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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36594 |
25.64%
|
8378 |
65.41%
|
|
|
|
10001 - Garden of Eden | 7245 |
41.08%
|
2567 |
72.89%
|
|
|
|
10002 - Center of Masses | 11743 |
29.38%
|
2419 |
68.54%
|
|
|
|
10003 - Cutting Sticks | 60563 |
48.75%
|
15583 |
90.04%
|
|
|
|
10004 - Bicoloring | 88308 |
50.48%
|
23249 |
90.96%
|
|
|
|
10005 - Packing polygons | 12717 |
20.11%
|
2828 |
54.28%
|
|
|
|
10006 - Carmichael Numbers | 45619 |
38.05%
|
10990 |
85.40%
|
|
|
|
10007 - Count the Trees | 9249 |
45.09%
|
3620 |
77.96%
|
|
|
|
10008 - What's Cryptanalysis? | 45745 |
57.59%
|
18259 |
94.09%
|
|
|
|
10009 - All Roads Lead Where? | 15982 |
34.81%
|
4465 |
82.51%
|
|
|
|
10010 - Where's Waldorf? | 47450 |
32.46%
|
12410 |
83.12%
|
|
|
|
10011 - Where Can You Hide? | 4251 |
10.70%
|
619 |
40.87%
|
|
|
|
10012 - How Big Is It? | 11933 |
30.94%
|
2686 |
70.33%
|
|
|
|
10013 - Super long sums | 54559 |
27.83%
|
10189 |
67.49%
|
|
|
|
10014 - Simple calculations | 12804 |
31.83%
|
4130 |
70.94%
|
|
|
|
10015 - Joseph's Cousin | 10303 |
31.32%
|
3608 |
54.30%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 3036 |
47.50%
|
1304 |
79.91%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 7154 |
24.43%
|
1883 |
56.77%
|
|
|
|
10018 - Reverse and Add | 107962 |
43.06%
|
29128 |
89.06%
|
|
|
|
10019 - Funny Encryption Method | 24831 |
70.72%
|
12892 |
96.32%
|
|
|
10020 - Minimal coverage | 29820 |
28.15%
|
5574 |
69.29%
|
|
|
|
10021 - Cube in the labirint | 1791 |
23.73%
|
516 |
64.92%
|
|
|
|
10022 - Delta-wave | 2615 |
29.94%
|
993 |
64.65%
|
|
|
|
10023 - Square root | 50802 |
23.12%
|
6441 |
32.76%
|
|
|
|
10024 - Curling up the cube | 2271 |
25.80%
|
698 |
56.88%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17855 |
28.61%
|
4488 |
77.74%
|
|
|
|
10026 - Shoemaker's Problem | 40249 |
34.71%
|
9890 |
84.17%
|
|
|
|
10027 - Language Cardinality | 2604 |
13.59%
|
516 |
52.13%
|
|
|
|
10028 - Demerit Points | 1586 |
24.46%
|
426 |
59.15%
|
|
|
|
10029 - Edit Step Ladders | 15018 |
23.15%
|
2703 |
64.82%
|
|
|
|
10030 - Computer Dialogue | 1060 |
27.64%
|
401 |
40.90%
|
|
|
|
10031 - Saskatchewan | 1270 |
7.40%
|
274 |
25.55%
|
|
|
|
10032 - Tug of War | 36147 |
14.30%
|
5023 |
45.99%
|
|
|
|
10033 - Interpreter | 38714 |
25.62%
|
7227 |
78.72%
|
|
|
|
10034 - Freckles | 52595 |
33.22%
|
11771 |
82.10%
|
|
|
|
10035 - Primary Arithmetic | 152701 |
30.11%
|
33844 |
87.72%
|
|
|
|
10036 - Divisibility | 27971 |
37.76%
|
5444 |
85.51%
|
|
|
|
10037 - Bridge | 27873 |
25.45%
|
6148 |
71.67%
|
|
|
|
10038 - Jolly Jumpers | 229039 |
28.59%
|
45990 |
84.40%
|
|
|
|
10039 - Railroads | 6494 |
28.75%
|
1417 |
75.44%
|
|
|
|
10040 - Ouroboros Snake | 3490 |
35.93%
|
681 |
60.35%
|
|
|
|
10041 - Vito's Family | 86926 |
44.52%
|
25460 |
88.59%
|
|
|
|
10042 - Smith Numbers | 21917 |
37.06%
|
6010 |
85.79%
|
|
|
|
10043 - Chainsaw Massacre | 5487 |
27.83%
|
786 |
67.05%
|
|
|
|
10044 - Erdos Numbers | 34061 |
20.50%
|
4758 |
71.94%
|
|
|
|
10045 - Echo | 2287 |
23.92%
|
450 |
46.44%
|
|
|
|
10046 - Fold-up Patterns | 140 |
19.29%
|
60 |
35.00%
|
|
|
|
10047 - The Monocycle | 11667 |
41.67%
|
2621 |
86.15%
|
|
|
|
10048 - Audiophobia | 28633 |
45.14%
|
7728 |
87.66%
|
|
|
|
10049 - Self-describing Sequence | 8519 |
51.71%
|
3544 |
87.73%
|
|
|
|
10050 - Hartals | 43240 |
60.77%
|
19691 |
94.68%
|
