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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 138 - Street Numbers 22150
45.46%
8998
84.76%
FILE 10006 - Carmichael Numbers 45445
38.03%
10955
85.39%
FILE 128 - Software CRC 20251
42.92%
4536
88.05%
FILE 106 - Fermat vs. Pythagoras 30257
34.12%
7134
67.40%
FILE 10673 - Play with Floor and Ceil 12633
48.47%
3897
88.97%
FILE 11121 - Base -2 6096
58.05%
2468
94.37%
FILE 10791 - Minimum Sum LCM 24589
27.28%
3293
83.05%
FILE 10717 - Mint 7498
39.93%
2249
87.64%
FILE 10820 - Send a Table 9241
59.19%
2678
91.45%
FILE 571 - Jugs 10259
45.78%
3046
87.69%
FILE 11029 - Leading and Trailing 10943
33.24%
2692
79.01%
FILE 10023 - Square root 49183
22.93%
6364
31.96%
FILE 10308 - Roads in the North 9455
34.97%
1928
72.61%
FILE 10105 - Polynomial Coefficients 9660
63.55%
4553
92.69%
FILE 10375 - Choose and divide 9931
49.75%
2547
84.10%
FILE 11027 - Palindromic Permutation 1852
39.04%
476
77.73%
FILE 10056 - What is the Probability ? 18262
42.40%
5071
90.14%
FILE 10491 - Cows and Cars 10115
67.86%
4124
96.12%
FILE 10759 - Dice Throwing 3766
61.90%
1611
96.59%
FILE 542 - France '98 3402
62.58%
1822
90.12%
FILE 10277 - Boastin' Red Socks 2386
27.37%
516
79.07%
FILE 10169 - Urn-ball Probabilities! 2210
37.87%
644
76.86%
FILE 11181 - Probability|Given 6333
57.10%
1592
95.98%
FILE 557 - Burger 4408
38.52%
1426
62.06%
FILE 10900 - So you want to be a 2n-aire? 1722
78.69%
778
93.32%
FILE 11176 - Winning Streak 1728
53.82%
626
88.18%
FILE 10417 - Gift Exchanging 1098
35.88%
324
73.46%
FILE 10183 - How Many Fibs? 25525
33.70%
7443
83.81%
FILE 10303 - How Many Trees? 7411
40.71%
2750
79.38%
FILE 10518 - How Many Calls? 5512
44.48%
1414
88.54%
FILE 10862 - Connect the Cable Wires 3645
55.78%
1592
91.52%
FILE 10334 - Ray Through Glasses 12534
52.10%
5708
89.03%
FILE 10229 - Modular Fibonacci 18865
36.96%
5258
79.92%
FILE 763 - Fibinary Numbers 11592
24.00%
2594
71.78%
FILE 10236 - The Fibonacci Primes 3893
25.20%
715
62.10%
FILE 991 - Safe Salutations 10832
37.94%
3169
90.94%
FILE 10079 - Pizza Cutting 54768
44.28%
18568
94.17%
FILE 10940 - Throwing cards away II 12508
49.62%
4371
86.11%
FILE 10359 - Tiling 4909
53.19%
2076
94.03%
FILE 10519 - !! Really Strange !! 4875
37.91%
1773
84.60%
FILE 10918 - Tri Tiling 5709
60.05%
2421
96.32%
FILE 11069 - A Graph Problem 5916
72.24%
3036
97.60%
FILE 10910 - Marks Distribution 6758
52.29%
2505
93.21%
FILE 10254 - The Priest Mathematician 5850
45.38%
1758
86.12%
FILE 10328 - Coin Toss 2971
39.82%
851
78.85%
FILE 10157 - Expressions 5710
33.24%
1539
70.18%
FILE 10247 - Complete Tree Labeling 3790
40.79%
1175
81.02%
FILE 10516 - Another Counting Problem 803
45.70%
331
89.43%
FILE 10128 - Queue 8715
51.24%
2966
89.21%
FILE 10081 - Tight Words 5634
51.99%
2277
90.34%
FILE 10943 - How do you add? 20725
49.27%
6096
93.80%
FILE 10721 - Bar Codes 9683
53.17%
3436
94.44%
FILE 10912 - Simple Minded Hashing 7788
40.52%
2103
89.44%
FILE 10616 - Divisible Group Sums 16051
37.15%
3898
90.46%
FILE 11125 - Arrange Some Marbles 1500
38.40%
420
86.19%
FILE 10205 - Stack 'em Up 19374
32.96%
5541
82.82%
FILE 701 - The Archeologists' Dilemma 23351
32.43%
4574
68.61%
FILE 696 - How Many Knights 16888
38.76%
5049
89.01%
FILE 254 - Towers of Hanoi 7030
19.93%
1771
50.20%
FILE 10994 - Simple Addition 12012
29.36%
2745
64.88%
FILE 306 - Cipher 11487
22.23%
2475
63.27%
FILE 10570 - Meeting with Aliens 3536
43.98%
818
83.37%
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Display # Results 1 - 62 of 62