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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36373 |
25.55%
|
8324 |
65.31%
|
|
|
|
10001 - Garden of Eden | 7164 |
41.04%
|
2550 |
72.82%
|
|
|
|
10002 - Center of Masses | 11682 |
29.29%
|
2408 |
68.48%
|
|
|
|
10003 - Cutting Sticks | 59513 |
48.61%
|
15458 |
90.03%
|
|
|
|
10004 - Bicoloring | 87415 |
50.21%
|
23143 |
90.93%
|
|
|
|
10005 - Packing polygons | 12673 |
20.03%
|
2821 |
54.20%
|
|
|
|
10006 - Carmichael Numbers | 45480 |
38.02%
|
10957 |
85.39%
|
|
|
|
10007 - Count the Trees | 9177 |
44.98%
|
3603 |
77.88%
|
|
|
|
10008 - What's Cryptanalysis? | 44764 |
57.36%
|
18092 |
94.04%
|
|
|
|
10009 - All Roads Lead Where? | 15942 |
34.79%
|
4455 |
82.49%
|
|
|
|
10010 - Where's Waldorf? | 46763 |
32.07%
|
12139 |
82.79%
|
|
|
|
10011 - Where Can You Hide? | 4233 |
10.68%
|
615 |
40.81%
|
|
|
|
10012 - How Big Is It? | 11812 |
30.82%
|
2661 |
70.09%
|
|
|
|
10013 - Super long sums | 54524 |
27.80%
|
10178 |
67.46%
|
|
|
|
10014 - Simple calculations | 12788 |
31.79%
|
4122 |
70.91%
|
|
|
|
10015 - Joseph's Cousin | 10191 |
31.16%
|
3587 |
54.08%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 3026 |
47.52%
|
1299 |
79.91%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 7035 |
24.62%
|
1878 |
56.76%
|
|
|
|
10018 - Reverse and Add | 107093 |
42.82%
|
28803 |
88.96%
|
|
|
|
10019 - Funny Encryption Method | 24262 |
70.56%
|
12777 |
96.31%
|
|
|
10020 - Minimal coverage | 29436 |
27.82%
|
5506 |
69.07%
|
|
|
|
10021 - Cube in the labirint | 1785 |
23.70%
|
513 |
65.11%
|
|
|
|
10022 - Delta-wave | 2581 |
30.10%
|
984 |
64.63%
|
|
|
|
10023 - Square root | 49194 |
22.93%
|
6365 |
31.97%
|
|
|
|
10024 - Curling up the cube | 2215 |
25.60%
|
687 |
56.48%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17782 |
28.62%
|
4480 |
77.77%
|
|
|
|
10026 - Shoemaker's Problem | 39552 |
34.35%
|
9659 |
83.92%
|
|
|
|
10027 - Language Cardinality | 2572 |
13.65%
|
510 |
52.55%
|
|
|
|
10028 - Demerit Points | 1565 |
24.66%
|
423 |
59.34%
|
|
|
|
10029 - Edit Step Ladders | 14978 |
23.09%
|
2693 |
64.72%
|
|
|
|
10030 - Computer Dialogue | 1055 |
27.49%
|
398 |
40.45%
|
|
|
|
10031 - Saskatchewan | 1261 |
7.30%
|
271 |
25.09%
|
|
|
|
10032 - Tug of War | 35952 |
14.23%
|
4995 |
45.77%
|
|
|
|
10033 - Interpreter | 37865 |
25.23%
|
6970 |
78.25%
|
|
|
|
10034 - Freckles | 51718 |
33.06%
|
11713 |
82.05%
|
|
|
|
10035 - Primary Arithmetic | 150000 |
29.85%
|
33336 |
87.55%
|
|
|
|
10036 - Divisibility | 27249 |
37.62%
|
5386 |
85.39%
|
|
|
|
10037 - Bridge | 27588 |
25.28%
|
6062 |
71.40%
|
|
|
|
10038 - Jolly Jumpers | 226572 |
28.35%
|
45420 |
84.26%
|
|
|
|
10039 - Railroads | 6429 |
28.79%
|
1407 |
75.48%
|
|
|
|
10040 - Ouroboros Snake | 3477 |
35.92%
|
677 |
60.41%
|
|
|
|
10041 - Vito's Family | 85311 |
44.14%
|
25006 |
88.42%
|
|
|
|
10042 - Smith Numbers | 21726 |
36.97%
|
5967 |
85.74%
|
|
|
|
10043 - Chainsaw Massacre | 5452 |
27.88%
|
777 |
67.31%
|
|
|
|
10044 - Erdos Numbers | 33675 |
20.25%
|
4656 |
71.52%
|
|
|
|
10045 - Echo | 2272 |
23.99%
|
446 |
46.41%
|
|
|
|
10046 - Fold-up Patterns | 136 |
19.85%
|
57 |
36.84%
|
|
|
|
10047 - The Monocycle | 11505 |
41.65%
|
2608 |
86.12%
|
|
|
|
10048 - Audiophobia | 28327 |
45.13%
|
7692 |
87.66%
|
|
|
|
10049 - Self-describing Sequence | 8431 |
51.79%
|
