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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 10000 - Longest Paths 36546
25.61%
8362
65.39%
FILE 10001 - Garden of Eden 7218
41.09%
2562
72.79%
FILE 10002 - Center of Masses 11708
29.30%
2413
68.46%
FILE 10003 - Cutting Sticks 60357
48.75%
15556
90.04%
FILE 10004 - Bicoloring 88187
50.43%
23235
90.96%
FILE 10005 - Packing polygons 12707
20.10%
2825
54.23%
FILE 10006 - Carmichael Numbers 45585
38.05%
10981
85.39%
FILE 10007 - Count the Trees 9232
45.03%
3614
77.92%
FILE 10008 - What's Cryptanalysis? 45552
57.52%
18231
94.08%
FILE 10009 - All Roads Lead Where? 15975
34.80%
4462
82.50%
FILE 10010 - Where's Waldorf? 47237
32.33%
12311
83.00%
FILE 10011 - Where Can You Hide? 4238
10.71%
617
40.84%
FILE 10012 - How Big Is It? 11898
30.89%
2676
70.22%
FILE 10013 - Super long sums 54548
27.82%
10185
67.48%
FILE 10014 - Simple calculations 12801
31.83%
4128
70.95%
FILE 10015 - Joseph's Cousin 10279
31.23%
3603
54.23%
FILE 10016 - Flip-Flop the Squarelotron 3035
47.48%
1303
79.89%
FILE 10017 - The Never Ending Towers of Hanoi 7153
24.42%
1882
56.75%
FILE 10018 - Reverse and Add 107624
42.93%
28913
88.99%
FILE 10019 - Funny Encryption Method 24664
70.71%
12869
96.32%
FILE 10020 - Minimal coverage 29742
28.09%
5557
69.19%
FILE 10021 - Cube in the labirint 1791
23.73%
516
64.92%
FILE 10022 - Delta-wave 2587
30.11%
987
64.64%
FILE 10023 - Square root 50796
23.12%
6438
32.73%
FILE 10024 - Curling up the cube 2255
25.76%
694
56.77%
FILE 10025 - The ? 1 ? 2 ? ... ? n = k problem 17847
28.62%
4487
77.76%
FILE 10026 - Shoemaker's Problem 40067
34.52%
9765
84.01%
FILE 10027 - Language Cardinality 2600
13.62%
513
52.44%
FILE 10028 - Demerit Points 1586
24.46%
426
59.15%
FILE 10029 - Edit Step Ladders 15009
23.13%
2698
64.75%
FILE 10030 - Computer Dialogue 1060
27.64%
401
40.90%
FILE 10031 - Saskatchewan 1270
7.40%
274
25.55%
FILE 10032 - Tug of War 36098
14.30%
5014
45.95%
FILE 10033 - Interpreter 38516
25.52%
7141
78.59%
FILE 10034 - Freckles 52464
33.19%
11759
82.09%
FILE 10035 - Primary Arithmetic 152016
29.95%
33572
87.62%
FILE 10036 - Divisibility 27929
37.75%
5433
85.48%
FILE 10037 - Bridge 27790
25.38%
6107
71.52%
FILE 10038 - Jolly Jumpers 228559
28.51%
45824
84.35%
FILE 10039 - Railroads 6467
28.78%
1413
75.44%
FILE 10040 - Ouroboros Snake 3488
35.92%
681
60.35%
FILE 10041 - Vito's Family 86584
44.40%
25303
88.53%
FILE 10042 - Smith Numbers 21859
37.01%
5996
85.76%
FILE 10043 - Chainsaw Massacre 5464
27.91%
782
67.26%
FILE 10044 - Erdos Numbers 33978
20.40%
4707
71.68%
FILE 10045 - Echo 2284
23.91%
449
46.33%
FILE 10046 - Fold-up Patterns 140
19.29%
60
35.00%
FILE 10047 - The Monocycle 11663
41.66%
2620
86.15%
FILE 10048 - Audiophobia 28588
45.11%
7723
87.65%
FILE 10049 - Self-describing Sequence 8492
51.77%
3536
87.73%
FILE 10050 - Hartals 42895
60.69%
19556
94.68%
