#include <iostream>
#include <string>
#include <stdio.h>
using namespace std;
int main()
{
string name[2] = {
string("1234", sizeof("1234")),
string("567", sizeof("567"))
};
string list[] = {"A1", "A2"};
string str = "";
str.append("{");
for (int i = 0; i < 2; i++) {
str.append(list[i]);
str.append(":");
str.append(name[i]);
str.append(",");
}
str.pop_back();
str.append("}");
cout << "cout: " << str << "\n";
const char *s = str.c_str();
cout << "send: " << s << "\n";
return 0;
}
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