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 % | ||||
|
12100 - Printer Queue | 13324 |
64.38%
|
3558 |
94.13%
|
|
|
|
12101 - Prime Path | 1854 |
73.14%
|
844 |
95.26%
|
|
|
12102 - Lineland's Airport | 20 |
55.00%
|
14 |
71.43%
|
|
|
|
12103 - Leonardo's Notebook | 733 |
51.43%
|
288 |
92.36%
|
|
|
|
12104 - A Rod in a Path | 27 |
25.93%
|
8 |
62.50%
|
|
|
|
12105 - Bigger is Better | 2529 |
35.47%
|
375 |
84.53%
|
|
|
|
12106 - Collapse!! | 92 |
6.52%
|
12 |
33.33%
|
|
|
|
12107 - Digit Puzzle | 1194 |
44.30%
|
178 |
85.39%
|
|
|
|
12108 - Extraordinarily Tired Students | 6387 |
47.00%
|
1120 |
92.05%
|
|
|
|
12109 - Fairies' Defence | 150 |
36.00%
|
44 |
65.91%
|
|
|
|
12110 - Gargoyle | 46 |
45.65%
|
20 |
65.00%
|
|
|
|
12111 - Hidden Music Score | 45 |
37.78%
|
17 |
58.82%
|
|
|
|
12112 - Iceman | 235 |
30.64%
|
56 |
82.14%
|
|
|
|
12113 - Overlapping Squares | 1350 |
46.37%
|
214 |
91.59%
|
|
|
|
12114 - Bachelor Arithmetic | 4268 |
40.75%
|
1454 |
90.65%
|
|
|
|
12115 - Nested Squares | 370 |
63.51%
|
158 |
94.94%
|
|
|
|
12116 - The Dumb Grocer | 214 |
28.04%
|
50 |
74.00%
|
|
|
|
12117 - ACM Puzzles | 262 |
69.08%
|
124 |
95.97%
|
|
|
|
12118 - Inspector's Dilemma | 3700 |
35.16%
|
469 |
85.93%
|
|
|
|
12119 - The Bells are Ringing | 622 |
30.23%
|
113 |
83.19%
|
|
|
|
12120 - Photographic Tour | 321 |
32.09%
|
89 |
70.79%
|
|
|
|
12121 - You are around me ... | 212 |
38.21%
|
57 |
82.46%
|
|
|
|
12122 - Infinite Matrix | 16 |
68.75%
|
14 |
71.43%
|
|
|
|
12123 - Magnetic Train Tracks | 543 |
36.28%
|
109 |
79.82%
|
|
|
|
12124 - Assemble | 4505 |
45.95%
|
980 |
89.08%
|
|
|
|
12125 - March of the Penguins | 2916 |
48.32%
|
858 |
93.01%
|
|
|
|
12126 - Containers | 333 |
29.73%
|
94 |
67.02%
|
|
|
|
12127 - Youth Hostel Dorm | 33 |
36.36%
|
15 |
80.00%
|
|
|
|
12128 - Escape from Enemy Territory | 415 |
33.49%
|
116 |
76.72%
|
|
|
|
12129 - Flight Safety | 38 |
34.21%
|
22 |
50.00%
|
|
|
|
12130 - Summits | 308 |
45.45%
|
101 |
82.18%
|
|
|
|
12131 - Obfuscation | 429 |
29.84%
|
97 |
81.44%
|
|
|
|
12132 - Tower Parking | 198 |
65.15%
|
115 |
90.43%
|
|
|
|
12133 - Walk | 41 |
36.59%
|
19 |
57.89%
|
|
|
|
12134 - Find the Format String | 822 |
32.00%
|
153 |
74.51%
|
|
|
|
12135 - Switch Bulbs | 1505 |
48.04%
|
362 |
90.61%
|
|
|
|
12136 - Schedule of a Married Man | 6070 |
46.11%
|
2105 |
92.11%
|
|
|
|
12137 - Puzzles of Triangles | 330 |
53.33%
|
96 |
88.54%
|
|
|
|
12138 - Chemical Plant | 210 |
24.29%
|
51 |
66.67%
|
|
|
|
12139 - Clicking Checkboxes | 133 |
65.41%
|
55 |
83.64%
|
|
|
|
12140 - Magic Rings | 260 |
27.69%
|
47 |
65.96%
|
|
|
|
12141 - Line Chart | 398 |
27.14%
|
93 |
73.12%
|
|
|
|
12142 - Mobile Tower | 51 |
33.33%
|
19 |
63.16%
|
|
|
|
12143 - Stopping Doom's Day | 244 |
61.07%
|
109 |
89.91%
|
|
|
|
12144 - Almost Shortest Path | 3178 |
45.31%
|
762 |
87.40%
|
|
|
|
12145 - Bases | 195 |
23.08%
|
43 |
69.77%
|
|
|
|
12146 - Candy | 1090 |
57.06%
|
340 |
87.65%
|
|
|
|
12147 - DNA Sequences | 681 |
39.21%
|
195 |
78.97%
|
|
|
|
12148 - Electricity | 4523 |
45.68%
|
1711 |
89.19%
|
|
|
|
12149 - Feynman | 16175 |
76.79%
|
