 Pesa makanisi misato oyo ekoki kosalelama mpo na kosangana na manaka ya momekano.
1. Codeforces (https://codeforces.com/): Codeforces ezali plateforme eyebani malamu mpo na programmation ya concurrence esika basaleli bakoki ko participer na ba concours mondiaux, ba concours virtuels, mpe ba problèmes ya pratique oyo ewutaki na ba concours ya kala. 2. TopCoder (https://www.topcoder.com/): TopCoder ezali plateforme mosusu ya liboso mpo na programmation ya concurrence, esika basaleli bakoki kosangana na ba concours ya poso na poso mpe mbala mibale na poso, mpe bakoki mpe kosala na ba problèmes ya ba concours ya kala. 3. HackerRank (https://www.hackerrank.com/): HackerRank epesaka ba concours ndenge na ndenge, na kati na yango ba concours ya poso na poso, ya sanza, mpe ya sanza mibale, mpe lisusu ba concours ya spécialisé mingi oyo etali ba domaines spécifiques lokola ba algorithmes, ba structures ya ba données , to matematiki. En plus, ezali na bibliothèque ya ba problèmes ya pratique oyo ba usagers bakoki kosala pona ko améliorer ba compétences na bango.