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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36415 |
25.57%
|
8342 |
65.34%
|
|
|
|
10001 - Garden of Eden | 7166 |
41.03%
|
2552 |
72.77%
|
|
|
|
10002 - Center of Masses | 11684 |
29.30%
|
2409 |
68.45%
|
|
|
|
10003 - Cutting Sticks | 59532 |
48.60%
|
15463 |
90.02%
|
|
|
|
10004 - Bicoloring | 87466 |
50.22%
|
23149 |
90.92%
|
|
|
|
10005 - Packing polygons | 12681 |
20.05%
|
2822 |
54.18%
|
|
|
|
10006 - Carmichael Numbers | 45489 |
38.02%
|
10960 |
85.37%
|
|
|
|
10007 - Count the Trees | 9179 |
44.98%
|
3604 |
77.86%
|
|
|
|
10008 - What's Cryptanalysis? | 44809 |
57.35%
|
18106 |
94.03%
|
|
|
|
10009 - All Roads Lead Where? | 15946 |
34.79%
|
4458 |
82.48%
|
|
|
|
10010 - Where's Waldorf? | 46770 |
32.07%
|
12144 |
82.77%
|
|
|
|
10011 - Where Can You Hide? | 4234 |
10.68%
|
616 |
40.75%
|
|
|
|
10012 - How Big Is It? | 11820 |
30.84%
|
2665 |
70.09%
|
|
|
|
10013 - Super long sums | 54529 |
27.80%
|
10180 |
67.47%
|
|
|
|
10014 - Simple calculations | 12792 |
31.79%
|
4125 |
70.91%
|
|
|
|
10015 - Joseph's Cousin | 10197 |
31.16%
|
3589 |
54.08%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 3031 |
47.48%
|
1301 |
79.86%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 7064 |
24.66%
|
1880 |
56.76%
|
|
|
|
10018 - Reverse and Add | 107111 |
42.83%
|
28804 |
88.96%
|
|
|
|
10019 - Funny Encryption Method | 24277 |
70.57%
|
12783 |
96.30%
|
|
|
10020 - Minimal coverage | 29472 |
27.83%
|
5510 |
69.04%
|
|
|
|
10021 - Cube in the labirint | 1786 |
23.68%
|
514 |
64.98%
|
|
|
|
10022 - Delta-wave | 2582 |
30.09%
|
985 |
64.57%
|
|
|
|
10023 - Square root | 50354 |
23.04%
|
6433 |
32.66%
|
|
|
|
10024 - Curling up the cube | 2222 |
25.61%
|
688 |
56.40%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17783 |
28.62%
|
4481 |
77.75%
|
|
|
|
10026 - Shoemaker's Problem | 39561 |
34.35%
|
9661 |
83.91%
|
|
|
|
10027 - Language Cardinality | 2573 |
13.64%
|
511 |
52.45%
|
|
|
|
10028 - Demerit Points | 1566 |
24.65%
|
424 |
59.20%
|
|
|
|
10029 - Edit Step Ladders | 14980 |
23.10%
|
2695 |
64.71%
|
|
|
|
10030 - Computer Dialogue | 1056 |
27.46%
|
399 |
40.35%
|
|
|
|
10031 - Saskatchewan | 1262 |
7.29%
|
272 |
25.00%
|
|
|
|
10032 - Tug of War | 35958 |
14.23%
|
4997 |
45.79%
|
|
|
|
10033 - Interpreter | 37909 |
25.21%
|
6972 |
78.24%
|
|
|
|
10034 - Freckles | 51918 |
33.07%
|
11721 |
82.05%
|
|
|
|
10035 - Primary Arithmetic | 150106 |
29.85%
|
33347 |
87.55%
|
|
|
|
10036 - Divisibility | 27276 |
37.62%
|
5391 |
85.38%
|
|
|
|
10037 - Bridge | 27612 |
25.26%
|
6063 |
71.38%
|
|
|
|
10038 - Jolly Jumpers | 226852 |
28.35%
|
45428 |
84.26%
|
|
|
|
10039 - Railroads | 6440 |
28.76%
|
1409 |
75.44%
|
|
|
|
10040 - Ouroboros Snake | 3480 |
35.92%
|
679 |
60.24%
|
|
|
|
10041 - Vito's Family | 85449 |
44.15%
|
25019 |
88.42%
|
|
|
|
10042 - Smith Numbers | 21729 |
36.97%
|
5970 |
85.73%
|
|
|
|
10043 - Chainsaw Massacre | 5453 |
27.87%
|
778 |
67.22%
|
|
|
|
10044 - Erdos Numbers | 33734 |
20.30%
|
4658 |
71.51%
|
|
|
|
10045 - Echo | 2273 |
23.98%
|
447 |
46.31%
|
|
|
|
10046 - Fold-up Patterns | 137 |
19.71%
|
58 |
36.21%
|
|
|
|
10047 - The Monocycle | 11514 |
41.68%
|
2610 |
86.09%
|
|
|
|
10048 - Audiophobia | 28407 |
45.09%
|
7696 |
87.66%
|
|
|
|
10049 - Self-describing Sequence | 8432 |
51.78%
|
3518 |
87.72%
|
|
|
|
10050 - Hartals | 42342 |
60.46%
|
19346 |
94.62%
|
