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101 lines
3.0 KiB
Python
101 lines
3.0 KiB
Python
"""
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Test cases:
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Do you want to enter your denominations ? (Y/N) :N
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Enter the change you want to make in Indian Currency: 987
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Following is minimal change for 987 :
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500 100 100 100 100 50 20 10 5 2
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Do you want to enter your denominations ? (Y/N) :Y
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Enter number of denomination:10
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1
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5
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10
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20
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50
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100
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200
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500
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1000
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2000
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Enter the change you want to make: 18745
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Following is minimal change for 18745 :
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2000 2000 2000 2000 2000 2000 2000 2000 2000 500 200 20 20 5
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Do you want to enter your denominations ? (Y/N) :N
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Enter the change you want to make: 0
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The total value cannot be zero or negative.
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Do you want to enter your denominations ? (Y/N) :N
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Enter the change you want to make: -98
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The total value cannot be zero or negative.
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Do you want to enter your denominations ? (Y/N) :Y
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Enter number of denomination:5
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1
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5
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100
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500
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1000
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Enter the change you want to make: 456
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Following is minimal change for 456 :
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100 100 100 100 5 5 5 5 5 5 5 5 5 5 5 1
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"""
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def find_minimum_change(denominations: list[int], value: str) -> list[int]:
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"""
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Find the minimum change from the given denominations and value
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>>> find_minimum_change([1, 5, 10, 20, 50, 100, 200, 500, 1000,2000], 18745)
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[2000, 2000, 2000, 2000, 2000, 2000, 2000, 2000, 2000, 500, 200, 20, 20, 5]
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>>> find_minimum_change([1, 2, 5, 10, 20, 50, 100, 500, 2000], 987)
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[500, 100, 100, 100, 100, 50, 20, 10, 5, 2]
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>>> find_minimum_change([1, 2, 5, 10, 20, 50, 100, 500, 2000], 0)
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[]
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>>> find_minimum_change([1, 2, 5, 10, 20, 50, 100, 500, 2000], -98)
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[]
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>>> find_minimum_change([1, 5, 100, 500, 1000], 456)
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[100, 100, 100, 100, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1]
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"""
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total_value = int(value)
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# Initialize Result
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answer = []
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# Traverse through all denomination
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for denomination in reversed(denominations):
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# Find denominations
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while int(total_value) >= int(denomination):
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total_value -= int(denomination)
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answer.append(denomination) # Append the "answers" array
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return answer
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# Driver Code
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if __name__ == "__main__":
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denominations = []
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value = "0"
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if (
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input("Do you want to enter your denominations ? (yY/n): ").strip().lower()
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== "y"
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):
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n = int(input("Enter the number of denominations you want to add: ").strip())
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for i in range(n):
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denominations.append(int(input(f"Denomination {i}: ").strip()))
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value = input("Enter the change you want to make in Indian Currency: ").strip()
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else:
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# All denominations of Indian Currency if user does not enter
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denominations = [1, 2, 5, 10, 20, 50, 100, 500, 2000]
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value = input("Enter the change you want to make: ").strip()
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if int(value) == 0 or int(value) < 0:
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print("The total value cannot be zero or negative.")
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else:
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print(f"Following is minimal change for {value}: ")
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answer = find_minimum_change(denominations, value)
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# Print result
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for i in range(len(answer)):
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print(answer[i], end=" ")
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