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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007529/1468 (36%)
2.Booksjboi 2007457/1333 (34%)
3.Numbersjboi 2007428/1832 (23%)
4.Boatsjboi 2007241/1403 (17%)
5.Chairsjboi 2007431/1176 (36%)
6.Coinsjboi 2008421/1046 (40%)
7.Closestjboi 2008192/1228 (15%)
8.Rectanglesjboi 2008390/961 (40%)
9.Jumpsjboi 2008334/2107 (15%)
10.Squaresjboi 2008240/812 (29%)
11.Sumxjboi 2008569/1952 (29%)
12.Handshakesjboi 2009232/1693 (13%)
13.Riddlesjboi 2009213/738 (28%)
14.Coinsjboi 2009250/744 (33%)
15.Reconstructionjboi 2010255/781 (32%)
16.Competitionjboi 2010216/1370 (15%)
17.Examsjboi 2010271/1140 (23%)
18.Pawnsjboi 2011173/731 (23%)
19.Puzzlejboi 2011109/310 (35%)
20.Sortingjboi 2011209/552 (37%)
21.Heritagejboi 201170/531 (13%)
22.Sambajboi 2011480/1112 (43%)
23.Spiral 123jboi 201177/309 (24%)
24.Committeejboi 2012406/1040 (39%)
25.Guidesjboi 2012151/642 (23%)
26.Squaresjboi 201239/277 (14%)
27.Summingjboi 2012155/682 (22%)
28.Lucky numbersjboi 2012362/1188 (30%)
29.Drinksjboi 2012240/1028 (23%)
30.Boxesjboi 201264/481 (13%)
31.Mountain runningjboi 2012101/458 (22%)
32.Counting inversionsjboi 2013398/1681 (23%)
33.Cyclic marathonjboi 2013108/900 (12%)
34.Pointsjboi 2013122/585 (20%)
35.Big Circlejboi 2014261/1203 (21%)
36.Fuleco and Brazil antjboi 2014220/856 (25%)
37.Strategyjboi 2014107/520 (20%)
38.Mascot songjboi 2014132/541 (24%)
39.Ticketsjboi 2014236/660 (35%)
40.Andres Iniestajboi 2014110/625 (17%)
41.Pianojboi '15211/664 (31%)
42.Palm treesjboi '1570/521 (13%)
43.Drinksjboi '1544/1146 (3%)
44.Algorithmsjboi '1524/603 (3%)
45.Floodjboi '1571/344 (20%)
46.Startupjboi '15197/856 (23%)
47.Examjboi '1651/611 (8%)
48.Hacking tasksjboi '1669/357 (19%)
49.Printing costsjboi '1638/146 (26%)
50.Programmersjboi '16113/903 (12%)
51.Swapsjboi '16149/641 (23%)
52.Donationsjboi '16112/787 (14%)
53.Magicejoi '17158/589 (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 '1869/295 (23%)