8536 |
98.47%
|
|
|
|
12150 - Pole Position | 5849 |
38.42%
|
1731 |
91.10%
|
|
|
|
12151 - Higgs Boson | 144 |
11.11%
|
33 |
45.45%
|
|
|
|
12152 - Traveling Shoemaker Problem | 133 |
18.80%
|
41 |
56.10%
|
|
|
|
12153 - Bora Bora | 200 |
37.50%
|
75 |
76.00%
|
|
|
|
12154 - Shrinking Polygons | 309 |
51.13%
|
111 |
79.28%
|
|
|
|
12155 - ASCII Diamondi | 508 |
67.32%
|
241 |
95.02%
|
|
|
|
12156 - Match Maker | 77 |
28.57%
|
25 |
60.00%
|
|
|
|
12157 - Tariff Plan | 13821 |
60.94%
|
7214 |
96.10%
|
|
|
|
12158 - Irreducible Fractions | 81 |
32.10%
|
32 |
68.75%
|
|
|
|
12159 - Gun Fight | 666 |
34.83%
|
209 |
84.21%
|
|
|
|
12160 - Unlock the Lock | 4269 |
69.50%
|
1817 |
97.36%
|
|
|
|
12161 - Ironman Race in Treeland | 759 |
38.47%
|
130 |
84.62%
|
|
|
|
12162 - Shooting the Monster | 83 |
12.05%
|
24 |
29.17%
|
|
|
|
12163 - Addition-Subtraction Game | 386 |
32.12%
|
55 |
90.91%
|
|
|
|
12164 - The Great Game | 120 |
10.83%
|
25 |
20.00%
|
|
|
|
12165 - Triangle Hazard | 264 |
75.00%
|
90 |
96.67%
|
|
|
|
12166 - Equilibrium Mobile | 4443 |
42.79%
|
648 |
91.98%
|
|
|
|
12167 - Proving Equivalences | 2534 |
37.77%
|
578 |
90.48%
|
|
|
|
12168 - Cat vs. Dog | 1405 |
46.83%
|
430 |
87.91%
|
|
|
|
12169 - Disgruntled Judge | 4193 |
60.29%
|
702 |
94.44%
|
|
|
|
12170 - Easy Climb | 1601 |
38.41%
|
265 |
87.55%
|
|
|
|
12171 - Sculpture | 2390 |
46.61%
|
427 |
85.71%
|
|
|
|
12172 - Matchsticks | 665 |
43.76%
|
210 |
88.57%
|
|
|
|
12173 - White Water Rafting | 150 |
50.67%
|
73 |
87.67%
|
|
|
|
12174 - Shuffle | 3005 |
42.96%
|
483 |
89.86%
|
|
|
|
12175 - Videopoker | 55 |
43.64%
|
27 |
59.26%
|
|
|
|
12176 - Bring Your Own Horse | 1150 |
36.09%
|
292 |
77.40%
|
|
|
|
12177 - First Knight | 557 |
37.52%
|
92 |
78.26%
|
|
|
|
12178 - Postal Charges | 286 |
34.62%
|
89 |
70.79%
|
|
|
|
12179 - Randomly-priced Tickets | 499 |
53.11%
|
123 |
87.80%
|
|
|
|
12180 - The Game | 46 |
56.52%
|
27 |
70.37%
|
|
|
|
12181 - The Merchant Guild | 47 |
61.70%
|
25 |
76.00%
|
|
|
|
12182 - Toll Road | 669 |
28.55%
|
152 |
76.32%
|
|
|
|
12183 - Top Secret | 1296 |
47.07%
|
81 |
77.78%
|
|
|
|
12184 - Transcribed Books | 1777 |
23.58%
|
299 |
82.94%
|
|
|
|
12185 - Wizards | 445 |
14.61%
|
62 |
72.58%
|
|
|
|
12186 - Another Crisis | 6572 |
61.20%
|
1378 |
96.66%
|
|
|
|
12187 - Brothers | 2105 |
57.72%
|
854 |
94.50%
|
|
|
|
12188 - Code Lock | 359 |
38.16%
|
93 |
61.29%
|
|
|
|
12189 - Dinner Hall | 271 |
63.47%
|
139 |
89.93%
|
|
|
|
12190 - Electric Bill | 2782 |
44.54%
|
836 |
90.19%
|
|
|
|
12191 - File Recover | 599 |
43.41%
|
187 |
81.82%
|
|
|
|
12192 - Grapevine | 7161 |
38.86%
|
1786 |
87.85%
|
|
|
|
12193 - Hooligan | 197 |
49.24%
|
74 |
83.78%
|
|
|
|
12194 - Isosceles Triangles | 736 |
40.08%
|
250 |
76.00%
|
|
|
|
12195 - Jingle Composing | 4165 |
70.92%
|
1918 |
97.24%
|
|
|
|
12196 - Klingon Levels | 219 |
61.64%
|
114 |
81.58%
|
|
|
|
12197 - Trick or Treat | 1414 |
40.81%
|
328 |
81.71%
|
|
|
|
12198 - Working at the Restaurant | 435 |
39.77%
|
144 |
85.42%
|
|
|
|
12199 - Lights | 81 |
50.62%
|
36 |
80.56%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |