#include
#include
#include
#include
using namespace std;
void Prime() {
int k;
vector dv1;
vector dv2;
vector::iterator n;
vector::iterator m;
do{
cout << "请输入范围限定值c:" << " "; cin >> k;
if (!cin >> k) {
cout << "输入无效,请输入正确的数据!" << endl;
continue;
}
for (int i = 1; i <= k; ++i) {
int j = 2;
for (; j <= sqrt(i); ++j) {
if (i%j == 0)//用平方根以内的数去除,如果能除尽,则说明是合数,则跳出此次循环,此时i加1
//如果j自增到平方根还不能除尽,则j加1,说明是质数,此时j=sqrt(i)+1,自动跳出本循环
break;
}
if (j > sqrt(i) && i != 1) //j=sqrt(i)+1时说明i为质数,符合这个if条件,执行输出语句
dv1.push_back(i);
//cout << j <<endl;此为测试j值语句
else if (j <= sqrt(i) && i != 1)
dv2.push_back(i);
}
cout << "质数为:" << " ";
for (n = dv1.begin(); n != dv1.end(); n++)
cout << *n << " ";
cout << endl;
cout << "合数为:" << " ";
for (m = dv2.begin(); m != dv2.end(); m++)
cout << *m << " ";
cout << endl;
dv1.clear();
dv2.clear();
} while (cin >> k);
}
void main() {
Prime();
}
不通过反复系统调用,而是直接压缩到一个函数内解决,错误程序如下,求帮忙改正一下,谢谢!