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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36479 |
25.60%
|
8354 |
65.38%
|
|
|
|
10001 - Garden of Eden | 7189 |
41.09%
|
2556 |
72.73%
|
|
|
|
10002 - Center of Masses | 11705 |
29.30%
|
2413 |
68.46%
|
|
|
|
10003 - Cutting Sticks | 60053 |
48.69%
|
15530 |
90.05%
|
|
|
|
10004 - Bicoloring | 87836 |
50.35%
|
23208 |
90.95%
|
|
|
|
10005 - Packing polygons | 12692 |
20.07%
|
2823 |
54.20%
|
|
|
|
10006 - Carmichael Numbers | 45544 |
38.03%
|
10973 |
85.37%
|
|
|
|
10007 - Count the Trees | 9204 |
45.03%
|
3609 |
77.89%
|
|
|
|
10008 - What's Cryptanalysis? | 45172 |
57.46%
|
18192 |
94.06%
|
|
|
|
10009 - All Roads Lead Where? | 15964 |
34.79%
|
4461 |
82.49%
|
|
|
|
10010 - Where's Waldorf? | 46934 |
32.12%
|
12175 |
82.81%
|
|
|
|
10011 - Where Can You Hide? | 4234 |
10.68%
|
616 |
40.75%
|
|
|
|
10012 - How Big Is It? | 11865 |
30.84%
|
2673 |
70.18%
|
|
|
|
10013 - Super long sums | 54535 |
27.81%
|
10182 |
67.47%
|
|
|
|
10014 - Simple calculations | 12798 |
31.82%
|
4128 |
70.93%
|
|
|
|
10015 - Joseph's Cousin | 10222 |
31.20%
|
3596 |
54.17%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 3035 |
47.48%
|
1303 |
79.89%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 7125 |
24.48%
|
1881 |
56.73%
|
|
|
|
10018 - Reverse and Add | 107427 |
42.88%
|
28842 |
88.98%
|
|
|
|
10019 - Funny Encryption Method | 24458 |
70.61%
|
12841 |
96.31%
|
|
|
10020 - Minimal coverage | 29624 |
27.94%
|
5542 |
69.14%
|
|
|
|
10021 - Cube in the labirint | 1789 |
23.64%
|
515 |
64.85%
|
|
|
|
10022 - Delta-wave | 2582 |
30.09%
|
985 |
64.57%
|
|
|
|
10023 - Square root | 50774 |
23.11%
|
6436 |
32.69%
|
|
|
|
10024 - Curling up the cube | 2241 |
25.75%
|
692 |
56.65%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17838 |
28.62%
|
4483 |
77.76%
|
|
|
|
10026 - Shoemaker's Problem | 39796 |
34.38%
|
9679 |
83.92%
|
|
|
|
10027 - Language Cardinality | 2585 |
13.66%
|
511 |
52.45%
|
|
|
|
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 | 36034 |
14.28%
|
5007 |
45.88%
|
|
|
|
10033 - Interpreter | 38343 |
25.38%
|
7054 |
78.35%
|
|
|
|
10034 - Freckles | 52384 |
33.18%
|
11744 |
82.08%
|
|
|
|
10035 - Primary Arithmetic | 151350 |
29.89%
|
33468 |
87.59%
|
|
|
|
10036 - Divisibility | 27679 |
37.74%
|
5418 |
85.42%
|
|
|
|
10037 - Bridge | 27736 |
25.32%
|
6078 |
71.42%
|
|
|
|
10038 - Jolly Jumpers | 227789 |
28.43%
|
45629 |
84.31%
|
|
|
|
10039 - Railroads | 6447 |
28.80%
|
1410 |
75.46%
|
|
|
|
10040 - Ouroboros Snake | 3486 |
35.94%
|
680 |
60.44%
|
|
|
|
10041 - Vito's Family | 86041 |
44.25%
|
25153 |
88.49%
|
|
|
|
10042 - Smith Numbers | 21814 |
36.99%
|
5984 |
85.75%
|
|
|
|
10043 - Chainsaw Massacre | 5458 |
27.90%
|
779 |
67.27%
|
|
|
|
10044 - Erdos Numbers | 33850 |
20.35%
|
4678 |
71.57%
|
|
|
|
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 | 28533 |
