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有如下程序: include using namespace std; class Sample { frien

有如下程序: #include <iostream> using namespace std; class Sample { friend long fun(Sample s); public: Sample(long a) {x=a;} private: long x; }; long fun(Sample s) { if(s.x < 2) return 1; return s.x * fun(Sample(s.x-1)); } int main() { int stun = 0; for (int i=0; i<6; i++) {sum += fun(Sample(i));} cout << sum; return 0; }运行时输出的结果是

A.120

B.16

C.154

D.34


参考答案

更多 “ 有如下程序: include using namespace std; class Sample { frien 有如下程序: #include <iostream> using namespace std; class Sample { friend long fun(Sample s); public: Sample(long a) {x=a;} private: long x; }; long fun(Sample s) { if(s.x < 2) return 1; return s.x * fun(Sample(s.x-1)); } int main() { int stun = 0; for (int i=0; i<6; i++) {sum += fun(Sample(i));} cout << sum; return 0; }运行时输出的结果是A.120B.16C.154D.34 ” 相关考题
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