1198: 106計算機程式設計作業 - 16 - Structure Operation

#include <iostream>
#include <cstring>
using namespace std;

int main()
{
    typedef struct
    {
        string firstName;
        string lastName;
        string phone;
    } StRec;
    StRec str[10];
    string input, input1, input2,input3;
    int count = 0;
    while(cin>>input)
        {
        if (input == "print")
        {
            if (count == 0)
            {
                cout << "Print Error\n";
            }
            else
            {
                for(int i=0;i<=count;i++)
                {
                    if(str[i].firstName == "")
                    {
                        continue;
                    }
                    cout << str[i].firstName << "\t" << str[i].lastName << "\t" << str[i].phone<<"\n";
                }
            }
        }
        else if (input =="insert")
        {
            if(count == 10)
            {
                cout << "Insert Error\n";
            }
            else
            {
                cin >> input1;
                cin >> input2;
                cin >> input3;
                str[count].firstName = input1;
                str[count].lastName = input2;
                str[count].phone = input3;
                cout << str[count].firstName << "\t" << str[count].lastName << "\t" << str[count].phone << "\n";
                count++;
            }
        }
        else if (input == "search")
        {
            bool flag = false;
            cin >> input1;
            cin >> input2;
            cin >> input3;
            for (int i=0 ; i<= count ; i++)
            {
                if (str[i].firstName == input1 &&
                    str[i].lastName == input2 &&
                    str[i].phone == input3)
                    {
                        cout<<i<<endl;
                        flag = 1;
                    }
            }
            if (flag == false)
            {
                cout << "Search Error\n";
            }
        }
        else if (input == "delete")
        {
            bool flag = false;
            cin >> input1;
            cin >> input2;
            cin >> input3;
            for (int i = 0; i <= count; i++)
            {
                if (str[i].firstName == input1 &&
                    str[i].lastName == input2 &&
                    str[i].phone == input3)
                {
                    str[i].firstName = "";
                    str[i].lastName = "";
                    str[i].phone = "";
                }
                flag = true;
            }
            if (flag == false)
            {
                cout << "Delete Error\n";
            }
        }
    }
}