3.2 v2

// Laboration 3, Assignment_2.cpp
// Fabian Tjernström (fatj1700) 2019-01-20

#include <iostream>
#include <string>
#include <sstream>
#include <locale>

using namespace std;

int main()
{

    string name1, name2, name3;
    string first1, first2, first3, last1, last2, last3;
    string no1, no2, no3, store;

    //Input av för- och efternamn.
    //Strängarna first1-3 och last1-3 konverteras till gemener för att kunna jämföras.

    cout << "*** Enter three full names, including first and last. ***" << endl;

    cin.clear();
    getline(cin, name1);
    istringstream iss1(name1);
    iss1 >> first1 >> last1;
    for(int i = 0; i < first1.length(); i++) {
        char c = first1[i];
        first1[i] = tolower(c);
    }
    for(int i = 0; i < last1.length(); i++) {
        char c = last1[i];
        last1[i] = tolower(c);
    }

    cin.clear();
    getline(cin, name2);
    istringstream iss2(name2);
    iss2 >> first2 >> last2;
    for(int i = 0; i < first2.length(); i++) {
        char c = first2[i];
        first2[i] = tolower(c);
    }
    for(int i = 0; i < last2.length(); i++) {
        char c = last2[i];
        last2[i] = tolower(c);
    }

    cin.clear();
    getline(cin, name3);
    istringstream iss3(name3);
    iss3 >> first3 >> last3;
    for(int i = 0; i < first3.length(); i++) {
        char c = first3[i];
        first3[i] = tolower(c);
    }
    for(int i = 0; i < last3.length(); i++) {
        char c = last3[i];
        last3[i] = tolower(c);
    }

    //Jämför de konverterade strängarna. Först efternamn, sedan förnamn.
    //De ursprungliga inmatningarna är sparade i name1-3.

    no1 = name1;
    no2 = name2;
    no3 = name3;

    if(last1 > last2 && last1 != last2) {
        store = no1;
        no1 = no2;
        no2 = store;
    }
    else if(last1 == last2) {
        if(first1 > first2) {
            store = no1;
            no1 = no2;
            no2 = store;
        }
    }

    if(last1 > last3 && last1 != last3) {
        store = no1;
        no1 = no3;
        no3 = store;
    }
    else if(last1 == last3) {
        if(first1 > first3) {
            store = no1;
            no1 = no3;
            no3 = store;
        }
    }

    if(last2 > last3 && last2 != last3) {
        store = no2;
        no2 = no3;
        no3 = store;
    }
    else if(last2 == last3) {
        if(first2 > first3) {
            store = no2;
            no2 = no3;
            no3 = store;
        }
    }

    cout << "----" << endl;
    cout << "No.1: " << no1 << endl;
    cout << "No.2: " << no2 << endl;
    cout << "No.3: " << no3 << endl;

    return 0;
}