3517 |
87.75%
|
|
|
|
10050 - Hartals | 42300 |
60.46%
|
19339 |
94.63%
|
|
|
|
10051 - Tower of Cubes | 10043 |
37.72%
|
2755 |
83.99%
|
|
|
|
10052 - Inviting Politicians | 2555 |
7.79%
|
356 |
22.47%
|
|
|
|
10053 - Envelopes | 1286 |
18.35%
|
347 |
46.40%
|
|
|
|
10054 - The Necklace | 39539 |
26.30%
|
5558 |
71.25%
|
|
|
|
10055 - Hashmat the Brave Warrior | 369487 |
29.13%
|
72551 |
86.80%
|
|
|
|
10056 - What is the Probability ? | 18321 |
42.41%
|
5082 |
90.16%
|
|
|
|
10057 - A mid-summer night's dream. | 18895 |
38.11%
|
4663 |
84.54%
|
|
|
|
10058 - Jimmi's Riddles | 2532 |
36.73%
|
887 |
82.86%
|
|
|
|
10059 - The Hazard of CSE Department! | 550 |
1.82%
|
130 |
5.38%
|
|
|
|
10060 - A hole to catch a man | 3751 |
33.86%
|
1035 |
84.64%
|
|
|
|
10061 - How many zero's and how many digits ? | 10370 |
30.91%
|
2336 |
78.17%
|
|
|
|
10062 - Tell me the frequencies! | 66873 |
22.17%
|
13284 |
69.93%
|
|
|
|
10063 - Knuth's Permutation | 6751 |
42.30%
|
2383 |
72.26%
|
|
|
|
10064 - Traveling in another Dimension | 525 |
15.43%
|
159 |
39.62%
|
|
|
|
10065 - Useless Tile Packers | 8627 |
35.88%
|
2153 |
84.53%
|
|
|
|
10066 - The Twin Towers | 25175 |
47.20%
|
8542 |
90.32%
|
|
|
|
10067 - Playing with Wheels | 20480 |
42.67%
|
5759 |
89.16%
|
|
|
|
10068 - The Treasure Hunt | 1600 |
15.06%
|
367 |
42.23%
|
|
|
|
10069 - Distinct Subsequences | 19820 |
31.34%
|
4606 |
76.47%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 62164 |
15.31%
|
11953 |
54.97%
|
|
|
|
10071 - Back to High School Physics | 191512 |
47.12%
|
61213 |
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 | 15198 |
51.50%
|
5041 |
91.87%
|
|
|
|
10075 - Airlines | 3765 |
39.97%
|
1226 |
81.48%
|
|
|
|
10076 - The Bumpy Robot | 1138 |
27.24%
|
268 |
66.42%
|
|
|
|
10077 - The Stern-Brocot Number System | 16451 |
56.51%
|
6658 |
93.38%
|
|
|
|
10078 - The Art Gallery | 9222 |
46.88%
|
2743 |
90.16%
|
|
|
|
10079 - Pizza Cutting | 54811 |
44.30%
|
18571 |
94.17%
|
|
|
|
10080 - Gopher II | 16971 |
38.91%
|
3342 |
86.09%
|
|
|
|
10081 - Tight Words | 5639 |
51.98%
|
2279 |
90.35%
|
|
|
|
10082 - WERTYU | 111522 |
40.75%
|
31011 |
90.71%
|
|
|
|
10083 - Division | 25050 |
40.40%
|
2020 |
64.75%
|
|
|
|
10084 - Hotter Colder | 2238 |
36.42%
|
583 |
75.30%
|
|
|
|
10085 - The most distant state | 2406 |
46.80%
|
749 |
86.25%
|
|
|
|
10086 - Test the Rods | 2436 |
44.42%
|
775 |
87.23%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 602 |
29.24%
|
191 |
69.63%
|
|
|
|
10088 - Trees on My Island | 6681 |
37.85%
|
1641 |
87.75%
|
|
|
|
10089 - Repackaging | 4576 |
33.81%
|
1233 |
76.64%
|
|
|
|
10090 - Marbles | 20774 |
26.39%
|
4299 |
72.32%
|
|
|
|
10091 - The Valentine's Day | 1352 |
22.34%
|
347 |
65.71%
|
|
|
|
10092 - The Problem with the Problem Setter | 9590 |
40.41%
|
2240 |
84.33%
|
|
|
|
10093 - An Easy Problem! | 26037 |
25.34%
|
5223 |
71.76%
|
|
|
|
10094 - Place the Guards | 2527 |
29.48%
|
778 |
64.91%
|
|
|
|
10095 - Saving the Planet | 1093 |
18.85%
|
201 |
55.22%
|
|
|
|
10096 - The Richest Man of the Universe | 2413 |
3.11%
|
322 |
13.98%
|
|
|
|
10097 - The Color Game | 1483 |
51.58%
|
650 |
84.00%
|
|
|
|
10098 - Generating Fast | 26725 |
44.95%
|
8468 |
86.12%
|
|
|
|
10099 - The Tourist Guide | 37044 |
32.35%
|
8080 |
84.52%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |