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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 10000 - Longest Paths 35270
25.20%
8188
65.01%
FILE 10001 - Garden of Eden 6919
40.73%
2496
72.56%
FILE 10002 - Center of Masses 11387
29.19%
2382
68.39%
FILE 10003 - Cutting Sticks 55681
48.43%
14927
89.98%
FILE 10004 - Bicoloring 83173
49.77%
22684
90.85%
FILE 10005 - Packing polygons 11979
19.68%
2752
53.82%
FILE 10006 - Carmichael Numbers 44764
37.98%
10841
85.39%
FILE 10007 - Count the Trees 8702
45.00%
3533
77.72%
FILE 10008 - What's Cryptanalysis? 41584
57.35%
17458
93.91%
FILE 10009 - All Roads Lead Where? 15588
34.58%
4392
82.42%
FILE 10010 - Where's Waldorf? 45083
31.23%
11397
82.10%
FILE 10011 - Where Can You Hide? 4128
10.54%
592
39.86%
FILE 10012 - How Big Is It? 11096
30.12%
2596
69.88%
FILE 10013 - Super long sums 53665
27.51%
10094
67.31%
FILE 10014 - Simple calculations 12658
31.81%
4097
70.88%
FILE 10015 - Joseph's Cousin 9795
30.64%
3522
53.32%
FILE 10016 - Flip-Flop the Squarelotron 2960
47.43%
1278
79.89%
FILE 10017 - The Never Ending Towers of Hanoi 6724
25.10%
1864
56.49%
FILE 10018 - Reverse and Add 103597
42.44%
27754
88.65%
FILE 10019 - Funny Encryption Method 22439
70.86%
12324
96.26%
FILE 10020 - Minimal coverage 28177
27.20%
5349
68.50%
FILE 10021 - Cube in the labirint 1689
22.97%
497
64.59%
FILE 10022 - Delta-wave 2528
29.94%
971
64.37%
FILE 10023 - Square root 45475
20.91%
6250
31.01%
FILE 10024 - Curling up the cube 2130
24.65%
669
55.61%
FILE 10025 - The ? 1 ? 2 ? ... ? n = k problem 17599
28.51%
4453
77.68%
FILE 10026 - Shoemaker's Problem 38055
33.69%
9091
83.31%
FILE 10027 - Language Cardinality 2499
13.65%
504
51.98%
FILE 10028 - Demerit Points 1542
24.51%
416
58.89%
FILE 10029 - Edit Step Ladders 14747
22.81%
2653
64.61%
FILE 10030 - Computer Dialogue 1015
27.00%
391
39.64%
FILE 10031 - Saskatchewan 1236
6.88%
264
23.86%
FILE 10032 - Tug of War 35375
14.09%
4918
45.30%
FILE 10033 - Interpreter 36732
24.60%
6548
77.37%
FILE 10034 - Freckles 50203
32.85%
11561
81.99%
FILE 10035 - Primary Arithmetic 141760
29.28%
31732
87.10%
FILE 10036 - Divisibility 24451
37.28%
5164
85.22%
FILE 10037 - Bridge 26123
24.53%
5589
70.03%
FILE 10038 - Jolly Jumpers 217242
27.86%
43559
83.92%
FILE 10039 - Railroads 6224
28.87%
1376
75.29%
FILE 10040 - Ouroboros Snake 3361
36.39%
655
60.46%
FILE 10041 - Vito's Family 79724
43.23%
23355
87.88%
FILE 10042 - Smith Numbers 21099
36.69%
5871
85.54%
FILE 10043 - Chainsaw Massacre 5382
28.00%
767
67.28%
FILE 10044 - Erdos Numbers 32378
19.49%
4328
70.24%
FILE 10045 - Echo 2235
23.94%
437
46.00%
FILE 10046 - Fold-up Patterns 133
20.30%
54
38.89%
FILE 10047 - The Monocycle 11095
41.76%
2547
86.18%
FILE 10048 - Audiophobia 26946
45.16%
7506
87.60%
FILE 10049 - Self-describing Sequence 8063
51.89%
3393
87.89%
FILE 10050 - Hartals 39525
60.07%
18163
94.41%
FILE 10051 - Tower of Cubes 9684
37.61%
2716
83.98%
FILE 10052 - Inviting Politicians 2516
7.83%
348
22.70%
FILE 10053 - Envelopes 1283
18.32%
344
46.51%
FILE 10054 - The Necklace 37905
26.00%
5401
70.78%
FILE 10055 - Hashmat the Brave Warrior 357228
29.02%
71206
86.72%
FILE 10056 - What is the Probability ? 16249
42.51%
4704
89.84%
FILE 10057 - A mid-summer night's dream. 16447
37.19%
4217
83.52%
FILE 10058 - Jimmi's Riddles 2489
36.64%
868
83.06%
FILE 10059 - The Hazard of CSE Department! 487
2.05%
117
5.98%
FILE 10060 - A hole to catch a man 3654
33.72%
1026
84.70%
FILE 10061 - How many zero's and how many digits ? 10224
30.96%
2322
78.12%
FILE 10062 - Tell me the frequencies! 63114
21.73%
12814
69.21%
FILE 10063 - Knuth's Permutation 6489
42.26%
2343
72.39%
FILE 10064 - Traveling in another Dimension 504
15.48%
153
39.87%
FILE 10065 - Useless Tile Packers 8415
35.53%
2139
84.53%
FILE 10066 - The Twin Towers 24369
47.20%
8452
90.30%
FILE 10067 - Playing with Wheels 20298
42.56%
5715
89.12%
FILE 10068 - The Treasure Hunt 1597
15.03%
365
42.19%
FILE 10069 - Distinct Subsequences 19240
30.94%
4534
76.47%
FILE 10070 - Leap Year or Not Leap Year and ... 61128
15.28%
11860
54.95%
FILE 10071 - Back to High School Physics 181049
47.40%
59645
93.41%
FILE 10072 - Bob Laptop Woolmer and Eddie Desktop Barlow 1636
30.38%
525
58.86%
FILE 10073 - Constrained Exchange Sort 1037
32.21%
189
55.56%
FILE 10074 - Take the Land 14762
51.29%
4953
91.82%
FILE 10075 - Airlines 3717
39.84%
1207
81.36%
FILE 10076 - The Bumpy Robot 1135
27.22%
267
66.29%
FILE 10077 - The Stern-Brocot Number System 15537
56.12%
6264
93.37%
FILE 10078 - The Art Gallery 8809
46.63%
2703
90.27%
FILE 10079 - Pizza Cutting 53254
44.39%
18441
94.17%
FILE 10080 - Gopher II 16653
38.98%
3287
85.98%
FILE 10081 - Tight Words 5242
52.98%
2200
90.50%
FILE 10082 - WERTYU 107529
40.45%
29776
90.59%
FILE 10083 - Division 20670
37.44%
1923
63.81%
FILE 10084 - Hotter Colder 2170
36.41%
569
75.40%
FILE 10085 - The most distant state 2380
46.64%
741
86.10%
FILE 10086 - Test the Rods 2403
44.03%
759
87.09%
FILE 10087 - The Tajmahal of ++Y2k 598
29.26%
190
69.47%
FILE 10088 - Trees on My Island 6585
37.66%
1628
87.65%
FILE 10089 - Repackaging 4493
33.72%
1208
76.66%
FILE 10090 - Marbles 19947
26.03%
4204
72.10%
FILE 10091 - The Valentine's Day 1337
22.44%
338
67.16%
FILE 10092 - The Problem with the Problem Setter 9431
40.20%
2208
84.33%
FILE 10093 - An Easy Problem! 22077
25.54%
4832
70.86%
FILE 10094 - Place the Guards 2468
29.58%
765
65.10%
FILE 10095 - Saving the Planet 1089
18.82%
200
55.00%
FILE 10096 - The Richest Man of the Universe 2383
2.90%
315
13.33%
FILE 10097 - The Color Game 1471
51.60%
645
84.03%
FILE 10098 - Generating Fast 26452
44.81%
8432
86.08%
FILE 10099 - The Tourist Guide 35681
32.17%
7954
84.50%
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