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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
300 - Maya Calendar | 13510 |
35.19%
|
3561 |
82.90%
|
|
|
|
301 - Transportation | 8452 |
34.44%
|
2284 |
78.85%
|
|
|
|
302 - John's trip | 12629 |
24.08%
|
1911 |
67.09%
|
|
|
|
303 - Pipe | 1856 |
33.24%
|
517 |
78.53%
|
|
|
|
304 - Department | 1015 |
7.59%
|
235 |
19.57%
|
|
|
|
305 - Joseph | 20627 |
49.28%
|
6873 |
88.65%
|
|
|
|
306 - Cipher | 11518 |
22.30%
|
2483 |
63.31%
|
|
|
|
307 - Sticks | 31097 |
22.07%
|
5199 |
58.82%
|
|
|
|
308 - Tin Cutter | 1751 |
34.21%
|
513 |
76.02%
|
|
|
|
309 - FORCAL | 799 |
41.68%
|
311 |
76.85%
|
|
|
|
310 - L--system | 3227 |
18.93%
|
559 |
45.97%
|
|
|
|
311 - Packets | 11510 |
36.49%
|
3395 |
81.83%
|
|
|
312 - Crosswords (II) | 3022 |
20.09%
|
710 |
46.06%
|
|
|
|
313 - Intervals | 2484 |
31.44%
|
687 |
79.48%
|
|
|
|
314 - Robot | 9112 |
31.18%
|
2206 |
76.34%
|
|
|
|
315 - Network | 38254 |
43.99%
|
8589 |
89.39%
|
|
|
|
316 - Stars | 1234 |
12.40%
|
221 |
51.58%
|
|
|
|
317 - Hexagon | 808 |
31.44%
|
301 |
52.49%
|
|
|
|
318 - Domino Effect | 9822 |
28.38%
|
1809 |
78.83%
|
|
|
|
319 - Pendulum | 764 |
24.21%
|
196 |
73.47%
|
|
|
|
320 - Border | 4813 |
43.57%
|
2135 |
80.94%
|
|
|
|
321 - The New Villa | 7487 |
32.18%
|
1454 |
81.22%
|
|
|
|
322 - Ships | 740 |
17.97%
|
192 |
35.94%
|
|
|
|
323 - Jury Compromise | 6511 |
24.33%
|
1243 |
62.99%
|
|
|
|
324 - Factorial Frequencies | 17294 |
57.31%
|
7814 |
90.20%
|
|
|
|
325 - Identifying Legal Pascal Real Constants | 9107 |
32.15%
|
2177 |
79.42%
|
|
|
|
326 - Extrapolation Using a Difference Table | 3176 |
62.88%
|
1815 |
90.36%
|
|
|
|
327 - Evaluating Simple C Expressions | 7809 |
35.68%
|
1763 |
76.63%
|
|
|
|
328 - The Finite State Text Processing Machine | 909 |
28.93%
|
294 |
69.05%
|
|
|
|
329 - PostScript Emulation | 970 |
17.73%
|
233 |
22.32%
|
|
|
|
330 - Inventory Maintenance | 2553 |
11.24%
|
564 |
31.38%
|
|
|
|
331 - Mapping the Swaps | 4404 |
56.52%
|
2003 |
87.42%
|
|
|
|
332 - Rational Numbers from Repeating Fractions | 15219 |
24.18%
|
2602 |
71.87%
|
|
|
|
333 - Recognizing Good ISBNs | 21489 |
16.79%
|
3397 |
52.75%
|
|
|
|
334 - Identifying Concurrent Events | 3730 |
28.07%
|
1218 |
69.05%
|
|
|
|
335 - Processing MX Records | 1854 |
30.58%
|
430 |
76.28%
|
|
|
|
336 - A Node Too Far | 48811 |
31.29%
|
9878 |
83.82%
|
|
|
|
337 - Interpreting Control Sequences | 3868 |
58.63%
|
1677 |
91.47%
|
|
|
|
338 - Long Multiplication | 6830 |
11.41%
|
1467 |
34.15%
|
|
|
|
339 - SameGame Simulation | 2339 |
31.64%
|
795 |
61.64%
|
|
|
|
340 - Master-Mind Hints | 33893 |
44.98%
|
7798 |
90.27%
|
|
|
|
341 - Non-Stop Travel | 7912 |
51.59%
|
2923 |
91.41%
|
|
|
|
342 - HTML Syntax Checking | 1930 |
12.64%
|
300 |
37.33%
|
|
|
|
343 - What Base Is This? | 16933 |
33.62%
|
4400 |
81.80%
|
|
|
|
344 - Roman Digititis | 14541 |
60.81%
|
7684 |
92.89%
|
|
|
|
345 - It's Ir-Resist-Able! | 1950 |
28.05%
|
588 |
70.24%
|
|
|
|
346 - Getting Chorded | 2116 |
45.27%
|
748 |
72.73%
|
|
|
|
347 - Run | 6217 |
32.30%
|
2609 |
56.80%
|
|
|
|
348 - Optimal Array Multiplication Sequence | 19449 |
43.79%
|
5233 |
89.07%
|
|
|
|
349 - Transferable Voting (II) | 1624 |
38.24%
|
666 |
74.17%
|
|
|
|
