
|
![]() |
10673 - Play with Floor and Ceil | 12587 |
48.41%
|
3884 |
88.93%
|
|
![]() |
10674 - Tangents | 2300 |
24.35%
|
225 |
79.11%
|
|
![]() |
10675 - Revenge of Faucet Flow | 344 |
17.73%
|
97 |
48.45%
|
|
![]() |
10676 - Grid Points | 371 |
21.02%
|
99 |
59.60%
|
|
![]() |
10677 - Base Equality | 1197 |
70.76%
|
719 |
93.05%
|
|
![]() |
10678 - The Grazing Cow | 6668 |
69.89%
|
3414 |
97.07%
|
|
![]() |
10679 - I Love Strings!! | 31583 |
33.09%
|
6184 |
68.18%
|
|
![]() |
10680 - LCM | 7922 |
39.28%
|
2219 |
80.22%
|
|
![]() |
10681 - Teobaldo's Trip | 3223 |
37.95%
|
1071 |
86.93%
|
|
![]() |
10682 - Forr | 1524 |
20.41%
|
287 |
64.11%
|
|
![]() |
10683 - The decadary watch | 5463 |
53.32%
|
2237 |
93.29%
|
|
![]() |
10684 - The jackpot | 36176 |
49.47%
|
11436 |
94.21%
|
|
![]() |
10685 - Nature | 15659 |
42.63%
|
3704 |
91.23%
|
|
![]() |
10686 - SQF Problems | 3076 |
26.17%
|
688 |
75.00%
|
|
![]() |
10687 - Monitoring the Amazon | 2550 |
54.82%
|
925 |
88.54%
|
|
![]() |
10688 - The Poor Giant | 2118 |
59.68%
|
770 |
91.56%
|
|
![]() |
10689 - Yet another Number Sequence | 8233 |
40.11%
|
2233 |
81.19%
|
|
![]() |
10690 - Expression Again | 4087 |
27.45%
|
790 |
75.19%
|
|
![]() |
10691 - Subway | 896 |
21.76%
|
156 |
57.69%
|
|
![]() |
10692 - Huge Mods | 4241 |
29.19%
|
706 |
63.31%
|
|
![]() |
10693 - Traffic Volume | 2718 |
72.22%
|
1744 |
95.87%
|
|
![]() |
10694 - Combinatorial Summation | 918 |
35.19%
|
266 |
82.33%
|
|
![]() |
10695 - Find the Point | 679 |
22.24%
|
101 |
57.43%
|
|
![]() |
10696 - f91 | 59150 |
52.37%
|
20623 |
95.00%
|
|
![]() |
10697 - Firemen barracks | 1712 |
14.72%
|
298 |
59.06%
|
|
![]() |
10698 - Football Sort | 4041 |
22.74%
|
880 |
72.61%
|
|
![]() |
10699 - Count the factors | 21198 |
65.43%
|
8385 |
96.17%
|
<< Start < Prev 1 Next > End >> | ||
Display # | Results 1 - 100 of 100 |