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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007524/1458 (35%)
2.Booksjboi 2007455/1327 (34%)
3.Numbersjboi 2007427/1831 (23%)
4.Boatsjboi 2007239/1369 (17%)
5.Chairsjboi 2007428/1173 (36%)
6.Coinsjboi 2008417/1038 (40%)
7.Closestjboi 2008191/1221 (15%)
8.Rectanglesjboi 2008389/959 (40%)
9.Jumpsjboi 2008333/2102 (15%)
10.Squaresjboi 2008239/811 (29%)
11.Sumxjboi 2008567/1950 (29%)
12.Handshakesjboi 2009232/1691 (13%)
13.Riddlesjboi 2009213/738 (28%)
14.Coinsjboi 2009246/707 (34%)
15.Reconstructionjboi 2010252/776 (32%)
16.Competitionjboi 2010216/1369 (15%)
17.Examsjboi 2010268/1137 (23%)
18.Pawnsjboi 2011173/731 (23%)
19.Puzzlejboi 2011109/310 (35%)
20.Sortingjboi 2011209/552 (37%)
21.Heritagejboi 201170/531 (13%)
22.Sambajboi 2011477/1109 (43%)
23.Spiral 123jboi 201177/309 (24%)
24.Committeejboi 2012400/1032 (38%)
25.Guidesjboi 2012148/639 (23%)
26.Squaresjboi 201239/276 (14%)
27.Summingjboi 2012152/679 (22%)
28.Lucky numbersjboi 2012356/1162 (30%)
29.Drinksjboi 2012238/1021 (23%)
30.Boxesjboi 201263/473 (13%)
31.Mountain runningjboi 201299/455 (21%)
32.Counting inversionsjboi 2013393/1671 (23%)
33.Cyclic marathonjboi 2013107/898 (11%)
34.Pointsjboi 2013121/584 (20%)
35.Big Circlejboi 2014259/1182 (21%)
36.Fuleco and Brazil antjboi 2014219/852 (25%)
37.Strategyjboi 2014104/493 (21%)
38.Mascot songjboi 2014131/537 (24%)
39.Ticketsjboi 2014234/656 (35%)
40.Andres Iniestajboi 2014109/621 (17%)
41.Pianojboi '15206/656 (31%)
42.Palm treesjboi '1567/507 (13%)
43.Drinksjboi '1541/1099 (3%)
44.Algorithmsjboi '1523/593 (3%)
45.Floodjboi '1570/342 (20%)
46.Startupjboi '15195/851 (22%)
47.Examjboi '1649/586 (8%)
48.Hacking tasksjboi '1668/353 (19%)
49.Printing costsjboi '1638/146 (26%)
50.Programmersjboi '16111/896 (12%)
51.Swapsjboi '16147/634 (23%)
52.Donationsjboi '16111/784 (14%)
53.Magicejoi '17156/586 (26%)
54.Sixejoi '1732/143 (22%)
55.Particlesejoi '1799/538 (18%)
56.Camelejoi '1724/123 (19%)
57.Experienceejoi '1763/235 (26%)
58.Gameejoi '17102/490 (20%)
59.Harmonic numberjboi '1841/453 (9%)
60.Kbinjboi '1883/802 (10%)
61.Shootingsjboi '1835/249 (14%)
62.Doubletroublejboi '1815/542 (2%)
63.Orjboi '1843/623 (6%)
64.Trainjboi '1867/288 (23%)