Learn programming...

International programming contests
 Task nameTask sourceLanguagesSucess rate
1.Mapjboi 2007256/762 (33%)
2.Booksjboi 2007219/672 (32%)
3.Numbersjboi 2007212/1064 (19%)
4.Boatsjboi 2007114/567 (20%)
5.Chairsjboi 2007219/641 (34%)
6.Coinsjboi 2008194/574 (33%)
7.Closestjboi 200890/545 (16%)
8.Rectanglesjboi 2008178/468 (38%)
9.Jumpsjboi 2008178/1228 (14%)
10.Squaresjboi 2008109/404 (26%)
11.Sumxjboi 2008289/1160 (24%)
12.Handshakesjboi 2009114/840 (13%)
13.Riddlesjboi 2009109/375 (29%)
14.Coinsjboi 2009108/328 (32%)
15.Reconstructionjboi 2010139/408 (34%)
16.Competitionjboi 2010105/587 (17%)
17.Examsjboi 2010131/665 (19%)
18.Pawnsjboi 201175/370 (20%)
19.Puzzlejboi 201158/132 (43%)
20.Sortingjboi 2011120/324 (37%)
21.Heritagejboi 201141/343 (11%)
22.Sambajboi 2011237/595 (39%)
23.Spiral 123jboi 201154/209 (25%)
24.Committeejboi 2012240/652 (36%)
25.Guidesjboi 201289/453 (19%)
26.Squaresjboi 201224/207 (11%)
27.Summingjboi 201285/437 (19%)
28.Lucky numbersjboi 2012211/674 (31%)
29.Drinksjboi 2012149/680 (21%)
30.Boxesjboi 201236/312 (11%)
31.Mountain runningjboi 201269/342 (20%)
32.Counting inversionsjboi 2013185/896 (20%)
33.Cyclic marathonjboi 201362/586 (10%)
34.Pointsjboi 201366/325 (20%)
35.Big Circlejboi 2014113/675 (16%)
36.Fuleco and Brazil antjboi 2014112/451 (24%)
37.Strategyjboi 201446/207 (22%)
38.Mascot songjboi 201459/274 (21%)
39.Ticketsjboi 2014119/366 (32%)
40.Andres Iniestajboi 201452/250 (20%)
41.Pianojboi '1590/323 (27%)
42.Palm treesjboi '1528/224 (12%)
43.Drinksjboi '1519/493 (3%)
44.Algorithmsjboi '1510/253 (3%)
45.Floodjboi '1527/116 (23%)
46.Startupjboi '1588/512 (17%)
47.Examjboi '1629/204 (14%)
48.Hacking tasksjboi '1625/125 (20%)
49.Printing costsjboi '1619/70 (27%)
50.Programmersjboi '1649/426 (11%)
51.Swapsjboi '1668/307 (22%)
52.Donationsjboi '1654/440 (12%)
53.Magicejoi '176/11 (54%)
54.Sixejoi '171/5 (20%)
55.Particlesejoi '171/3 (33%)
56.Camelejoi '172/12 (16%)
57.Experienceejoi '173/11 (27%)
58.Gameejoi '176/24 (25%)