array6.cpp

Code

/*
    array6.cpp
    CIS 250
    David Klick
    2005-02-06

    Demonstration of string handling and sorting.
*/

#include <iostream>
#include <string>
#include <cstring>
using std::cout;
using std::endl;
using std::string;

void displayArray1(string s[], int len);
void displayArray2(char names[][15], int len);
void sortArray1(string s[], int len);
void sortArray2(char names[][15], int len);

int main(void) {
    string s[] = {"Dave", "Bob", "Sue", "Ken", "Mary"};
    char names[][15] = {"Dave", "Bob", "Sue", "Ken", "Mary"};
    displayArray1(s, 5);
    displayArray2(names, 5);
    sortArray1(s, 5);
    sortArray2(names, 5);
    displayArray1(s, 5);
    displayArray2(names, 5);
    return 0;
}

void displayArray1(string s[], int len) {
    for (int i=0; i<len; i++) {
        cout << (i>0? ", " : "") << s[i];
    }
    cout << endl;
}

void displayArray2(char s[][15], int len) {
    for (int i=0; i<len; i++) {
        cout << (i>0? ", " : "") << s[i];
    }
    cout << endl;
}

void sortArray1(string s[], int len) {
    string tmp;
    for (int i=0; i<len-1; i++) {
        for (int j=i+1; j<len; j++) {
            if (s[j] < s[i]) {
                tmp = s[i];
                s[i] = s[j];
                s[j] = tmp;
            }
        }
    }
}

void sortArray2(char s[][15], int len) {
    char tmp[15];
    for (int i=0; i<len-1; i++) {
        for (int j=i+1; j<len; j++) {
            if (strcmp(s[i], s[j]) > 0) {
                strcpy(tmp, s[i]);
                strcpy(s[i], s[j]);
                strcpy(s[j], tmp);
            }
        }
    }
}