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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007484/1375 (35%)
2.Booksjboi 2007420/1176 (35%)
3.Numbersjboi 2007398/1720 (23%)
4.Boatsjboi 2007227/1265 (17%)
5.Chairsjboi 2007404/1122 (36%)
6.Coinsjboi 2008385/985 (39%)
7.Closestjboi 2008181/1154 (15%)
8.Rectanglesjboi 2008365/880 (41%)
9.Jumpsjboi 2008311/1985 (15%)
10.Squaresjboi 2008232/787 (29%)
11.Sumxjboi 2008535/1898 (28%)
12.Handshakesjboi 2009220/1566 (14%)
13.Riddlesjboi 2009208/721 (28%)
14.Coinsjboi 2009229/643 (35%)
15.Reconstructionjboi 2010237/757 (31%)
16.Competitionjboi 2010209/1324 (15%)
17.Examsjboi 2010248/1089 (22%)
18.Pawnsjboi 2011162/713 (22%)
19.Puzzlejboi 2011100/281 (35%)
20.Sortingjboi 2011202/537 (37%)
21.Heritagejboi 201167/502 (13%)
22.Sambajboi 2011448/1066 (42%)
23.Spiral 123jboi 201176/305 (24%)
24.Committeejboi 2012377/972 (38%)
25.Guidesjboi 2012146/634 (23%)
26.Squaresjboi 201239/274 (14%)
27.Summingjboi 2012147/671 (21%)
28.Lucky numbersjboi 2012330/1077 (30%)
29.Drinksjboi 2012222/977 (22%)
30.Boxesjboi 201260/449 (13%)
31.Mountain runningjboi 201298/446 (21%)
32.Counting inversionsjboi 2013377/1579 (23%)
33.Cyclic marathonjboi 2013103/892 (11%)
34.Pointsjboi 2013116/547 (21%)
35.Big Circlejboi 2014246/1133 (21%)
36.Fuleco and Brazil antjboi 2014211/794 (26%)
37.Strategyjboi 201494/443 (21%)
38.Mascot songjboi 2014117/503 (23%)
39.Ticketsjboi 2014215/620 (34%)
40.Andres Iniestajboi 2014100/600 (16%)
41.Pianojboi '15191/617 (30%)
42.Palm treesjboi '1562/457 (13%)
43.Drinksjboi '1533/843 (3%)
44.Algorithmsjboi '1520/500 (4%)
45.Floodjboi '1567/334 (20%)
46.Startupjboi '15182/824 (22%)
47.Examjboi '1649/585 (8%)
48.Hacking tasksjboi '1666/348 (18%)
49.Printing costsjboi '1637/141 (26%)
50.Programmersjboi '16106/862 (12%)
51.Swapsjboi '16141/620 (22%)
52.Donationsjboi '16109/782 (13%)
53.Magicejoi '17151/568 (26%)
54.Sixejoi '1729/132 (21%)
55.Particlesejoi '1795/532 (17%)
56.Camelejoi '1721/119 (17%)
57.Experienceejoi '1757/225 (25%)
58.Gameejoi '1797/479 (20%)
59.Harmonic numberjboi '1838/418 (9%)
60.Kbinjboi '1878/763 (10%)
61.Shootingsjboi '1833/247 (13%)
62.Doubletroublejboi '1811/486 (2%)
63.Orjboi '1840/605 (6%)
64.Trainjboi '1864/267 (23%)