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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 35680 |
25.31%
|
8219 |
65.07%
|
|
|
|
10001 - Garden of Eden | 6947 |
40.79%
|
2506 |
72.67%
|
|
|
|
10002 - Center of Masses | 11543 |
29.22%
|
2387 |
68.41%
|
|
|
|
10003 - Cutting Sticks | 56592 |
48.49%
|
15078 |
90.00%
|
|
|
|
10004 - Bicoloring | 84389 |
49.89%
|
22819 |
90.86%
|
|
|
|
10005 - Packing polygons | 12093 |
19.76%
|
2768 |
53.90%
|
|
|
|
10006 - Carmichael Numbers | 44828 |
37.98%
|
10863 |
85.36%
|
|
|
|
10007 - Count the Trees | 8774 |
45.05%
|
3539 |
77.73%
|
|
|
|
10008 - What's Cryptanalysis? | 42136 |
57.39%
|
17526 |
93.91%
|
|
|
|
10009 - All Roads Lead Where? | 15640 |
34.62%
|
4398 |
82.42%
|
|
|
|
10010 - Where's Waldorf? | 45634 |
31.56%
|
11664 |
82.40%
|
|
|
|
10011 - Where Can You Hide? | 4140 |
10.58%
|
594 |
40.24%
|
|
|
|
10012 - How Big Is It? | 11216 |
30.29%
|
2609 |
69.99%
|
|
|
|
10013 - Super long sums | 53777 |
27.59%
|
10107 |
67.32%
|
|
|
|
10014 - Simple calculations | 12662 |
31.80%
|
4098 |
70.86%
|
|
|
|
10015 - Joseph's Cousin | 9840 |
30.68%
|
3533 |
53.44%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 2976 |
47.45%
|
1283 |
79.89%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 6768 |
25.04%
|
1869 |
56.61%
|
|
|
|
10018 - Reverse and Add | 104863 |
42.70%
|
28186 |
88.80%
|
|
|
|
10019 - Funny Encryption Method | 22611 |
70.94%
|
12385 |
96.25%
|
|
|
10020 - Minimal coverage | 28478 |
27.33%
|
5396 |
68.68%
|
|
|
|
10021 - Cube in the labirint | 1693 |
23.15%
|
498 |
64.66%
|
|
|
|
10022 - Delta-wave | 2529 |
29.93%
|
972 |
64.30%
|
|
|
|
10023 - Square root | 47898 |
22.66%
|
6269 |
31.17%
|
|
|
|
10024 - Curling up the cube | 2147 |
24.83%
|
671 |
55.89%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17641 |
28.55%
|
4457 |
77.72%
|
|
|
|
10026 - Shoemaker's Problem | 38545 |
34.03%
|
9333 |
83.65%
|
|
|
|
10027 - Language Cardinality | 2500 |
13.64%
|
505 |
51.88%
|
|
|
|
10028 - Demerit Points | 1547 |
24.43%
|
417 |
58.75%
|
|
|
|
10029 - Edit Step Ladders | 14766 |
22.86%
|
2661 |
64.71%
|
|
|
|
10030 - Computer Dialogue | 1044 |
27.49%
|
395 |
40.51%
|
|
|
|
10031 - Saskatchewan | 1238 |
7.03%
|
265 |
24.53%
|
|
|
|
10032 - Tug of War | 35517 |
14.14%
|
4935 |
45.47%
|
|
|
|
10033 - Interpreter | 36935 |
24.82%
|
6646 |
77.67%
|
|
|
|
10034 - Freckles | 50428 |
32.87%
|
11597 |
82.00%
|
|
|
|
10035 - Primary Arithmetic | 143237 |
29.48%
|
32195 |
87.21%
|
|
|
|
10036 - Divisibility | 25141 |
37.12%
|
5216 |
85.24%
|
|
|
|
10037 - Bridge | 26576 |
24.75%
|
5769 |
70.53%
|
|
|
|
10038 - Jolly Jumpers | 219472 |
27.97%
|
43990 |
84.02%
|
|
|
|
10039 - Railroads | 6225 |
28.88%
|
1377 |
75.31%
|
|
|
|
10040 - Ouroboros Snake | 3370 |
36.38%
|
660 |
60.30%
|
|
|
|
10041 - Vito's Family | 81030 |
43.54%
|
23826 |
88.07%
|
|
|
|
10042 - Smith Numbers | 21190 |
36.75%
|
5889 |
85.55%
|
|
|
|
10043 - Chainsaw Massacre | 5384 |
28.01%
|
769 |
67.23%
|
|
|
|
10044 - Erdos Numbers | 32517 |
19.62%
|
4384 |
70.42%
|
|
|
|
10045 - Echo | 2251 |
23.94%
|
439 |
46.24%
|
|
|
|
10046 - Fold-up Patterns | 133 |
20.30%
|
54 |
38.89%
|
|
|
|
10047 - The Monocycle | 11143 |
41.79%
|
2564 |
86.19%
|
|
|
|
10048 - Audiophobia | 27234 |
45.14%
|
7561 |
87.63%
|
|
|
|
10049 - Self-describing Sequence | 8166 |
51.93%
|
3450 |
87.91%
|
|
|
|
10050 - Hartals | 40029 |
60.23%
|
18390 |
94.48%
|
