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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 10000 - Longest Paths 36347
25.55%
8318
65.32%
FILE 10001 - Garden of Eden 7155
41.08%
2547
72.87%
FILE 10002 - Center of Masses 11673
29.31%
2406
68.50%
FILE 10003 - Cutting Sticks 59149
48.61%
15436
90.03%
FILE 10004 - Bicoloring 86822
50.18%
23123
90.92%
FILE 10005 - Packing polygons 12629
20.00%
2815
54.17%
FILE 10006 - Carmichael Numbers 45427
38.04%
10955
85.39%
FILE 10007 - Count the Trees 9152
44.92%
3596
77.86%
FILE 10008 - What's Cryptanalysis? 44525
57.32%
18020
94.01%
FILE 10009 - All Roads Lead Where? 15906
34.78%
4450
82.49%
FILE 10010 - Where's Waldorf? 46728
32.05%
12132
82.80%
FILE 10011 - Where Can You Hide? 4167
10.63%
600
40.50%
FILE 10012 - How Big Is It? 11793
30.78%
2656
70.11%
FILE 10013 - Super long sums 54430
27.75%
10171
67.46%
FILE 10014 - Simple calculations 12775
31.80%
4120
70.92%
FILE 10015 - Joseph's Cousin 10162
31.13%
3582
54.02%
FILE 10016 - Flip-Flop the Squarelotron 3026
47.52%
1299
79.91%
FILE 10017 - The Never Ending Towers of Hanoi 6997
24.65%
1876
56.72%
FILE 10018 - Reverse and Add 107044
42.82%
28801
88.96%
FILE 10019 - Funny Encryption Method 24190
70.60%
12750
96.29%
FILE 10020 - Minimal coverage 29403
27.78%
5502
69.07%
FILE 10021 - Cube in the labirint 1778
23.73%
513
65.11%
FILE 10022 - Delta-wave 2581
30.10%
984
64.63%
FILE 10023 - Square root 49183
22.93%
6364
31.96%
FILE 10024 - Curling up the cube 2199
25.42%
683
56.22%
FILE 10025 - The ? 1 ? 2 ? ... ? n = k problem 17726
28.61%
4478
77.76%
FILE 10026 - Shoemaker's Problem 39515
34.33%
9655
83.92%
FILE 10027 - Language Cardinality 2562
13.58%
509
52.46%
FILE 10028 - Demerit Points 1565
24.66%
423
59.34%
FILE 10029 - Edit Step Ladders 14959
23.11%
2688
64.81%
FILE 10030 - Computer Dialogue 1055
27.49%
398
40.45%
FILE 10031 - Saskatchewan 1261
7.30%
271
25.09%
FILE 10032 - Tug of War 35908
14.22%
4989
45.72%
FILE 10033 - Interpreter 37859
25.23%
6968
78.24%
FILE 10034 - Freckles 51561
32.99%
11702
82.05%
FILE 10035 - Primary Arithmetic 149720
29.82%
33249
87.52%
FILE 10036 - Divisibility 27073
37.57%
5376
85.36%
FILE 10037 - Bridge 27576
25.26%
6060
71.39%
FILE 10038 - Jolly Jumpers 226253
28.34%
45387
84.25%
FILE 10039 - Railroads 6424
28.81%
1404
75.64%
FILE 10040 - Ouroboros Snake 3477
35.92%
677
60.41%
FILE 10041 - Vito's Family 85042
44.12%
24915
88.40%
FILE 10042 - Smith Numbers 21698
36.98%
5965
85.73%
FILE 10043 - Chainsaw Massacre 5452
27.88%
777
67.31%
FILE 10044 - Erdos Numbers 33583
20.16%
4653
71.50%
FILE 10045 - Echo 2272
23.99%
446
46.41%
FILE 10046 - Fold-up Patterns 136
19.85%
57
36.84%
FILE 10047 - The Monocycle 11473
41.58%
2605
86.10%
FILE 10048 - Audiophobia 28257
45.14%
7682
87.67%
FILE 10049 - Self-describing Sequence 8431
51.79%
3517
87.75%
FILE 10050 - Hartals 42234
60.46%
19314
94.62%
FILE 10051 - Tower of Cubes 9999
37.67%
2751
83.97%
FILE 10052 - Inviting Politicians 2553
7.79%
356
22.47%
FILE 10053 - Envelopes 1286
18.35%
347
46.40%
FILE 10054 - The Necklace 39475
26.29%
5552
71.22%
FILE 10055 - Hashmat the Brave Warrior 368974
29.12%
72476
86.79%
FILE 10056 - What is the Probability ? 18244
42.39%
5069
90.12%
FILE 10057 - A mid-summer night's dream. 18699
38.00%
4594
84.33%
FILE 10058 - Jimmi's Riddles 2532
36.73%
887
82.86%
FILE 10059 - The Hazard of CSE Department! 550
1.82%
130
5.38%
FILE 10060 - A hole to catch a man 3739
33.86%
1035
84.64%
FILE 10061 - How many zero's and how many digits ? 10369
30.90%
2336
78.17%
FILE 10062 - Tell me the frequencies! 66703
22.09%
13215
69.78%
FILE 10063 - Knuth's Permutation 6750
42.30%
2382
72.25%
FILE 10064 - Traveling in another Dimension 525
15.43%
159
39.62%
FILE 10065 - Useless Tile Packers 8623
35.87%
2153
84.53%
FILE 10066 - The Twin Towers 25124
47.21%
8539
90.32%
FILE 10067 - Playing with Wheels 20477
42.67%
5758
89.16%
FILE 10068 - The Treasure Hunt 1600
15.06%
367
42.23%
FILE 10069 - Distinct Subsequences 19648
31.24%
4605
76.46%
FILE 10070 - Leap Year or Not Leap Year and ... 62139
15.32%
11951
54.97%
FILE 10071 - Back to High School Physics 190968
47.14%
61129
93.43%
FILE 10072 - Bob Laptop Woolmer and Eddie Desktop Barlow 1651
30.47%
532
58.83%
FILE 10073 - Constrained Exchange Sort 1050
32.67%
192
55.73%
FILE 10074 - Take the Land 15193
51.50%
5040
91.87%
FILE 10075 - Airlines 3763
39.99%
1225
81.55%
FILE 10076 - The Bumpy Robot 1138
27.24%
268
66.42%
FILE 10077 - The Stern-Brocot Number System 16438
56.51%
6656
93.37%
FILE 10078 - The Art Gallery 9221
46.87%
2742
90.15%
FILE 10079 - Pizza Cutting 54756
44.29%
18568
94.17%
FILE 10080 - Gopher II 16954
38.91%
3338
86.07%
FILE 10081 - Tight Words 5632
52.01%
2276
90.38%
FILE 10082 - WERTYU 111410
40.75%
30996
90.71%
FILE 10083 - Division 25038
40.41%
2018
64.77%
FILE 10084 - Hotter Colder 2238
36.42%
583
75.30%
FILE 10085 - The most distant state 2406
46.80%
749
86.25%
FILE 10086 - Test the Rods 2436
44.42%
775
87.23%
FILE 10087 - The Tajmahal of ++Y2k 601
29.28%
191
69.63%
FILE 10088 - Trees on My Island 6674
37.86%
1640
87.74%
FILE 10089 - Repackaging 4573
33.79%
1232
76.62%
FILE 10090 - Marbles 20771
26.38%
4296
72.32%
FILE 10091 - The Valentine's Day 1350
22.37%
346
65.90%
FILE 10092 - The Problem with the Problem Setter 9588
40.40%
2240
84.33%
FILE 10093 - An Easy Problem! 25903
25.36%
5212
71.72%
FILE 10094 - Place the Guards 2527
29.48%
778
64.91%
FILE 10095 - Saving the Planet 1093
18.85%
201
55.22%
FILE 10096 - The Richest Man of the Universe 2413
3.11%
322
13.98%
FILE 10097 - The Color Game 1483
51.58%
650
84.00%
FILE 10098 - Generating Fast 26718
44.95%
8467
86.12%
FILE 10099 - The Tourist Guide 36971
32.32%
8073
84.52%
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