What is the output of the following code if the input is: Pasadena Anaheim 2 string str1; string str2; char ch; int index; cin >> str1; cin >> str2; cin >> index; ch = str1[index]; str1[index + 2] = str2[index]; str2[index] = ch; cout << str1 << " " << str2 << endl;  简答题

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