Project Euler/10

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Project Euler Problem 10 is a problem related to prime numbers. The task is to find the sum of all prime numbers below 2000000.

Implementations

Python

primes=[]
sieve=[0]*2000005
for i in range(2,2000000):
    if not sieve[i]:
        primes.append(i)
    for j in primes:
        if j*i>=2000000:
            break
        sieve[j*i]=1
        if not i%j:
            break
print(sum(primes))

This does not work on the answer checking in Project Euler Mirror due to a bug in that site's source that makes it literally impossible to get a correct answer.