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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007327/908 (36%)
2.Booksjboi 2007284/838 (33%)
3.Numbersjboi 2007269/1254 (21%)
4.Boatsjboi 2007150/796 (18%)
5.Chairsjboi 2007278/810 (34%)
6.Coinsjboi 2008258/699 (36%)
7.Closestjboi 2008129/793 (16%)
8.Rectanglesjboi 2008226/591 (38%)
9.Jumpsjboi 2008220/1502 (14%)
10.Squaresjboi 2008164/623 (26%)
11.Sumxjboi 2008346/1327 (26%)
12.Handshakesjboi 2009158/1076 (14%)
13.Riddlesjboi 2009143/522 (27%)
14.Coinsjboi 2009159/467 (34%)
15.Reconstructionjboi 2010176/534 (32%)
16.Competitionjboi 2010148/880 (16%)
17.Examsjboi 2010167/823 (20%)
18.Pawnsjboi 2011105/523 (20%)
19.Puzzlejboi 201174/185 (40%)
20.Sortingjboi 2011159/431 (36%)
21.Heritagejboi 201156/426 (13%)
22.Sambajboi 2011305/750 (40%)
23.Spiral 123jboi 201162/254 (24%)
24.Committeejboi 2012270/725 (37%)
25.Guidesjboi 2012108/496 (21%)
26.Squaresjboi 201228/232 (12%)
27.Summingjboi 2012113/571 (19%)
28.Lucky numbersjboi 2012250/786 (31%)
29.Drinksjboi 2012174/758 (22%)
30.Boxesjboi 201246/383 (12%)
31.Mountain runningjboi 201281/380 (21%)
32.Counting inversionsjboi 2013240/1154 (20%)
33.Cyclic marathonjboi 201376/739 (10%)
34.Pointsjboi 201382/408 (20%)
35.Big Circlejboi 2014160/857 (18%)
36.Fuleco and Brazil antjboi 2014154/606 (25%)
37.Strategyjboi 201461/272 (22%)
38.Mascot songjboi 201480/328 (24%)
39.Ticketsjboi 2014155/449 (34%)
40.Andres Iniestajboi 201470/458 (15%)
41.Pianojboi '15116/407 (28%)
42.Palm treesjboi '1539/305 (12%)
43.Drinksjboi '1520/632 (3%)
44.Algorithmsjboi '1517/342 (4%)
45.Floodjboi '1548/237 (20%)
46.Startupjboi '15124/633 (19%)
47.Examjboi '1641/384 (10%)
48.Hacking tasksjboi '1644/243 (18%)
49.Printing costsjboi '1622/95 (23%)
50.Programmersjboi '1674/572 (12%)
51.Swapsjboi '1695/428 (22%)
52.Donationsjboi '1662/519 (11%)
53.Magicejoi '1760/263 (22%)
54.Sixejoi '1711/57 (19%)
55.Particlesejoi '1739/294 (13%)
56.Camelejoi '1712/61 (19%)
57.Experienceejoi '1725/143 (17%)
58.Gameejoi '1746/282 (16%)
59.Harmonic numberjboi '1817/149 (11%)
60.Kbinjboi '1835/292 (11%)
61.Shootingsjboi '1813/81 (16%)
62.Doubletroublejboi '183/82 (3%)
63.Orjboi '1819/219 (8%)
64.Trainjboi '1833/112 (29%)