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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007476/1358 (35%)
2.Booksjboi 2007412/1154 (35%)
3.Numbersjboi 2007387/1687 (22%)
4.Boatsjboi 2007225/1259 (17%)
5.Chairsjboi 2007396/1091 (36%)
6.Coinsjboi 2008378/974 (38%)
7.Closestjboi 2008180/1146 (15%)
8.Rectanglesjboi 2008359/855 (41%)
9.Jumpsjboi 2008307/1950 (15%)
10.Squaresjboi 2008231/786 (29%)
11.Sumxjboi 2008514/1839 (27%)
12.Handshakesjboi 2009219/1548 (14%)
13.Riddlesjboi 2009208/721 (28%)
14.Coinsjboi 2009226/635 (35%)
15.Reconstructionjboi 2010235/755 (31%)
16.Competitionjboi 2010208/1323 (15%)
17.Examsjboi 2010244/1079 (22%)
18.Pawnsjboi 2011160/707 (22%)
19.Puzzlejboi 201198/279 (35%)
20.Sortingjboi 2011201/534 (37%)
21.Heritagejboi 201167/502 (13%)
22.Sambajboi 2011430/1045 (41%)
23.Spiral 123jboi 201175/297 (25%)
24.Committeejboi 2012369/961 (38%)
25.Guidesjboi 2012146/634 (23%)
26.Squaresjboi 201239/274 (14%)
27.Summingjboi 2012147/671 (21%)
28.Lucky numbersjboi 2012319/978 (32%)
29.Drinksjboi 2012219/963 (22%)
30.Boxesjboi 201260/449 (13%)
31.Mountain runningjboi 201298/446 (21%)
32.Counting inversionsjboi 2013373/1569 (23%)
33.Cyclic marathonjboi 2013103/886 (11%)
34.Pointsjboi 2013115/546 (21%)
35.Big Circlejboi 2014242/1115 (21%)
36.Fuleco and Brazil antjboi 2014211/793 (26%)
37.Strategyjboi 201493/442 (21%)
38.Mascot songjboi 2014116/502 (23%)
39.Ticketsjboi 2014213/615 (34%)
40.Andres Iniestajboi 201499/599 (16%)
41.Pianojboi '15186/610 (30%)
42.Palm treesjboi '1562/457 (13%)
43.Drinksjboi '1533/843 (3%)
44.Algorithmsjboi '1520/500 (4%)
45.Floodjboi '1567/334 (20%)
46.Startupjboi '15180/818 (22%)
47.Examjboi '1649/578 (8%)
48.Hacking tasksjboi '1666/345 (19%)
49.Printing costsjboi '1637/141 (26%)
50.Programmersjboi '16106/862 (12%)
51.Swapsjboi '16141/617 (22%)
52.Donationsjboi '16109/776 (14%)
53.Magicejoi '17150/567 (26%)
54.Sixejoi '1729/132 (21%)
55.Particlesejoi '1795/532 (17%)
56.Camelejoi '1721/119 (17%)
57.Experienceejoi '1757/225 (25%)
58.Gameejoi '1797/477 (20%)
59.Harmonic numberjboi '1838/415 (9%)
60.Kbinjboi '1878/757 (10%)
61.Shootingsjboi '1831/236 (13%)
62.Doubletroublejboi '1811/474 (2%)
63.Orjboi '1838/589 (6%)
64.Trainjboi '1862/253 (24%)