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20 lines
282 B
C
20 lines
282 B
C
int prime(int p) {
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if (p <= 1) return 0;
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for (int i = 2; i * i <= p; i++) {
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if (p % i == 0) return 0;
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}
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return 1;
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}
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int PrimeSum(int m, int n) {
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int sum = 0;
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for (int i = m; i <= n; i++) {
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if (prime(i)) sum += i;
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}
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return sum;
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}
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