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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36494 |
25.61%
|
8358 |
65.39%
|
|
|
|
10001 - Garden of Eden | 7205 |
41.10%
|
2560 |
72.77%
|
|
|
|
10002 - Center of Masses | 11706 |
29.31%
|
2413 |
68.46%
|
|
|
|
10003 - Cutting Sticks | 60172 |
48.72%
|
15538 |
90.04%
|
|
|
|
10004 - Bicoloring | 87933 |
50.37%
|
23220 |
90.95%
|
|
|
|
10005 - Packing polygons | 12705 |
20.09%
|
2823 |
54.20%
|
|
|
|
10006 - Carmichael Numbers | 45563 |
38.03%
|
10976 |
85.39%
|
|
|
|
10007 - Count the Trees | 9219 |
45.02%
|
3613 |
77.91%
|
|
|
|
10008 - What's Cryptanalysis? | 45426 |
57.51%
|
18219 |
94.07%
|
|
|
|
10009 - All Roads Lead Where? | 15964 |
34.79%
|
4461 |
82.49%
|
|
|
|
10010 - Where's Waldorf? | 47042 |
32.19%
|
12212 |
82.85%
|
|
|
|
10011 - Where Can You Hide? | 4234 |
10.68%
|
616 |
40.75%
|
|
|
|
10012 - How Big Is It? | 11871 |
30.87%
|
2673 |
70.18%
|
|
|
|
10013 - Super long sums | 54537 |
27.81%
|
10183 |
67.48%
|
|
|
|
10014 - Simple calculations | 12799 |
31.82%
|
4128 |
70.93%
|
|
|
|
10015 - Joseph's Cousin | 10269 |
31.22%
|
3602 |
54.25%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 3035 |
47.48%
|
1303 |
79.89%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 7130 |
24.47%
|
1882 |
56.75%
|
|
|
|
10018 - Reverse and Add | 107472 |
42.89%
|
28844 |
88.98%
|
|
|
|
10019 - Funny Encryption Method | 24580 |
70.66%
|
12863 |
96.32%
|
|
|
10020 - Minimal coverage | 29667 |
27.98%
|
5551 |
69.19%
|
|
|
|
10021 - Cube in the labirint | 1789 |
23.64%
|
515 |
64.85%
|
|
|
|
10022 - Delta-wave | 2585 |
30.10%
|
986 |
64.60%
|
|
|
|
10023 - Square root | 50774 |
23.11%
|
6436 |
32.69%
|
|
|
|
10024 - Curling up the cube | 2250 |
25.78%
|
693 |
56.71%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17840 |
28.63%
|
4485 |
77.77%
|
|
|
|
10026 - Shoemaker's Problem | 39842 |
34.39%
|
9692 |
83.91%
|
|
|
|
10027 - Language Cardinality | 2590 |
13.63%
|
512 |
52.34%
|
|
|
|
10028 - Demerit Points | 1586 |
24.46%
|
426 |
59.15%
|
|
|
|
10029 - Edit Step Ladders | 15008 |
23.12%
|
2698 |
64.75%
|
|
|
|
10030 - Computer Dialogue | 1059 |
27.57%
|
401 |
40.65%
|
|
|
|
10031 - Saskatchewan | 1262 |
7.29%
|
272 |
25.00%
|
|
|
|
10032 - Tug of War | 36062 |
14.29%
|
5010 |
45.91%
|
|
|
|
10033 - Interpreter | 38418 |
25.43%
|
7084 |
78.47%
|
|
|
|
10034 - Freckles | 52407 |
33.18%
|
11750 |
82.08%
|
|
|
|
10035 - Primary Arithmetic | 151735 |
29.91%
|
33495 |
87.60%
|
|
|
|
10036 - Divisibility | 27835 |
37.74%
|
5426 |
85.46%
|
|
|
|
10037 - Bridge | 27740 |
25.33%
|
6080 |
71.43%
|
|
|
|
10038 - Jolly Jumpers | 228247 |
28.48%
|
45706 |
84.32%
|
|
|
|
10039 - Railroads | 6451 |
28.80%
|
1411 |
75.48%
|
|
|
|
10040 - Ouroboros Snake | 3486 |
35.94%
|
680 |
60.44%
|
|
|
|
10041 - Vito's Family | 86329 |
44.31%
|
25189 |
88.49%
|
|
|
|
10042 - Smith Numbers | 21834 |
37.00%
|
5987 |
85.75%
|
|
|
|
10043 - Chainsaw Massacre | 5458 |
27.90%
|
779 |
67.27%
|
|
|
|
10044 - Erdos Numbers | 33895 |
20.33%
|
4679 |
71.55%
|
|
|
|
10045 - Echo | 2273 |
23.98%
|
447 |
46.31%
|
|
|
|
10046 - Fold-up Patterns | 138 |