|
|
|
10051 - Tower of Cubes | 10175 |
37.50%
|
2774 |
83.96%
|
|
|
|
10052 - Inviting Politicians | 2675 |
7.51%
|
360 |
22.78%
|
|
|
|
10053 - Envelopes | 1299 |
18.55%
|
353 |
46.46%
|
|
|
|
10054 - The Necklace | 40016 |
26.41%
|
5586 |
71.34%
|
|
|
|
10055 - Hashmat the Brave Warrior | 371725 |
29.23%
|
72865 |
86.84%
|
|
|
|
10056 - What is the Probability ? | 19411 |
42.70%
|
5276 |
90.45%
|
|
|
|
10057 - A mid-summer night's dream. | 19728 |
38.65%
|
4778 |
84.83%
|
|
|
|
10058 - Jimmi's Riddles | 2550 |
36.82%
|
893 |
82.98%
|
|
|
|
10059 - The Hazard of CSE Department! | 554 |
1.81%
|
132 |
5.30%
|
|
|
|
10060 - A hole to catch a man | 3758 |
33.90%
|
1039 |
84.60%
|
|
|
|
10061 - How many zero's and how many digits ? | 10434 |
31.02%
|
2347 |
78.10%
|
|
|
|
10062 - Tell me the frequencies! | 67919 |
22.49%
|
13404 |
70.11%
|
|
|
|
10063 - Knuth's Permutation | 6775 |
42.23%
|
2395 |
72.11%
|
|
|
|
10064 - Traveling in another Dimension | 553 |
15.01%
|
162 |
39.51%
|
|
|
|
10065 - Useless Tile Packers | 8688 |
35.95%
|
2160 |
84.49%
|
|
|
|
10066 - The Twin Towers | 25299 |
47.18%
|
8559 |
90.30%
|
|
|
|
10067 - Playing with Wheels | 20559 |
42.73%
|
5780 |
89.19%
|
|
|
|
10068 - The Treasure Hunt | 1606 |
15.07%
|
370 |
42.16%
|
|
|
|
10069 - Distinct Subsequences | 19872 |
31.39%
|
4619 |
76.49%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 63017 |
15.36%
|
11994 |
55.02%
|
|
|
|
10071 - Back to High School Physics | 193133 |
47.20%
|
61573 |
93.44%
|
|
|
|
10072 - Bob Laptop Woolmer and Eddie Desktop Barlow | 1657 |
30.42%
|
534 |
58.80%
|
|
|
|
10073 - Constrained Exchange Sort | 1053 |
32.76%
|
193 |
55.44%
|
|
|
|
10074 - Take the Land | 15266 |
51.51%
|
5058 |
91.87%
|
|
|
|
10075 - Airlines | 3804 |
40.25%
|
1236 |
81.47%
|
|
|
|
10076 - The Bumpy Robot | 1159 |
27.09%
|
273 |
66.30%
|
|
|
|
10077 - The Stern-Brocot Number System | 16762 |
56.86%
|
6843 |
93.53%
|
|
|
|
10078 - The Art Gallery | 9481 |
47.02%
|
2769 |
90.18%
|
|
|
|
10079 - Pizza Cutting | 55436 |
44.37%
|
18671 |
94.18%
|
|
|
|
10080 - Gopher II | 17078 |
38.89%
|
3372 |
86.06%
|
|
|
|
10081 - Tight Words | 5701 |
52.06%
|
2295 |
90.37%
|
|
|
|
10082 - WERTYU | 112670 |
40.89%
|
31366 |
90.76%
|
|
|
|
10083 - Division | 25093 |
40.37%
|
2028 |
64.79%
|
|
|
|
10084 - Hotter Colder | 2264 |
36.53%
|
592 |
75.00%
|
|
|
|
10085 - The most distant state | 2444 |
47.05%
|
755 |
86.09%
|
|
|
|
10086 - Test the Rods | 2442 |
44.47%
|
779 |
87.16%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 608 |
28.95%
|
193 |
68.91%
|
|
|
|
10088 - Trees on My Island | 6779 |
38.18%
|
1661 |
87.84%
|
|
|
|
10089 - Repackaging | 4613 |
33.73%
|
1240 |
76.61%
|
|
|
|
10090 - Marbles | 21101 |
26.58%
|
4328 |
72.41%
|
|
|
|
10091 - The Valentine's Day | 1364 |
22.21%
|
353 |
64.87%
|
|
|
|
10092 - The Problem with the Problem Setter | 9629 |
40.53%
|
2247 |
84.33%
|
|
|
|
10093 - An Easy Problem! | 27375 |
25.83%
|
5384 |
72.40%
|
|
|
|
10094 - Place the Guards | 2530 |
29.53%
|
781 |
64.92%
|
|
|
|
10095 - Saving the Planet | 1106 |
18.90%
|
205 |
55.12%
|
|
|
|
10096 - The Richest Man of the Universe | 2430 |
3.09%
|
325 |
13.85%
|
|
|
|
10097 - The Color Game | 1494 |
51.41%
|
655 |
83.82%
|
|
|
|
10098 - Generating Fast | 26796 |
45.01%
|
8479 |
86.13%
|
|
|
|
10099 - The Tourist Guide | 37680 |
32.46%
|
8141 |
84.57%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |