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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 35843 |
25.35%
|
8240 |
65.13%
|
|
|
|
10001 - Garden of Eden | 7001 |
40.69%
|
2511 |
72.68%
|
|
|
|
10002 - Center of Masses | 11555 |
29.22%
|
2391 |
68.38%
|
|
|
|
10003 - Cutting Sticks | 57350 |
48.50%
|
15169 |
90.00%
|
|
|
|
10004 - Bicoloring | 85201 |
49.94%
|
22912 |
90.88%
|
|
|
|
10005 - Packing polygons | 12174 |
19.80%
|
2781 |
53.90%
|
|
|
|
10006 - Carmichael Numbers | 45102 |
37.94%
|
10886 |
85.34%
|
|
|
|
10007 - Count the Trees | 8908 |
44.93%
|
3549 |
77.71%
|
|
|
|
10008 - What's Cryptanalysis? | 43059 |
57.43%
|
17751 |
93.97%
|
|
|
|
10009 - All Roads Lead Where? | 15691 |
34.60%
|
4409 |
82.40%
|
|
|
|
10010 - Where's Waldorf? | 45731 |
31.58%
|
11702 |
82.38%
|
|
|
|
10011 - Where Can You Hide? | 4151 |
10.67%
|
596 |
40.77%
|
|
|
|
10012 - How Big Is It? | 11395 |
30.50%
|
2631 |
69.94%
|
|
|
|
10013 - Super long sums | 53983 |
27.67%
|
10136 |
67.37%
|
|
|
|
10014 - Simple calculations | 12684 |
31.81%
|
4102 |
70.87%
|
|
|
|
10015 - Joseph's Cousin | 9896 |
30.77%
|
3545 |
53.57%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 2988 |
47.49%
|
1286 |
79.94%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 6826 |
25.05%
|
1871 |
56.65%
|
|
|
|
10018 - Reverse and Add | 105494 |
42.65%
|
28239 |
88.81%
|
|
|
|
10019 - Funny Encryption Method | 23310 |
70.48%
|
12560 |
96.25%
|
|
|
10020 - Minimal coverage | 28765 |
27.40%
|
5417 |
68.76%
|
|
|
|
10021 - Cube in the labirint | 1700 |
23.29%
|
502 |
64.94%
|
|
|
|
10022 - Delta-wave | 2540 |
30.08%
|
977 |
64.38%
|
|
|
|
10023 - Square root | 47973 |
22.65%
|
6277 |
31.21%
|
|
|
|
10024 - Curling up the cube | 2159 |
25.01%
|
676 |
56.07%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17668 |
28.58%
|
4462 |
77.72%
|
|
|
|
10026 - Shoemaker's Problem | 38687 |
34.01%
|
9351 |
83.64%
|
|
|
|
10027 - Language Cardinality | 2560 |
13.59%
|
507 |
52.66%
|
|
|
|
10028 - Demerit Points | 1555 |
24.69%
|
419 |
59.43%
|
|
|
|
10029 - Edit Step Ladders | 14772 |
22.89%
|
2662 |
64.73%
|
|
|
|
10030 - Computer Dialogue | 1052 |
27.57%
|
396 |
40.66%
|
|
|
|
10031 - Saskatchewan | 1258 |
7.31%
|
270 |
25.19%
|
|
|
|
10032 - Tug of War | 35592 |
14.14%
|
4944 |
45.49%
|
|
|
|
10033 - Interpreter | 37013 |
24.83%
|
6672 |
77.59%
|
|
|
|
10034 - Freckles | 50627 |
32.91%
|
11623 |
82.01%
|
|
|
|
10035 - Primary Arithmetic | 145687 |
29.48%
|
32429 |
87.28%
|
|
|
|
10036 - Divisibility | 25677 |
37.23%
|
5254 |
85.23%
|
|
|
|
10037 - Bridge | 26778 |
24.77%
|
5793 |
70.59%
|
|
|
|
10038 - Jolly Jumpers | 221294 |
28.01%
|
44250 |
84.02%
|
|
|
|
10039 - Railroads | 6247 |
28.97%
|
1384 |
75.43%
|
|
|
|
10040 - Ouroboros Snake | 3375 |
36.44%
|
663 |
60.33%
|
|
|
|
10041 - Vito's Family | 82392 |
43.64%
|
24116 |
88.15%
|
|
|
|
10042 - Smith Numbers | 21295 |
36.81%
|
5902 |
85.58%
|
|
|
|
10043 - Chainsaw Massacre | 5392 |
28.04%
|
772 |
67.23%
|
|
|
|
10044 - Erdos Numbers | 32729 |
19.79%
|
4431 |
70.46%
|
|
|
|
10045 - Echo | 2251 |
23.94%
|
439 |
46.24%
|
|
|
|
10046 - Fold-up Patterns | 133 |
20.30%
|
54 |
38.89%
|
|
|
|
10047 - The Monocycle | 11253 |
41.83%
|
2587 |
86.16%
|
|
|
|
10048 - Audiophobia | 27640 |
45.08%
|
7602 |
87.62%
|
|
|
|
10049 - Self-describing Sequence | 8227 |
52.02%
|
