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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
300 - Maya Calendar | 13448 |
35.00%
|
3548 |
82.89%
|
|
|
|
301 - Transportation | 8415 |
34.45%
|
2278 |
78.80%
|
|
|
|
302 - John's trip | 12593 |
24.03%
|
1906 |
67.05%
|
|
|
|
303 - Pipe | 1853 |
33.19%
|
516 |
78.49%
|
|
|
|
304 - Department | 997 |
7.42%
|
231 |
19.05%
|
|
|
|
305 - Joseph | 20251 |
49.19%
|
6844 |
88.66%
|
|
|
|
306 - Cipher | 11491 |
22.24%
|
2478 |
63.28%
|
|
|
|
307 - Sticks | 30943 |
22.02%
|
5178 |
58.71%
|
|
|
|
308 - Tin Cutter | 1745 |
34.21%
|
512 |
75.78%
|
|
|
|
309 - FORCAL | 791 |
41.59%
|
307 |
76.87%
|
|
|
|
310 - L--system | 3218 |
18.80%
|
555 |
45.59%
|
|
|
|
311 - Packets | 11488 |
36.46%
|
3388 |
81.79%
|
|
|
312 - Crosswords (II) | 3015 |
20.00%
|
708 |
45.90%
|
|
|
|
313 - Intervals | 2479 |
31.38%
|
685 |
79.27%
|
|
|
|
314 - Robot | 9074 |
31.07%
|
2200 |
76.27%
|
|
|
|
315 - Network | 37677 |
43.63%
|
8516 |
89.35%
|
|
|
|
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 | 4789 |
43.50%
|
2131 |
80.95%
|
|
|
|
321 - The New Villa | 7424 |
32.14%
|
1445 |
81.11%
|
|
|
|
322 - Ships | 739 |
17.86%
|
191 |
35.60%
|
|
|
|
323 - Jury Compromise | 6355 |
24.26%
|
1231 |
62.88%
|
|
|
|
324 - Factorial Frequencies | 17278 |
57.30%
|
7808 |
90.19%
|
|
|
|
325 - Identifying Legal Pascal Real Constants | 9093 |
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 | 48463 |
31.20%
|
9837 |
83.77%
|
|
|
|
337 - Interpreting Control Sequences | 3839 |
58.64%
|
1668 |
91.43%
|
|
|
|
338 - Long Multiplication | 6819 |
11.39%
|
1464 |
34.15%
|
|
|
|
339 - SameGame Simulation | 2326 |
31.64%
|
792 |
61.36%
|
|
|
|
340 - Master-Mind Hints | 33596 |
45.06%
|
7771 |
90.23%
|
|
|
|
341 - Non-Stop Travel | 7883 |
51.55%
|
2910 |
91.37%
|
|
|
|
342 - HTML Syntax Checking | 1926 |
12.62%
|
298 |
37.25%
|
|
|
|
343 - What Base Is This? | 16893 |
33.60%
|
4390 |
81.80%
|
|
|
|
344 - Roman Digititis | 14521 |
60.77%
|
7672 |
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 | 6172 |
32.11%
|
2603 |
56.74%
|
|
|
|
348 - Optimal Array Multiplication Sequence | 19272 |
43.72%
|
5216 |
89.03%
|
|
|
|
349 - Transferable Voting (II) | 1622 |
38.22%
|
665 |
74.14%
|
|
|
|
350 - Pseudo-Random Numbers | 21354 |
55.02%
|
8574 |
91.05%
|
|
|
|
351 - "Cheapest" Scores | 170 |
31.76%
|
48 |
43.75%
|
|
|
|
352 - The Seasonal War | 32841 |
53.55%
|
11258 |
92.81%
|
|
|
|
353 - Pesky Palindromes | 12685 |
47.86%
|
4408 |
88.79%
|
|
|
|
354 - Crazy Calculator | 451 |
15.74%
|
96 |
32.29%
|
|
|
|
355 - The Bases Are Loaded | 19812 |
25.66%
|
4208 |
79.06%
|
|
|
|
356 - Square Pegs And Round Holes | 11152 |
31.99%
|
3309 |
64.34%
|
|
|
|
357 - Let Me Count The Ways | 61041 |
35.14%
|
14602 |
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 | 8592 |
11.62%
|
1089 |
42.88%
|
|
|
|
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 | 50125 |
44.84%
|
16326 |
90.08%
|
|
|
|
370 - Bingo | 915 |
17.60%
|
200 |
49.50%
|
|
|
|
371 - Ackermann Functions | 55648 |
24.99%
|
10078 |
77.79%
|
|
|
|
372 - WhatFix Notation | 390 |
45.38%
|
180 |
61.67%
|
|
|
|
373 - Romulan Spelling | 1583 |
32.03%
|
321 |
52.65%
|
|
|
|
374 - Big Mod | 73287 |
47.27%
|
22720 |
89.51%
|
|
|
|
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 | 20475 |
42.03%
|
5611 |
84.62%
|
|
|
|
379 - Hi-Q | 1384 |
65.46%
|
892 |
88.12%
|
|
|
|
380 - Call Forwarding | 3379 |
47.53%
|
1243 |
87.05%
|
|
|
|
381 - Making the Grade | 1500 |
54.27%
|
858 |
80.65%
|
|
|
|
382 - Perfection | 69632 |
35.07%
|
20341 |
86.47%
|
|
|
|
383 - Shipping Routes | 9773 |
39.24%
|
3541 |
82.18%
|
|
|
|
384 - Slurpys | 6305 |
47.93%
|
2049 |
83.85%
|
|
|
|
385 - DNA Translation | 1679 |
34.19%
|
516 |
72.09%
|
|
|
|
386 - Perfect Cubes | 18943 |
48.60%
|
7014 |
88.38%
|
|
|
|
387 - A Puzzling Problem | 2883 |
30.00%
|
730 |
61.10%
|
|
|
|
388 - Galactic Import | 1595 |
60.82%
|
873 |
87.74%
|
|
|
|
389 - Basically Speaking | 26605 |
29.27%
|
6234 |
77.13%
|
|
|
|
390 - Letter Sequence Analysis | 1011 |
25.62%
|
405 |
48.15%
|
|
|
|
391 - Mark-up | 4686 |
30.05%
|
1177 |
75.62%
|
|
|
|
392 - Polynomial Showdown | 20402 |
30.10%
|
5836 |
76.15%
|
|
|
|
393 - The Doors | 1916 |
44.26%
|
785 |
83.18%
|
|
|
|
394 - Mapmaker | 6786 |
59.34%
|
3426 |
93.14%
|
|
|
|
395 - Board Silly | 1190 |
30.00%
|
564 |
56.91%
|
|
|
|
396 - Top Dog | 581 |
17.56%
|
173 |
24.86%
|
|
|
|
397 - Equation Elation | 3305 |
47.59%
|
1190 |
86.81%
|
|
|
|
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 | |