|
|
|
10051 - Tower of Cubes | 10046 |
37.72%
|
2756 |
83.96%
|
|
|
|
10052 - Inviting Politicians | 2556 |
7.79%
|
357 |
22.41%
|
|
|
|
10053 - Envelopes | 1287 |
18.34%
|
348 |
46.26%
|
|
|
|
10054 - The Necklace | 39590 |
26.33%
|
5561 |
71.25%
|
|
|
|
10055 - Hashmat the Brave Warrior | 369620 |
29.13%
|
72569 |
86.81%
|
|
|
|
10056 - What is the Probability ? | 18360 |
42.41%
|
5090 |
90.16%
|
|
|
|
10057 - A mid-summer night's dream. | 18929 |
38.11%
|
4669 |
84.56%
|
|
|
|
10058 - Jimmi's Riddles | 2533 |
36.72%
|
888 |
82.77%
|
|
|
|
10059 - The Hazard of CSE Department! | 551 |
1.81%
|
131 |
5.34%
|
|
|
|
10060 - A hole to catch a man | 3755 |
33.85%
|
1037 |
84.57%
|
|
|
|
10061 - How many zero's and how many digits ? | 10374 |
30.90%
|
2338 |
78.14%
|
|
|
|
10062 - Tell me the frequencies! | 66957 |
22.17%
|
13293 |
69.92%
|
|
|
|
10063 - Knuth's Permutation | 6752 |
42.30%
|
2384 |
72.23%
|
|
|
|
10064 - Traveling in another Dimension | 526 |
15.40%
|
160 |
39.38%
|
|
|
|
10065 - Useless Tile Packers | 8628 |
35.87%
|
2154 |
84.49%
|
|
|
|
10066 - The Twin Towers | 25177 |
47.20%
|
8543 |
90.31%
|
|
|
|
10067 - Playing with Wheels | 20482 |
42.67%
|
5761 |
89.15%
|
|
|
|
10068 - The Treasure Hunt | 1601 |
15.05%
|
368 |
42.12%
|
|
|
|
10069 - Distinct Subsequences | 19821 |
31.34%
|
4607 |
76.45%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 62190 |
15.31%
|
11956 |
54.97%
|
|
|
|
10071 - Back to High School Physics | 191606 |
47.13%
|
61232 |
93.43%
|
|
|
|
10072 - Bob Laptop Woolmer and Eddie Desktop Barlow | 1652 |
30.45%
|
533 |
58.72%
|
|
|
|
10073 - Constrained Exchange Sort | 1051 |
32.64%
|
193 |
55.44%
|
|
|
|
10074 - Take the Land | 15199 |
51.50%
|
5042 |
91.85%
|
|
|
|
10075 - Airlines | 3766 |
39.96%
|
1227 |
81.42%
|
|
|
|
10076 - The Bumpy Robot | 1139 |
27.22%
|
269 |
66.17%
|
|
|
|
10077 - The Stern-Brocot Number System | 16455 |
56.51%
|
6661 |
93.36%
|
|
|
|
10078 - The Art Gallery | 9245 |
46.88%
|
2751 |
90.15%
|
|
|
|
10079 - Pizza Cutting | 54826 |
44.30%
|
18573 |
94.17%
|
|
|
|
10080 - Gopher II | 16977 |
38.90%
|
3344 |
86.03%
|
|
|
|
10081 - Tight Words | 5651 |
51.92%
|
2282 |
90.32%
|
|
|
|
10082 - WERTYU | 111555 |
40.75%
|
31017 |
90.71%
|
|
|
|
10083 - Division | 25053 |
40.40%
|
2021 |
64.72%
|
|
|
|
10084 - Hotter Colder | 2253 |
36.44%
|
589 |
75.21%
|
|
|
|
10085 - The most distant state | 2407 |
46.78%
|
750 |
86.13%
|
|
|
|
10086 - Test the Rods | 2437 |
44.40%
|
776 |
87.11%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 603 |
29.19%
|
192 |
69.27%
|
|
|
|
10088 - Trees on My Island | 6687 |
37.85%
|
1642 |
87.70%
|
|
|
|
10089 - Repackaging | 4577 |
33.80%
|
1234 |
76.58%
|
|
|
|
10090 - Marbles | 20801 |
26.38%
|
4301 |
72.31%
|
|
|
|
10091 - The Valentine's Day | 1353 |
22.32%
|
348 |
65.52%
|
|
|
|
10092 - The Problem with the Problem Setter | 9599 |
40.42%
|
2242 |
84.30%
|
|
|
|
10093 - An Easy Problem! | 26082 |
25.36%
|
5229 |
71.77%
|
|
|
|
10094 - Place the Guards | 2528 |
29.47%
|
779 |
64.83%
|
|
|
|
10095 - Saving the Planet | 1094 |
18.83%
|
202 |
54.95%
|
|
|
|
10096 - The Richest Man of the Universe | 2414 |
3.11%
|
323 |
13.93%
|
|
|
|
10097 - The Color Game | 1484 |
51.55%
|
651 |
83.87%
|
|
|
|
10098 - Generating Fast | 26730 |
44.95%
|
8471 |
86.12%
|
|
|
|
10099 - The Tourist Guide | 37131 |
32.40%
|
8089 |
84.52%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |