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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36549 |
25.62%
|
8365 |
65.40%
|
|
|
|
10001 - Garden of Eden | 7228 |
41.08%
|
2565 |
72.83%
|
|
|
|
10002 - Center of Masses | 11709 |
29.31%
|
2414 |
68.48%
|
|
|
|
10003 - Cutting Sticks | 60369 |
48.76%
|
15559 |
90.04%
|
|
|
|
10004 - Bicoloring | 88202 |
50.44%
|
23237 |
90.96%
|
|
|
|
10005 - Packing polygons | 12707 |
20.10%
|
2825 |
54.23%
|
|
|
|
10006 - Carmichael Numbers | 45596 |
38.05%
|
10984 |
85.39%
|
|
|
|
10007 - Count the Trees | 9232 |
45.03%
|
3614 |
77.92%
|
|
|
|
10008 - What's Cryptanalysis? | 45561 |
57.53%
|
18234 |
94.08%
|
|
|
|
10009 - All Roads Lead Where? | 15976 |
34.81%
|
4463 |
82.50%
|
|
|
|
10010 - Where's Waldorf? | 47262 |
32.35%
|
12324 |
83.01%
|
|
|
|
10011 - Where Can You Hide? | 4238 |
10.71%
|
617 |
40.84%
|
|
|
|
10012 - How Big Is It? | 11903 |
30.91%
|
2678 |
70.24%
|
|
|
|
10013 - Super long sums | 54548 |
27.82%
|
10185 |
67.48%
|
|
|
|
10014 - Simple calculations | 12801 |
31.83%
|
4128 |
70.95%
|
|
|
|
10015 - Joseph's Cousin | 10281 |
31.23%
|
3604 |
54.25%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 3035 |
47.48%
|
1303 |
79.89%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 7153 |
24.42%
|
1882 |
56.75%
|
|
|
|
10018 - Reverse and Add | 107689 |
42.95%
|
28959 |
89.01%
|
|
|
|
10019 - Funny Encryption Method | 24669 |
70.72%
|
12870 |
96.32%
|
|
|
10020 - Minimal coverage | 29744 |
28.09%
|
5557 |
69.19%
|
|
|
|
10021 - Cube in the labirint | 1791 |
23.73%
|
516 |
64.92%
|
|
|
|
10022 - Delta-wave | 2587 |
30.11%
|
987 |
64.64%
|
|
|
|
10023 - Square root | 50796 |
23.12%
|
6438 |
32.73%
|
|
|
|
10024 - Curling up the cube | 2255 |
25.76%
|
694 |
56.77%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17847 |
28.62%
|
4487 |
77.76%
|
|
|
|
10026 - Shoemaker's Problem | 40089 |
34.55%
|
9785 |
84.05%
|
|
|
|
10027 - Language Cardinality | 2600 |
13.62%
|
513 |
52.44%
|
|
|
|
10028 - Demerit Points | 1586 |
24.46%
|
426 |
59.15%
|
|
|
|
10029 - Edit Step Ladders | 15009 |
23.13%
|
2698 |
64.75%
|
|
|
|
10030 - Computer Dialogue | 1060 |
27.64%
|
401 |
40.90%
|
|
|
|
10031 - Saskatchewan | 1270 |
7.40%
|
274 |
25.55%
|
|
|
|
10032 - Tug of War | 36106 |
14.30%
|
5016 |
45.95%
|
|
|
|
10033 - Interpreter | 38533 |
25.52%
|
7147 |
78.58%
|
|
|
|
10034 - Freckles | 52472 |
33.19%
|
11761 |
82.09%
|
|
|
|
10035 - Primary Arithmetic | 152076 |
29.97%
|
33613 |
87.64%
|
|
|
|
10036 - Divisibility | 27929 |
37.75%
|
5433 |
85.48%
|
|
|
|
10037 - Bridge | 27805 |
25.39%
|
6114 |
71.54%
|
|
|
|
10038 - Jolly Jumpers | 228577 |
28.52%
|
45834 |
84.35%
|
|
|
|
10039 - Railroads | 6475 |
28.77%
|
1415 |
75.34%
|
|
|
|
10040 - Ouroboros Snake | 3488 |
35.92%
|
681 |
60.35%
|
|
|
|
10041 - Vito's Family | 86612 |
44.40%
|
25317 |
88.54%
|
|
|
|
10042 - Smith Numbers | 21875 |
37.04%
|
6001 |
85.77%
|
|
|
|
10043 - Chainsaw Massacre | 5470 |
27.88%
|
784 |
67.09%
|
|
|
|
10044 - Erdos Numbers | 33988 |
20.40%
|
4709 |
71.69%
|
|
|
|
10045 - Echo | 2284 |
23.91%
|
449 |
46.33%
|
|
|
|
10046 - Fold-up Patterns | 140 |
19.29%
|
60 |
35.00%
|
|
|
|
10047 - The Monocycle | 11664 |
41.67%
|
2620 |
86.15%
|
|
|
|
10048 - Audiophobia | 28590 |
45.12%
|
7723 |
87.65%
|
|
|
