29 下列的 C++語言程式執行後輸出為何?
#include <iostream> #include <string> using namespace std;int main(){int a=0, b=0;string * s1=new string("test");string * s2=new string("test");if (s1==s2) a=a+2;if (*s1==*s2) b=b+2;count<<a<<" "<<b;
(A)0 0
(B)0 2
(C)2 0
(D)2 2
#include <iostream>
#include <string>
using namespace std;
int main()
{
int a=0, b=0;
string * s1=new string("test");
string * s2=new string("test");
if (s1==s2) a=a+2;
if (*s1==*s2) b=b+2;
count<<a<<" "<<b;
(A)0 0
(B)0 2
(C)2 0
(D)2 2
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統計: A(25), B(129), C(40), D(17), E(0) #682783
統計: A(25), B(129), C(40), D(17), E(0) #682783