有以下程序: #include <iostream> using namespace std; class count { static int n; public: count ( ) { n++; } static int test() { for (int i = 0; i < 4; i++ ) n++; return n; } }; int count :: n = 0; int main() { cout<<count :: test()<<" "; count c1, c2; cout<<count :: test()<<end1; return 0; } 执行后的输出结果是( )。
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