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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
300 - Maya Calendar | 13452 |
35.01%
|
3549 |
82.90%
|
|
|
|
301 - Transportation | 8416 |
34.45%
|
2278 |
78.80%
|
|
|
|
302 - John's trip | 12620 |
24.05%
|
1907 |
67.07%
|
|
|
|
303 - Pipe | 1854 |
33.17%
|
516 |
78.49%
|
|
|
|
304 - Department | 997 |
7.42%
|
231 |
19.05%
|
|
|
|
305 - Joseph | 20275 |
49.19%
|
6849 |
88.67%
|
|
|
|
306 - Cipher | 11509 |
22.27%
|
2480 |
63.31%
|
|
|
|
307 - Sticks | 31022 |
22.00%
|
5180 |
58.73%
|
|
|
|
308 - Tin Cutter | 1745 |
34.21%
|
512 |
75.78%
|
|
|
|
309 - FORCAL | 791 |
41.59%
|
307 |
76.87%
|
|
|
|
310 - L--system | 3222 |
18.84%
|
556 |
45.68%
|
|
|
|
311 - Packets | 11489 |
36.47%
|
3388 |
81.79%
|
|
|
312 - Crosswords (II) | 3015 |
20.00%
|
708 |
45.90%
|
|
|
|
313 - Intervals | 2481 |
31.40%
|
685 |
79.42%
|
|
|
|
314 - Robot | 9094 |
31.14%
|
2201 |
76.28%
|
|
|
|
315 - Network | 38005 |
43.85%
|
8549 |
89.39%
|
|
|
|
316 - Stars | 1228 |
12.13%
|
218 |
50.92%
|
|
|
|
317 - Hexagon | 801 |
31.46%
|
300 |
52.33%
|
|
|
|
318 - Domino Effect | 9813 |
28.32%
|
1807 |
78.75%
|
|
|
|
319 - Pendulum | 754 |
24.40%
|
194 |
73.71%
|
|
|
|
320 - Border | 4791 |
43.50%
|
2132 |
80.96%
|
|
|
|
321 - The New Villa | 7446 |
32.15%
|
1447 |
81.13%
|
|
|
|
322 - Ships | 739 |
17.86%
|
191 |
35.60%
|
|
|
|
323 - Jury Compromise | 6397 |
24.29%
|
1232 |
62.91%
|
|
|
|
324 - Factorial Frequencies | 17278 |
57.30%
|
7808 |
90.19%
|
|
|
|
325 - Identifying Legal Pascal Real Constants | 9098 |
32.12%
|
2173 |
79.43%
|
|
|
|
326 - Extrapolation Using a Difference Table | 3165 |
62.91%
|
1810 |
90.39%
|
|
|
|
327 - Evaluating Simple C Expressions | 7783 |
35.69%
|
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 | 2544 |
11.16%
|
561 |
31.02%
|
|
|
|
331 - Mapping the Swaps | 4387 |
56.53%
|
1996 |
87.42%
|
|
|
|
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 | 3702 |
28.09%
|
1214 |
68.95%
|
|
|
|
335 - Processing MX Records | 1851 |
30.47%
|
428 |
76.17%
|
|
|
|
336 - A Node Too Far | 48572 |
31.21%
|
9841 |
83.77%
|
|
|
|
337 - Interpreting Control Sequences | 3850 |
58.62%
|
1670 |
91.44%
|
|
|
|
338 - Long Multiplication | 6820 |
11.39%
|
1464 |
34.15%
|
|
|
|
339 - SameGame Simulation | 2326 |
31.64%
|
792 |
61.36%
|
|
|
|
340 - Master-Mind Hints | 33632 |
45.07%
|
7776 |
90.24%
|
|
|
|
341 - Non-Stop Travel | 7887 |
51.57%
|
2912 |
91.38%
|
|
|
|
342 - HTML Syntax Checking | 1928 |
12.60%
|
298 |
37.25%
|
|
|
|
343 - What Base Is This? | 16900 |
33.60%
|
4392 |
81.81%
|
|
|
|
344 - Roman Digititis | 14527 |
60.79%
|
7676 |
92.89%
|
|
|
|
345 - It's Ir-Resist-Able! | 1949 |
28.07%
|
587 |
70.36%
|
|
|
|
346 - Getting Chorded | 2114 |
45.22%
|
747 |
72.69%
|
|
|
|
347 - Run | 6177 |
32.14%
|
2603 |
56.74%
|
|
|
|
348 - Optimal Array Multiplication Sequence | 19345 |
43.69%
|
5222 |
89.05%
|
|
|
|
349 - Transferable Voting (II) | 1622 |
38.22%
|
665 |
74.14%
|
|
|
|
350 - Pseudo-Random Numbers | 21361 |
55.02%
|
