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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
300 - Maya Calendar | 13424 |
34.97%
|
3540 |
82.88%
|
|
|
|
301 - Transportation | 8382 |
34.37%
|
2272 |
78.83%
|
|
|
|
302 - John's trip | 12529 |
24.01%
|
1894 |
66.90%
|
|
|
|
303 - Pipe | 1848 |
33.12%
|
513 |
78.56%
|
|
|
|
304 - Department | 833 |
8.16%
|
214 |
18.69%
|
|
|
|
305 - Joseph | 19861 |
49.25%
|
6835 |
88.69%
|
|
|
|
306 - Cipher | 11487 |
22.23%
|
2475 |
63.27%
|
|
|
|
307 - Sticks | 30650 |
21.88%
|
5141 |
58.59%
|
|
|
|
308 - Tin Cutter | 1727 |
34.28%
|
506 |
75.89%
|
|
|
|
309 - FORCAL | 785 |
41.66%
|
302 |
77.48%
|
|
|
|
310 - L--system | 3205 |
18.60%
|
550 |
45.45%
|
|
|
|
311 - Packets | 11432 |
36.35%
|
3377 |
81.76%
|
|
|
312 - Crosswords (II) | 3010 |
19.90%
|
706 |
45.89%
|
|
|
|
313 - Intervals | 2465 |
31.56%
|
682 |
79.62%
|
|
|
|
314 - Robot | 8918 |
30.94%
|
2187 |
76.22%
|
|
|
|
315 - Network | 37258 |
43.43%
|
8459 |
89.32%
|
|
|
|
316 - Stars | 1226 |
12.15%
|
216 |
51.39%
|
|
|
|
317 - Hexagon | 799 |
31.54%
|
298 |
52.68%
|
|
|
|
318 - Domino Effect | 9792 |
28.33%
|
1803 |
78.87%
|
|
|
|
319 - Pendulum | 753 |
24.44%
|
193 |
74.09%
|
|
|
|
320 - Border | 4775 |
43.56%
|
2126 |
81.04%
|
|
|
|
321 - The New Villa | 7191 |
31.83%
|
1435 |
81.18%
|
|
|
|
322 - Ships | 731 |
17.51%
|
189 |
35.45%
|
|
|
|
323 - Jury Compromise | 6187 |
24.00%
|
1204 |
62.29%
|
|
|
|
324 - Factorial Frequencies | 17271 |
57.31%
|
7803 |
90.21%
|
|
|
|
325 - Identifying Legal Pascal Real Constants | 9092 |
32.13%
|
2172 |
79.47%
|
|
|
|
326 - Extrapolation Using a Difference Table | 3161 |
62.89%
|
1806 |
90.42%
|
|
|
|
327 - Evaluating Simple C Expressions | 7781 |
35.69%
|
1759 |
76.63%
|
|
|
|
328 - The Finite State Text Processing Machine | 900 |
28.67%
|
291 |
69.07%
|
|
|
|
329 - PostScript Emulation | 964 |
17.32%
|
230 |
21.30%
|
|
|
|
330 - Inventory Maintenance | 2539 |
11.11%
|
557 |
30.88%
|
|
|
|
331 - Mapping the Swaps | 4382 |
56.50%
|
1992 |
87.45%
|
|
|
|
332 - Rational Numbers from Repeating Fractions | 15180 |
24.18%
|
2594 |
71.86%
|
|
|
|
333 - Recognizing Good ISBNs | 21484 |
16.78%
|
3394 |
52.74%
|
|
|
|
334 - Identifying Concurrent Events | 3691 |
28.10%
|
1210 |
68.93%
|
|
|
|
335 - Processing MX Records | 1850 |
30.49%
|
427 |
76.35%
|
|
|
|
336 - A Node Too Far | 47918 |
31.09%
|
9798 |
83.74%
|
|
|
|
337 - Interpreting Control Sequences | 3790 |
58.58%
|
1657 |
91.43%
|
|
|
|
338 - Long Multiplication | 6807 |
11.39%
|
1462 |
34.13%
|
|
|
|
339 - SameGame Simulation | 2325 |
31.66%
|
791 |
61.44%
|
|
|
|
340 - Master-Mind Hints | 33355 |
45.05%
|
7721 |
90.23%
|
|
|
|
341 - Non-Stop Travel | 7832 |
51.38%
|
2902 |
91.45%
|
|
|
|
342 - HTML Syntax Checking | 1921 |
12.65%
|
295 |
37.63%
|
|
|
|
343 - What Base Is This? | 16876 |
33.59%
|
4385 |
81.82%
|
|
|
|
344 - Roman Digititis | 14508 |
60.75%
|
7661 |
92.89%
|
|
|
|
345 - It's Ir-Resist-Able! | 1948 |
28.08%
|
586 |
70.48%
|
|
|
|
346 - Getting Chorded | 2113 |
45.24%
|
746 |
72.79%
|
|
|
|
347 - Run | 6159 |
32.07%
|
2598 |
56.66%
|
|
|
|
348 - Optimal Array Multiplication Sequence | 18972 |
43.49%
|
5183 |
89.04%
|
|
|
|
349 - Transferable Voting (II) | 1620 |
38.21%
|
663 |
74.21%
|
|
|
|