45.11%
|
7714 |
87.65%
|
|
|
|
10049 - Self-describing Sequence | 8468 |
51.77%
|
3530 |
87.71%
|
|
|
|
10050 - Hartals | 42582 |
60.57%
|
19419 |
94.64%
|
|
|
|
10051 - Tower of Cubes | 10067 |
37.77%
|
2760 |
83.99%
|
|
|
|
10052 - Inviting Politicians | 2666 |
7.46%
|
358 |
22.35%
|
|
|
|
10053 - Envelopes | 1291 |
18.44%
|
351 |
46.15%
|
|
|
|
10054 - The Necklace | 39873 |
26.40%
|
5572 |
71.27%
|
|
|
|
10055 - Hashmat the Brave Warrior | 370559 |
29.17%
|
72704 |
86.82%
|
|
|
|
10056 - What is the Probability ? | 18950 |
42.42%
|
5219 |
90.40%
|
|
|
|
10057 - A mid-summer night's dream. | 19283 |
38.27%
|
4722 |
84.67%
|
|
|
|
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 ? | 10411 |
30.96%
|
2340 |
78.16%
|
|
|
|
10062 - Tell me the frequencies! | 67412 |
22.29%
|
13349 |
70.01%
|
|
|
|
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 | 8669 |
35.97%
|
2159 |
84.53%
|
|
|
|
10066 - The Twin Towers | 25231 |
47.19%
|
8555 |
90.30%
|
|
|
|
10067 - Playing with Wheels | 20515 |
42.70%
|
5768 |
89.16%
|
|
|
|
10068 - The Treasure Hunt | 1601 |
15.05%
|
368 |
42.12%
|
|
|
|
10069 - Distinct Subsequences | 19841 |
31.35%
|
4611 |
76.45%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 62563 |
15.33%
|
11960 |
54.98%
|
|
|
|
10071 - Back to High School Physics | 192338 |
47.15%
|
61399 |
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 | 15235 |
51.49%
|
5049 |
91.86%
|
|
|
|
10075 - Airlines | 3783 |
40.07%
|
1231 |
81.48%
|
|
|
|
10076 - The Bumpy Robot | 1141 |
27.34%
|
271 |
66.42%
|
|
|
|
10077 - The Stern-Brocot Number System | 16516 |
56.49%
|
6683 |
93.37%
|
|
|
|
10078 - The Art Gallery | 9260 |
46.92%
|
2756 |
90.17%
|
|
|
|
10079 - Pizza Cutting | 55205 |
44.35%
|
18638 |
94.18%
|
|
|
|
10080 - Gopher II | 17007 |
38.90%
|
3350 |
86.06%
|
|
|
|
10081 - Tight Words | 5688 |
51.95%
|
2287 |
90.34%
|
|
|
|
10082 - WERTYU | 112023 |
40.76%
|
31079 |
90.71%
|
|
|
|
10083 - Division | 25053 |
40.40%
|
2021 |
64.72%
|
|
|
|
10084 - Hotter Colder | 2261 |
36.58%
|
590 |
75.25%
|
|
|
|
10085 - The most distant state | 2407 |
46.78%
|
750 |
86.13%
|
|
|
|
10086 - Test the Rods | 2438 |
44.42%
|
777 |
87.13%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 603 |
29.19%
|
192 |
69.27%
|
|
|
|
10088 - Trees on My Island | 6735 |
38.13%
|
1652 |
87.77%
|
|
|
|
10089 - Repackaging | 4595 |
33.73%
|
1235 |
76.60%
|
|
|
|
10090 - Marbles | 20981 |
26.52%
|
4313 |
72.34%
|
|
|
|
10091 - The Valentine's Day | 1354 |
22.30%
|
349 |
65.33%
|
|
|
|
10092 - The Problem with the Problem Setter | 9619 |
40.51%
|
2244 |
84.31%
|
|
|
|
10093 - An Easy Problem! | 26650 |
25.55%
|
5331 |
72.18%
|
|
|
|
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 | 26766 |
44.99%
|
8474 |
86.13%
|
|
|
|
10099 - The Tourist Guide | 37374 |
32.41%
|
8117 |
84.55%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |