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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36455 |
25.58%
|
8351 |
65.37%
|
|
|
|
10001 - Garden of Eden | 7182 |
41.05%
|
2554 |
72.75%
|
|
|
|
10002 - Center of Masses | 11704 |
29.30%
|
2413 |
68.46%
|
|
|
|
10003 - Cutting Sticks | 59917 |
48.65%
|
15512 |
90.05%
|
|
|
|
10004 - Bicoloring | 87787 |
50.34%
|
23200 |
90.94%
|
|
|
|
10005 - Packing polygons | 12691 |
20.07%
|
2823 |
54.20%
|
|
|
|
10006 - Carmichael Numbers | 45517 |
38.02%
|
10965 |
85.38%
|
|
|
|
10007 - Count the Trees | 9201 |
45.02%
|
3609 |
77.89%
|
|
|
|
10008 - What's Cryptanalysis? | 45052 |
57.42%
|
18174 |
94.05%
|
|
|
|
10009 - All Roads Lead Where? | 15955 |
34.79%
|
4460 |
82.49%
|
|
|
|
10010 - Where's Waldorf? | 46905 |
32.12%
|
12169 |
82.81%
|
|
|
|
10011 - Where Can You Hide? | 4234 |
10.68%
|
616 |
40.75%
|
|
|
|
10012 - How Big Is It? | 11852 |
30.84%
|
2670 |
70.15%
|
|
|
|
10013 - Super long sums | 54533 |
27.81%
|
10181 |
67.47%
|
|
|
|
10014 - Simple calculations | 12797 |
31.81%
|
4127 |
70.92%
|
|
|
|
10015 - Joseph's Cousin | 10217 |
31.18%
|
3595 |
54.16%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 3035 |
47.48%
|
1303 |
79.89%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 7122 |
24.49%
|
1881 |
56.73%
|
|
|
|
10018 - Reverse and Add | 107275 |
42.85%
|
28825 |
88.96%
|
|
|
|
10019 - Funny Encryption Method | 24408 |
70.61%
|
12830 |
96.31%
|
|
|
10020 - Minimal coverage | 29583 |
27.90%
|
5541 |
69.12%
|
|
|
|
10021 - Cube in the labirint | 1786 |
23.68%
|
514 |
64.98%
|
|
|
|
10022 - Delta-wave | 2582 |
30.09%
|
985 |
64.57%
|
|
|
|
10023 - Square root | 50774 |
23.11%
|
6436 |
32.69%
|
|
|
|
10024 - Curling up the cube | 2240 |
25.71%
|
692 |
56.65%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17800 |
28.62%
|
4483 |
77.76%
|
|
|
|
10026 - Shoemaker's Problem | 39746 |
34.34%
|
9677 |
83.93%
|
|
|
|
10027 - Language Cardinality | 2585 |
13.66%
|
511 |
52.45%
|
|
|
|
10028 - Demerit Points | 1567 |
24.63%
|
425 |
59.06%
|
|
|
|
10029 - Edit Step Ladders | 15000 |
23.13%
|
2697 |
64.74%
|
|
|
|
10030 - Computer Dialogue | 1059 |
27.57%
|
401 |
40.65%
|
|
|
|
10031 - Saskatchewan | 1262 |
7.29%
|
272 |
25.00%
|
|
|
|
10032 - Tug of War | 35998 |
14.25%
|
5004 |
45.84%
|
|
|
|
10033 - Interpreter | 38235 |
25.34%
|
7016 |
78.32%
|
|
|
|
10034 - Freckles | 52305 |
33.16%
|
11737 |
82.07%
|
|
|
|
10035 - Primary Arithmetic | 150646 |
29.92%
|
33437 |
87.59%
|
|
|
|
10036 - Divisibility | 27551 |
37.71%
|
5411 |
85.40%
|
|
|
|
10037 - Bridge | 27681 |
25.29%
|
6068 |
71.37%
|
|
|
|
10038 - Jolly Jumpers | 227560 |
28.41%
|
45604 |
84.30%
|
|
|
|
10039 - Railroads | 6443 |
28.78%
|
1409 |
75.44%
|
|
|
|
10040 - Ouroboros Snake | 3486 |
35.94%
|
680 |
60.44%
|
|
|
|
10041 - Vito's Family | 85855 |
44.22%
|
25131 |
88.46%
|
|
|
|
10042 - Smith Numbers | 21791 |
36.98%
|
5979 |
85.75%
|
|
|
|
10043 - Chainsaw Massacre | 5458 |
27.90%
|
779 |
67.27%
|
|
|
|
10044 - Erdos Numbers | 33785 |
20.30%
|
4664 |
71.51%
|
|
|
|
10045 - Echo | 2273 |
23.98%
|
447 |
46.31%
|
|
|
|
10046 - Fold-up Patterns | 137 |
19.71%
|
58 |
36.21%
|
|
|
|
10047 - The Monocycle | 11634 |
41.68%
|
2617 |
86.17%
|
|
|
|
10048 - Audiophobia | 28487 |
45.12%
|
7710 |
87.65%
|
|
|
|
