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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007405/1147 (35%)
2.Booksjboi 2007353/1024 (34%)
3.Numbersjboi 2007328/1456 (22%)
4.Boatsjboi 2007188/1004 (18%)
5.Chairsjboi 2007338/935 (36%)
6.Coinsjboi 2008321/847 (37%)
7.Closestjboi 2008156/960 (16%)
8.Rectanglesjboi 2008290/706 (41%)
9.Jumpsjboi 2008273/1794 (15%)
10.Squaresjboi 2008202/724 (27%)
11.Sumxjboi 2008427/1593 (26%)
12.Handshakesjboi 2009184/1265 (14%)
13.Riddlesjboi 2009182/636 (28%)
14.Coinsjboi 2009193/568 (33%)
15.Reconstructionjboi 2010212/705 (30%)
16.Competitionjboi 2010179/1128 (15%)
17.Examsjboi 2010215/990 (21%)
18.Pawnsjboi 2011140/663 (21%)
19.Puzzlejboi 201191/237 (38%)
20.Sortingjboi 2011189/506 (37%)
21.Heritagejboi 201164/483 (13%)
22.Sambajboi 2011363/907 (40%)
23.Spiral 123jboi 201171/285 (24%)
24.Committeejboi 2012322/857 (37%)
25.Guidesjboi 2012130/585 (22%)
26.Squaresjboi 201237/272 (13%)
27.Summingjboi 2012138/654 (21%)
28.Lucky numbersjboi 2012288/883 (32%)
29.Drinksjboi 2012207/914 (22%)
30.Boxesjboi 201256/432 (12%)
31.Mountain runningjboi 201292/422 (21%)
32.Counting inversionsjboi 2013318/1435 (22%)
33.Cyclic marathonjboi 201395/853 (11%)
34.Pointsjboi 2013106/521 (20%)
35.Big Circlejboi 2014212/1015 (20%)
36.Fuleco and Brazil antjboi 2014192/729 (26%)
37.Strategyjboi 201481/376 (21%)
38.Mascot songjboi 2014103/451 (22%)
39.Ticketsjboi 2014191/540 (35%)
40.Andres Iniestajboi 201488/536 (16%)
41.Pianojboi '15153/522 (29%)
42.Palm treesjboi '1550/411 (12%)
43.Drinksjboi '1525/743 (3%)
44.Algorithmsjboi '1519/421 (4%)
45.Floodjboi '1558/274 (21%)
46.Startupjboi '15149/738 (20%)
47.Examjboi '1645/511 (8%)
48.Hacking tasksjboi '1657/296 (19%)
49.Printing costsjboi '1629/127 (22%)
50.Programmersjboi '1689/712 (12%)
51.Swapsjboi '16115/552 (20%)
52.Donationsjboi '1697/699 (13%)
53.Magicejoi '17114/452 (25%)
54.Sixejoi '1718/88 (20%)
55.Particlesejoi '1767/412 (16%)
56.Camelejoi '1716/97 (16%)
57.Experienceejoi '1741/199 (20%)
58.Gameejoi '1782/417 (19%)
59.Harmonic numberjboi '1825/273 (9%)
60.Kbinjboi '1856/538 (10%)
61.Shootingsjboi '1826/166 (15%)
62.Doubletroublejboi '185/122 (4%)
63.Orjboi '1830/344 (8%)
64.Trainjboi '1847/199 (23%)