prwtoergasthrio

#include<iostream>
#include<string>

int main(){

    std::string str01,str02,str03,str04,str05;
    str01="avti";
    str02.assign("para");
    str03.assign("8esn");
    str04=str01=str02+str03;
    std::cout << "str04(str01+str02+str03): " << str04 << "\n";
    str01.swap(str02);
    str05.append(str01);
    str05.append(str03);
    str02+=str05;
    std::cout << "str02(str02+=str05):" << str02 << "\n";
    str02.erase(0,4);
    std::cout << "str02 after erasing from pos 0 , 4 chars:" << str02 << "\n";

    str01.clear();
    int k=0;

    for(int i=0; i<32; i++){
        for(int j=0; j<16; j++){
            str01=(k);
            std::cout << "k" << k << "=" << str01 << ", ";
            k++;
        }
        std::cout << "\n";
    }
    str01.clear();
    std::cout << "str01.clear(): " <<"\n";
    for(int i=1; i<257; i++){
        str01+=(i);
    }
    std::cout << "str01: " << str01 << "\n";
    return 0;
}

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

#include<iostream>
#include<string>

int main(){

    std::string str01="to be question";
    std::string str02="the ";
    std::string str03="or not to be";

    str01.insert(6,str02);
    std::cout <<  str01 << '\n';
    str01.insert(6,str03,3,4);
    std::cout <<  str01 << '\n';
    str01.insert(10,"that is cool",8);
    std::cout <<  str01 << '\n';
    str01.insert(15,1,':');
    std::cout <<  str01 << '\n';

    std:: string base="this is a test string.";
    str02="n example";
    str03="sample phrase";

    str01= base;
    std::cout << str01 << '\n';
    str01.replace(9,5,str02);
    std::cout << str01 << '\n';
    str01.replace(19,6,str03,7,6);
    std::cout <<  str01 << '\n';
    str01.replace(8,10,"just a");
    std::cout << str01 << '\n';
    str01.replace(8,6,"a shorty",7);
    std::cout << str01 << '\n';
    str01.replace(22,1,3,'!');
    std::cout << str01 << '\n';
    return 0;
}


#include<iostream>
#include<string>

int main(){

    std::string str01="to be question";
    std::string str02="the ";
    std::string str03="or not to be";

    str01.insert(6,str02);
    std::cout <<  str01 << '\n';
    str01.insert(6,str03,3,4);
    std::cout <<  str01 << '\n';
    str01.insert(10,"that is cool",8);
    std::cout <<  str01 << '\n';
    str01.insert(15,1,':');
    std::cout <<  str01 << '\n';

    std:: string base="this is a test string.";
    str02="n example";
    str03="sample phrase";

    str01= base;
    std::cout << str01 << '\n';
    str01.replace(9,5,str02);
    std::cout << str01 << '\n';
    str01.replace(19,6,str03,7,6);
    std::cout <<  str01 << '\n';
    str01.replace(8,10,"just a");
    std::cout << str01 << '\n';
    str01.replace(8,6,"a shorty",7);
    std::cout << str01 << '\n';
    str01.replace(22,1,3,'!');
    std::cout << str01 << '\n';
    return 0;
}