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barbos01

intervale4

May 2nd, 2022
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Python 1.09 KB | None | 0 0
  1. fisier = open('intervale4.in', 'r')  # deschidem fisierul
  2. prima_linie = fisier.readline().strip().split(' ')  # citim prima linie, unde avem numarul de intervale
  3. nr_intervale = int(prima_linie[0])
  4. punct_x = []  # contine coordonatele de pe abscisa
  5. punct_y = []  # contine coordonatele de pe ordonata
  6.  
  7. for i in range(nr_intervale):  # citim intervalele din fisier, le adaugam in doua stive
  8.     linie = fisier.readline().strip().split(' ')
  9.     punct_x.append(int(linie[0]))
  10.     punct_y.append(int(linie[1]))
  11.  
  12. i = 0
  13. while i < nr_intervale: # cat timp parcurgem intervalele
  14.     while i >= 1 and not (punct_x[i] > punct_y[i - 1] or punct_y[i] < punct_x[i - 1]): # daca  i >= 1 si conditia negata este adevarata
  15.         punct_x[i - 1] = min (punct_x[i], punct_x[i - 1])
  16.         punct_y[i - 1] = max(punct_y[i], punct_y[i - 1])
  17.         punct_x.pop(i)
  18.         punct_y.pop(i)
  19.         i -= 1
  20.         nr_intervale -= 1
  21.     i += 1
  22.  
  23. print("Intervalele ramase sunt: ")
  24. for i in range(len(punct_x)):
  25.     print(punct_x[i], " ", punct_y[i])
  26. print("\nNumarul de intervale ramase: ")
  27. print(nr_intervale, "\n")
  28.  
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