Correction de l’activité 3 p.47 du cahier SNT Bordas
matrice=[[0,0,0,1,0,0,0,0,0,0,0,1,0,0], [0,0,0,1,0,0,0,0,0,0,0,0,0,0], [0,0,0,1,0,0,0,0,0,0,0,0,0,0], [1,1,1,0,0,0,0,0,0,1,0,0,0,0], [0,0,0,0,0,1,0,0,0,0,0,0,0,0], [0,0,0,0,1,0,1,1,0,1,0,0,0,0], [0,0,0,0,0,1,0,0,0,0,0,0,0,0], [0,0,0,0,0,1,0,0,1,0,0,0,0,0], [0,0,0,0,0,0,0,1,0,0,0,0,0,0], [0,0,0,1,0,1,0,0,0,0,0,0,1,0], [0,0,0,0,0,0,0,0,0,0,0,0,1,0], [1,0,0,0,0,0,0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0,0,1,1,0,0,1], [0,0,0,0,0,0,0,0,0,0,0,0,1,0]] def mystere(matrice): compteur = 0 nombre_lignes = len(matrice) nombre_colonnes = len(matrice[0]) for i in range(nombre_lignes): for j in range(nombre_colonnes): if matrice[i][j] == 1: compteur = compteur + 1 return compteur/2