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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007392/1087 (36%)
2.Booksjboi 2007333/965 (34%)
3.Numbersjboi 2007319/1433 (22%)
4.Boatsjboi 2007181/989 (18%)
5.Chairsjboi 2007324/909 (35%)
6.Coinsjboi 2008311/826 (37%)
7.Closestjboi 2008154/940 (16%)
8.Rectanglesjboi 2008282/687 (41%)
9.Jumpsjboi 2008266/1761 (15%)
10.Squaresjboi 2008200/720 (27%)
11.Sumxjboi 2008401/1473 (27%)
12.Handshakesjboi 2009180/1215 (14%)
13.Riddlesjboi 2009178/629 (28%)
14.Coinsjboi 2009190/562 (33%)
15.Reconstructionjboi 2010208/693 (30%)
16.Competitionjboi 2010175/1105 (15%)
17.Examsjboi 2010213/976 (21%)
18.Pawnsjboi 2011131/620 (21%)
19.Puzzlejboi 201189/232 (38%)
20.Sortingjboi 2011188/504 (37%)
21.Heritagejboi 201162/475 (13%)
22.Sambajboi 2011355/889 (39%)
23.Spiral 123jboi 201169/282 (24%)
24.Committeejboi 2012312/820 (38%)
25.Guidesjboi 2012127/573 (22%)
26.Squaresjboi 201234/262 (12%)
27.Summingjboi 2012134/645 (20%)
28.Lucky numbersjboi 2012280/856 (32%)
29.Drinksjboi 2012200/886 (22%)
30.Boxesjboi 201254/415 (13%)
31.Mountain runningjboi 201291/420 (21%)
32.Counting inversionsjboi 2013310/1400 (22%)
33.Cyclic marathonjboi 201395/853 (11%)
34.Pointsjboi 2013105/510 (20%)
35.Big Circlejboi 2014205/992 (20%)
36.Fuleco and Brazil antjboi 2014187/713 (26%)
37.Strategyjboi 201479/366 (21%)
38.Mascot songjboi 2014100/421 (23%)
39.Ticketsjboi 2014187/526 (35%)
40.Andres Iniestajboi 201487/529 (16%)
41.Pianojboi '15146/505 (28%)
42.Palm treesjboi '1549/406 (12%)
43.Drinksjboi '1524/730 (3%)
44.Algorithmsjboi '1518/377 (4%)
45.Floodjboi '1558/274 (21%)
46.Startupjboi '15148/733 (20%)
47.Examjboi '1643/487 (8%)
48.Hacking tasksjboi '1656/292 (19%)
49.Printing costsjboi '1628/126 (22%)
50.Programmersjboi '1688/700 (12%)
51.Swapsjboi '16114/540 (21%)
52.Donationsjboi '1695/690 (13%)
53.Magicejoi '17109/437 (24%)
54.Sixejoi '1713/79 (16%)
55.Particlesejoi '1762/395 (15%)
56.Camelejoi '1715/92 (16%)
57.Experienceejoi '1739/188 (20%)
58.Gameejoi '1774/397 (18%)
59.Harmonic numberjboi '1821/239 (8%)
60.Kbinjboi '1852/499 (10%)
61.Shootingsjboi '1824/154 (15%)
62.Doubletroublejboi '185/121 (4%)
63.Orjboi '1828/336 (8%)
64.Trainjboi '1844/194 (22%)