019f8fd211
git-subtree-dir: users/wpcarro git-subtree-mainline:464bbcb15cgit-subtree-split:24f5a642afChange-Id: I6105b3762b79126b3488359c95978cadb3efa789
50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
def init_table(rows=0, cols=0, default=None):
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table = []
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for _ in range(rows):
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row = []
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for _ in range(cols):
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row.append(default)
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table.append(row)
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return table
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def print_table(table):
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result = ''
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for row in range(len(table)):
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x = ''
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for col in range(len(table[row])):
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x += str(table[row][col]) + ' '
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result += x + '\n'
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print(result)
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def get(table, row, col):
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if row < 0 or col < 0:
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return 0
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else:
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return table[row][col]
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def make_change(coins, amt):
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table = init_table(rows=len(coins), cols=amt, default=0)
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for row in range(len(table)):
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for col in range(len(table[row])):
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coin = coins[row]
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curr_amt = col + 1
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pull_down = get(table, row - 1, col)
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if curr_amt < coin:
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table[row][col] = pull_down
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elif curr_amt == coin:
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table[row][col] = pull_down + 1
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else:
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leftover = get(table, row, curr_amt - coin - 1)
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table[row][col] = pull_down + leftover
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print_table(table)
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return table[-1][-1]
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# 1 2 3 4
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# 1 1 1 1 1
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# 2 1 1 2 2
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# 3 1 1 3 4
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result = make_change([3,2,1], 4)
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print(result)
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