I'v tried to solve this problem from 4 or 5 days, but the only solution that I'v wrote finish running in 84 seconds using Segmented Sieve.
So is there any hints or resources to start working on the correct solution?
How to solve SUMPRIM1 — Sum of primes from SPOJ
I'v tried to solve this problem from 4 or 5 days, but the only solution that I'v wrote finish running in 84 seconds using Segmented Sieve.
So is there any hints or resources to start working on the correct solution?
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