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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007524/1458 (35%)
2.Booksjboi 2007456/1328 (34%)
3.Numbersjboi 2007427/1831 (23%)
4.Boatsjboi 2007239/1369 (17%)
5.Chairsjboi 2007430/1175 (36%)
6.Coinsjboi 2008418/1040 (40%)
7.Closestjboi 2008192/1225 (15%)
8.Rectanglesjboi 2008390/960 (40%)
9.Jumpsjboi 2008334/2107 (15%)
10.Squaresjboi 2008239/811 (29%)
11.Sumxjboi 2008568/1951 (29%)
12.Handshakesjboi 2009232/1693 (13%)
13.Riddlesjboi 2009213/738 (28%)
14.Coinsjboi 2009246/707 (34%)
15.Reconstructionjboi 2010252/776 (32%)
16.Competitionjboi 2010216/1370 (15%)
17.Examsjboi 2010270/1139 (23%)
18.Pawnsjboi 2011173/731 (23%)
19.Puzzlejboi 2011109/310 (35%)
20.Sortingjboi 2011209/552 (37%)
21.Heritagejboi 201170/531 (13%)
22.Sambajboi 2011478/1110 (43%)
23.Spiral 123jboi 201177/309 (24%)
24.Committeejboi 2012403/1037 (38%)
25.Guidesjboi 2012151/642 (23%)
26.Squaresjboi 201239/277 (14%)
27.Summingjboi 2012155/682 (22%)
28.Lucky numbersjboi 2012359/1165 (30%)
29.Drinksjboi 2012239/1024 (23%)
30.Boxesjboi 201264/481 (13%)
31.Mountain runningjboi 2012101/458 (22%)
32.Counting inversionsjboi 2013394/1675 (23%)
33.Cyclic marathonjboi 2013107/898 (11%)
34.Pointsjboi 2013122/585 (20%)
35.Big Circlejboi 2014260/1185 (21%)
36.Fuleco and Brazil antjboi 2014220/856 (25%)
37.Strategyjboi 2014106/509 (20%)
38.Mascot songjboi 2014132/541 (24%)
39.Ticketsjboi 2014235/658 (35%)
40.Andres Iniestajboi 2014110/625 (17%)
41.Pianojboi '15210/661 (31%)
42.Palm treesjboi '1569/520 (13%)
43.Drinksjboi '1544/1146 (3%)
44.Algorithmsjboi '1524/603 (3%)
45.Floodjboi '1571/344 (20%)
46.Startupjboi '15196/852 (23%)
47.Examjboi '1651/611 (8%)
48.Hacking tasksjboi '1669/357 (19%)
49.Printing costsjboi '1638/146 (26%)
50.Programmersjboi '16112/898 (12%)
51.Swapsjboi '16148/636 (23%)
52.Donationsjboi '16112/787 (14%)
53.Magicejoi '17157/588 (26%)
54.Sixejoi '1732/147 (21%)
55.Particlesejoi '1799/538 (18%)
56.Camelejoi '1724/124 (19%)
57.Experienceejoi '1763/235 (26%)
58.Gameejoi '17104/495 (21%)
59.Harmonic numberjboi '1843/467 (9%)
60.Kbinjboi '1884/806 (10%)
61.Shootingsjboi '1836/256 (14%)
62.Doubletroublejboi '1817/554 (3%)
63.Orjboi '1844/642 (6%)
64.Trainjboi '1868/289 (23%)