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3450 - gegik
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== Rezolvare == <syntaxhighlight lang="python" line> def verifica_restrictii(n, arce): # Verifică dacă datele de intrare respectă restricțiile if not (1 <= n <= 100) or not all(1 <= i <= n and 1 <= j <= n for i, j in arce): return False return True def noduri_grad_suma_k(n, arce, k): # Inițializează gradele interioare și exterioare ale nodurilor grad_interior = [0] * (n + 1) grad_exterior = [0] * (n + 1) # Calculează gradele interioare și exterioare ale nodurilor for i, j in arce: grad_exterior[i] += 1 grad_interior[j] += 1 # Determină nodurile care au suma gradelor egală cu k noduri = [i for i in range(1, n + 1) if grad_interior[i] + grad_exterior[i] == k] return noduri def main(): n, m, k = map(int, input().split()) arce = [tuple(map(int, input().split())) for _ in range(m)] # Verifică dacă datele de intrare respectă restricțiile if not verifica_restrictii(n, arce): print("Datele de intrare nu corespund restrictiilor impuse") return print("Datele de intrare corespund restrictiilor impuse") # Determină nodurile care au suma gradelor egală cu k noduri = noduri_grad_suma_k(n, arce, k) # Afiseaza rezultatul if noduri: print(' '.join(map(str, sorted(noduri)))) else: print("NU EXISTA") if __name__ == "__main__": main() </syntaxhighlight>
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