|
|
|
10051 - Tower of Cubes | 9711 |
37.66%
|
2727 |
83.98%
|
|
|
|
10052 - Inviting Politicians | 2546 |
7.82%
|
352 |
22.73%
|
|
|
|
10053 - Envelopes | 1284 |
18.30%
|
345 |
46.38%
|
|
|
|
10054 - The Necklace | 38113 |
26.02%
|
5436 |
70.90%
|
|
|
|
10055 - Hashmat the Brave Warrior | 359244 |
29.06%
|
71440 |
86.74%
|
|
|
|
10056 - What is the Probability ? | 16502 |
42.57%
|
4759 |
89.85%
|
|
|
|
10057 - A mid-summer night's dream. | 16945 |
37.44%
|
4271 |
83.63%
|
|
|
|
10058 - Jimmi's Riddles | 2499 |
36.69%
|
873 |
83.05%
|
|
|
|
10059 - The Hazard of CSE Department! | 493 |
2.03%
|
120 |
5.83%
|
|
|
|
10060 - A hole to catch a man | 3680 |
33.78%
|
1027 |
84.62%
|
|
|
|
10061 - How many zero's and how many digits ? | 10240 |
30.97%
|
2327 |
78.13%
|
|
|
|
10062 - Tell me the frequencies! | 63602 |
21.78%
|
12871 |
69.31%
|
|
|
|
10063 - Knuth's Permutation | 6510 |
42.30%
|
2352 |
72.49%
|
|
|
|
10064 - Traveling in another Dimension | 508 |
15.75%
|
155 |
40.00%
|
|
|
|
10065 - Useless Tile Packers | 8540 |
35.82%
|
2146 |
84.53%
|
|
|
|
10066 - The Twin Towers | 24558 |
47.26%
|
8466 |
90.31%
|
|
|
|
10067 - Playing with Wheels | 20357 |
42.53%
|
5726 |
89.12%
|
|
|
|
10068 - The Treasure Hunt | 1598 |
15.02%
|
366 |
42.08%
|
|
|
|
10069 - Distinct Subsequences | 19291 |
30.93%
|
4545 |
76.48%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 61381 |
15.26%
|
11876 |
54.94%
|
|
|
|
10071 - Back to High School Physics | 182767 |
47.40%
|
59968 |
93.43%
|
|
|
|
10072 - Bob Laptop Woolmer and Eddie Desktop Barlow | 1642 |
30.57%
|
529 |
58.98%
|
|
|
|
10073 - Constrained Exchange Sort | 1037 |
32.21%
|
189 |
55.56%
|
|
|
|
10074 - Take the Land | 14873 |
51.44%
|
4974 |
91.84%
|
|
|
|
10075 - Airlines | 3725 |
39.97%
|
1215 |
81.48%
|
|
|
|
10076 - The Bumpy Robot | 1135 |
27.22%
|
267 |
66.29%
|
|
|
|
10077 - The Stern-Brocot Number System | 15861 |
56.40%
|
6436 |
93.38%
|
|
|
|
10078 - The Art Gallery | 8906 |
46.59%
|
2713 |
90.16%
|
|
|
|
10079 - Pizza Cutting | 53512 |
44.49%
|
18499 |
94.18%
|
|
|
|
10080 - Gopher II | 16737 |
38.93%
|
3290 |
85.99%
|
|
|
|
10081 - Tight Words | 5375 |
52.67%
|
2223 |
90.55%
|
|
|
|
10082 - WERTYU | 108922 |
40.56%
|
30185 |
90.64%
|
|
|
|
10083 - Division | 20707 |
37.38%
|
1929 |
63.71%
|
|
|
|
10084 - Hotter Colder | 2211 |
36.18%
|
571 |
75.31%
|
|
|
|
10085 - The most distant state | 2384 |
46.69%
|
743 |
86.14%
|
|
|
|
10086 - Test the Rods | 2414 |
44.20%
|
767 |
87.22%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 598 |
29.26%
|
190 |
69.47%
|
|
|
|
10088 - Trees on My Island | 6596 |
37.67%
|
1629 |
87.66%
|
|
|
|
10089 - Repackaging | 4531 |
33.75%
|
1218 |
76.60%
|
|
|
|
10090 - Marbles | 20054 |
26.18%
|
4217 |
72.18%
|
|
|
|
10091 - The Valentine's Day | 1337 |
22.44%
|
338 |
67.16%
|
|
|
|
10092 - The Problem with the Problem Setter | 9448 |
40.21%
|
2215 |
84.29%
|
|
|
|
10093 - An Easy Problem! | 22834 |
25.43%
|
4885 |
71.01%
|
|
|
|
10094 - Place the Guards | 2479 |
29.61%
|
770 |
65.19%
|
|
|
|
10095 - Saving the Planet | 1089 |
18.82%
|
200 |
55.00%
|
|
|
|
10096 - The Richest Man of the Universe | 2402 |
3.00%
|
317 |
13.56%
|
|
|
|
10097 - The Color Game | 1480 |
51.49%
|
648 |
83.95%
|
|
|
|
10098 - Generating Fast | 26498 |
44.84%
|
8442 |
86.09%
|
|
|
|
10099 - The Tourist Guide | 35968 |
32.23%
|
7976 |
84.49%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |