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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007320/895 (35%)
2.Booksjboi 2007276/803 (34%)
3.Numbersjboi 2007262/1227 (21%)
4.Boatsjboi 2007146/775 (18%)
5.Chairsjboi 2007269/753 (35%)
6.Coinsjboi 2008255/690 (36%)
7.Closestjboi 2008127/779 (16%)
8.Rectanglesjboi 2008223/578 (38%)
9.Jumpsjboi 2008217/1486 (14%)
10.Squaresjboi 2008156/567 (27%)
11.Sumxjboi 2008342/1318 (25%)
12.Handshakesjboi 2009151/1058 (14%)
13.Riddlesjboi 2009140/510 (27%)
14.Coinsjboi 2009157/465 (33%)
15.Reconstructionjboi 2010172/514 (33%)
16.Competitionjboi 2010144/803 (17%)
17.Examsjboi 2010161/803 (20%)
18.Pawnsjboi 2011103/520 (19%)
19.Puzzlejboi 201173/184 (39%)
20.Sortingjboi 2011156/425 (36%)
21.Heritagejboi 201156/426 (13%)
22.Sambajboi 2011303/747 (40%)
23.Spiral 123jboi 201161/242 (25%)
24.Committeejboi 2012266/718 (37%)
25.Guidesjboi 2012106/493 (21%)
26.Squaresjboi 201228/229 (12%)
27.Summingjboi 2012112/570 (19%)
28.Lucky numbersjboi 2012243/765 (31%)
29.Drinksjboi 2012172/752 (22%)
30.Boxesjboi 201246/383 (12%)
31.Mountain runningjboi 201280/376 (21%)
32.Counting inversionsjboi 2013238/1131 (21%)
33.Cyclic marathonjboi 201376/739 (10%)
34.Pointsjboi 201382/408 (20%)
35.Big Circlejboi 2014159/856 (18%)
36.Fuleco and Brazil antjboi 2014153/605 (25%)
37.Strategyjboi 201460/266 (22%)
38.Mascot songjboi 201479/323 (24%)
39.Ticketsjboi 2014151/439 (34%)
40.Andres Iniestajboi 201470/409 (17%)
41.Pianojboi '15109/377 (28%)
42.Palm treesjboi '1538/284 (13%)
43.Drinksjboi '1520/625 (3%)
44.Algorithmsjboi '1516/326 (4%)
45.Floodjboi '1545/227 (19%)
46.Startupjboi '15114/615 (18%)
47.Examjboi '1640/356 (11%)
48.Hacking tasksjboi '1643/226 (19%)
49.Printing costsjboi '1622/83 (26%)
50.Programmersjboi '1673/567 (12%)
51.Swapsjboi '1692/411 (22%)
52.Donationsjboi '1662/515 (12%)
53.Magicejoi '1758/258 (22%)
54.Sixejoi '1711/55 (20%)
55.Particlesejoi '1737/271 (13%)
56.Camelejoi '1712/60 (20%)
57.Experienceejoi '1724/139 (17%)
58.Gameejoi '1744/270 (16%)
59.Harmonic numberjboi '1816/133 (12%)
60.Kbinjboi '1832/249 (12%)
61.Shootingsjboi '1811/62 (17%)
62.Doubletroublejboi '182/67 (2%)
63.Orjboi '1814/171 (8%)
64.Trainjboi '1820/69 (28%)