8577 |
91.06%
|
|
|
|
351 - "Cheapest" Scores | 170 |
31.76%
|
48 |
43.75%
|
|
|
|
352 - The Seasonal War | 33569 |
53.52%
|
11305 |
92.84%
|
|
|
|
353 - Pesky Palindromes | 12689 |
47.87%
|
4411 |
88.80%
|
|
|
|
354 - Crazy Calculator | 456 |
15.57%
|
96 |
32.29%
|
|
|
|
355 - The Bases Are Loaded | 19813 |
25.66%
|
4208 |
79.06%
|
|
|
|
356 - Square Pegs And Round Holes | 11153 |
31.99%
|
3309 |
64.34%
|
|
|
|
357 - Let Me Count The Ways | 61127 |
35.15%
|
14608 |
82.56%
|
|
|
|
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 | 8595 |
11.61%
|
1090 |
42.84%
|
|
|
|
362 - 18,000 Seconds Remaining | 9009 |
24.25%
|
1886 |
75.13%
|
|
|
|
363 - Approximate Matches | 111 |
45.05%
|
51 |
52.94%
|
|
|
|
364 - Constitutional Computing | 269 |
10.04%
|
46 |
19.57%
|
|
|
|
365 - Welfare Reform | 1011 |
13.95%
|
184 |
47.28%
|
|
|
|
366 - Cutting Up | 789 |
37.64%
|
350 |
63.43%
|
|
|
|
367 - Halting Factor Replacement Systems | 664 |
19.13%
|
162 |
44.44%
|
|
|
|
368 - Indexing Web Pages | 150 |
18.00%
|
52 |
42.31%
|
|
|
|
369 - Combinations | 50549 |
45.02%
|
16361 |
90.10%
|
|
|
|
370 - Bingo | 915 |
17.60%
|
200 |
49.50%
|
|
|
|
371 - Ackermann Functions | 55659 |
25.00%
|
10079 |
77.81%
|
|
|
|
372 - WhatFix Notation | 390 |
45.38%
|
180 |
61.67%
|
|
|
|
373 - Romulan Spelling | 1583 |
32.03%
|
321 |
52.65%
|
|
|
|
374 - Big Mod | 73405 |
47.32%
|
22740 |
89.52%
|
|
|
|
375 - Inscribed Circles and Isosceles Triangles | 6615 |
30.66%
|
1441 |
77.86%
|
|
|
|
376 - More Triangles ... THE AMBIGUOUS CASE | 1454 |
14.24%
|
290 |
42.76%
|
|
|
|
377 - Cowculations | 3329 |
60.47%
|
1892 |
90.06%
|
|
|
|
378 - Intersecting Lines | 20545 |
42.05%
|
5620 |
84.61%
|
|
|
|
379 - Hi-Q | 1384 |
65.46%
|
892 |
88.12%
|
|
|
|
380 - Call Forwarding | 3380 |
47.54%
|
1244 |
87.06%
|
|
|
|
381 - Making the Grade | 1500 |
54.27%
|
858 |
80.65%
|
|
|
|
382 - Perfection | 69703 |
35.08%
|
20349 |
86.48%
|
|
|
|
383 - Shipping Routes | 9778 |
39.23%
|
3542 |
82.16%
|
|
|
|
384 - Slurpys | 6307 |
47.93%
|
2050 |
83.85%
|
|
|
|
385 - DNA Translation | 1685 |
34.24%
|
517 |
72.15%
|
|
|
|
386 - Perfect Cubes | 18965 |
48.61%
|
7018 |
88.40%
|
|
|
|
387 - A Puzzling Problem | 2885 |
30.02%
|
731 |
61.15%
|
|
|
|
388 - Galactic Import | 1595 |
60.82%
|
873 |
87.74%
|
|
|
|
389 - Basically Speaking | 26629 |
29.28%
|
6238 |
77.12%
|
|
|
|
390 - Letter Sequence Analysis | 1011 |
25.62%
|
405 |
48.15%
|
|
|
|
391 - Mark-up | 4686 |
30.05%
|
1177 |
75.62%
|
|
|
|
392 - Polynomial Showdown | 20410 |
30.11%
|
5837 |
76.15%
|
|
|
|
393 - The Doors | 1916 |
44.26%
|
785 |
83.18%
|
|
|
|
394 - Mapmaker | 6790 |
59.37%
|
3428 |
93.14%
|
|
|
|
395 - Board Silly | 1190 |
30.00%
|
564 |
56.91%
|
|
|
|
396 - Top Dog | 581 |
17.56%
|
173 |
24.86%
|
|
|
|
397 - Equation Elation | 3319 |
47.57%
|
1194 |
86.68%
|
|
|
|
398 - 18-Wheeler Caravans (aka Semigroups) | 1011 |
13.95%
|
408 |
29.41%
|
|
|
|
399 - Another Puzzling Problem | 1132 |
29.77%
|
451 |
51.88%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |