33 lines
448 B
C
33 lines
448 B
C
/*
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* Compute the sum of prime numbers up to 10000.
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*/
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main()
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{
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int sum, n;
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sum = 0;
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for (n=2; n<10000; ++n) {
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if (isprime(n)) {
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sum += n;
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}
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}
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printf("Sum of primes less than 10000: %d\n", sum);
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}
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isprime(n)
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int n;
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{
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int j;
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if (n == 2)
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return 1;
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if (n % 2 == 0)
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return 0;
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for (j=3; j*j<=n; j+=2)
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if (n % j == 0)
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return 0;
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return 1;
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}
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