You are viewing a single comment's thread. Return to all comments →
count += int(mods[0] * (mods[0] - 1) / 2) from where did this equation come up?
Seems like cookies are disabled on this browser, please enable them to open this website
Divisible Sum Pairs
You are viewing a single comment's thread. Return to all comments →
count += int(mods[0] * (mods[0] - 1) / 2) from where did this equation come up?