using namespace std; int main() { int N; cout << "输入N的值:"; cin >> N double x1 = 1;//初值 double x2 = x1 / 2.0 + N / 2.0 / x1; while ( fabs(x2 - x1) > 0.001) { x1 = x2; x2 = x1 / 2.0 + N / 2.0 / x1; } cout < return 0; }
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