Maximum number of distinct positive integers that can be used to represent N | Python3 implementation of the approach ; Function to return the required count ; Driver code
from math import sqrt NEW_LINE def count ( n ) : NEW_LINE INDENT return ( - 1 + sqrt ( 1 + 8 * n ) ) // 2 ; NEW_LINE DEDENT if __name__ == " _ _ main _ _ " : NEW_LINE INDENT n = 10 ; NEW_LINE print ( count ( n ) ) ; NEW_LINE DEDENT