Browse Problems
Title | Total Submissions / Solving % | Total Users / Solving % | ||||
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10000 - Longest Paths | 33531 |
24.72%
|
7856 |
64.52%
|
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10001 - Garden of Eden | 5977 |
36.16%
|
1915 |
65.07%
|
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10002 - Center of Masses | 11177 |
28.93%
|
2319 |
68.05%
|
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10003 - Cutting Sticks | 47674 |
47.81%
|
13162 |
89.92%
|
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10004 - Bicoloring | 72544 |
48.43%
|
20453 |
90.46%
|
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10005 - Packing polygons | 11396 |
19.00%
|
2639 |
52.94%
|
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10006 - Carmichael Numbers | 41663 |
37.36%
|
9918 |
84.79%
|
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10007 - Count the Trees | 8139 |
44.49%
|
3350 |
77.43%
|
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10008 - What's Cryptanalysis? | 37294 |
56.90%
|
16180 |
93.84%
|
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10009 - All Roads Lead Where? | 14321 |
34.01%
|
4179 |
82.01%
|
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10010 - Where's Waldorf? | 42751 |
29.95%
|
10281 |
80.91%
|
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10011 - Where Can You Hide? | 4092 |
10.39%
|
574 |
39.72%
|
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10012 - How Big Is It? | 10444 |
29.27%
|
2450 |
69.02%
|
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10013 - Super long sums | 52084 |
27.29%
|
9853 |
66.79%
|
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10014 - Simple calculations | 12310 |
31.80%
|
3995 |
70.51%
|
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10015 - Joseph's Cousin | 9375 |
30.03%
|
3405 |
52.04%
|
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10016 - Flip-Flop the Squarelotron | 2864 |
46.75%
|
1235 |
79.19%
|
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10017 - The Never Ending Towers of Hanoi | 6420 |
24.55%
|
1794 |
55.35%
|
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10018 - Reverse and Add | 98466 |
41.92%
|
25982 |
88.39%
|
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10019 - Funny Encryption Method | 19669 |
71.24%
|
11393 |
96.17%
|
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10020 - Minimal coverage | 24718 |
25.49%
|
4732 |
66.02%
|
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10021 - Cube in the labirint | 1637 |
22.48%
|
476 |
64.50%
|
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10022 - Delta-wave | 2424 |
29.50%
|
932 |
63.52%
|
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10023 - Square root | 31063 |
11.28%
|
5836 |
27.52%
|
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10024 - Curling up the cube | 2020 |
23.47%
|
635 |
54.17%
|
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10025 - The ? 1 ? 2 ? ... ? n = k problem | 17001 |
27.88%
|
4313 |
77.16%
|
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10026 - Shoemaker's Problem | 33797 |
32.56%
|
7991 |
82.18%
|
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10027 - Language Cardinality | 2470 |
13.44%
|
489 |
51.94%
|
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10028 - Demerit Points | 1473 |
24.51%
|
400 |
58.00%
|
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10029 - Edit Step Ladders | 14055 |
20.96%
|
2288 |
60.71%
|
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10030 - Computer Dialogue | 961 |
26.22%
|
371 |
38.81%
|
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10031 - Saskatchewan | 1211 |
6.77%
|
250 |
24.00%
|
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10032 - Tug of War | 33221 |
12.61%
|
4204 |
37.96%
|
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10033 - Interpreter | 34791 |
23.59%
|
5899 |
75.89%
|
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10034 - Freckles | 45882 |
32.79%
|
10777 |
81.49%
|
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10035 - Primary Arithmetic | 127207 |
28.60%
|
28770 |
86.63%
|
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10036 - Divisibility | 18467 |
37.13%
|
4568 |
85.03%
|
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10037 - Bridge | 23784 |
22.86%
|
4785 |
66.67%
|
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10038 - Jolly Jumpers | 195689 |
27.20%
|
39181 |
83.38%
|
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10039 - Railroads | 5596 |
25.96%
|
1052 |
70.15%
|
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10040 - Ouroboros Snake | 3267 |
36.70%
|
638 |
59.40%
|
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10041 - Vito's Family | 69228 |
42.08%
|
20269 |
87.30%
|
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10042 - Smith Numbers | 18860 |
35.33%
|
4980 |
83.98%
|
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10043 - Chainsaw Massacre | 5305 |
27.62%
|
726 |
66.80%
|
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10044 - Erdos Numbers | 29904 |
18.18%
|
3721 |
67.72%
|
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10045 - Echo | 2180 |
23.76%
|
421 |
45.13%
|
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10046 - Fold-up Patterns | 130 |
20.77%
|
52 |
40.38%
|
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10047 - The Monocycle | 10218 |
41.19%
|
2335 |
85.65%
|
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10048 - Audiophobia | 23260 |
45.74%
|
6841 |
87.43%
|
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10049 - Self-describing Sequence | 7553 |
52.52%
|
3200 |
88.34%
|
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10050 - Hartals | 34374 |
