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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007495/1394 (35%)
2.Booksjboi 2007436/1224 (35%)
3.Numbersjboi 2007410/1752 (23%)
4.Boatsjboi 2007233/1286 (18%)
5.Chairsjboi 2007416/1150 (36%)
6.Coinsjboi 2008395/998 (39%)
7.Closestjboi 2008184/1167 (15%)
8.Rectanglesjboi 2008374/892 (41%)
9.Jumpsjboi 2008313/1998 (15%)
10.Squaresjboi 2008235/795 (29%)
11.Sumxjboi 2008543/1912 (28%)
12.Handshakesjboi 2009224/1590 (14%)
13.Riddlesjboi 2009209/723 (28%)
14.Coinsjboi 2009233/652 (35%)
15.Reconstructionjboi 2010240/761 (31%)
16.Competitionjboi 2010214/1356 (15%)
17.Examsjboi 2010251/1097 (22%)
18.Pawnsjboi 2011165/721 (22%)
19.Puzzlejboi 2011100/281 (35%)
20.Sortingjboi 2011204/544 (37%)
21.Heritagejboi 201169/528 (13%)
22.Sambajboi 2011457/1076 (42%)
23.Spiral 123jboi 201176/305 (24%)
24.Committeejboi 2012385/999 (38%)
25.Guidesjboi 2012146/635 (22%)
26.Squaresjboi 201239/274 (14%)
27.Summingjboi 2012147/671 (21%)
28.Lucky numbersjboi 2012340/1105 (30%)
29.Drinksjboi 2012225/990 (22%)
30.Boxesjboi 201262/456 (13%)
31.Mountain runningjboi 201298/446 (21%)
32.Counting inversionsjboi 2013381/1598 (23%)
33.Cyclic marathonjboi 2013104/893 (11%)
34.Pointsjboi 2013117/554 (21%)
35.Big Circlejboi 2014253/1158 (21%)
36.Fuleco and Brazil antjboi 2014213/815 (26%)
37.Strategyjboi 201497/446 (21%)
38.Mascot songjboi 2014119/507 (23%)
39.Ticketsjboi 2014219/632 (34%)
40.Andres Iniestajboi 2014101/601 (16%)
41.Pianojboi '15192/618 (31%)
42.Palm treesjboi '1565/487 (13%)
43.Drinksjboi '1534/887 (3%)
44.Algorithmsjboi '1521/567 (3%)
45.Floodjboi '1567/334 (20%)
46.Startupjboi '15185/829 (22%)
47.Examjboi '1649/585 (8%)
48.Hacking tasksjboi '1666/350 (18%)
49.Printing costsjboi '1637/142 (26%)
50.Programmersjboi '16106/862 (12%)
51.Swapsjboi '16141/622 (22%)
52.Donationsjboi '16109/782 (13%)
53.Magicejoi '17152/571 (26%)
54.Sixejoi '1730/137 (21%)
55.Particlesejoi '1795/532 (17%)
56.Camelejoi '1723/122 (18%)
57.Experienceejoi '1758/226 (25%)
58.Gameejoi '1798/480 (20%)
59.Harmonic numberjboi '1840/434 (9%)
60.Kbinjboi '1878/766 (10%)
61.Shootingsjboi '1833/247 (13%)
62.Doubletroublejboi '1814/513 (2%)
63.Orjboi '1840/605 (6%)
64.Trainjboi '1864/269 (23%)