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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
300 - Maya Calendar | 13436 |
35.01%
|
3547 |
82.89%
|
|
|
|
301 - Transportation | 8393 |
34.39%
|
2275 |
78.86%
|
|
|
|
302 - John's trip | 12572 |
24.01%
|
1904 |
67.02%
|
|
|
|
303 - Pipe | 1853 |
33.19%
|
516 |
78.49%
|
|
|
|
304 - Department | 997 |
7.42%
|
231 |
19.05%
|
|
|
|
305 - Joseph | 20236 |
49.19%
|
6841 |
88.67%
|
|
|
|
306 - Cipher | 11489 |
22.23%
|
2477 |
63.26%
|
|
|
|
307 - Sticks | 30791 |
22.02%
|
5169 |
58.66%
|
|
|
|
308 - Tin Cutter | 1736 |
34.22%
|
510 |
75.69%
|
|
|
|
309 - FORCAL | 791 |
41.59%
|
307 |
76.87%
|
|
|
|
310 - L--system | 3213 |
18.67%
|
553 |
45.39%
|
|
|
|
311 - Packets | 11479 |
36.44%
|
3388 |
81.79%
|
|
|
312 - Crosswords (II) | 3013 |
19.95%
|
708 |
45.90%
|
|
|
|
313 - Intervals | 2479 |
31.38%
|
685 |
79.27%
|
|
|
|
314 - Robot | 9029 |
31.07%
|
2199 |
76.26%
|
|
|
|
315 - Network | 37555 |
43.56%
|
8500 |
89.34%
|
|
|
|
316 - Stars | 1228 |
12.13%
|
218 |
50.92%
|
|
|
|
317 - Hexagon | 801 |
31.46%
|
300 |
52.33%
|
|
|
|
318 - Domino Effect | 9809 |
28.32%
|
1806 |
78.74%
|
|
|
|
319 - Pendulum | 754 |
24.40%
|
194 |
73.71%
|
|
|
|
320 - Border | 4780 |
43.58%
|
2129 |
81.02%
|
|
|
|
321 - The New Villa | 7291 |
32.11%
|
1440 |
81.11%
|
|
|
|
322 - Ships | 739 |
17.86%
|
191 |
35.60%
|
|
|
|
323 - Jury Compromise | 6286 |
24.24%
|
1225 |
62.86%
|
|
|
|
324 - Factorial Frequencies | 17274 |
57.31%
|
7806 |
90.20%
|
|
|
|
325 - Identifying Legal Pascal Real Constants | 9093 |
32.12%
|
2173 |
79.43%
|
|
|
|
326 - Extrapolation Using a Difference Table | 3163 |
62.88%
|
1808 |
90.38%
|
|
|
|
327 - Evaluating Simple C Expressions | 7782 |
35.68%
|
1760 |
76.59%
|
|
|
|
328 - The Finite State Text Processing Machine | 906 |
28.70%
|
292 |
68.84%
|
|
|
|
329 - PostScript Emulation | 965 |
17.31%
|
231 |
21.21%
|
|
|
|
330 - Inventory Maintenance | 2542 |
11.09%
|
559 |
30.77%
|
|
|
|
331 - Mapping the Swaps | 4384 |
56.50%
|
1994 |
87.41%
|
|
|
|
332 - Rational Numbers from Repeating Fractions | 15199 |
24.17%
|
2598 |
71.86%
|
|
|
|
333 - Recognizing Good ISBNs | 21485 |
16.78%
|
3395 |
52.72%
|
|
|
|
334 - Identifying Concurrent Events | 3700 |
28.08%
|
1213 |
68.92%
|
|
|
|
335 - Processing MX Records | 1851 |
30.47%
|
428 |
76.17%
|
|
|
|
336 - A Node Too Far | 48362 |
31.17%
|
9829 |
83.75%
|
|
|
|
337 - Interpreting Control Sequences | 3810 |
58.64%
|
1663 |
91.40%
|
|
|
|
338 - Long Multiplication | 6819 |
11.39%
|
1464 |
34.15%
|
|
|
|
339 - SameGame Simulation | 2326 |
31.64%
|
792 |
61.36%
|
|
|
|
340 - Master-Mind Hints | 33521 |
45.06%
|
7756 |
90.21%
|
|
|
|
341 - Non-Stop Travel | 7844 |
51.43%
|
2907 |
91.40%
|
|
|
|
342 - HTML Syntax Checking | 1924 |
12.63%
|
298 |
37.25%
|
|
|
|
343 - What Base Is This? | 16893 |
33.60%
|
4390 |
81.80%
|
|
|
|
344 - Roman Digititis | 14517 |
60.76%
|
7668 |
92.88%
|
|
|
|
345 - It's Ir-Resist-Able! | 1949 |
28.07%
|
587 |
70.36%
|
|
|
|
346 - Getting Chorded | 2114 |
45.22%
|
747 |
72.69%
|
|
|
|
347 - Run | 6164 |
32.07%
|
2600 |
56.69%
|
|
|
|
348 - Optimal Array Multiplication Sequence | 19101 |
43.63%
|
5200 |
89.04%
|
|
|
|
349 - Transferable Voting (II) | 1621 |
38.19%
|
664 |
74.10%
|
|
|
|
