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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36350 |
25.55%
|
8318 |
65.32%
|
|
|
|
10001 - Garden of Eden | 7155 |
41.08%
|
2547 |
72.87%
|
|
|
|
10002 - Center of Masses | 11673 |
29.31%
|
2406 |
68.50%
|
|
|
|
10003 - Cutting Sticks | 59270 |
48.60%
|
15443 |
90.03%
|
|
|
|
10004 - Bicoloring | 87001 |
50.17%
|
23129 |
90.92%
|
|
|
|
10005 - Packing polygons | 12629 |
20.00%
|
2815 |
54.17%
|
|
|
|
10006 - Carmichael Numbers | 45445 |
38.03%
|
10955 |
85.39%
|
|
|
|
10007 - Count the Trees | 9156 |
44.92%
|
3596 |
77.86%
|
|
|
|
10008 - What's Cryptanalysis? | 44552 |
57.32%
|
18022 |
94.01%
|
|
|
|
10009 - All Roads Lead Where? | 15906 |
34.78%
|
4450 |
82.49%
|
|
|
|
10010 - Where's Waldorf? | 46730 |
32.05%
|
12133 |
82.79%
|
|
|
|
10011 - Where Can You Hide? | 4167 |
10.63%
|
600 |
40.50%
|
|
|
|
10012 - How Big Is It? | 11799 |
30.80%
|
2656 |
70.11%
|
|
|
|
10013 - Super long sums | 54487 |
27.79%
|
10172 |
67.46%
|
|
|
|
10014 - Simple calculations | 12781 |
31.79%
|
4121 |
70.91%
|
|
|
|
10015 - Joseph's Cousin | 10172 |
31.12%
|
3582 |
54.02%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 3026 |
47.52%
|
1299 |
79.91%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 6997 |
24.65%
|
1876 |
56.72%
|
|
|
|
10018 - Reverse and Add | 107048 |
42.82%
|
28801 |
88.96%
|
|
|
|
10019 - Funny Encryption Method | 24220 |
70.57%
|
12759 |
96.29%
|
|
|
10020 - Minimal coverage | 29410 |
27.78%
|
5504 |
69.04%
|
|
|
|
10021 - Cube in the labirint | 1778 |
23.73%
|
513 |
65.11%
|
|
|
|
10022 - Delta-wave | 2581 |
30.10%
|
984 |
64.63%
|
|
|
|
10023 - Square root | 49183 |
22.93%
|
6364 |
31.96%
|
|
|
|
10024 - Curling up the cube | 2199 |
25.42%
|
683 |
56.22%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17726 |
28.61%
|
4478 |
77.76%
|
|
|
|
10026 - Shoemaker's Problem | 39517 |
34.34%
|
9656 |
83.92%
|
|
|
|
10027 - Language Cardinality | 2562 |
13.58%
|
509 |
52.46%
|
|
|
|
10028 - Demerit Points | 1565 |
24.66%
|
423 |
59.34%
|
|
|
|
10029 - Edit Step Ladders | 14967 |
23.10%
|
2689 |
64.78%
|
|
|
|
10030 - Computer Dialogue | 1055 |
27.49%
|
398 |
40.45%
|
|
|
|
10031 - Saskatchewan | 1261 |
7.30%
|
271 |
25.09%
|
|
|
|
10032 - Tug of War | 35912 |
14.22%
|
4990 |
45.71%
|
|
|
|
10033 - Interpreter | 37859 |
25.23%
|
6968 |
78.24%
|
|
|
|
10034 - Freckles | 51564 |
33.00%
|
11702 |
82.05%
|
|
|
|
10035 - Primary Arithmetic | 149782 |
29.82%
|
33265 |
87.52%
|
|
|
|
10036 - Divisibility | 27149 |
37.59%
|
5380 |
85.37%
|
|
|
|
10037 - Bridge | 27580 |
25.28%
|
6061 |
71.39%
|
|
|
|
10038 - Jolly Jumpers | 226304 |
28.34%
|
45392 |
84.25%
|
|
|
|
10039 - Railroads | 6424 |
28.81%
|
1404 |
75.64%
|
|
|
|
10040 - Ouroboros Snake | 3477 |
35.92%
|
677 |
60.41%
|
|
|
|
10041 - Vito's Family | 85157 |
44.13%
|
24956 |
88.42%
|
|
|
|
10042 - Smith Numbers | 21708 |
36.97%
|
5965 |
85.73%
|
|
|
|
10043 - Chainsaw Massacre | 5452 |
27.88%
|
777 |
67.31%
|
|
|
|
10044 - Erdos Numbers | 33586 |
20.17%
|
4654 |
71.51%
|
|
|
|
10045 - Echo | 2272 |
23.99%
|
446 |
46.41%
|
|
|
|
10046 - Fold-up Patterns | 136 |
19.85%
|
57 |
36.84%
|
|
|
|
10047 - The Monocycle | 11474 |
41.59%
|
2606 |
86.11%
|
|
|
|
10048 - Audiophobia | 28283 |
45.12%
|
7687 |
87.64%
|
|
|
|
10049 - Self-describing Sequence | 8431 |
51.79%
|
3517 |
87.75%
|
|
|
|
10050 - Hartals | 42244 |
60.46%
|
19318 |
94.62%
|
