27 lines
423 B
C++
27 lines
423 B
C++
// 输入一个数，如果它是质数，输出 "Yes"，否则输出 "No"。
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#include <iostream>
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using namespace std;
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int main()
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{
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int n;
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cout << "请输入一个整数: ";
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cin >> n;
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int i = 2;
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while (i * i <= n)
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{
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if (n % i == 0)
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{
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cout << "No" << endl;
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return 0;
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}
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else
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i++;
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}
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cout << "Yes" << endl;
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return 0;
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} |