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- nkin = raw_input("")
- ain = raw_input("")
- nkin = nkin.split()
- a = []
- a.append([int(x) for x in ain.split()])
- a = a[0]
- n = int(nkin[0])
- k = int(nkin[1])
- a.sort()
- rezultat = []
- l = 0
- d = 0
- for i in range(0, k):
- if (i % 2) != 0:
- rezultat.append(a[len(a)-d-1])
- d+=1
- else:
- rezultat.append(a[l])
- l += 1
- s = 0
- print (rezultat)
- for i in range(0, k-1):
- s += abs(rezultat[i+1] - rezultat[i])
- print(s)
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