10049 - Self-describing Sequence | 8445 |
51.77%
|
3521 |
87.70%
|
|
|
|
10050 - Hartals | 42510 |
60.53%
|
19400 |
94.64%
|
|
|
|
10051 - Tower of Cubes | 10066 |
37.76%
|
2759 |
83.98%
|
|
|
|
10052 - Inviting Politicians | 2666 |
7.46%
|
358 |
22.35%
|
|
|
|
10053 - Envelopes | 1291 |
18.44%
|
351 |
46.15%
|
|
|
|
10054 - The Necklace | 39844 |
26.39%
|
5568 |
71.26%
|
|
|
|
10055 - Hashmat the Brave Warrior | 370261 |
29.16%
|
72680 |
86.82%
|
|
|
|
10056 - What is the Probability ? | 18860 |
42.39%
|
5200 |
90.37%
|
|
|
|
10057 - A mid-summer night's dream. | 19205 |
38.20%
|
4708 |
84.62%
|
|
|
|
10058 - Jimmi's Riddles | 2536 |
36.79%
|
891 |
82.83%
|
|
|
|
10059 - The Hazard of CSE Department! | 554 |
1.81%
|
132 |
5.30%
|
|
|
|
10060 - A hole to catch a man | 3757 |
33.88%
|
1038 |
84.59%
|
|
|
|
10061 - How many zero's and how many digits ? | 10410 |
30.95%
|
2339 |
78.15%
|
|
|
|
10062 - Tell me the frequencies! | 67319 |
22.27%
|
13334 |
69.98%
|
|
|
|
10063 - Knuth's Permutation | 6769 |
42.22%
|
2389 |
72.16%
|
|
|
|
10064 - Traveling in another Dimension | 550 |
14.73%
|
162 |
38.89%
|
|
|
|
10065 - Useless Tile Packers | 8665 |
35.95%
|
2157 |
84.52%
|
|
|
|
10066 - The Twin Towers | 25224 |
47.19%
|
8551 |
90.31%
|
|
|
|
10067 - Playing with Wheels | 20510 |
42.68%
|
5765 |
89.16%
|
|
|
|
10068 - The Treasure Hunt | 1601 |
15.05%
|
368 |
42.12%
|
|
|
|
10069 - Distinct Subsequences | 19833 |
31.36%
|
4609 |
76.46%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 62512 |
15.33%
|
11959 |
54.98%
|
|
|
|
10071 - Back to High School Physics | 192121 |
47.15%
|
61375 |
93.44%
|
|
|
|
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 | 15221 |
51.49%
|
5047 |
91.86%
|
|
|
|
10075 - Airlines | 3778 |
40.05%
|
1228 |
81.43%
|
|
|
|
10076 - The Bumpy Robot | 1141 |
27.34%
|
271 |
66.42%
|
|
|
|
10077 - The Stern-Brocot Number System | 16471 |
56.52%
|
6669 |
93.37%
|
|
|
|
10078 - The Art Gallery | 9247 |
46.89%
|
2752 |
90.15%
|
|
|
|
10079 - Pizza Cutting | 55170 |
44.34%
|
18629 |
94.18%
|
|
|
|
10080 - Gopher II | 17000 |
38.90%
|
3349 |
86.06%
|
|
|
|
10081 - Tight Words | 5669 |
51.97%
|
2285 |
90.33%
|
|
|
|
10082 - WERTYU | 111964 |
40.75%
|
31075 |
90.71%
|
|
|
|
10083 - Division | 25053 |
40.40%
|
2021 |
64.72%
|
|
|
|
10084 - Hotter Colder | 2261 |
36.58%
|
590 |
75.25%
|
|
|
|
10085 - The most distant state | 2407 |
46.78%
|
750 |
86.13%
|
|
|
|
10086 - Test the Rods | 2438 |
44.42%
|
777 |
87.13%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 603 |
29.19%
|
192 |
69.27%
|
|
|
|
10088 - Trees on My Island | 6728 |
38.08%
|
1650 |
87.76%
|
|
|
|
10089 - Repackaging | 4579 |
33.83%
|
1234 |
76.58%
|
|
|
|
10090 - Marbles | 20937 |
26.53%
|
4307 |
72.35%
|
|
|
|
10091 - The Valentine's Day | 1353 |
22.32%
|
348 |
65.52%
|
|
|
|
10092 - The Problem with the Problem Setter | 9616 |
40.52%
|
2244 |
84.31%
|
|
|
|
10093 - An Easy Problem! | 26577 |
25.48%
|
5325 |
72.15%
|
|
|
|
10094 - Place the Guards | 2528 |
29.47%
|
779 |
64.83%
|
|
|
|
10095 - Saving the Planet | 1095 |
18.90%
|
203 |
55.17%
|
|
|
|
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 | 26762 |
44.98%
|
8473 |
86.12%
|
|
|
|
10099 - The Tourist Guide | 37303 |
32.40%
|
8110 |
84.54%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |