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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 10000 - Longest Paths 36416
25.57%
8342
65.34%
FILE 10001 - Garden of Eden 7166
41.03%
2552
72.77%
FILE 10002 - Center of Masses 11686
29.30%
2410
68.46%
FILE 10003 - Cutting Sticks 59546
48.60%
15465
90.02%
FILE 10004 - Bicoloring 87507
50.24%
23150
90.92%
FILE 10005 - Packing polygons 12681
20.05%
2822
54.18%
FILE 10006 - Carmichael Numbers 45497
38.02%
10960
85.37%
FILE 10007 - Count the Trees 9180
44.99%
3604
77.86%
FILE 10008 - What's Cryptanalysis? 44829
57.37%
18114
94.04%
FILE 10009 - All Roads Lead Where? 15950
34.79%
4459
82.48%
FILE 10010 - Where's Waldorf? 46770
32.07%
12144
82.77%
FILE 10011 - Where Can You Hide? 4234
10.68%
616
40.75%
FILE 10012 - How Big Is It? 11820
30.84%
2665
70.09%
FILE 10013 - Super long sums 54529
27.80%
10180
67.47%
FILE 10014 - Simple calculations 12792
31.79%
4125
70.91%
FILE 10015 - Joseph's Cousin 10197
31.16%
3589
54.08%
FILE 10016 - Flip-Flop the Squarelotron 3031
47.48%
1301
79.86%
FILE 10017 - The Never Ending Towers of Hanoi 7065
24.67%
1880
56.76%
FILE 10018 - Reverse and Add 107117
42.83%
28805
88.96%
FILE 10019 - Funny Encryption Method 24288
70.58%
12786
96.30%
FILE 10020 - Minimal coverage 29474
27.83%
5511
69.04%
FILE 10021 - Cube in the labirint 1786
23.68%
514
64.98%
FILE 10022 - Delta-wave 2582
30.09%
985
64.57%
FILE 10023 - Square root 50731
23.06%
6435
32.68%
FILE 10024 - Curling up the cube 2222
25.61%
688
56.40%
FILE 10025 - The ? 1 ? 2 ? ... ? n = k problem 17783
28.62%
4481
77.75%
FILE 10026 - Shoemaker's Problem 39562
34.35%
9662
83.92%
FILE 10027 - Language Cardinality 2573
13.64%
511
52.45%
FILE 10028 - Demerit Points 1566
24.65%
424
59.20%
FILE 10029 - Edit Step Ladders 14981
23.10%
2695
64.71%
FILE 10030 - Computer Dialogue 1056
27.46%
399
40.35%
FILE 10031 - Saskatchewan 1262
7.29%
272
25.00%
FILE 10032 - Tug of War 35958
14.23%
4997
45.79%
FILE 10033 - Interpreter 37909
25.21%
6972
78.24%
FILE 10034 - Freckles 51950
33.08%
11721
82.05%
FILE 10035 - Primary Arithmetic 150148
29.86%
33352
87.55%
FILE 10036 - Divisibility 27295
37.62%
5393
85.39%
FILE 10037 - Bridge 27612
25.26%
6063
71.38%
FILE 10038 - Jolly Jumpers 226903
28.35%
45443
84.26%
FILE 10039 - Railroads 6440
28.76%
1409
75.44%
FILE 10040 - Ouroboros Snake 3480
35.92%
679
60.24%
FILE 10041 - Vito's Family 85486
44.15%
25022
88.43%
FILE 10042 - Smith Numbers 21729
36.97%
5970
85.73%
FILE 10043 - Chainsaw Massacre 5453
27.87%
778
67.22%
FILE 10044 - Erdos Numbers 33734
20.30%
4658
71.51%
FILE 10045 - Echo 2273
23.98%
447
46.31%
FILE 10046 - Fold-up Patterns 137
19.71%
58
36.21%
FILE 10047 - The Monocycle 11514
41.68%
2610
86.09%
FILE 10048 - Audiophobia 28419
45.11%
7696
87.66%
FILE 10049 - Self-describing Sequence 8434
51.78%
3518
87.72%
FILE 10050 - Hartals 42354
60.47%
19351
94.63%
FILE 10051 - Tower of Cubes 10046
37.72%
2756
83.96%
FILE 10052 - Inviting Politicians 2556
7.79%
357
22.41%
FILE 10053 - Envelopes 1287
18.34%
348
46.26%
FILE 10054 - The Necklace 39595
26.34%
5561
71.25%
FILE 10055 - Hashmat the Brave Warrior 369787
29.14%
72575
86.81%
FILE 10056 - What is the Probability ? 18429
42.36%
5098
90.13%
FILE 10057 - A mid-summer night's dream. 18933
38.12%
4670
84.56%
FILE 10058 - Jimmi's Riddles 2533
36.72%
888
82.77%
FILE 10059 - The Hazard of CSE Department! 551
1.81%
131
5.34%
FILE 10060 - A hole to catch a man 3755
33.85%
1037
84.57%
FILE 10061 - How many zero's and how many digits ? 10374
30.90%
2338
78.14%
FILE 10062 - Tell me the frequencies! 66989
22.18%
13295
69.93%
FILE 10063 - Knuth's Permutation 6754
42.30%
2385
72.24%
FILE 10064 - Traveling in another Dimension 526
15.40%
160
39.38%
FILE 10065 - Useless Tile Packers 8644
35.89%
2154
84.49%
FILE 10066 - The Twin Towers 25187
47.18%
8545
90.30%
FILE 10067 - Playing with Wheels 20484
42.67%
5761
89.15%
FILE 10068 - The Treasure Hunt 1601
15.05%
368
42.12%
FILE 10069 - Distinct Subsequences 19821
31.34%
4607
76.45%
FILE 10070 - Leap Year or Not Leap Year and ... 62190
15.31%
11956
54.97%
FILE 10071 - Back to High School Physics 191628
47.13%
61238
93.43%
FILE 10072 - Bob Laptop Woolmer and Eddie Desktop Barlow 1652
30.45%
533
58.72%
FILE 10073 - Constrained Exchange Sort 1051
32.64%
193
55.44%
FILE 10074 - Take the Land 15199
51.50%
5042
91.85%
FILE 10075 - Airlines 3766
39.96%
1227
81.42%
FILE 10076 - The Bumpy Robot 1139
27.22%
269
66.17%
FILE 10077 - The Stern-Brocot Number System 16458
56.51%
6662
93.37%
FILE 10078 - The Art Gallery 9246
46.89%
2752
90.15%
FILE 10079 - Pizza Cutting 54836
44.30%
18573
94.17%
FILE 10080 - Gopher II 16977
38.90%
3344
86.03%
FILE 10081 - Tight Words 5651
51.92%
2282
90.32%
FILE 10082 - WERTYU 111581
40.74%
31023
90.70%
FILE 10083 - Division 25053
40.40%
2021
64.72%
FILE 10084 - Hotter Colder 2253
36.44%
589
75.21%
FILE 10085 - The most distant state 2407
46.78%
750
86.13%
FILE 10086 - Test the Rods 2437
44.40%
776
87.11%
FILE 10087 - The Tajmahal of ++Y2k 603
29.19%
192
69.27%
FILE 10088 - Trees on My Island 6687
37.85%
1642
87.70%
FILE 10089 - Repackaging 4577
33.80%
1234
76.58%
FILE 10090 - Marbles 20832
26.42%
4301
72.31%
FILE 10091 - The Valentine's Day 1353
22.32%
348
65.52%
FILE 10092 - The Problem with the Problem Setter 9601
40.43%
2242
84.30%
FILE 10093 - An Easy Problem! 26115
25.35%
5233
71.78%
FILE 10094 - Place the Guards 2528
29.47%
779
64.83%
FILE 10095 - Saving the Planet 1094
18.83%
202
54.95%
FILE 10096 - The Richest Man of the Universe 2414
3.11%
323
13.93%
FILE 10097 - The Color Game 1484
51.55%
651
83.87%
FILE 10098 - Generating Fast 26730
44.95%
8471
86.12%
FILE 10099 - The Tourist Guide 37157
32.41%
8092
84.54%
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