Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE uDebug 138 - Street Numbers 20999
45.13%
8521
84.41%
FILE uDebug 10006 - Carmichael Numbers 39662
36.96%
9357
84.35%
FILE uDebug 128 - Software CRC 19389
42.40%
4182
88.74%
FILE uDebug 106 - Fermat vs. Pythagoras 28966
33.89%
6711
66.82%
FILE uDebug 10673 - Play with Floor and Ceil 10583
47.44%
3486
88.73%
FILE uDebug 11121 - Base -2 5281
58.55%
2255
94.28%
FILE uDebug 10791 - Minimum Sum LCM 19536
27.01%
2681
81.98%
FILE uDebug 10717 - Mint 5086
40.80%
1623
87.49%
FILE uDebug 10820 - Send a Table 7399
57.86%
2131
90.66%
FILE uDebug 571 - Jugs 7855
43.39%
2562
87.12%
FILE uDebug 11029 - Leading and Trailing 4617
37.45%
1272
87.19%
FILE uDebug 10023 - Square root 30595
11.20%
5741
27.26%
FILE uDebug 10308 - Roads in the North 6251
36.73%
1489
71.52%
FILE uDebug 10105 - Polynomial Coefficients 8402
62.93%
3814
92.71%
FILE uDebug 10375 - Choose and divide 8146
48.32%
2159
83.28%
FILE uDebug 11027 - Palindromic Permutation 1482
37.99%
454
77.97%
FILE uDebug 10056 - What is the Probability ? 10451
41.26%
3383
88.56%
FILE uDebug 10491 - Cows and Cars 7946
67.03%
3389
95.99%
FILE uDebug 10759 - Dice Throwing 3136
62.05%
1411
96.67%
FILE uDebug 542 - France '98 3107
62.99%
1707
90.16%
FILE uDebug 10277 - Boastin' Red Socks 2143
28.00%
482
79.88%
FILE uDebug 10169 - Urn-ball Probabilities! 1861
36.27%
563
74.78%
FILE uDebug 11181 - Probability|Given 3772
57.98%
897
96.43%
FILE uDebug 557 - Burger 3757
36.89%
1274
58.48%
FILE uDebug 10900 - So you want to be a 2n-aire? 1396
77.65%
639
92.80%
FILE uDebug 11176 - Winning Streak 1447
53.28%
535
87.10%
FILE uDebug 10417 - Gift Exchanging 1031
35.40%
292
78.08%
FILE uDebug 10183 - How Many Fibs? 21742
31.64%
5891
82.40%
FILE uDebug 10303 - How Many Trees? 6885
40.71%
2607
79.36%
FILE uDebug 10518 - How Many Calls? 4418
42.30%
1281
88.13%
FILE uDebug 10862 - Connect the Cable Wires 3383
55.66%
1494
91.83%
FILE uDebug 10334 - Ray Through Glasses 11041
53.21%
5273
89.00%
FILE uDebug 10229 - Modular Fibonacci 15079
35.80%
4581
79.20%
FILE uDebug 763 - Fibinary Numbers 10608
23.48%
2380
70.84%
FILE uDebug 10236 - The Fibonacci Primes 3589
24.19%
649
60.25%
FILE uDebug 991 - Safe Salutations 8027
39.69%
2581
91.59%
FILE uDebug 10079 - Pizza Cutting 47313
44.36%
17184
94.18%
FILE uDebug 10940 - Throwing cards away II 11237
50.45%
4059
86.30%
FILE uDebug 10359 - Tiling 4089
55.47%
1864
95.33%
FILE uDebug 10519 - !! Really Strange !! 4735
37.66%
1715
84.84%
FILE uDebug 10918 - Tri Tiling 4682
60.17%
2145
96.46%
FILE uDebug 11069 - A Graph Problem 5199
71.65%
2728
97.65%
FILE uDebug 10910 - Marks Distribution 5849
51.80%
2209
93.21%
FILE uDebug 10254 - The Priest Mathematician 5033
44.74%
1398
86.05%
FILE uDebug 10328 - Coin Toss 2454
40.63%
737
79.24%
FILE uDebug 10157 - Expressions 4769
32.75%
1201
70.69%
FILE uDebug 10247 - Complete Tree Labeling 3130
39.81%
952
80.78%
FILE uDebug 10516 - Another Counting Problem 741
44.53%
309
88.35%
FILE uDebug 10128 - Queue 6941
49.27%
2131
88.46%
FILE uDebug 10081 - Tight Words 4382
53.54%
1970
90.66%
FILE uDebug 10943 - How do you add? 17406
49.10%
5211
93.76%
FILE uDebug 10721 - Bar Codes 7601
52.87%
2911
94.19%
FILE uDebug 10912 - Simple Minded Hashing 5612
39.88%
1633
88.67%
FILE uDebug 10616 - Divisible Group Sums 11948
36.77%
3235
89.64%
FILE uDebug 11125 - Arrange Some Marbles 1397
37.51%
393
86.01%
FILE uDebug 10205 - Stack 'em Up 15939
30.74%
4314
80.25%
FILE uDebug 701 - The Archeologists' Dilemma 21630
31.46%
3837
65.86%
FILE uDebug 696 - How Many Knights 13454
38.43%
4226
88.10%
FILE uDebug 254 - Towers of Hanoi 6567
20.30%
1658
51.03%
FILE uDebug 10994 - Simple Addition 9011
28.18%
2564
64.51%
FILE uDebug 306 - Cipher 10357
21.33%
2181
60.52%
FILE uDebug 10570 - Meeting with Aliens 2773
42.70%
685
81.75%
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