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23 lines
503 B
23 lines
503 B
#include<bits/stdc++.h>
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using namespace std;
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int main() {
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//打开文件,改一下文件名
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freopen("prime.txt", "w", stdout);
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//x和y分别是要打表的素数开始值和结束值
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int a, b;
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int x, y, num = 0;;
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cin >> x >> y;
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for (a = x; a <= y; a++) {
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for (b = 2; b <= sqrt(a); b++) {
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if (a % b == 0) break;
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}
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if (b > sqrt(a)) {
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cout << a << ",";
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num++;
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}
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}
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cout << endl << num;
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return 0;
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} |