已知如下C++代码,运行后的输出结果是?
#include <iostream>
using namespace std;
int main() {
char ch1 = 'A' + 2;
char ch2 = 'a' - 32;
int num = '9' - '0';
cout << ch1 << "," << ch2 << "," << num << endl;
return 0;
}
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