FILE 10051 - Tower of Cubes 10167
37.52%
2773
83.95%
FILE 10052 - Inviting Politicians 2675
7.51%
360
22.78%
FILE 10053 - Envelopes 1298
18.49%
352
46.31%
FILE 10054 - The Necklace 39957
26.39%
5578
71.30%
FILE 10055 - Hashmat the Brave Warrior 371350
29.21%
72778
86.83%
FILE 10056 - What is the Probability ? 19231
42.55%
5251
90.40%
FILE 10057 - A mid-summer night's dream. 19538
38.45%
4748
84.73%
FILE 10058 - Jimmi's Riddles 2545
36.82%
892
82.85%
FILE 10059 - The Hazard of CSE Department! 554
1.81%
132
5.30%
FILE 10060 - A hole to catch a man 3757
33.88%
1038
84.59%
FILE 10061 - How many zero's and how many digits ? 10428
31.02%
2342
78.18%
FILE 10062 - Tell me the frequencies! 67683
22.40%
13376
70.07%
FILE 10063 - Knuth's Permutation 6769
42.22%
2389
72.16%
FILE 10064 - Traveling in another Dimension 553
15.01%
162
39.51%
FILE 10065 - Useless Tile Packers 8677
35.96%
2160
84.49%
FILE 10066 - The Twin Towers 25290
47.18%
8556
90.30%
FILE 10067 - Playing with Wheels 20533
42.72%
5774
89.18%
FILE 10068 - The Treasure Hunt 1606
15.07%
370
42.16%
FILE 10069 - Distinct Subsequences 19853
31.38%
4616
76.47%
FILE 10070 - Leap Year or Not Leap Year and ... 62629
15.32%
11961
54.99%
FILE 10071 - Back to High School Physics 192789
47.16%
61466
93.44%
FILE 10072 - Bob Laptop Woolmer and Eddie Desktop Barlow 1657
30.42%
534
58.80%
FILE 10073 - Constrained Exchange Sort 1051
32.64%
193
55.44%
FILE 10074 - Take the Land 15252
51.49%
5053
91.87%
FILE 10075 - Airlines 3798
40.26%
1234
81.52%
FILE 10076 - The Bumpy Robot 1159
27.09%
273
66.30%
FILE 10077 - The Stern-Brocot Number System 16563
56.57%
6716
93.40%
FILE 10078 - The Art Gallery 9449
47.03%
2760
90.18%
FILE 10079 - Pizza Cutting 55375
44.36%
18659
94.19%
FILE 10080 - Gopher II 17013
38.91%
3352
86.07%
FILE 10081 - Tight Words 5696
52.02%
2290
90.35%
FILE 10082 - WERTYU 112392
40.83%
31225
90.74%
FILE 10083 - Division 25088
40.37%
2025
64.79%
FILE 10084 - Hotter Colder 2263
36.54%
591
75.13%
FILE 10085 - The most distant state 2442
47.05%
753
86.19%
FILE 10086 - Test the Rods 2441
44.45%
778
87.15%
FILE 10087 - The Tajmahal of ++Y2k 608
28.95%
193
68.91%
FILE 10088 - Trees on My Island 6754
38.16%
1656
87.80%
FILE 10089 - Repackaging 4611
33.72%
1238
76.66%
FILE 10090 - Marbles 21051
26.56%
4320
72.36%
FILE 10091 - The Valentine's Day 1360
22.21%
351
64.96%
FILE 10092 - The Problem with the Problem Setter 9622
40.52%
2245
84.32%
FILE 10093 - An Easy Problem! 27047
25.66%
5356
72.27%
FILE 10094 - Place the Guards 2528
29.47%
779
64.83%
FILE 10095 - Saving the Planet 1099
18.84%
204
54.90%
FILE 10096 - The Richest Man of the Universe 2424
3.09%
324
13.89%
FILE 10097 - The Color Game 1493
51.37%
654
83.79%
FILE 10098 - Generating Fast 26794
45.00%
8478
86.13%
FILE 10099 - The Tourist Guide 37534
32.44%
8128
84.53%
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