Problems

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Submissions Users
Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty  
Hello World! 71809 41116 57% 0.00 31448 30000 95% 1.1
Quadrant Selection 17306 10545 61% 0.00 9519 9275 97% 1.2
Bijele 15273 9577 63% 0.00 8571 8322 97% 1.2
Autori 13508 8770 65% 0.00 8077 7849 97% 1.2
Zamka 7574 4548 60% 0.00 4205 4066 97% 1.3
Trik 10710 6335 59% 0.00 6030 5812 96% 1.3
Tarifa 13591 7995 59% 0.00 7270 7025 97% 1.3
Take Two Stones 23867 14435 60% 0.00 11943 11497 96% 1.3
Stuck In A Time Loop 28868 15389 53% 0.00 13174 12703 96% 1.3
Spavanac 13730 7761 57% 0.00 7232 6979 97% 1.3
Solving for Carrots 21668 13967 64% 0.00 12225 11776 96% 1.3
Sibice 8934 5317 60% 0.00 4997 4836 97% 1.3
R2 22524 13806 61% 0.00 11487 11118 97% 1.3
Quality-Adjusted Life-Year 5666 3694 65% 0.00 3464 3357 97% 1.3
Provinces and Gold 2100 1201 57% 0.00 1145 1111 97% 1.3
Pot 12620 7649 61% 0.00 7031 6811 97% 1.3
Planina 7034 4534 64% 0.00 4198 4082 97% 1.3
Pet 11993 7234 60% 0.00 6665 6396 96% 1.3
Oddities 18603 10560 57% 0.00 9409 9091 97% 1.3
Nasty Hacks 7722 4649 60% 0.00 4476 4344 97% 1.3
Multi-Class Binary Neural Network for Handwritten Digits 0 0 -- -- 0 0 -- 1.3
Ladder 9645 5619 58% 0.00 5230 5040 96% 1.3
I've Been Everywhere, Man 9199 6031 66% 0.00 5597 5372 96% 1.3
IsItHalloween.com 3440 2067 60% 0.00 1982 1931 97% 1.3
Hissing Microphone 10953 6137 56% 0.00 5512 5340 97% 1.3
Heart Rate 3222 2304 72% 0.00 2013 1961 97% 1.3
Hanging Out on the Terrace 2172 1459 67% 0.00 1407 1374 98% 1.3
Grass Seed Inc. 6539 4165 64% 0.00 3895 3791 97% 1.3
FizzBuzz 15806 9080 57% 0.00 7403 7128 96% 1.3
Filip 8060 5027 62% 0.00 4795 4639 97% 1.3
Faktor 9343 6619 71% 0.00 6141 5983 97% 1.3
Dice Cup 6745 4537 67% 0.00 4142 4012 97% 1.3
Detailed Differences 5559 3232 58% 0.00 3039 2938 97% 1.3
Datum 3647 2267 62% 0.00 2185 2127 97% 1.3
Cryptographer's Conundrum 8284 5112 62% 0.00 4558 4404 97% 1.3
Cold-puter Science 17267 11435 66% 0.00 10050 9751 97% 1.3
Cetvrta 5804 3902 67% 0.00 3742 3608 96% 1.3
Bela 4870 3353 69% 0.00 3113 3031 97% 1.3
Batter Up 0 0 -- -- 0 0 -- 1.3
Alphabet Spam 6130 3940 64% 0.00 3114 3002 96% 1.3
Two-Class Binary Neural Network for Handwritten Digits 0 0 -- -- 0 0 -- 1.4
The Easiest Problem Is This One 6334 3697 58% 0.00 3422 3265 95% 1.4
The Amazing Human Cannonball 2976 1993 67% 0.00 1920 1856 97% 1.4
Tai's formula 0 0 -- -- 0 0 -- 1.4
Symmetric Order 4851 3030 62% 0.00 2946 2808 95% 1.4
Sum Squared Digits Function 0 0 -- -- 0 0 -- 1.4
Star Arrangements 0 0 -- -- 0 0 -- 1.4
Stand on Zanzibar 0 0 -- -- 0 0 -- 1.4
Stacking Cups 0 0 -- -- 0 0 -- 1.4
Speed Limit 11993 6579 55% 0.00 5989 5738 96% 1.4
Skener 0 0 -- -- 0 0 -- 1.4
Seven Wonders 7548 4227 56% 0.00 4058 3901 96% 1.4
Roaming Romans 2806 1400 50% 0.00 1351 1281 95% 1.4
Reversed Binary Numbers 11069 6944 63% 0.00 6014 5747 96% 1.4
Railroad 2376 1602 67% 0.00 1546 1488 96% 1.4
Ptice 3255 1934 59% 0.00 1741 1662 95% 1.4
Poker Hand 2203 1367 62% 0.00 1345 1282 95% 1.4
Parking 0 0 -- -- 0 0 -- 1.4
Number Fun 5706 3122 55% 0.00 2717 2593 95% 1.4
No Duplicates 0 0 -- -- 0 0 -- 1.4
Mixed Fractions 0 0 -- -- 0 0 -- 1.4
License to Launch 0 0 -- -- 0 0 -- 1.4
Last Factorial Digit 5522 3302 60% 0.00 3036 2934 97% 1.4
Kornislav 0 0 -- -- 0 0 -- 1.4
Kemija 0 0 -- -- 0 0 -- 1.4
Judging Moose 7402 3698 50% 0.00 3359 3223 96% 1.4
ICPC Awards 3322 2041 61% 0.00 1779 1695 95% 1.4
Herman 3124 1728 55% 0.00 1652 1595 97% 1.4
Harshad Numbers 2001 1376 69% 0.00 1258 1225 97% 1.4
Encoded Message 0 0 -- -- 0 0 -- 1.4
Beavergnaw 0 0 -- -- 0 0 -- 1.4
Apaxiaaaaaaaaaaaans! 9942 6079 61% 0.00 5424 5200 96% 1.4
Tri 7244 3697 51% 0.00 3288 3104 94% 1.5
Skocimis 3121 1762 56% 0.00 1744 1647 94% 1.5
Simon Says 10530 5335 51% 0.00 4977 4656 94% 1.5
Riječi 0 0 -- -- 0 0 -- 1.5
Reverse Rot 0 0 -- -- 0 0 -- 1.5
Racing Around the Alphabet 0 0 -- -- 0 0 -- 1.5
Quick Estimates 6709 3768 56% 0.00 3580 3389 95% 1.5
Prozor 0 0 -- -- 0 0 -- 1.5
One Chicken Per Person! 7642 2642 35% 0.00 2346 2208 94% 1.5
Odd Man Out 6944 4128 59% 0.00 3638 3466 95% 1.5
Luhn's Checksum Algorithm 813 526 65% 0.00 474 456 96% 1.5
Line Them Up 0 0 -- -- 0 0 -- 1.5
Kleptography 0 0 -- -- 0 0 -- 1.5
Job Expenses 936 512 55% 0.00 475 444 93% 1.5
Hydra's Heads 0 0 -- -- 0 0 -- 1.5
Help a PhD candidate out! 0 0 -- -- 0 0 -- 1.5
Hangman 0 0 -- -- 0 0 -- 1.5
Goat Rope 0 0 -- -- 0 0 -- 1.5
Free Food 0 0 -- -- 0 0 -- 1.5
DRM Messages 2626 1728 66% 0.00 1580 1510 96% 1.5
Death Knight Hero 3361 1789 53% 0.00 1694 1601 95% 1.5
Cudoviste 0 0 -- -- 0 0 -- 1.5
Boat Parts 1414 846 60% 0.00 823 787 96% 1.5
Billiard 1563 867 55% 0.00 794 763 96% 1.5
A Rational Sequence 2 1841 1359 74% 0.00 1204 1155 96% 1.5
ACM Contest Scoring 0 0 -- -- 0 0 -- 1.5
Volim 0 0 -- -- 0 0 -- 1.6
Unlock Pattern 959 655 68% 0.00 630 605 96% 1.6