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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007333/923 (36%)
2.Booksjboi 2007292/862 (33%)
3.Numbersjboi 2007273/1263 (21%)
4.Boatsjboi 2007154/832 (18%)
5.Chairsjboi 2007279/811 (34%)
6.Coinsjboi 2008264/724 (36%)
7.Closestjboi 2008133/833 (15%)
8.Rectanglesjboi 2008230/597 (38%)
9.Jumpsjboi 2008226/1555 (14%)
10.Squaresjboi 2008164/624 (26%)
11.Sumxjboi 2008349/1345 (25%)
12.Handshakesjboi 2009160/1085 (14%)
13.Riddlesjboi 2009146/526 (27%)
14.Coinsjboi 2009165/475 (34%)
15.Reconstructionjboi 2010181/574 (31%)
16.Competitionjboi 2010151/914 (16%)
17.Examsjboi 2010177/862 (20%)
18.Pawnsjboi 2011108/532 (20%)
19.Puzzlejboi 201175/204 (36%)
20.Sortingjboi 2011162/439 (36%)
21.Heritagejboi 201156/426 (13%)
22.Sambajboi 2011316/820 (38%)
23.Spiral 123jboi 201162/259 (23%)
24.Committeejboi 2012282/755 (37%)
25.Guidesjboi 2012112/520 (21%)
26.Squaresjboi 201228/232 (12%)
27.Summingjboi 2012115/577 (19%)
28.Lucky numbersjboi 2012252/791 (31%)
29.Drinksjboi 2012175/762 (22%)
30.Boxesjboi 201247/384 (12%)
31.Mountain runningjboi 201281/380 (21%)
32.Counting inversionsjboi 2013253/1219 (20%)
33.Cyclic marathonjboi 201378/755 (10%)
34.Pointsjboi 201383/410 (20%)
35.Big Circlejboi 2014172/886 (19%)
36.Fuleco and Brazil antjboi 2014158/619 (25%)
37.Strategyjboi 201463/280 (22%)
38.Mascot songjboi 201485/342 (24%)
39.Ticketsjboi 2014163/466 (34%)
40.Andres Iniestajboi 201471/469 (15%)
41.Pianojboi '15122/434 (28%)
42.Palm treesjboi '1546/354 (12%)
43.Drinksjboi '1520/651 (3%)
44.Algorithmsjboi '1518/351 (5%)
45.Floodjboi '1548/244 (19%)
46.Startupjboi '15129/654 (19%)
47.Examjboi '1641/384 (10%)
48.Hacking tasksjboi '1646/251 (18%)
49.Printing costsjboi '1623/101 (22%)
50.Programmersjboi '1676/581 (13%)
51.Swapsjboi '1695/428 (22%)
52.Donationsjboi '1675/572 (13%)
53.Magicejoi '1771/306 (23%)
54.Sixejoi '1711/64 (17%)
55.Particlesejoi '1741/324 (12%)
56.Camelejoi '1712/67 (17%)
57.Experienceejoi '1727/151 (17%)
58.Gameejoi '1750/299 (16%)
59.Harmonic numberjboi '1817/168 (10%)
60.Kbinjboi '1835/306 (11%)
61.Shootingsjboi '1815/94 (15%)
62.Doubletroublejboi '183/97 (3%)
63.Orjboi '1824/274 (8%)
64.Trainjboi '1839/173 (22%)