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International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007303/862 (35%)
2.Booksjboi 2007259/762 (33%)
3.Numbersjboi 2007247/1183 (20%)
4.Boatsjboi 2007136/742 (18%)
5.Chairsjboi 2007251/717 (35%)
6.Coinsjboi 2008240/660 (36%)
7.Closestjboi 2008122/727 (16%)
8.Rectanglesjboi 2008209/527 (39%)
9.Jumpsjboi 2008211/1435 (14%)
10.Squaresjboi 2008150/549 (27%)
11.Sumxjboi 2008322/1273 (25%)
12.Handshakesjboi 2009138/985 (14%)
13.Riddlesjboi 2009130/485 (26%)
14.Coinsjboi 2009147/447 (32%)
15.Reconstructionjboi 2010166/499 (33%)
16.Competitionjboi 2010135/763 (17%)
17.Examsjboi 2010152/747 (20%)
18.Pawnsjboi 201195/473 (20%)
19.Puzzlejboi 201169/170 (40%)
20.Sortingjboi 2011151/406 (37%)
21.Heritagejboi 201150/398 (12%)
22.Sambajboi 2011280/702 (39%)
23.Spiral 123jboi 201158/224 (25%)
24.Committeejboi 2012255/686 (37%)
25.Guidesjboi 2012101/474 (21%)
26.Squaresjboi 201227/220 (12%)
27.Summingjboi 2012105/539 (19%)
28.Lucky numbersjboi 2012231/739 (31%)
29.Drinksjboi 2012166/736 (22%)
30.Boxesjboi 201241/349 (11%)
31.Mountain runningjboi 201278/370 (21%)
32.Counting inversionsjboi 2013226/1064 (21%)
33.Cyclic marathonjboi 201373/736 (9%)
34.Pointsjboi 201377/371 (20%)
35.Big Circlejboi 2014134/767 (17%)
36.Fuleco and Brazil antjboi 2014145/575 (25%)
37.Strategyjboi 201454/247 (21%)
38.Mascot songjboi 201475/315 (23%)
39.Ticketsjboi 2014143/422 (33%)
40.Andres Iniestajboi 201462/298 (20%)
41.Pianojboi '15101/351 (28%)
42.Palm treesjboi '1535/256 (13%)
43.Drinksjboi '1520/602 (3%)
44.Algorithmsjboi '1513/296 (4%)
45.Floodjboi '1537/168 (22%)
46.Startupjboi '15110/584 (18%)
47.Examjboi '1638/330 (11%)
48.Hacking tasksjboi '1638/207 (18%)
49.Printing costsjboi '1621/72 (29%)
50.Programmersjboi '1664/494 (12%)
51.Swapsjboi '1686/372 (23%)
52.Donationsjboi '1662/512 (12%)
53.Magicejoi '1746/212 (21%)
54.Sixejoi '179/39 (23%)
55.Particlesejoi '1730/188 (15%)
56.Camelejoi '179/44 (20%)
57.Experienceejoi '1720/97 (20%)
58.Gameejoi '1738/251 (15%)
59.Harmonic numberjboi '1812/111 (10%)
60.Kbinjboi '1826/209 (12%)
61.Shootingsjboi '185/46 (10%)
62.Doubletroublejboi '180/17 (0%)
63.Orjboi '1810/127 (7%)
64.Trainjboi '1814/49 (28%)