350 - Pseudo-Random Numbers | 21097 |
55.10%
|
8563 |
91.05%
|
|
|
|
351 - "Cheapest" Scores | 167 |
31.14%
|
46 |
41.30%
|
|
|
|
352 - The Seasonal War | 32418 |
53.45%
|
11181 |
92.80%
|
|
|
|
353 - Pesky Palindromes | 12616 |
47.70%
|
4399 |
88.79%
|
|
|
|
354 - Crazy Calculator | 424 |
16.75%
|
87 |
35.63%
|
|
|
|
355 - The Bases Are Loaded | 19783 |
25.64%
|
4204 |
79.09%
|
|
|
|
356 - Square Pegs And Round Holes | 11122 |
31.95%
|
3303 |
64.31%
|
|
|
|
357 - Let Me Count The Ways | 59743 |
34.93%
|
14538 |
82.52%
|
|
|
|
358 - Don't Have A Cow | 3625 |
38.29%
|
606 |
53.96%
|
|
|
|
359 - Sex Assignments And Breeding Experiments | 1162 |
16.87%
|
142 |
51.41%
|
|
|
|
360 - Don't Get Hives From This One! | 141 |
64.54%
|
45 |
57.78%
|
|
|
|
361 - Cops and Robbers | 8232 |
11.47%
|
1076 |
42.75%
|
|
|
|
362 - 18,000 Seconds Remaining | 9001 |
24.23%
|
1883 |
75.15%
|
|
|
|
363 - Approximate Matches | 110 |
45.45%
|
50 |
54.00%
|
|
|
|
364 - Constitutional Computing | 267 |
10.11%
|
44 |
20.45%
|
|
|
|
365 - Welfare Reform | 1009 |
13.97%
|
182 |
47.80%
|
|
|
|
366 - Cutting Up | 784 |
37.50%
|
347 |
63.11%
|
|
|
|
367 - Halting Factor Replacement Systems | 663 |
19.16%
|
161 |
44.72%
|
|
|
|
368 - Indexing Web Pages | 134 |
14.93%
|
44 |
36.36%
|
|
|
|
369 - Combinations | 49905 |
44.83%
|
16272 |
90.09%
|
|
|
|
370 - Bingo | 910 |
17.58%
|
198 |
49.49%
|
|
|
|
371 - Ackermann Functions | 55408 |
25.03%
|
10069 |
77.79%
|
|
|
|
372 - WhatFix Notation | 386 |
45.60%
|
177 |
62.15%
|
|
|
|
373 - Romulan Spelling | 1582 |
32.05%
|
320 |
52.81%
|
|
|
|
374 - Big Mod | 72105 |
47.07%
|
22473 |
89.51%
|
|
|
|
375 - Inscribed Circles and Isosceles Triangles | 6605 |
30.64%
|
1439 |
77.90%
|
|
|
|
376 - More Triangles ... THE AMBIGUOUS CASE | 1442 |
13.94%
|
289 |
42.56%
|
|
|
|
377 - Cowculations | 3318 |
60.46%
|
1886 |
90.08%
|
|
|
|
378 - Intersecting Lines | 20218 |
41.90%
|
5574 |
84.59%
|
|
|
|
379 - Hi-Q | 1381 |
65.46%
|
891 |
88.10%
|
|
|
|
380 - Call Forwarding | 3344 |
47.49%
|
1233 |
87.02%
|
|
|
|
381 - Making the Grade | 1495 |
54.31%
|
854 |
80.80%
|
|
|
|
382 - Perfection | 69181 |
35.06%
|
20288 |
86.45%
|
|
|
|
383 - Shipping Routes | 9761 |
39.25%
|
3537 |
82.19%
|
|
|
|
384 - Slurpys | 6299 |
47.94%
|
2046 |
83.92%
|
|
|
|
385 - DNA Translation | 1677 |
34.23%
|
515 |
72.23%
|
|
|
|
386 - Perfect Cubes | 18800 |
48.66%
|
6989 |
88.38%
|
|
|
|
387 - A Puzzling Problem | 2881 |
30.02%
|
728 |
61.26%
|
|
|
|
388 - Galactic Import | 1592 |
60.80%
|
870 |
87.82%
|
|
|
|
389 - Basically Speaking | 26486 |
29.25%
|
6222 |
77.10%
|
|
|
|
390 - Letter Sequence Analysis | 1007 |
25.62%
|
403 |
48.14%
|
|
|
|
391 - Mark-up | 4682 |
30.03%
|
1175 |
75.66%
|
|
|
|
392 - Polynomial Showdown | 20340 |
30.06%
|
5827 |
76.15%
|
|
|
|
393 - The Doors | 1898 |
44.20%
|
776 |
83.25%
|
|
|
|
394 - Mapmaker | 6765 |
59.35%
|
3413 |
93.20%
|
|
|
|
395 - Board Silly | 1189 |
30.03%
|
563 |
57.02%
|
|
|
|
396 - Top Dog | 579 |
17.62%
|
171 |
25.15%
|
|
|
|
397 - Equation Elation | 3245 |
47.83%
|
1173 |
86.96%
|
|
|
|
398 - 18-Wheeler Caravans (aka Semigroups) | 1002 |
13.87%
|
405 |
29.38%
|
|
|
|
399 - Another Puzzling Problem | 1115 |
29.69%
|
441 |
51.93%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |