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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007340/949 (35%)
2.Booksjboi 2007296/882 (33%)
3.Numbersjboi 2007278/1277 (21%)
4.Boatsjboi 2007154/833 (18%)
5.Chairsjboi 2007283/818 (34%)
6.Coinsjboi 2008270/749 (36%)
7.Closestjboi 2008133/834 (15%)
8.Rectanglesjboi 2008232/602 (38%)
9.Jumpsjboi 2008227/1568 (14%)
10.Squaresjboi 2008164/629 (26%)
11.Sumxjboi 2008351/1349 (26%)
12.Handshakesjboi 2009160/1085 (14%)
13.Riddlesjboi 2009148/530 (27%)
14.Coinsjboi 2009167/531 (31%)
15.Reconstructionjboi 2010184/581 (31%)
16.Competitionjboi 2010152/950 (16%)
17.Examsjboi 2010185/888 (20%)
18.Pawnsjboi 2011112/542 (20%)
19.Puzzlejboi 201176/207 (36%)
20.Sortingjboi 2011162/442 (36%)
21.Heritagejboi 201156/426 (13%)
22.Sambajboi 2011318/823 (38%)
23.Spiral 123jboi 201162/259 (23%)
24.Committeejboi 2012283/758 (37%)
25.Guidesjboi 2012113/521 (21%)
26.Squaresjboi 201228/232 (12%)
27.Summingjboi 2012115/577 (19%)
28.Lucky numbersjboi 2012254/796 (31%)
29.Drinksjboi 2012177/788 (22%)
30.Boxesjboi 201247/384 (12%)
31.Mountain runningjboi 201282/383 (21%)
32.Counting inversionsjboi 2013258/1248 (20%)
33.Cyclic marathonjboi 201379/758 (10%)
34.Pointsjboi 201383/410 (20%)
35.Big Circlejboi 2014172/886 (19%)
36.Fuleco and Brazil antjboi 2014159/620 (25%)
37.Strategyjboi 201463/288 (21%)
38.Mascot songjboi 201485/342 (24%)
39.Ticketsjboi 2014167/476 (35%)
40.Andres Iniestajboi 201472/470 (15%)
41.Pianojboi '15122/434 (28%)
42.Palm treesjboi '1547/362 (12%)
43.Drinksjboi '1520/677 (2%)
44.Algorithmsjboi '1518/351 (5%)
45.Floodjboi '1548/244 (19%)
46.Startupjboi '15130/655 (19%)
47.Examjboi '1641/400 (10%)
48.Hacking tasksjboi '1646/251 (18%)
49.Printing costsjboi '1623/101 (22%)
50.Programmersjboi '1676/594 (12%)
51.Swapsjboi '1697/437 (22%)
52.Donationsjboi '1676/578 (13%)
53.Magicejoi '1772/307 (23%)
54.Sixejoi '1711/64 (17%)
55.Particlesejoi '1743/332 (12%)
56.Camelejoi '1712/69 (17%)
57.Experienceejoi '1727/151 (17%)
58.Gameejoi '1753/322 (16%)
59.Harmonic numberjboi '1817/170 (10%)
60.Kbinjboi '1835/307 (11%)
61.Shootingsjboi '1815/94 (15%)
62.Doubletroublejboi '183/97 (3%)
63.Orjboi '1824/274 (8%)
64.Trainjboi '1839/173 (22%)