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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007358/996 (35%)
2.Booksjboi 2007310/907 (34%)
3.Numbersjboi 2007296/1345 (22%)
4.Boatsjboi 2007170/942 (18%)
5.Chairsjboi 2007296/847 (34%)
6.Coinsjboi 2008284/768 (36%)
7.Closestjboi 2008142/895 (15%)
8.Rectanglesjboi 2008260/642 (40%)
9.Jumpsjboi 2008249/1676 (14%)
10.Squaresjboi 2008188/688 (27%)
11.Sumxjboi 2008377/1421 (26%)
12.Handshakesjboi 2009167/1157 (14%)
13.Riddlesjboi 2009164/581 (28%)
14.Coinsjboi 2009176/545 (32%)
15.Reconstructionjboi 2010199/674 (29%)
16.Competitionjboi 2010169/1052 (16%)
17.Examsjboi 2010195/920 (21%)
18.Pawnsjboi 2011123/585 (21%)
19.Puzzlejboi 201184/221 (38%)
20.Sortingjboi 2011176/470 (37%)
21.Heritagejboi 201160/471 (12%)
22.Sambajboi 2011342/856 (39%)
23.Spiral 123jboi 201169/279 (24%)
24.Committeejboi 2012296/783 (37%)
25.Guidesjboi 2012121/541 (22%)
26.Squaresjboi 201230/239 (12%)
27.Summingjboi 2012126/615 (20%)
28.Lucky numbersjboi 2012266/820 (32%)
29.Drinksjboi 2012191/849 (22%)
30.Boxesjboi 201251/406 (12%)
31.Mountain runningjboi 201291/418 (21%)
32.Counting inversionsjboi 2013286/1323 (21%)
33.Cyclic marathonjboi 201389/816 (10%)
34.Pointsjboi 201398/490 (20%)
35.Big Circlejboi 2014194/960 (20%)
36.Fuleco and Brazil antjboi 2014175/671 (26%)
37.Strategyjboi 201474/359 (20%)
38.Mascot songjboi 201493/398 (23%)
39.Ticketsjboi 2014177/501 (35%)
40.Andres Iniestajboi 201482/508 (16%)
41.Pianojboi '15135/477 (28%)
42.Palm treesjboi '1549/403 (12%)
43.Drinksjboi '1523/710 (3%)
44.Algorithmsjboi '1518/365 (4%)
45.Floodjboi '1556/269 (20%)
46.Startupjboi '15142/713 (19%)
47.Examjboi '1642/471 (8%)
48.Hacking tasksjboi '1651/280 (18%)
49.Printing costsjboi '1625/112 (22%)
50.Programmersjboi '1683/656 (12%)
51.Swapsjboi '16105/507 (20%)
52.Donationsjboi '1692/667 (13%)
53.Magicejoi '1798/388 (25%)
54.Sixejoi '1711/73 (15%)
55.Particlesejoi '1759/378 (15%)
56.Camelejoi '1713/82 (15%)
57.Experienceejoi '1733/176 (18%)
58.Gameejoi '1762/368 (16%)
59.Harmonic numberjboi '1819/208 (9%)
60.Kbinjboi '1843/449 (9%)
61.Shootingsjboi '1820/145 (13%)
62.Doubletroublejboi '183/108 (2%)
63.Orjboi '1825/324 (7%)
64.Trainjboi '1841/184 (22%)