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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36356 |
25.54%
|
8321 |
65.30%
|
|
|
|
10001 - Garden of Eden | 7158 |
41.06%
|
2549 |
72.81%
|
|
|
|
10002 - Center of Masses | 11673 |
29.31%
|
2406 |
68.50%
|
|
|
|
10003 - Cutting Sticks | 59376 |
48.59%
|
15450 |
90.03%
|
|
|
|
10004 - Bicoloring | 87365 |
50.21%
|
23136 |
90.92%
|
|
|
|
10005 - Packing polygons | 12665 |
20.03%
|
2818 |
54.19%
|
|
|
|
10006 - Carmichael Numbers | 45462 |
38.02%
|
10956 |
85.39%
|
|
|
|
10007 - Count the Trees | 9164 |
44.95%
|
3599 |
77.88%
|
|
|
|
10008 - What's Cryptanalysis? | 44619 |
57.34%
|
18033 |
94.02%
|
|
|
|
10009 - All Roads Lead Where? | 15931 |
34.79%
|
4455 |
82.49%
|
|
|
|
10010 - Where's Waldorf? | 46737 |
32.05%
|
12137 |
82.79%
|
|
|
|
10011 - Where Can You Hide? | 4167 |
10.63%
|
600 |
40.50%
|
|
|
|
10012 - How Big Is It? | 11804 |
30.82%
|
2658 |
70.13%
|
|
|
|
10013 - Super long sums | 54500 |
27.80%
|
10173 |
67.46%
|
|
|
|
10014 - Simple calculations | 12786 |
31.78%
|
4121 |
70.93%
|
|
|
|
10015 - Joseph's Cousin | 10185 |
31.15%
|
3586 |
54.07%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 3026 |
47.52%
|
1299 |
79.91%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 7028 |
24.56%
|
1878 |
56.71%
|
|
|
|
10018 - Reverse and Add | 107090 |
42.82%
|
28803 |
88.96%
|
|
|
|
10019 - Funny Encryption Method | 24238 |
70.57%
|
12767 |
96.30%
|
|
|
10020 - Minimal coverage | 29414 |
27.79%
|
5505 |
69.05%
|
|
|
|
10021 - Cube in the labirint | 1778 |
23.73%
|
513 |
65.11%
|
|
|
|
10022 - Delta-wave | 2581 |
30.10%
|
984 |
64.63%
|
|
|
|
10023 - Square root | 49191 |
22.93%
|
6365 |
31.97%
|
|
|
|
10024 - Curling up the cube | 2202 |
25.52%
|
684 |
56.29%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17729 |
28.62%
|
4479 |
77.76%
|
|
|
|
10026 - Shoemaker's Problem | 39547 |
34.35%
|
9658 |
83.92%
|
|
|
|
10027 - Language Cardinality | 2562 |
13.58%
|
509 |
52.46%
|
|
|
|
10028 - Demerit Points | 1565 |
24.66%
|
423 |
59.34%
|
|
|
|
10029 - Edit Step Ladders | 14975 |
23.09%
|
2691 |
64.73%
|
|
|
|
10030 - Computer Dialogue | 1055 |
27.49%
|
398 |
40.45%
|
|
|
|
10031 - Saskatchewan | 1261 |
7.30%
|
271 |
25.09%
|
|
|
|
10032 - Tug of War | 35921 |
14.23%
|
4992 |
45.71%
|
|
|
|
10033 - Interpreter | 37859 |
25.23%
|
6968 |
78.24%
|
|
|
|
10034 - Freckles | 51624 |
33.02%
|
11709 |
82.05%
|
|
|
|
10035 - Primary Arithmetic | 149929 |
29.84%
|
33323 |
87.55%
|
|
|
|
10036 - Divisibility | 27188 |
37.60%
|
5382 |
85.38%
|
|
|
|
10037 - Bridge | 27588 |
25.28%
|
6062 |
71.40%
|
|
|
|
10038 - Jolly Jumpers | 226340 |
28.34%
|
45400 |
84.25%
|
|
|
|
10039 - Railroads | 6428 |
28.80%
|
1406 |
75.53%
|
|
|
|
10040 - Ouroboros Snake | 3477 |
35.92%
|
677 |
60.41%
|
|
|
|
10041 - Vito's Family | 85227 |