|
10049 - Self-describing Sequence | 8502 |
51.72%
|
3538 |
87.70%
|
|
|
|
10050 - Hartals | 42920 |
60.69%
|
19565 |
94.68%
|
|
|
|
10051 - Tower of Cubes | 10167 |
37.52%
|
2773 |
83.95%
|
|
|
|
10052 - Inviting Politicians | 2675 |
7.51%
|
360 |
22.78%
|
|
|
|
10053 - Envelopes | 1298 |
18.49%
|
352 |
46.31%
|
|
|
|
10054 - The Necklace | 39963 |
26.39%
|
5580 |
71.31%
|
|
|
|
10055 - Hashmat the Brave Warrior | 371364 |
29.21%
|
72780 |
86.83%
|
|
|
|
10056 - What is the Probability ? | 19237 |
42.55%
|
5252 |
90.40%
|
|
|
|
10057 - A mid-summer night's dream. | 19551 |
38.47%
|
4750 |
84.74%
|
|
|
|
10058 - Jimmi's Riddles | 2545 |
36.82%
|
892 |
82.85%
|
|
|
|
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 ? | 10428 |
31.02%
|
2342 |
78.18%
|
|
|
|
10062 - Tell me the frequencies! | 67691 |
22.40%
|
13378 |
70.06%
|
|
|
|
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 | 8677 |
35.96%
|
2160 |
84.49%
|
|
|
|
10066 - The Twin Towers | 25292 |
47.18%
|
8557 |
90.30%
|
|
|
|
10067 - Playing with Wheels | 20538 |
42.72%
|
5776 |
89.18%
|
|
|
|
10068 - The Treasure Hunt | 1606 |
15.07%
|
370 |
42.16%
|
|
|
|
10069 - Distinct Subsequences | 19859 |
31.38%
|
4618 |
76.48%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 62629 |
15.32%
|
11961 |
54.99%
|
|
|
|
10071 - Back to High School Physics | 192801 |
47.16%
|
61467 |
93.44%
|
|
|
|
10072 - Bob Laptop Woolmer and Eddie Desktop Barlow | 1657 |
30.42%
|
534 |
58.80%
|
|
|
|
10073 - Constrained Exchange Sort | 1051 |
32.64%
|
193 |
55.44%
|
|
|
|
10074 - Take the Land | 15255 |
51.50%
|
5053 |
91.87%
|
|
|
|
10075 - Airlines | 3798 |
40.26%
|
1234 |
81.52%
|
|
|
|
10076 - The Bumpy Robot | 1159 |
27.09%
|
273 |
66.30%
|
|
|
|
10077 - The Stern-Brocot Number System | 16597 |
56.59%
|
6734 |
93.42%
|
|
|
|
10078 - The Art Gallery | 9449 |
47.03%
|
2760 |
90.18%
|
|
|
|
10079 - Pizza Cutting | 55376 |
44.36%
|
18659 |
94.19%
|
|
|
|
10080 - Gopher II | 17013 |
38.91%
|
3352 |
86.07%
|
|
|
|
10081 - Tight Words | 5696 |
52.02%
|
2290 |
90.35%
|
|
|
|
10082 - WERTYU | 112421 |
40.84%
|
31238 |
90.75%
|
|
|
|
10083 - Division | 25088 |
40.37%
|
2025 |
64.79%
|
|
|
|
10084 - Hotter Colder | 2263 |
36.54%
|
591 |
75.13%
|
|
|
|
10085 - The most distant state | 2443 |
47.07%
|
754 |
86.21%
|
|
|
|
10086 - Test the Rods | 2441 |
44.45%
|
778 |
87.15%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 608 |
28.95%
|
193 |
68.91%
|
|
|
|
10088 - Trees on My Island | 6760 |
38.17%
|
1658 |
87.82%
|
|
|
|
10089 - Repackaging | 4611 |
33.72%
|
1238 |
76.66%
|
|
|
|
10090 - Marbles | 21059 |
26.57%
|
4322 |
72.37%
|
|
|
|
10091 - The Valentine's Day | 1360 |
22.21%
|
351 |
64.96%
|
|
|
|
10092 - The Problem with the Problem Setter | 9623 |
40.53%
|
2246 |
84.33%
|
|
|
|
10093 - An Easy Problem! | 27052 |
25.67%
|
5358 |
72.28%
|
|
|
|
10094 - Place the Guards | 2529 |
29.50%
|
780 |
64.87%
|
|
|
|
10095 - Saving the Planet | 1099 |
18.84%
|
204 |
54.90%
|
|
|
|
10096 - The Richest Man of the Universe | 2430 |
3.09%
|
325 |
13.85%
|
|
|
|
10097 - The Color Game | 1493 |
51.37%
|
654 |
83.79%
|
|
|
|
10098 - Generating Fast | 26794 |
45.00%
|
8478 |
86.13%
|
|
|
|
10099 - The Tourist Guide | 37548 |
32.44%
|
8130 |
84.54%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |