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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36542 |
25.61%
|
8361 |
65.39%
|
|
|
|
10001 - Garden of Eden | 7216 |
41.09%
|
2562 |
72.79%
|
|
|
|
10002 - Center of Masses | 11708 |
29.30%
|
2413 |
68.46%
|
|
|
|
10003 - Cutting Sticks | 60355 |
48.75%
|
15556 |
90.04%
|
|
|
|
10004 - Bicoloring | 88182 |
50.43%
|
23235 |
90.96%
|
|
|
|
10005 - Packing polygons | 12706 |
20.09%
|
2824 |
54.21%
|
|
|
|
10006 - Carmichael Numbers | 45585 |
38.05%
|
10981 |
85.39%
|
|
|
|
10007 - Count the Trees | 9232 |
45.03%
|
3614 |
77.92%
|
|
|
|
10008 - What's Cryptanalysis? | 45551 |
57.52%
|
18230 |
94.08%
|
|
|
|
10009 - All Roads Lead Where? | 15975 |
34.80%
|
4462 |
82.50%
|
|
|
|
10010 - Where's Waldorf? | 47228 |
32.33%
|
12308 |
82.99%
|
|
|
|
10011 - Where Can You Hide? | 4238 |
10.71%
|
617 |
40.84%
|
|
|
|
10012 - How Big Is It? | 11898 |
30.89%
|
2676 |
70.22%
|
|
|
|
10013 - Super long sums | 54548 |
27.82%
|
10185 |
67.48%
|
|
|
|
10014 - Simple calculations | 12801 |
31.83%
|
4128 |
70.95%
|
|
|
|
10015 - Joseph's Cousin | 10279 |
31.23%
|
3603 |
54.23%
|
|
|
|
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 | 107619 |
42.93%
|
28908 |
88.99%
|
|
|
|
10019 - Funny Encryption Method | 24663 |
70.71%
|
12868 |
96.32%
|
|
|
10020 - Minimal coverage | 29742 |
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 | 40037 |
34.49%
|
9748 |
84.00%
|
|
|
|
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 | 36092 |
14.30%
|
5013 |
45.94%
|
|
|
|
10033 - Interpreter | 38514 |
25.52%
|
7140 |
78.59%
|
|
|
|
10034 - Freckles | 52458 |
33.19%
|
11759 |
82.09%
|
|
|
|
10035 - Primary Arithmetic | 152007 |
29.94%
|
33566 |
87.62%
|
|
|
|
10036 - Divisibility | 27928 |
37.75%
|
5432 |
85.47%
|
|
|
|
10037 - Bridge | 27785 |
25.38%
|
6104 |
71.51%
|
|
|
|
10038 - Jolly Jumpers | 228546 |
28.51%
|
45818 |
84.35%
|
|
|
|
10039 - Railroads | 6467 |
28.78%
|
1413 |
75.44%
|
|
|
|
10040 - Ouroboros Snake | 3488 |
35.92%
|
681 |
60.35%
|
|
|
|
10041 - Vito's Family | 86579 |
44.39%
|
25301 |
88.53%
|
|
|
|
10042 - Smith Numbers | 21858 |
37.02%
|
5995 |
85.77%
|
|
|
|
10043 - Chainsaw Massacre | 5464 |
27.91%
|
782 |
67.26%
|
|
|
|
10044 - Erdos Numbers | 33974 |
20.39%
|
4704 |
71.68%
|
|
|
|
10045 - Echo | 2280 |
23.95%
|
448 |
46.43%
|
|
|
|
10046 - Fold-up Patterns | 138 |
19.57%
|
59 |
35.59%
|
|
|
|
10047 - The Monocycle | 11660 |
41.67%
|
2620 |
86.15%
|
|
|
|
10048 - Audiophobia | 28586 |
45.11%
|
7723 |
87.65%
|
|
|
|
10049 - Self-describing Sequence | 8492 |
51.77%
|
3536 |
87.73%
|
|
|
|
10050 - Hartals | 42879 |
60.69%
|
19551 |
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 | 39957 |
26.39%
|
5578 |
71.30%
|
|
|
|
10055 - Hashmat the Brave Warrior | 371337 |
29.21%
|
72774 |
86.83%
|
|
|
|
10056 - What is the Probability ? | 19224 |
42.54%
|
5249 |
90.40%
|
|
|
|
10057 - A mid-summer night's dream. | 19537 |
38.45%
|
4747 |
84.73%
|
|
|
|
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! | 67683 |
22.40%
|
13376 |
70.07%
|
|
|
|
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 | 25288 |
47.18%
|
8556 |
90.30%
|
|
|
|
10067 - Playing with Wheels | 20531 |
42.72%
|
5773 |
89.17%
|
|
|
|
10068 - The Treasure Hunt | 1604 |
15.09%
|
369 |
42.28%
|
|
|
|
10069 - Distinct Subsequences | 19852 |
31.38%
|
4615 |
76.47%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 62628 |
15.32%
|
11960 |
54.98%
|
|
|
|
10071 - Back to High School Physics | 192783 |
47.16%
|
61462 |
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 | 15251 |
51.49%
|
5052 |
91.86%
|
|
|
|
10075 - Airlines | 3797 |
40.24%
|
1233 |
81.51%
|
|
|
|
10076 - The Bumpy Robot | 1156 |
27.16%
|
272 |
66.54%
|
|
|
|
10077 - The Stern-Brocot Number System | 16561 |
56.56%
|
6715 |
93.39%
|
|
|
|
10078 - The Art Gallery | 9448 |
47.03%
|
2759 |
90.18%
|
|
|
|
10079 - Pizza Cutting | 55374 |
44.36%
|
18658 |
94.18%
|
|
|
|
10080 - Gopher II | 17012 |
38.91%
|
3351 |
86.06%
|
|
|
|
10081 - Tight Words | 5696 |
52.02%
|
2290 |
90.35%
|
|
|
|
10082 - WERTYU | 112386 |
40.83%
|
31221 |
90.74%
|
|
|
|
10083 - Division | 25086 |
40.37%
|
2024 |
64.77%
|
|
|
|
10084 - Hotter Colder | 2261 |
36.58%
|
590 |
75.25%
|
|
|
|
10085 - The most distant state | 2441 |
47.03%
|
752 |
86.17%
|
|
|
|
10086 - Test the Rods | 2439 |
44.44%
|
777 |
87.13%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 604 |
29.14%
|
192 |
69.27%
|
|
|
|
10088 - Trees on My Island | 6752 |
38.15%
|
1655 |
87.79%
|
|
|
|
10089 - Repackaging | 4609 |
33.72%
|
1237 |
76.64%
|
|
|
|
10090 - Marbles | 21050 |
26.56%
|
4319 |
72.35%
|
|
|
|
10091 - The Valentine's Day | 1355 |
22.29%
|
350 |
65.14%
|
|
|
|
10092 - The Problem with the Problem Setter | 9622 |
40.52%
|
2245 |
84.32%
|
|
|
|
10093 - An Easy Problem! | 27047 |
25.66%
|
5356 |
72.27%
|
|
|
|
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 | 2424 |
3.09%
|
324 |
13.89%
|
|
|
|
10097 - The Color Game | 1487 |
51.51%
|
652 |
83.90%
|
|
|
|
10098 - Generating Fast | 26794 |
45.00%
|
8478 |
86.13%
|
|
|
|
10099 - The Tourist Guide | 37516 |
32.44%
|
8125 |
84.54%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |