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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 10000 - Longest Paths 36301
25.52%
8309
65.30%
FILE 10001 - Garden of Eden 7073
40.79%
2539
72.78%
FILE 10002 - Center of Masses 11642
29.26%
2401
68.43%
FILE 10003 - Cutting Sticks 58918
48.61%
15393
90.01%
FILE 10004 - Bicoloring 86705
50.16%
23096
90.91%
FILE 10005 - Packing polygons 12542
20.08%
2812
54.16%
FILE 10006 - Carmichael Numbers 45328
38.01%
10945
85.37%
FILE 10007 - Count the Trees 9120
44.88%
3591
77.83%
FILE 10008 - What's Cryptanalysis? 44322
57.28%
17980
94.00%
FILE 10009 - All Roads Lead Where? 15888
34.77%
4446
82.48%
FILE 10010 - Where's Waldorf? 46667
32.04%
12121
82.79%
FILE 10011 - Where Can You Hide? 4167
10.63%
600
40.50%
FILE 10012 - How Big Is It? 11640
30.53%
2652
70.06%
FILE 10013 - Super long sums 54254
27.70%
10167
67.45%
FILE 10014 - Simple calculations 12738
31.81%
4117
70.90%
FILE 10015 - Joseph's Cousin 10137
31.07%
3580
53.99%
FILE 10016 - Flip-Flop the Squarelotron 3021
47.53%
1297
80.03%
FILE 10017 - The Never Ending Towers of Hanoi 6879
24.99%
1876
56.72%
FILE 10018 - Reverse and Add 106993
42.81%
28794
88.96%
FILE 10019 - Funny Encryption Method 23998
70.61%
12683
96.28%
FILE 10020 - Minimal coverage 29321
27.70%
5497
69.04%
FILE 10021 - Cube in the labirint 1777
23.69%
512
65.04%
FILE 10022 - Delta-wave 2577
30.15%
983
64.70%
FILE 10023 - Square root 49156
22.93%
6360
31.93%
FILE 10024 - Curling up the cube 2198
25.39%
683
56.22%
FILE 10025 - The ? 1 ? 2 ? ... ? n = k problem 17724
28.60%
4477
77.75%
FILE 10026 - Shoemaker's Problem 39501
34.34%
9653
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 14865
22.98%
2681
64.75%
FILE 10030 - Computer Dialogue 1055
27.49%
398
40.45%
FILE 10031 - Saskatchewan 1261
7.30%
271
25.09%
FILE 10032 - Tug of War 35896
14.22%
4988
45.71%
FILE 10033 - Interpreter 37858
25.23%
6967
78.24%
FILE 10034 - Freckles 51450
32.98%
11693
82.04%
FILE 10035 - Primary Arithmetic 149190
29.80%
33206
87.51%
FILE 10036 - Divisibility 26892
37.53%
5367
85.34%
FILE 10037 - Bridge 27543
25.24%
6055
71.38%
FILE 10038 - Jolly Jumpers 225706
28.30%
45333
84.24%
FILE 10039 - Railroads 6420
28.83%
1404
75.64%
FILE 10040 - Ouroboros Snake 3431
36.37%
673
60.77%
FILE 10041 - Vito's Family 84681
44.05%
24857
88.37%
FILE 10042 - Smith Numbers 21558
36.91%
5957
85.71%
FILE 10043 - Chainsaw Massacre 5452
27.88%
777
67.31%
FILE 10044 - Erdos Numbers 33573
20.14%
4652
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 28189
45.13%
7674
87.67%
FILE 10049 - Self-describing Sequence 8402
51.82%
3515
87.74%
FILE 10050 - Hartals 41970
60.47%
19239
94.60%
FILE 10051 - Tower of Cubes 9968
37.58%
2744
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 39427
26.26%
5546
71.19%
FILE 10055 - Hashmat the Brave Warrior 367366
29.09%
72346
86.78%
FILE 10056 - What is the Probability ? 18073
42.37%
5040
90.06%
FILE 10057 - A mid-summer night's dream. 18510
37.93%
4561
84.21%
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 3734
33.88%
1035
84.64%
FILE 10061 - How many zero's and how many digits ? 10342
30.90%
2334
78.15%
FILE 10062 - Tell me the frequencies! 66489
22.06%
13190
69.76%
FILE 10063 - Knuth's Permutation 6749
42.30%
2381
72.28%
FILE 10064 - Traveling in another Dimension 525
15.43%
159
39.62%
FILE 10065 - Useless Tile Packers 8594
35.87%
2153
84.53%
FILE 10066 - The Twin Towers 25026
47.25%
8531
90.31%
FILE 10067 - Playing with Wheels 20473
42.67%
5756
89.16%
FILE 10068 - The Treasure Hunt 1600
15.06%
367
42.23%
FILE 10069 - Distinct Subsequences 19637
31.24%
4603
76.45%
FILE 10070 - Leap Year or Not Leap Year and ... 62114
15.31%
11950
54.96%
FILE 10071 - Back to High School Physics 189921
47.17%
60985
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 15177
51.48%
5037
91.86%
FILE 10075 - Airlines 3758
39.94%
1224
81.54%
FILE 10076 - The Bumpy Robot 1138
27.24%
268
66.42%
FILE 10077 - The Stern-Brocot Number System 16410
56.53%
6651
93.38%
FILE 10078 - The Art Gallery 9217
46.86%
2741
90.15%
FILE 10079 - Pizza Cutting 54722
44.29%
18563
94.18%
FILE 10080 - Gopher II 16916
38.94%
3335
86.06%
FILE 10081 - Tight Words 5615
51.97%
2271
90.36%
FILE 10082 - WERTYU 111300
40.74%
30975
90.72%
FILE 10083 - Division 24970
40.47%
2015
64.81%
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 6672
37.86%
1640
87.74%
FILE 10089 - Repackaging 4571
33.76%
1232
76.62%
FILE 10090 - Marbles 20727
26.37%
4292
72.30%
FILE 10091 - The Valentine's Day 1349
22.39%
345
66.09%
FILE 10092 - The Problem with the Problem Setter 9585
40.40%
2240
84.33%
FILE 10093 - An Easy Problem! 25569
25.29%
5185
71.61%
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 26666
44.94%
8465
86.12%
FILE 10099 - The Tourist Guide 36799
32.32%
8055
84.52%
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