#include <cstdlib>
#include <iostream>
#include <string.h>
using namespace std;
void f(char x[2], int index, char value){
x[index]=value;
}
int main(int argc, char**argv) {
char a[]="123456789";
strcpy(&a[2], "pippo");
f(&a[6], 1, '$');
cout<<a;
return 0;
}
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