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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10700 - Camel trading | 10779 |
42.43%
|
3535 |
89.31%
|
|
|
|
10701 - Pre, in and post | 7653 |
59.31%
|
2871 |
93.94%
|
|
|
|
10702 - Travelling Salesman | 5359 |
51.32%
|
1575 |
90.98%
|
|
|
|
10703 - Free spots | 12392 |
49.25%
|
4084 |
94.56%
|
|
|
|
10704 - Traffic! | 732 |
35.93%
|
193 |
74.61%
|
|
|
|
10705 - The Fun Number System | 2182 |
40.28%
|
722 |
84.35%
|
|
|
|
10706 - Number Sequence | 12178 |
36.52%
|
3335 |
75.95%
|
|
|
|
10707 - 2D-Nim | 1675 |
38.21%
|
464 |
80.17%
|
|
|
10708 - Cheetah | 802 |
25.44%
|
210 |
70.95%
|
|
|
|
10709 - Intersection is Not that Easy | 1915 |
26.01%
|
400 |
77.75%
|
|
|
|
10710 - Chinese Shuffle | 1491 |
43.59%
|
511 |
79.45%
|
|
|
|
10711 - Stitching | 220 |
53.18%
|
96 |
87.50%
|
|
|
|
10712 - Count the Numbers | 1464 |
22.34%
|
402 |
46.27%
|
|
|
|
10713 - Map | 1242 |
21.98%
|
333 |
65.17%
|
|
|
|
10714 - Ants | 12879 |
50.98%
|
4085 |
91.82%
|
|
|
|
10715 - Cat | 1384 |
30.27%
|
252 |
70.24%
|
|
|
|
10716 - Evil Straw Warts Live | 3148 |
33.04%
|
882 |
70.07%
|
|
|
|
10717 - Mint | 7528 |
39.90%
|
2256 |
87.63%
|
|
|
|
10718 - Bit Mask | 8087 |
42.03%
|
2593 |
84.88%
|
|
|
|
10719 - Quotient Polynomial | 5678 |
40.89%
|
1780 |
85.79%
|
|
|
|
10720 - Graph Construction | 8335 |
29.36%
|
1775 |
78.70%
|
|
|
|
10721 - Bar Codes | 9769 |
53.06%
|
3444 |
94.34%
|
|
|
|
10722 - Super Lucky Numbers | 2509 |
27.66%
|
628 |
70.86%
|
|
|
|
10723 - Cyborg Genes | 4929 |
37.27%
|
849 |
89.75%
|
|
|
|
10724 - Road Construction | 3445 |
29.72%
|
679 |
80.71%
|
|
|
|
10725 - Triangular Square | 2857 |
9.52%
|
270 |
59.63%
|
|
|
|
10726 - Coco Monkey | 728 |
35.85%
|
227 |
76.21%
|
|
|
|
10727 - Practice | 325 |
43.08%
|
120 |
66.67%
|
|
|
|
10728 - Help! | 938 |
31.98%
|
339 |
74.34%
|
|
|
|
10729 - Treequivalence | 993 |
18.53%
|
273 |
49.08%
|
|
|
|
10730 - Antiarithmetic? | 4644 |
47.39%
|
1728 |
86.00%
|
|
|
|
10731 - Test | 3802 |
43.32%
|
1290 |
88.53%
|
|
|
|
10732 - The Strange Research | 813 |
35.30%
|
246 |
75.20%
|
|
|
|
10733 - The Colored Cubes | 1771 |
56.86%
|
732 |
87.70%
|
|
|
|
10734 - Triangle Partitioning | 506 |
65.61%
|
321 |
88.16%
|
|
|
|
10735 - Euler Circuit | 4739 |
28.15%
|
753 |
75.96%
|
|
|
|
10736 - Series of PI | 378 |
54.23%
|
132 |
87.12%
|
|
|
|
10737 - The Difference Engine | 400 |
15.50%
|
77 |
61.04%
|
|
|
|
10738 - Riemann vs Mertens | 5226 |
54.90%
|
1781 |
88.43%
|
|
|
|
10739 - String to Palindrome | 9054 |
63.19%
|
3116 |
95.22%
|
|
|
|
10740 - Not the Best | 2768 |
33.96%
|
505 |
84.55%
|
|
|
|
10741 - Magic Cube | 852 |
33.45%
|
332 |
63.86%
|
|
|
|
10742 - The New Rule in Euphomia | 2942 |
61.28%
|
1189 |
94.11%
|
|
|
|
10743 - Blocks on Blocks | 440 |
40.91%
|
174 |
77.01%
|
|
|
|
10744 - The Optimal Super-Highway | 1613 |
28.08%
|
308 |
69.48%
|
|
|
|
10745 - Dominant Strings | 4659 |
41.60%
|
678 |
69.32%
|
|
|
|
10746 - Crime Wave - The Sequel | 5965 |
31.10%
|
1170 |
82.14%
|
|
|
|
10747 - Maximum Subsequence | 2700 |
16.70%
|
554 |
46.75%
|
|
|
|
10748 - Knights Roaming | 1411 |
28.14%
|
278 |
64.39%
|
|
|
|
10749 - Automobile Travelling | 478 |
21.55%
|
85 |
57.65%
|
|
|
|
10750 - Beautiful Points | 2623 |