350 - Pseudo-Random Numbers | 21334 |
55.02%
|
8571 |
91.05%
|
|
|
|
351 - "Cheapest" Scores | 168 |
30.95%
|
47 |
40.43%
|
|
|
|
352 - The Seasonal War | 32646 |
53.48%
|
11229 |
92.82%
|
|
|
|
353 - Pesky Palindromes | 12679 |
47.84%
|
4406 |
88.79%
|
|
|
|
354 - Crazy Calculator | 426 |
16.67%
|
89 |
34.83%
|
|
|
|
355 - The Bases Are Loaded | 19812 |
25.66%
|
4208 |
79.06%
|
|
|
|
356 - Square Pegs And Round Holes | 11129 |
31.96%
|
3305 |
64.30%
|
|
|
|
357 - Let Me Count The Ways | 60845 |
35.08%
|
14584 |
82.55%
|
|
|
|
358 - Don't Have A Cow | 3636 |
38.26%
|
609 |
54.02%
|
|
|
|
359 - Sex Assignments And Breeding Experiments | 1164 |
16.84%
|
143 |
51.05%
|
|
|
|
360 - Don't Get Hives From This One! | 142 |
64.08%
|
46 |
56.52%
|
|
|
|
361 - Cops and Robbers | 8346 |
11.47%
|
1084 |
42.90%
|
|
|
|
362 - 18,000 Seconds Remaining | 9007 |
24.25%
|
1885 |
75.12%
|
|
|
|
363 - Approximate Matches | 111 |
45.05%
|
51 |
52.94%
|
|
|
|
364 - Constitutional Computing | 269 |
10.04%
|
46 |
19.57%
|
|
|
|
365 - Welfare Reform | 1010 |
13.96%
|
183 |
47.54%
|
|
|
|
366 - Cutting Up | 785 |
37.45%
|
348 |
62.93%
|
|
|
|
367 - Halting Factor Replacement Systems | 664 |
19.13%
|
162 |
44.44%
|
|
|
|
368 - Indexing Web Pages | 150 |
18.00%
|
52 |
42.31%
|
|
|
|
369 - Combinations | 50078 |
44.83%
|
16308 |
90.09%
|
|
|
|
370 - Bingo | 915 |
17.60%
|
200 |
49.50%
|
|
|
|
371 - Ackermann Functions | 55449 |
25.03%
|
10075 |
77.78%
|
|
|
|
372 - WhatFix Notation | 390 |
45.38%
|
180 |
61.67%
|
|
|
|
373 - Romulan Spelling | 1583 |
32.03%
|
321 |
52.65%
|
|
|
|
374 - Big Mod | 73055 |
47.25%
|
22668 |
89.52%
|
|
|
|
375 - Inscribed Circles and Isosceles Triangles | 6610 |
30.65%
|
1441 |
77.86%
|
|
|
|
376 - More Triangles ... THE AMBIGUOUS CASE | 1454 |
14.24%
|
290 |
42.76%
|
|
|
|
377 - Cowculations | 3324 |
60.44%
|
1890 |
90.05%
|
|
|
|
378 - Intersecting Lines | 20421 |
42.03%
|
5603 |
84.62%
|
|
|
|
379 - Hi-Q | 1384 |
65.46%
|
892 |
88.12%
|
|
|
|
380 - Call Forwarding | 3359 |
47.48%
|
1239 |
87.01%
|
|
|
|
381 - Making the Grade | 1499 |
54.30%
|
857 |
80.75%
|
|
|
|
382 - Perfection | 69489 |
35.07%
|
20328 |
86.46%
|
|
|
|
383 - Shipping Routes | 9768 |
39.24%
|
3540 |
82.18%
|
|
|
|
384 - Slurpys | 6305 |
47.93%
|
2049 |
83.85%
|
|
|
|
385 - DNA Translation | 1678 |
34.21%
|
516 |
72.09%
|
|
|
|
386 - Perfect Cubes | 18915 |
48.61%
|
7006 |
88.38%
|
|
|
|
387 - A Puzzling Problem | 2883 |
30.00%
|
730 |
61.10%
|
|
|
|
388 - Galactic Import | 1594 |
60.79%
|
872 |
87.73%
|
|
|
|
389 - Basically Speaking | 26574 |
29.26%
|
6229 |
77.11%
|
|
|
|
390 - Letter Sequence Analysis | 1008 |
25.60%
|
404 |
48.02%
|
|
|
|
391 - Mark-up | 4683 |
30.02%
|
1176 |
75.60%
|
|
|
|
392 - Polynomial Showdown | 20376 |
30.06%
|
5833 |
76.15%
|
|
|
|
393 - The Doors | 1915 |
44.23%
|
784 |
83.16%
|
|
|
|
394 - Mapmaker | 6779 |
59.32%
|
3422 |
93.13%
|
|
|
|
395 - Board Silly | 1190 |
30.00%
|
564 |
56.91%
|
|
|
|
396 - Top Dog | 581 |
17.56%
|
173 |
24.86%
|
|
|
|
397 - Equation Elation | 3294 |
47.54%
|
1185 |
86.75%
|
|
|
|
398 - 18-Wheeler Caravans (aka Semigroups) | 1004 |
13.84%
|
407 |
29.24%
|
|
|
|
399 - Another Puzzling Problem | 1130 |
29.65%
|
450 |
51.78%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |