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Hi, I read the editorial, and I am trying to prove the formula for sumC(a[i], 4p) but with no luck. Could anyone point me to the proof of the formula?
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King and Four Sons
You are viewing a single comment's thread. Return to all comments →
Hi, I read the editorial, and I am trying to prove the formula for sumC(a[i], 4p) but with no luck. Could anyone point me to the proof of the formula?