|
|
|
10051 - Tower of Cubes | 10022 |
37.70%
|
2754 |
83.99%
|
|
|
|
10052 - Inviting Politicians | 2553 |
7.79%
|
356 |
22.47%
|
|
|
|
10053 - Envelopes | 1286 |
18.35%
|
347 |
46.40%
|
|
|
|
10054 - The Necklace | 39485 |
26.29%
|
5552 |
71.22%
|
|
|
|
10055 - Hashmat the Brave Warrior | 369087 |
29.12%
|
72488 |
86.80%
|
|
|
|
10056 - What is the Probability ? | 18262 |
42.40%
|
5071 |
90.14%
|
|
|
|
10057 - A mid-summer night's dream. | 18767 |
38.05%
|
4622 |
84.42%
|
|
|
|
10058 - Jimmi's Riddles | 2532 |
36.73%
|
887 |
82.86%
|
|
|
|
10059 - The Hazard of CSE Department! | 550 |
1.82%
|
130 |
5.38%
|
|
|
|
10060 - A hole to catch a man | 3739 |
33.86%
|
1035 |
84.64%
|
|
|
|
10061 - How many zero's and how many digits ? | 10369 |
30.90%
|
2336 |
78.17%
|
|
|
|
10062 - Tell me the frequencies! | 66728 |
22.10%
|
13221 |
69.78%
|
|
|
|
10063 - Knuth's Permutation | 6750 |
42.30%
|
2382 |
72.25%
|
|
|
|
10064 - Traveling in another Dimension | 525 |
15.43%
|
159 |
39.62%
|
|
|
|
10065 - Useless Tile Packers | 8627 |
35.88%
|
2153 |
84.53%
|
|
|
|
10066 - The Twin Towers | 25124 |
47.21%
|
8539 |
90.32%
|
|
|
|
10067 - Playing with Wheels | 20477 |
42.67%
|
5758 |
89.16%
|
|
|
|
10068 - The Treasure Hunt | 1600 |
15.06%
|
367 |
42.23%
|
|
|
|
10069 - Distinct Subsequences | 19710 |
31.27%
|
4605 |
76.46%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 62139 |
15.32%
|
11951 |
54.97%
|
|
|
|
10071 - Back to High School Physics | 191019 |
47.14%
|
61145 |
93.43%
|
|
|
|
10072 - Bob Laptop Woolmer and Eddie Desktop Barlow | 1651 |
30.47%
|
532 |
58.83%
|
|
|
|
10073 - Constrained Exchange Sort | 1050 |
32.67%
|
192 |
55.73%
|
|
|
|
10074 - Take the Land | 15194 |
51.50%
|
5040 |
91.87%
|
|
|
|
10075 - Airlines | 3763 |
39.99%
|
1225 |
81.55%
|
|
|
|
10076 - The Bumpy Robot | 1138 |
27.24%
|
268 |
66.42%
|
|
|
|
10077 - The Stern-Brocot Number System | 16446 |
56.51%
|
6657 |
93.38%
|
|
|
|
10078 - The Art Gallery | 9221 |
46.87%
|
2742 |
90.15%
|
|
|
|
10079 - Pizza Cutting | 54768 |
44.28%
|
18568 |
94.17%
|
|
|
|
10080 - Gopher II | 16954 |
38.91%
|
3338 |
86.07%
|
|
|
|
10081 - Tight Words | 5634 |
51.99%
|
2277 |
90.34%
|
|
|
|
10082 - WERTYU | 111447 |
40.75%
|
30999 |
90.71%
|
|
|
|
10083 - Division | 25038 |
40.41%
|
2018 |
64.77%
|
|
|
|
10084 - Hotter Colder | 2238 |
36.42%
|
583 |
75.30%
|
|
|
|
10085 - The most distant state | 2406 |
46.80%
|
749 |
86.25%
|
|
|
|
10086 - Test the Rods | 2436 |
44.42%
|
775 |
87.23%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 601 |
29.28%
|
191 |
69.63%
|
|
|
|
10088 - Trees on My Island | 6674 |
37.86%
|
1640 |
87.74%
|
|
|
|
10089 - Repackaging | 4573 |
33.79%
|
1232 |
76.62%
|
|
|
|
10090 - Marbles | 20772 |
26.39%
|
4297 |
72.33%
|
|
|
|
10091 - The Valentine's Day | 1350 |
22.37%
|
346 |
65.90%
|
|
|
|
10092 - The Problem with the Problem Setter | 9590 |
40.41%
|
2240 |
84.33%
|
|
|
|
10093 - An Easy Problem! | 25921 |
25.35%
|
5213 |
71.72%
|
|
|
|
10094 - Place the Guards | 2527 |
29.48%
|
778 |
64.91%
|
|
|
|
10095 - Saving the Planet | 1093 |
18.85%
|
201 |
55.22%
|
|
|
|
10096 - The Richest Man of the Universe | 2413 |
3.11%
|
322 |
13.98%
|
|
|
|
10097 - The Color Game | 1483 |
51.58%
|
650 |
84.00%
|
|
|
|
10098 - Generating Fast | 26719 |
44.95%
|
8467 |
86.12%
|
|
|
|
10099 - The Tourist Guide | 36991 |
32.32%
|
8078 |
84.51%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |