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anish000kumar/coordinate compression.py

Last active December 7, 2020 16:34
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coordinate compression
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coordinate compression.py
def compress(arr):
arr.sort();
compress_map = {}
val = 1
for el in arr:
if el not in compress_map:
compress_map[el] = val
val += 1
for i in range(len(arr)):
arr[i] = compress_map[ arr[i] ]
return (arr, compress_map)
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