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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007315/877 (35%)
2.Booksjboi 2007271/787 (34%)
3.Numbersjboi 2007258/1220 (21%)
4.Boatsjboi 2007145/774 (18%)
5.Chairsjboi 2007264/743 (35%)
6.Coinsjboi 2008251/678 (37%)
7.Closestjboi 2008126/775 (16%)
8.Rectanglesjboi 2008217/563 (38%)
9.Jumpsjboi 2008215/1481 (14%)
10.Squaresjboi 2008154/564 (27%)
11.Sumxjboi 2008335/1293 (25%)
12.Handshakesjboi 2009149/1046 (14%)
13.Riddlesjboi 2009136/496 (27%)
14.Coinsjboi 2009155/461 (33%)
15.Reconstructionjboi 2010170/510 (33%)
16.Competitionjboi 2010143/793 (18%)
17.Examsjboi 2010158/772 (20%)
18.Pawnsjboi 201196/505 (19%)
19.Puzzlejboi 201171/175 (40%)
20.Sortingjboi 2011155/414 (37%)
21.Heritagejboi 201155/423 (13%)
22.Sambajboi 2011290/725 (40%)
23.Spiral 123jboi 201161/234 (26%)
24.Committeejboi 2012264/716 (36%)
25.Guidesjboi 2012105/481 (21%)
26.Squaresjboi 201228/229 (12%)
27.Summingjboi 2012110/568 (19%)
28.Lucky numbersjboi 2012237/746 (31%)
29.Drinksjboi 2012169/746 (22%)
30.Boxesjboi 201245/380 (11%)
31.Mountain runningjboi 201280/373 (21%)
32.Counting inversionsjboi 2013235/1115 (21%)
33.Cyclic marathonjboi 201374/737 (10%)
34.Pointsjboi 201381/407 (19%)
35.Big Circlejboi 2014155/846 (18%)
36.Fuleco and Brazil antjboi 2014151/599 (25%)
37.Strategyjboi 201459/265 (22%)
38.Mascot songjboi 201477/319 (24%)
39.Ticketsjboi 2014148/434 (34%)
40.Andres Iniestajboi 201469/407 (16%)
41.Pianojboi '15107/365 (29%)
42.Palm treesjboi '1537/272 (13%)
43.Drinksjboi '1520/618 (3%)
44.Algorithmsjboi '1513/301 (4%)
45.Floodjboi '1544/226 (19%)
46.Startupjboi '15113/592 (19%)
47.Examjboi '1640/352 (11%)
48.Hacking tasksjboi '1640/215 (18%)
49.Printing costsjboi '1621/72 (29%)
50.Programmersjboi '1670/550 (12%)
51.Swapsjboi '1689/386 (23%)
52.Donationsjboi '1662/512 (12%)
53.Magicejoi '1753/243 (21%)
54.Sixejoi '1710/40 (25%)
55.Particlesejoi '1733/230 (14%)
56.Camelejoi '1711/56 (19%)
57.Experienceejoi '1721/112 (18%)
58.Gameejoi '1741/261 (15%)
59.Harmonic numberjboi '1815/127 (11%)
60.Kbinjboi '1830/242 (12%)
61.Shootingsjboi '1810/60 (16%)
62.Doubletroublejboi '180/54 (0%)
63.Orjboi '1814/164 (8%)
64.Trainjboi '1820/64 (31%)