19.57%
|
59 |
35.59%
|
|
|
|
10047 - The Monocycle | 11650 |
41.68%
|
2617 |
86.17%
|
|
|
|
10048 - Audiophobia | 28556 |
45.11%
|
7715 |
87.65%
|
|
|
|
10049 - Self-describing Sequence | 8475 |
51.75%
|
3531 |
87.71%
|
|
|
|
10050 - Hartals | 42768 |
60.62%
|
19481 |
94.66%
|
|
|
|
10051 - Tower of Cubes | 10082 |
37.74%
|
2764 |
83.94%
|
|
|
|
10052 - Inviting Politicians | 2666 |
7.46%
|
358 |
22.35%
|
|
|
|
10053 - Envelopes | 1291 |
18.44%
|
351 |
46.15%
|
|
|
|
10054 - The Necklace | 39927 |
26.38%
|
5573 |
71.27%
|
|
|
|
10055 - Hashmat the Brave Warrior | 371028 |
29.20%
|
72744 |
86.83%
|
|
|
|
10056 - What is the Probability ? | 19139 |
42.50%
|
5238 |
90.38%
|
|
|
|
10057 - A mid-summer night's dream. | 19487 |
38.39%
|
4740 |
84.70%
|
|
|
|
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 ? | 10425 |
31.02%
|
2341 |
78.17%
|
|
|
|
10062 - Tell me the frequencies! | 67571 |
22.37%
|
13359 |
70.04%
|
|
|
|
10063 - Knuth's Permutation | 6769 |
42.22%
|
2389 |
72.16%
|
|
|
|
10064 - Traveling in another Dimension | 553 |
15.01%
|
162 |
39.51%
|
|
|
|
10065 - Useless Tile Packers | 8673 |
35.97%
|
2159 |
84.53%
|
|
|
|
10066 - The Twin Towers | 25233 |
47.19%
|
8555 |
90.30%
|
|
|
|
10067 - Playing with Wheels | 20519 |
42.70%
|
5770 |
89.17%
|
|
|
|
10068 - The Treasure Hunt | 1604 |
15.09%
|
369 |
42.28%
|
|
|
|
10069 - Distinct Subsequences | 19845 |
31.36%
|
4612 |
76.45%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 62566 |
15.33%
|
11960 |
54.98%
|
|
|
|
10071 - Back to High School Physics | 192547 |
47.16%
|
61422 |
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 | 15245 |
51.49%
|
5051 |
91.86%
|
|
|
|
10075 - Airlines | 3795 |
40.21%
|
1232 |
81.49%
|
|
|
|
10076 - The Bumpy Robot | 1141 |
27.34%
|
271 |
66.42%
|
|
|
|
10077 - The Stern-Brocot Number System | 16522 |
56.49%
|
6685 |
93.37%
|
|
|
|
10078 - The Art Gallery | 9444 |
47.00%
|
2759 |
90.18%
|
|
|
|
10079 - Pizza Cutting | 55272 |
44.36%
|
18652 |
94.18%
|
|
|
|
10080 - Gopher II | 17010 |
38.91%
|
3350 |
86.06%
|
|
|
|
10081 - Tight Words | 5692 |
51.99%
|
2288 |
90.34%
|
|
|
|
10082 - WERTYU | 112168 |
40.78%
|
31113 |
90.71%
|
|
|
|
10083 - Division | 25066 |
40.39%
|
2022 |
64.74%
|
|
|
|
10084 - Hotter Colder | 2261 |
36.58%
|
590 |
75.25%
|
|
|
|
10085 - The most distant state | 2437 |
46.98%
|
750 |
86.13%
|
|
|
|
10086 - Test the Rods | 2439 |
44.44%
|
777 |
87.13%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 603 |
29.19%
|
192 |
69.27%
|
|
|
|
10088 - Trees on My Island | 6743 |
38.16%
|
1654 |
87.79%
|
|
|
|
10089 - Repackaging | 4607 |
33.69%
|
1236 |
76.62%
|
|
|
|
10090 - Marbles | 20995 |
26.53%
|
4314 |
72.35%
|
|
|
|
10091 - The Valentine's Day | 1354 |
22.30%
|
349 |
65.33%
|
|
|
|
10092 - The Problem with the Problem Setter | 9621 |
40.52%
|
2245 |
84.32%
|
|
|
|
10093 - An Easy Problem! | 26953 |
25.64%
|
5350 |
72.26%
|
|
|
|
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 | 26782 |
44.99%
|
8475 |
86.14%
|
|
|
|
10099 - The Tourist Guide | 37415 |
32.43%
|
8119 |
84.55%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |