#include <iostream>
#include <string>
#include <cstring>

using namespace std;
int main(int argc, char *argv[])
{
    char charr1[20];
    char charr2[20] = "jaguar";
    string str1;
    string str2 = "panther";

    str1 = str2;

    strcpy(charr1, charr2);

    str1 += " paste";
    strcat(charr1, " juice");

    int len1 = str1.size();
    int len2 = strlen(charr1);

    std::cout << "The string " << str1 << " contains " << len1 << " characters." << std::endl;
    std::cout << "The string " << charr1 << " contains " << len2 << " characters." << std::endl;
    return 0;
}