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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 11768 - Lattice Point or Not 2546
22.62%
259
73.75%
FILE 1426 - Discrete Square Roots 270
53.33%
94
81.91%
FILE 1431 - Cryptography Reloaded 138
39.86%
46
76.09%
FILE 1521 - GCD Guessing Game 792
44.44%
249
85.94%
FILE 11014 - Make a Crystal 848
48.70%
229
73.80%
FILE 1126 - Payment System 76
23.68%
34
41.18%
FILE 12119 - The Bells are Ringing 635
30.71%
117
82.91%
FILE 1404 - Prime k-tuple 607
43.49%
99
73.74%
FILE 1323 - Vivian's Problem 185
47.03%
53
79.25%
FILE 1341 - Different Digits 368
29.08%
79
69.62%
FILE 1363 - Joseph's Problem 3145
41.08%
742
81.27%
FILE 1434 - YAPTCHA 1277
58.42%
413
95.40%
FILE 10162 - Last Digit 9084
38.94%
3080
80.10%
FILE 10236 - The Fibonacci Primes 3916
25.26%
722
62.19%
FILE 10413 - Crazy Savages 1756
34.11%
343
75.22%
FILE 10548 - Find the Right Changes 1214
24.38%
256
73.44%
FILE 10555 - Dead Fraction 2130
38.83%
736
79.35%
FILE 10620 - A Flea on a Chessboard 3163
40.25%
867
85.35%
FILE 10627 - Infinite Race 1954
17.86%
358
48.60%
FILE 10837 - A Research Problem 1508
36.07%
249
81.53%
FILE 11237 - Halloween treats 2047
43.19%
609
85.55%
FILE 11440 - Help Tomisu 1378
67.71%
395
95.19%
FILE 11657 - Rational Billiard 693
17.32%
93
67.74%
FILE 10542 - Hyper-drive 890
30.90%
256
76.95%
FILE 10831 - Gerg's Cake 1569
30.59%
390
75.90%
FILE 11024 - Circular Lock 612
43.46%
266
83.08%
FILE 11246 - K-Multiple Free set 1556
70.69%
766
92.30%
FILE 11256 - Repetitive Multiple 614
30.94%
185
74.05%
FILE 11317 - GCD+LCM 744
42.20%
193
82.38%
FILE 12009 - Avaricious Maryanna 1218
34.24%
143
79.02%
FILE 1549 - Lattice Point 229
55.02%
119
84.03%
FILE 1550 - Coin Exchange 52
28.85%
27
51.85%
FILE 1538 - Poly-polygonal Numbers 110
27.27%
38
55.26%
FILE 1539 - Rational Approximation 66
27.27%
32
46.88%
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