59.68%
|
16002 |
94.19%
|
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10051 - Tower of Cubes | 9068 |
36.54%
|
2506 |
83.56%
|
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10052 - Inviting Politicians | 2442 |
7.86%
|
333 |
22.52%
|
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10053 - Envelopes | 1265 |
18.10%
|
330 |
46.67%
|
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10054 - The Necklace | 32692 |
25.09%
|
4699 |
68.99%
|
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10055 - Hashmat the Brave Warrior | 327463 |
28.68%
|
66870 |
86.53%
|
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10056 - What is the Probability ? | 12358 |
42.25%
|
3817 |
89.02%
|
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10057 - A mid-summer night's dream. | 12981 |
34.59%
|
3299 |
80.51%
|
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10058 - Jimmi's Riddles | 2331 |
35.61%
|
818 |
82.89%
|
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10059 - The Hazard of CSE Department! | 419 |
1.91%
|
108 |
5.56%
|
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10060 - A hole to catch a man | 3416 |
32.52%
|
983 |
84.74%
|
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10061 - How many zero's and how many digits ? | 9831 |
30.31%
|
2236 |
77.95%
|
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10062 - Tell me the frequencies! | 56902 |
20.69%
|
11762 |
67.60%
|
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10063 - Knuth's Permutation | 6063 |
41.84%
|
2221 |
71.99%
|
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10064 - Traveling in another Dimension | 473 |
15.64%
|
137 |
41.61%
|
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10065 - Useless Tile Packers | 8136 |
35.13%
|
2065 |
84.31%
|
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10066 - The Twin Towers | 23459 |
47.04%
|
8231 |
90.24%
|
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10067 - Playing with Wheels | 19020 |
41.80%
|
5225 |
88.98%
|
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10068 - The Treasure Hunt | 1570 |
14.71%
|
353 |
41.93%
|
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10069 - Distinct Subsequences | 17559 |
29.28%
|
3963 |
74.69%
|
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10070 - Leap Year or Not Leap Year and ... | 58465 |
15.26%
|
11545 |
54.89%
|
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10071 - Back to High School Physics | 159671 |
48.07%
|
55299 |
93.44%
|
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10072 - Bob Laptop Woolmer and Eddie Desktop Barlow | 1604 |
30.55%
|
509 |
60.12%
|
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10073 - Constrained Exchange Sort | 1032 |
32.17%
|
185 |
55.68%
|
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10074 - Take the Land | 14026 |
50.98%
|
4717 |
91.80%
|
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10075 - Airlines | 3573 |
39.94%
|
1175 |
81.36%
|
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10076 - The Bumpy Robot | 1046 |
24.47%
|
246 |
65.45%
|
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10077 - The Stern-Brocot Number System | 13727 |
55.40%
|
5504 |
93.24%
|
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10078 - The Art Gallery | 7655 |
47.00%
|
2553 |
90.36%
|
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10079 - Pizza Cutting | 49375 |
44.49%
|
17741 |
94.16%
|
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10080 - Gopher II | 16053 |
39.01%
|
3161 |
85.89%
|
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10081 - Tight Words | 4558 |
53.36%
|
2028 |
90.53%
|
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10082 - WERTYU | 95303 |
40.06%
|
26912 |
90.28%
|
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10083 - Division | 7293 |
17.96%
|
1537 |
57.25%
|
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10084 - Hotter Colder | 1874 |
35.70%
|
522 |
76.05%
|
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10085 - The most distant state | 2291 |
46.57%
|
728 |
86.68%
|
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10086 - Test the Rods | 2280 |
43.25%
|
714 |
87.11%
|
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10087 - The Tajmahal of ++Y2k | 584 |
28.94%
|
185 |
69.73%
|
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10088 - Trees on My Island | 6336 |
37.09%
|
1568 |
87.63%
|
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10089 - Repackaging | 3933 |
30.38%
|
881 |
71.74%
|
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10090 - Marbles | 17525 |
23.89%
|
3407 |
68.10%
|
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10091 - The Valentine's Day | 1294 |
22.57%
|
321 |
68.85%
|
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10092 - The Problem with the Problem Setter | 8979 |
39.87%
|
2064 |
84.59%
|
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10093 - An Easy Problem! | 17352 |
23.31%
|
3980 |
67.96%
|
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10094 - Place the Guards | 2372 |
29.68%
|
741 |
65.05%
|
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10095 - Saving the Planet | 1044 |
18.87%
|
196 |
54.08%
|
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10096 - The Richest Man of the Universe | 2354 |
2.85%
|
309 |
13.27%
|
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10097 - The Color Game | 1423 |
51.58%
|
629 |
83.62%
|
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10098 - Generating Fast | 25499 |
44.25%
|
8188 |
85.82%
|
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10099 - The Tourist Guide | 31958 |
31.49%
|
7090 |
84.46%
|
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