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2880 - Gradinita
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== Rezolvare == <syntaxhighlight lang="python3" line="1"> def este_prim(numar): if numar < 2: return False for i in range(2, int(numar**0.5) + 1): if numar % i == 0: return False return True def suma_cifre(numar): return sum(int(cifra) for cifra in str(numar)) def verificare_date_intrare(n, k, copii): if not (1 <= n <= 100000) or not (1 <= k <= 100000): return False for copil in copii: if not (1 <= copil <= 100000): return False return True # Citire din fișierul de intrare with open('gradinitain.txt', 'r') as file: n, k = map(int, file.readline().split()) copii = list(map(int, file.readline().split())) # Verificare date de intrare if not verificare_date_intrare(n, k, copii): print("Datele introduse nu corespund restrictiilor impuse") else: # Etapa 1: Eliminare copii obraznici cu numere prime copii = [copil for copil in copii if not este_prim(copil)] # Etapa 2: Eliminare copii obraznici cu suma cifrelor de pe poziții impare primă copii = [copil for copil in copii if not este_prim(suma_cifre(copil))] # Etapa 3: Eliminare copii cuminți din k în k if copii: copii = copii[k-1::k] # Scriere în fișierul de ieșire with open('gradinitaout.txt', 'w') as file: if copii: file.write(' '.join(map(str, copii))) else: file.write('Toti copiii sunt obraznici!') </syntaxhighlight>
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