试题与答案

下列程序的输出结果是______。 #include<iostream> using

题型:填空题

题目:

下列程序的输出结果是______。 #include<iostream> using namespace std; class Test { public: Test() { cnt++;} ~Test() {cnt--;} static int Count() {return cnt;} private: static int cnt; }; int Test::cnt=0; int main() { cout<<Test::Count()<<’’; Test t1,t2; Test*oT3=new Test; Test*pT4=new Test; cout<<Test::Count()<<’’; delete pT4; delete pT3; cout<<Test::Count()<<endl; return 0; }

答案:

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