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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007380/1062 (35%)
2.Booksjboi 2007321/934 (34%)
3.Numbersjboi 2007309/1405 (21%)
4.Boatsjboi 2007174/961 (18%)
5.Chairsjboi 2007313/892 (35%)
6.Coinsjboi 2008300/807 (37%)
7.Closestjboi 2008144/905 (15%)
8.Rectanglesjboi 2008271/666 (40%)
9.Jumpsjboi 2008253/1706 (14%)
10.Squaresjboi 2008192/700 (27%)
11.Sumxjboi 2008388/1440 (26%)
12.Handshakesjboi 2009170/1173 (14%)
13.Riddlesjboi 2009167/585 (28%)
14.Coinsjboi 2009181/551 (32%)
15.Reconstructionjboi 2010203/684 (29%)
16.Competitionjboi 2010172/1074 (16%)
17.Examsjboi 2010201/934 (21%)
18.Pawnsjboi 2011126/595 (21%)
19.Puzzlejboi 201186/228 (37%)
20.Sortingjboi 2011177/474 (37%)
21.Heritagejboi 201160/471 (12%)
22.Sambajboi 2011345/874 (39%)
23.Spiral 123jboi 201169/280 (24%)
24.Committeejboi 2012300/796 (37%)
25.Guidesjboi 2012123/557 (22%)
26.Squaresjboi 201230/245 (12%)
27.Summingjboi 2012127/631 (20%)
28.Lucky numbersjboi 2012270/834 (32%)
29.Drinksjboi 2012193/856 (22%)
30.Boxesjboi 201252/412 (12%)
31.Mountain runningjboi 201291/418 (21%)
32.Counting inversionsjboi 2013299/1359 (22%)
33.Cyclic marathonjboi 201391/827 (11%)
34.Pointsjboi 2013102/502 (20%)
35.Big Circlejboi 2014196/964 (20%)
36.Fuleco and Brazil antjboi 2014179/677 (26%)
37.Strategyjboi 201475/360 (20%)
38.Mascot songjboi 201494/401 (23%)
39.Ticketsjboi 2014177/501 (35%)
40.Andres Iniestajboi 201483/518 (16%)
41.Pianojboi '15138/485 (28%)
42.Palm treesjboi '1549/403 (12%)
43.Drinksjboi '1523/711 (3%)
44.Algorithmsjboi '1518/377 (4%)
45.Floodjboi '1556/270 (20%)
46.Startupjboi '15144/718 (20%)
47.Examjboi '1643/487 (8%)
48.Hacking tasksjboi '1652/282 (18%)
49.Printing costsjboi '1626/123 (21%)
50.Programmersjboi '1686/693 (12%)
51.Swapsjboi '16106/518 (20%)
52.Donationsjboi '1692/667 (13%)
53.Magicejoi '17101/396 (25%)
54.Sixejoi '1711/73 (15%)
55.Particlesejoi '1760/379 (15%)
56.Camelejoi '1713/82 (15%)
57.Experienceejoi '1733/177 (18%)
58.Gameejoi '1763/371 (16%)
59.Harmonic numberjboi '1820/235 (8%)
60.Kbinjboi '1847/484 (9%)
61.Shootingsjboi '1820/145 (13%)
62.Doubletroublejboi '183/109 (2%)
63.Orjboi '1825/324 (7%)
64.Trainjboi '1841/187 (21%)