3457 |
87.94%
|
|
|
|
10050 - Hartals | 40763 |
60.18%
|
18632 |
94.50%
|
|
|
|
10051 - Tower of Cubes | 9862 |
37.64%
|
2733 |
83.90%
|
|
|
|
10052 - Inviting Politicians | 2546 |
7.82%
|
352 |
22.73%
|
|
|
|
10053 - Envelopes | 1285 |
18.37%
|
346 |
46.53%
|
|
|
|
10054 - The Necklace | 38465 |
26.12%
|
5471 |
70.99%
|
|
|
|
10055 - Hashmat the Brave Warrior | 362956 |
29.07%
|
71865 |
86.76%
|
|
|
|
10056 - What is the Probability ? | 17109 |
42.59%
|
4835 |
89.97%
|
|
|
|
10057 - A mid-summer night's dream. | 17772 |
37.65%
|
4442 |
83.97%
|
|
|
|
10058 - Jimmi's Riddles | 2512 |
36.70%
|
877 |
83.01%
|
|
|
|
10059 - The Hazard of CSE Department! | 493 |
2.03%
|
120 |
5.83%
|
|
|
|
10060 - A hole to catch a man | 3683 |
33.80%
|
1029 |
84.65%
|
|
|
|
10061 - How many zero's and how many digits ? | 10322 |
30.90%
|
2330 |
78.15%
|
|
|
|
10062 - Tell me the frequencies! | 64712 |
21.94%
|
13043 |
69.56%
|
|
|
|
10063 - Knuth's Permutation | 6626 |
42.41%
|
2363 |
72.45%
|
|
|
|
10064 - Traveling in another Dimension | 508 |
15.75%
|
155 |
40.00%
|
|
|
|
10065 - Useless Tile Packers | 8554 |
35.80%
|
2147 |
84.54%
|
|
|
|
10066 - The Twin Towers | 24724 |
47.32%
|
8488 |
90.30%
|
|
|
|
10067 - Playing with Wheels | 20413 |
42.60%
|
5731 |
89.13%
|
|
|
|
10068 - The Treasure Hunt | 1600 |
15.06%
|
367 |
42.23%
|
|
|
|
10069 - Distinct Subsequences | 19563 |
31.18%
|
4586 |
76.43%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 61600 |
15.25%
|
11909 |
54.93%
|
|
|
|
10071 - Back to High School Physics | 185893 |
47.29%
|
60421 |
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 | 15026 |
51.41%
|
4998 |
91.82%
|
|
|
|
10075 - Airlines | 3744 |
39.88%
|
1218 |
81.53%
|
|
|
|
10076 - The Bumpy Robot | 1138 |
27.24%
|
268 |
66.42%
|
|
|
|
10077 - The Stern-Brocot Number System | 15984 |
56.33%
|
6453 |
93.37%
|
|
|
|
10078 - The Art Gallery | 9046 |
46.69%
|
2718 |
90.18%
|
|
|
|
10079 - Pizza Cutting | 53623 |
44.51%
|
18519 |
94.20%
|
|
|
|
10080 - Gopher II | 16754 |
38.95%
|
3296 |
85.98%
|
|
|
|
10081 - Tight Words | 5457 |
52.41%
|
2242 |
90.54%
|
|
|
|
10082 - WERTYU | 109521 |
40.56%
|
30295 |
90.61%
|
|
|
|
10083 - Division | 20718 |
37.39%
|
1933 |
63.63%
|
|
|
|
10084 - Hotter Colder | 2213 |
36.20%
|
572 |
75.35%
|
|
|
|
10085 - The most distant state | 2395 |
46.81%
|
745 |
86.17%
|
|
|
|
10086 - Test the Rods | 2418 |
44.25%
|
769 |
87.26%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 598 |
29.26%
|
190 |
69.47%
|
|
|
|
10088 - Trees on My Island | 6616 |
37.73%
|
1634 |
87.70%
|
|
|
|
10089 - Repackaging | 4534 |
33.77%
|
1220 |
76.64%
|
|
|
|
10090 - Marbles | 20241 |
26.17%
|
4229 |
72.19%
|
|
|
|
10091 - The Valentine's Day | 1347 |
22.42%
|
343 |
66.47%
|
|
|
|
10092 - The Problem with the Problem Setter | 9484 |
40.18%
|
2222 |
84.20%
|
|
|
|
10093 - An Easy Problem! | 23679 |
25.49%
|
4966 |
71.12%
|
|
|
|
10094 - Place the Guards | 2485 |
29.62%
|
772 |
65.16%
|
|
|
|
10095 - Saving the Planet | 1089 |
18.82%
|
200 |
55.00%
|
|
|
|
10096 - The Richest Man of the Universe | 2413 |
3.11%
|
322 |
13.98%
|
|
|
|
10097 - The Color Game | 1482 |
51.55%
|
649 |
83.98%
|
|
|
|
10098 - Generating Fast | 26605 |
44.89%
|
8448 |
86.10%
|
|
|
|
10099 - The Tourist Guide | 36369 |
32.21%
|
7996 |
84.49%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |