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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007268/791 (33%)
2.Booksjboi 2007227/686 (33%)
3.Numbersjboi 2007219/1080 (20%)
4.Boatsjboi 2007119/580 (20%)
5.Chairsjboi 2007229/668 (34%)
6.Coinsjboi 2008204/587 (34%)
7.Closestjboi 200894/578 (16%)
8.Rectanglesjboi 2008181/473 (38%)
9.Jumpsjboi 2008184/1313 (14%)
10.Squaresjboi 2008121/450 (26%)
11.Sumxjboi 2008297/1194 (24%)
12.Handshakesjboi 2009119/867 (13%)
13.Riddlesjboi 2009112/385 (29%)
14.Coinsjboi 2009112/344 (32%)
15.Reconstructionjboi 2010140/417 (33%)
16.Competitionjboi 2010107/590 (18%)
17.Examsjboi 2010134/672 (19%)
18.Pawnsjboi 201182/397 (20%)
19.Puzzlejboi 201158/132 (43%)
20.Sortingjboi 2011122/327 (37%)
21.Heritagejboi 201142/350 (12%)
22.Sambajboi 2011246/620 (39%)
23.Spiral 123jboi 201156/216 (25%)
24.Committeejboi 2012244/660 (36%)
25.Guidesjboi 201289/454 (19%)
26.Squaresjboi 201224/207 (11%)
27.Summingjboi 201286/441 (19%)
28.Lucky numbersjboi 2012220/704 (31%)
29.Drinksjboi 2012152/684 (22%)
30.Boxesjboi 201236/318 (11%)
31.Mountain runningjboi 201269/342 (20%)
32.Counting inversionsjboi 2013194/919 (21%)
33.Cyclic marathonjboi 201364/675 (9%)
34.Pointsjboi 201368/327 (20%)
35.Big Circlejboi 2014119/683 (17%)
36.Fuleco and Brazil antjboi 2014118/461 (25%)
37.Strategyjboi 201447/212 (22%)
38.Mascot songjboi 201462/280 (22%)
39.Ticketsjboi 2014127/379 (33%)
40.Andres Iniestajboi 201456/256 (21%)
41.Pianojboi '1593/327 (28%)
42.Palm treesjboi '1528/226 (12%)
43.Drinksjboi '1519/500 (3%)
44.Algorithmsjboi '1510/258 (3%)
45.Floodjboi '1529/132 (21%)
46.Startupjboi '1598/556 (17%)
47.Examjboi '1632/222 (14%)
48.Hacking tasksjboi '1625/156 (16%)
49.Printing costsjboi '1620/71 (28%)
50.Programmersjboi '1650/439 (11%)
51.Swapsjboi '1668/308 (22%)
52.Donationsjboi '1656/458 (12%)
53.Magicejoi '1715/73 (20%)
54.Sixejoi '172/7 (28%)
55.Particlesejoi '172/7 (28%)
56.Camelejoi '175/20 (25%)
57.Experienceejoi '175/13 (38%)
58.Gameejoi '1711/82 (13%)