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Add files via upload #11

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20 changes: 20 additions & 0 deletions Sieve_ of_Eratosthenes.py
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Original file line number Diff line number Diff line change
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import sys
sys.stdin = open('input.txt', 'r')
sys.stdout = open('output.txt', 'w')

M = int(1e6) + 1

composite = [0 for i in xrange(int(M))]

def sieve():
for i in xrange(2, M):
cnt = 2
while cnt*i < M:
composite[cnt*i] = 1
cnt += 1

if __name__ == '__main__':
print composite[2]
print composite[5]
print composite[6]
print composite[12]