42.17%
|
550 |
81.64%
|
|
|
|
10751 - Chessboard | 2495 |
54.27%
|
1116 |
89.07%
|
|
|
|
10752 - Distant Jumping | 364 |
34.07%
|
82 |
67.07%
|
|
|
|
10753 - Exponential Function | 453 |
20.09%
|
68 |
38.24%
|
|
|
|
10754 - Fantastic Sequence | 1863 |
23.24%
|
294 |
76.87%
|
|
|
|
10755 - Garbage Heap | 13416 |
31.25%
|
2548 |
85.16%
|
|
|
|
10756 - HardNumbers | 313 |
15.34%
|
56 |
46.43%
|
|
|
|
10757 - Interpreting SQL | 1013 |
5.13%
|
64 |
48.44%
|
|
|
|
10758 - Journey | 227 |
40.09%
|
84 |
71.43%
|
|
|
|
10759 - Dice Throwing | 3772 |
61.88%
|
1612 |
96.53%
|
|
|
|
10760 - Translation or rotation | 494 |
25.30%
|
124 |
68.55%
|
|
|
|
10761 - Broken Keyboard | 1449 |
32.02%
|
407 |
83.29%
|
|
|
|
10762 - Treasure Castle | 183 |
25.14%
|
49 |
61.22%
|
|
|
|
10763 - Foreign Exchange | 26798 |
46.53%
|
5674 |
90.06%
|
|
|
|
10764 - Signed-digit numbers | 399 |
50.63%
|
179 |
85.47%
|
|
|
|
10765 - Doves and bombs | 9810 |
39.88%
|
2114 |
91.25%
|
|
|
|
10766 - Organising the Organisation | 3186 |
32.99%
|
308 |
80.19%
|
|
|
|
10767 - Barcelona's trams | 300 |
49.67%
|
117 |
86.32%
|
|
|
|
10768 - Planarity | 644 |
37.89%
|
209 |
75.60%
|
|
|
|
10769 - Pillars | 973 |
42.34%
|
333 |
83.18%
|
|
|
|
10770 - Sokoban | 569 |
21.62%
|
93 |
58.06%
|
|
|
|
10771 - Barbarian tribes | 2022 |
51.98%
|
717 |
86.05%
|
|
|
|
10772 - Rose windows | 353 |
58.92%
|
155 |
88.39%
|
|
|
|
10773 - Back to Intermediate Math | 24291 |
33.47%
|
6679 |
91.66%
|
|
|
|
10774 - Repeated Josephus | 1537 |
74.82%
|
842 |
93.82%
|
|
|
|
10775 - Mystical Matrix | 324 |
49.07%
|
164 |
69.51%
|
|
|
|
10776 - Determine The Combination | 5625 |
38.15%
|
1753 |
81.46%
|
|
|
|
10777 - God! Save me | 1491 |
52.31%
|
522 |
92.53%
|
|
|
|
10778 - Mathemagicland | 359 |
16.16%
|
46 |
52.17%
|
|
|
|
10779 - Collectors Problem | 4346 |
50.55%
|
1207 |
90.06%
|
|
|
|
10780 - Again Prime? No Time. | 13323 |
32.40%
|
2302 |
81.19%
|
|
|
|
10781 - Global Positioning System | 1340 |
0.22%
|
29 |
10.34%
|
|
|
|
10782 - Send More Money | 790 |
26.20%
|
218 |
65.14%
|
|
|
|
10783 - Odd Sum | 121638 |
45.49%
|
35424 |
94.19%
|
|
|
|
10784 - Diagonal | 14356 |
43.73%
|
5202 |
92.71%
|
|
|
|
10785 - The Mad Numerologist | 5102 |
40.77%
|
1655 |
91.78%
|
|
|
|
10786 - Qualify for the Champions League | 178 |
52.25%
|
121 |
66.12%
|
|
|
|
10787 - Modular Equations | 963 |
59.29%
|
477 |
86.37%
|
|
|
|
10788 - Parenthesizing Palindromes | 664 |
31.93%
|
257 |
65.37%
|
|
|
|
10789 - Prime Frequency | 19706 |
48.25%
|
6500 |
92.49%
|
|
|
|
10790 - How Many Points of Intersection? | 8722 |
51.36%
|
3401 |
94.77%
|
|
|
|
10791 - Minimum Sum LCM | 24598 |
27.28%
|
3296 |
83.04%
|
|
|
|
10792 - The Laurel-Hardy Story | 1093 |
59.47%
|
563 |
94.14%
|
|
|
|
10793 - The Orc Attack | 3269 |
40.72%
|
1003 |
90.43%
|
|
|
|
10794 - The Deadly Olympic Returns!!! | 855 |
32.63%
|
201 |
83.58%
|
|
|
|
10795 - A Different Task | 3942 |
47.26%
|
907 |
93.83%
|
|
|
|
10796 - Right Hand Rule | 583 |
18.52%
|
90 |
57.78%
|
|
|
|
10797 - Peaceful Sharing | 393 |
38.42%
|
98 |
69.39%
|
|
|
|
10798 - Be wary of Roses | 1280 |
26.88%
|
228 |
66.23%
|
|
|
|
10799 - OOPS! They did it Again... | 557 |
43.63%
|
222 |
78.38%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |