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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 10000 - Longest Paths 36334
25.53%
8315
65.30%
FILE 10001 - Garden of Eden 7082
40.81%
2542
72.78%
FILE 10002 - Center of Masses 11665
29.28%
2404
68.47%
FILE 10003 - Cutting Sticks 59044
48.62%
15429
90.03%
FILE 10004 - Bicoloring 86797
50.17%
23119
90.92%
FILE 10005 - Packing polygons 12626
20.00%
2814
54.19%
FILE 10006 - Carmichael Numbers 45393
38.03%
10954
85.38%
FILE 10007 - Count the Trees 9146
44.89%
3593
77.85%
FILE 10008 - What's Cryptanalysis? 44507
57.31%
18014
94.01%
FILE 10009 - All Roads Lead Where? 15905
34.78%
4450
82.49%
FILE 10010 - Where's Waldorf? 46716
32.05%
12132
82.80%
FILE 10011 - Where Can You Hide? 4167
10.63%
600
40.50%
FILE 10012 - How Big Is It? 11670
30.55%
2655
70.09%
FILE 10013 - Super long sums 54274
27.70%
10168
67.45%
FILE 10014 - Simple calculations 12759
31.81%
4119
70.92%
FILE 10015 - Joseph's Cousin 10159
31.12%
3582
54.02%
FILE 10016 - Flip-Flop the Squarelotron 3025
47.54%
1298
79.97%
FILE 10017 - The Never Ending Towers of Hanoi 6997
24.65%
1876
56.72%
FILE 10018 - Reverse and Add 107043
42.82%
28801
88.96%
FILE 10019 - Funny Encryption Method 24093
70.65%
12711
96.29%
FILE 10020 - Minimal coverage 29392
27.76%
5501
69.06%
FILE 10021 - Cube in the labirint 1778
23.73%
513
65.11%
FILE 10022 - Delta-wave 2577
30.15%
983
64.70%
FILE 10023 - Square root 49169
22.93%
6362
31.94%
FILE 10024 - Curling up the cube 2198
25.39%
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 14867
22.98%
2682
64.77%
FILE 10030 - Computer Dialogue 1055
27.49%
398
40.45%
FILE 10031 - Saskatchewan 1261
7.30%
271
25.09%
FILE 10032 - Tug of War 35907
14.21%
4989
45.72%
FILE 10033 - Interpreter 37859
25.23%
6968
78.24%
FILE 10034 - Freckles 51520
32.99%
11699
82.05%
FILE 10035 - Primary Arithmetic 149664
29.81%
33240
87.52%
FILE 10036 - Divisibility 27008
37.56%
5375
85.36%
FILE 10037 - Bridge 27576
25.26%
6060
71.39%
FILE 10038 - Jolly Jumpers 226196
28.33%
45380
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 84970
44.10%
24901
88.40%
FILE 10042 - Smith Numbers 21669
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 28219
45.13%
7680
87.67%
FILE 10049 - Self-describing Sequence 8429
51.79%
3516
87.74%
FILE 10050 - Hartals 42124
60.47%
19272
94.60%
FILE 10051 - Tower of Cubes 9975
37.60%
2748
83.95%
FILE 10052 - Inviting Politicians 2553
7.79%
356
22.47%
FILE 10053 - Envelopes 1286
18.35%
347
46.40%
FILE 10054 - The Necklace 39462
26.28%
5551
71.21%
FILE 10055 - Hashmat the Brave Warrior 368713
29.11%
72447
86.79%
FILE 10056 - What is the Probability ? 18221
42.39%
5064
90.11%
FILE 10057 - A mid-summer night's dream. 18672
37.99%
4588
84.31%
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! 66684
22.09%
13212
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 8619
35.86%
2153
84.53%
FILE 10066 - The Twin Towers 25115
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 19644
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 190670
47.16%
61097
93.42%
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 15187
51.49%
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 54751
44.29%
18567
94.17%
FILE 10080 - Gopher II 16953
38.90%
3338
86.07%
FILE 10081 - Tight Words 5627
51.98%
2274
90.37%
FILE 10082 - WERTYU 111394
40.75%
30991
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 598
29.26%
190
69.47%
FILE 10088 - Trees on My Island 6674
37.86%
1640
87.74%
FILE 10089 - Repackaging 4573
33.79%
1232
76.62%
FILE 10090 - Marbles 20760
26.38%
4295
72.32%
FILE 10091 - The Valentine's Day 1349
22.39%
345
66.09%
FILE 10092 - The Problem with the Problem Setter 9587
40.40%
2240
84.33%
FILE 10093 - An Easy Problem! 25875
25.35%
5211
71.71%
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 36900
32.32%
8061
84.51%
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