[Jongol] 기초다지기 : 배열1

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일시 : 2018.02.03

장소 : 답십리 도서관

내용 : 정올 기초다지기 배열1, 파이썬 2버전

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555

  num = raw_input()
  str_list = num.split()
  ​
  str = ""
  for i in range(0, 10):
      str += str_list[i]
  print(str)

556

  
  str_list = list(range(1, 11))
  ​
  for i in range(0, 10):
      print(str_list[i]),

★★ range 의 기능 활용하여 특정 범위의 숫자 리스트에 넣기

• 리스트 = list(range(횟수))

• 리스트 = list(range(시작, 끝))

• 리스트 = list(range(시작, 끝, 증가폭))

557

  
  str = raw_input()
  str_list = str.split()
  ​
  print("%s %s %s" % (str_list[0], str_list[3], str_list[6]))

558

  
  num = raw_input()
  num_list = num.split()
  ​
  i = 0
  while True:
      if int(num_list[i]) == 0:
          break
      i += 1
      
  for j in range(i-1, -1, -1):
      print("%d" % int(num_list[j])),

559

  
  class_score = [85.6, 79.5, 83.1, 80.0, 78.2, 75.0]
  ​
  a, b = raw_input().split()
  ​
  sum = class_score[int(a)-1] + class_score[int(b)-1]
  ​
  print("%.1f" % sum)

560

  
  num = raw_input()
  num_list = num.split()
  ​
  min = 1000
  ​
  for i in range(0, len(num_list)):
      if int(num_list[i]) < min:
          min = int(num_list[i])
  ​
  print("%d" % min)

561

  
  num = raw_input()
  num_list = num.split()
  ​
  max = 0
  min = 10000
  ​
  for i in range(0, len(num_list)):
      if int(num_list[i]) < 100:
          if int(num_list[i]) > max:
              max = int(num_list[i])
      else:
          if int(num_list[i]) < min:
              min = int(num_list[i])
          
  if max == 0:
      max = 100
  if min == 10000:
      min = 100
  ​
  print("%d %d" % (max, min))

562

  
  num = raw_input()
  num_list = num.split()
  ​
  even_sum, odd_sum = 0, 0
  ​
  for i in range(0, len(num_list), 2):
      odd_sum += int(num_list[i])
  ​
  for j in range(1, len(num_list), 2):
      even_sum += int(num_list[j])
      
  avg = float(odd_sum) / 5
  ​
  print("sum : %d" % even_sum)
  print("avg : %.1f" % avg)

★★563

• 문자열을 정수형으로 바꾸었을 때와 안바꾸었을 때 정렬 결과 비교

  
  #version1
  num = raw_input()
  num_list = num.split()
  ​
  for i in range(len(num_list)):
      num_list[i] = int(num_list[i])
  ​
  print(num_list)
  ​
  num_list.sort()
  print(num_list)
  ​
  num_list.reverse()
  print(num_list)
  ​
  ​
  ​
  ##version2
  num = raw_input()
  num_list = num.split()
  ​
  print(num_list)
  ​
  num_list.sort()
  print(num_list)
  ​
  num_list.reverse()
  print(num_list)

  
  num = raw_input()
  num_list = num.split()
  ​
  for i in range(len(num_list)):
      num_list[i] = int(num_list[i])
  ​
  num_list.sort()
  num_list.reverse()
  ​
  for i in range(len(num_list)):
      print("%d" % num_list[i]),

150

  
  str = raw_input()
  str_list = str.split()
  ​
  for i in range(len(str_list)-1, -1, -1):
      print("%s" % str_list[i]),

151

  
  num = raw_input()
  num_list = num.split()
  ​
  sum = 0
  ​
  for i in range(0, len(num_list), 2):
      sum += int(num_list[i])
      
  print("%d" % sum)

152

  
  num = raw_input()
  num_list = num.split()
  ​
  odd, even = 0, 0
  ​
  for i in range(0, len(num_list), 2):
      odd += int(num_list[i])
      
  for i in range(1, len(num_list), 2):
      even += int(num_list[i])
  ​
  print("odd : %d" % odd)
  print("even : %d" % even)

153

  
  num = raw_input()
  num_list = num.split()
  ​
  i = 0
  while True:
      if int(num_list[i]) == -1:
          break
      i += 1
  ​
  if i <= 2 :
      for j in range(0, i):
          print("%s" % num_list[j]),
  else:
      for j in range(i-3, i):
          print("%s" % num_list[j]),

154

  
  num = raw_input()
  num_list = num.split()
  ​
  sum = 0
  for i in range(0, len(num_list)):
      sum += float(num_list[i])
  ​
  avg = sum / len(num_list)
  print("%.1f" % avg)

155

  
  str_list = ['J', 'U', 'N', 'G', 'O', 'L']
  ​
  input_str = raw_input()
  i = 0
  ​
  while True :
      if i >= len(str_list):
          print("none")
          break
      
      if input_str == str_list[i]:
          flag = 1
          print("%d" % i)
          break
      i += 1

156

  
  num = raw_input()
  num_list = num.split()
  ​
  i = 0
  min = 999 
  max = 0
  ​
  while int(num_list[i]) != 999:
      if int(num_list[i]) < min:
          min = int(num_list[i])
      if int(num_list[i]) > max:
          max = int(num_list[i])
      i += 1
  ​
  print("max : %d" % max) 
  print("min : %d" % min) 

157

  
  num = raw_input()
  num_list = num.split()
  ​
  i = 0
  cnt = 0
  sum = 0
  ​
  while int(num_list[i]) != 0:
      if int(num_list[i]) % 5 == 0:
          cnt += 1
          sum += int(num_list[i])
      i += 1
  ​
  print("Multiples of 5 : %d" % cnt) 
  print("sum : %d" % sum) 
  print("avg : %.1f" % (float(sum)/cnt))

158

  
  num = raw_input()
  num_list = num.split()
  ​
  new_list = []
  ​
  i = 0 
  ​
  while int(num_list[i]) != 0:
      
      if (int(num_list[i]) % 2) != 0:
          new_list.append(int(num_list[i])*2)
      elif (int(num_list[i]) % 2) == 0:
          new_list.append(int(num_list[i])//2)
      i += 1
      
  print("%d" % i)
  ​
  for i in range(0, len(new_list)):
      print("%d" % new_list[i]),

159

  
  num = int(raw_input())
  score = raw_input().split()
  ​
  for i in range(num):
      score[i] = int(score[i])
  ​
  score.sort()
  score.reverse()
  ​
  for i in range(num):
      print("%d" % int(score[i]))