cp_library/math/series/sum_of_squares_fn.py

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• Last update: 2025-03-30 20:17:47+09:00

Code

import cp_library.math.series.__header__

def sum_of_squares(n):
    return n * (n + 1) * (2*n+1) // 6

'''
╺━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╸
             https://kobejean.github.io/cp-library               
'''

def sum_of_squares(n):
    return n * (n + 1) * (2*n+1) // 6

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