44.14%
|
24984 |
88.42%
|
|
|
|
10042 - Smith Numbers | 21717 |
36.97%
|
5967 |
85.74%
|
|
|
|
10043 - Chainsaw Massacre | 5452 |
27.88%
|
777 |
67.31%
|
|
|
|
10044 - Erdos Numbers | 33589 |
20.17%
|
4655 |
71.51%
|
|
|
|
10045 - Echo | 2272 |
23.99%
|
446 |
46.41%
|
|
|
|
10046 - Fold-up Patterns | 136 |
19.85%
|
57 |
36.84%
|
|
|
|
10047 - The Monocycle | 11479 |
41.60%
|
2608 |
86.12%
|
|
|
|
10048 - Audiophobia | 28316 |
45.12%
|
7691 |
87.66%
|
|
|
|
10049 - Self-describing Sequence | 8431 |
51.79%
|
3517 |
87.75%
|
|
|
|
10050 - Hartals | 42257 |
60.46%
|
19324 |
94.62%
|
|
|
|
10051 - Tower of Cubes | 10037 |
37.71%
|
2754 |
83.99%
|
|
|
|
10052 - Inviting Politicians | 2553 |
7.79%
|
356 |
22.47%
|
|
|
|
10053 - Envelopes | 1286 |
18.35%
|
347 |
46.40%
|
|
|
|
10054 - The Necklace | 39526 |
26.30%
|
5557 |
71.24%
|
|
|
|
10055 - Hashmat the Brave Warrior | 369225 |
29.13%
|
72519 |
86.80%
|
|
|
|
10056 - What is the Probability ? | 18279 |
42.41%
|
5075 |
90.15%
|
|
|
|
10057 - A mid-summer night's dream. | 18851 |
38.09%
|
4649 |
84.51%
|
|
|
|
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 ? | 10370 |
30.91%
|
2336 |
78.17%
|
|
|
|
10062 - Tell me the frequencies! | 66838 |
22.16%
|
13274 |
69.92%
|
|
|
|
10063 - Knuth's Permutation | 6751 |
42.30%
|
2383 |
72.26%
|
|
|
|
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 | 25144 |
47.20%
|
8541 |
90.32%
|
|
|
|
10067 - Playing with Wheels | 20480 |
42.67%
|
5759 |
89.16%
|
|
|
|
10068 - The Treasure Hunt | 1600 |
15.06%
|
367 |
42.23%
|
|
|
|
10069 - Distinct Subsequences | 19736 |
31.31%
|
4605 |
76.46%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 62154 |
15.32%
|
11952 |
54.98%
|
|
|
|
10071 - Back to High School Physics | 191221 |
47.13%
|
61188 |
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 | 16447 |
56.51%
|
6657 |
93.38%
|
|
|
|
10078 - The Art Gallery | 9221 |
46.87%
|
2742 |
90.15%
|
|
|
|
10079 - Pizza Cutting | 54770 |
44.29%
|
18568 |
94.17%
|
|
|
|
10080 - Gopher II | 16964 |
38.90%
|
3340 |
86.08%
|
|
|
|
10081 - Tight Words | 5634 |
51.99%
|
2277 |
90.34%
|
|
|
|
10082 - WERTYU | 111488 |
40.75%
|
31007 |
90.71%
|
|
|
|
10083 - Division | 25042 |
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 | 6679 |
37.85%
|
1640 |
87.74%
|
|
|
|
10089 - Repackaging | 4573 |
33.79%
|
1232 |
76.62%
|
|
|
|
10090 - Marbles | 20773 |
26.39%
|
4298 |
72.31%
|
|
|
|
10091 - The Valentine's Day | 1352 |
22.34%
|
347 |
65.71%
|
|
|
|
10092 - The Problem with the Problem Setter | 9590 |
40.41%
|
2240 |
84.33%
|
|
|
|
10093 - An Easy Problem! | 25999 |
25.34%
|
5218 |
71.73%
|
|
|
|
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 | 26720 |
44.95%
|
8468 |
86.12%
|
|
|
|
10099 - The Tourist Guide | 37021 |
32.34%
|
8078 |
84.51%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |