36 lines
440 B
C
36 lines
440 B
C
/*
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* Print the list of prime numbers up to 100.
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*/
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#include <stdio.h>
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int isprime(int);
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int main(void)
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{
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int n;
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for (n=2; n<100; ++n) {
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if (isprime(n)) {
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printf("%d ", n);
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}
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}
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printf("\n");
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}
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int isprime(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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