350 - Pseudo-Random Numbers | 21400 |
55.00%
|
8586 |
91.04%
|
|
|
|
351 - "Cheapest" Scores | 181 |
33.15%
|
53 |
47.17%
|
|
|
|
352 - The Seasonal War | 33933 |
53.52%
|
11359 |
92.85%
|
|
|
|
353 - Pesky Palindromes | 12740 |
47.90%
|
4424 |
88.79%
|
|
|
|
354 - Crazy Calculator | 498 |
15.26%
|
104 |
33.65%
|
|
|
|
355 - The Bases Are Loaded | 19832 |
25.66%
|
4211 |
79.05%
|
|
|
|
356 - Square Pegs And Round Holes | 11167 |
32.02%
|
3310 |
64.35%
|
|
|
|
357 - Let Me Count The Ways | 61627 |
35.25%
|
14657 |
82.61%
|
|
|
|
358 - Don't Have A Cow | 3648 |
38.43%
|
613 |
54.49%
|
|
|
|
359 - Sex Assignments And Breeding Experiments | 1170 |
17.01%
|
145 |
51.72%
|
|
|
|
360 - Don't Get Hives From This One! | 148 |
64.19%
|
50 |
58.00%
|
|
|
|
361 - Cops and Robbers | 8659 |
11.61%
|
1093 |
42.82%
|
|
|
|
362 - 18,000 Seconds Remaining | 9019 |
24.28%
|
1889 |
75.17%
|
|
|
|
363 - Approximate Matches | 115 |
46.09%
|
54 |
55.56%
|
|
|
|
364 - Constitutional Computing | 275 |
11.64%
|
50 |
26.00%
|
|
|
|
365 - Welfare Reform | 1014 |
14.20%
|
187 |
48.13%
|
|
|
|
366 - Cutting Up | 802 |
37.78%
|
356 |
63.76%
|
|
|
|
367 - Halting Factor Replacement Systems | 670 |
19.40%
|
165 |
44.85%
|
|
|
|
368 - Indexing Web Pages | 156 |
20.51%
|
56 |
46.43%
|
|
|
|
369 - Combinations | 50719 |
45.02%
|
16402 |
90.08%
|
|
|
|
370 - Bingo | 924 |
17.86%
|
204 |
50.00%
|
|
|
|
371 - Ackermann Functions | 55678 |
25.01%
|
10082 |
77.81%
|
|
|
|
372 - WhatFix Notation | 397 |
45.59%
|
182 |
62.09%
|
|
|
|
373 - Romulan Spelling | 1593 |
32.08%
|
322 |
52.80%
|
|
|
|
374 - Big Mod | 74419 |
47.45%
|
22880 |
89.51%
|
|
|
|
375 - Inscribed Circles and Isosceles Triangles | 6627 |
30.71%
|
1445 |
77.85%
|
|
|
|
376 - More Triangles ... THE AMBIGUOUS CASE | 1482 |
14.04%
|
291 |
42.96%
|
|
|
|
377 - Cowculations | 3343 |
60.57%
|
1900 |
90.11%
|
|
|
|
378 - Intersecting Lines | 20758 |
42.09%
|
5654 |
84.67%
|
|
|
|
379 - Hi-Q | 1391 |
65.42%
|
897 |
87.96%
|
|
|
|
380 - Call Forwarding | 3400 |
47.59%
|
1250 |
87.12%
|
|
|
|
381 - Making the Grade | 1509 |
54.34%
|
860 |
80.70%
|
|
|
|
382 - Perfection | 69943 |
35.09%
|
20410 |
86.51%
|
|
|
|
383 - Shipping Routes | 9800 |
39.21%
|
3545 |
82.17%
|
|
|
|
384 - Slurpys | 6322 |
47.96%
|
2052 |
83.87%
|
|
|
|
385 - DNA Translation | 1693 |
34.38%
|
518 |
72.20%
|
|
|
|
386 - Perfect Cubes | 19012 |
48.61%
|
7033 |
88.40%
|
|
|
|
387 - A Puzzling Problem | 2888 |
30.06%
|
732 |
61.07%
|
|
|
|
388 - Galactic Import | 1604 |
60.85%
|
878 |
87.81%
|
|
|
|
389 - Basically Speaking | 26739 |
29.32%
|
6252 |
77.16%
|
|
|
|
390 - Letter Sequence Analysis | 1014 |
25.84%
|
408 |
48.53%
|
|
|
|
391 - Mark-up | 4742 |
29.88%
|
1180 |
75.59%
|
|
|
|
392 - Polynomial Showdown | 20525 |
30.14%
|
5854 |
76.19%
|
|
|
|
393 - The Doors | 1924 |
44.23%
|
786 |
83.21%
|
|
|
|
394 - Mapmaker | 6809 |
59.33%
|
3438 |
93.11%
|
|
|
|
395 - Board Silly | 1191 |
30.06%
|
565 |
56.99%
|
|
|
|
396 - Top Dog | 586 |
18.09%
|
177 |
25.99%
|
|
|
|
397 - Equation Elation | 3389 |
47.54%
|
1202 |
86.86%
|
|
|
|
398 - 18-Wheeler Caravans (aka Semigroups) | 1018 |
14.15%
|
410 |
29.76%
|
|
|
|
399 - Another Puzzling Problem | 1133 |
29.83%
|
452 |
51.99%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |