16-20

#include <iostream>
#include <string.h>
using namespace std;

struct Payment
{
    char *name;
    char *date;
    int summ;
};

char* StringCopy(char* s)
{
    char* Str = 0;
    int lenght = 0;
    for (int i = 0; s[i]; i++)
        lenght++;
    lenght++;
    Str = new char [lenght];
    for (int i = 0; i<lenght; i++)
        Str[i] = s[i];
    return Str;
}
Payment* Init(int n)
{
    Payment* A = new Payment [n];
    return A;
}

void Delete(Payment* &A, int n)
{
    for (int i = 0; i<n; i++)
    {
        delete [](A[i].name);
        delete [](A[i].date);
    }
    delete []A;
    A=0;
}

void DataInput(Payment* &A, int n)
{
    const int N = 10000;
    char** Array = 0;
    int size = n;
    Array = new char* [size];
    cout << "Enter data : F_I_O_dd.mm.yy_summ" << endl;
    for (int i = 0; i<size; i++)
    {
        char TempString[N];
        cin.getline(TempString, N);
        Array[i] = StringCopy(TempString);
    }

    for (int i = 0; i<size; i++)
    {
        int spacesnum = 0, j = 0, q = 0;
        for (j = 0; Array[i][j]; j++)
        {
            if (Array[i][j]==' ')
                spacesnum++;
            if (spacesnum==3)
                break;
        }
        A[i].name = new char [j+1];
        for (int k = 0; k<j; k++)
            A[i].name[k] = Array[i][k];
        A[i].name[j]=0;
        j++;
        A[i].date = new char [9];
        for (int k = j; k<j+8; k++)
            A[i].date[k-j] = Array[i][k];
        A[i].date[8]=0;
        j=j+9;
        int lenght=0;
        for (int k = j; Array[i][k]; k++)
            lenght++;
        char* pay=0;
        int p = 0;
        pay = new char [lenght+1];
        for (int k = j; Array[i][k]; k++)
            pay[p++] = Array[i][k];
        pay[p] = 0;
        A[i].summ=atoi(pay);
        delete [] pay;
    }
    for (int i=0; i<size; i++)
    {
        delete [] Array[i];
    }
    delete [] Array;
}

void DataPrint(Payment* A, int n)
{
    for (int i = 0; i<n; i++)
        cout << A[i].name << " " << A[i].date << " " << A[i].summ << endl;
}
void FindPeople(Payment* A, int n, char ch)
{
    bool flag = false;
    for (int i = 0; i<n; i++)
    {
        if ((A[i].name[0]==toupper(ch))||(A[i].name[0]==tolower(ch)))
        {
            cout << A[i].name << " " << A[i].date << " " << A[i].summ << endl;
            flag = true;
        }
    }
    if (!flag)
        cout << "There are no such surnames." << endl;
}
void FindPay(Payment* A, int n, int s)
 {
    bool flag = false;
    for (int i = 0; i<n; i++)
    {
        if (A[i].summ > s)
        {
            cout << A[i].name << " " << A[i].date << " " << A[i].summ << endl;
            flag = true;
        }
    }
    if (!flag)
        cout << "There are no such payments." << endl;
 }

void TotalPay(Payment* A, int n, char* d)
 {
    int sum = 0;
    for (int i = 0; i<n; i++)
    {
        if (!(strcmp(A[i].date, d)) )
        {
            sum+=A[i].summ;
        }
    }
    cout << "Total payment of this day = " << sum << endl;
 }


void NoPay(Payment* A, int n)
 {
     bool month [12];
     for (int i = 0; i<12; i++)
         month[i] = false;
     char* num = new char [3];
     num[2] = 0;
     int m = 0;
     for (int i=0; i<n; i++)
     {
        num[0]=A[i].date[3];
        num[1]=A[i].date[4];
        m = atoi(num);
        month[m-1] = true;

     }
     delete[] num;
     cout << endl << "There were no payments in monthes: " << endl;
     for (int i = 0; i<12; i++)
     {
         if (!month[i])
         {
             switch (i){
                case 0:
                     cout << "January; " << endl;
                     break;
                case 1:
                     cout << "February " << endl;
                     break;
                case 2:
                     cout << "March; " << endl;
                     break;
                case 3:
                     cout << "April; " << endl;
                     break;
                case 4:
                     cout << "May; " << endl;
                     break;
                case 5:
                     cout << "June; " << endl;
                     break;
                case 6:
                     cout << "July; " << endl;
                     break;
                case 7:
                     cout << "August; " << endl;
                     break;
                case 8:
                     cout << "September; " << endl;
                     break;
                case 9:
                     cout << "October; " << endl;
                     break;
                case 10:
                     cout << "November; " << endl;
                     break;
                case 11:
                     cout << "December; " << endl;
                     break;
             }
         }
     }

 }
void main ()
{
    Payment* Massiv = 0;
    int n = 0, a;
    cout << "How many strings will be?" << endl;
    cin >> n;
    cin.ignore(256,'\n');
    Massiv = Init(n);
    DataInput(Massiv, n);

    system("cls");
    DataPrint(Massiv, n);

    cout << "Enter the 1st letter of surname : ";
    char FirstLetter;
    cin >> FirstLetter;
    if (cin.peek() == '\n')
        cin.ignore();
    FindPeople(Massiv, n, FirstLetter);

    cout << "You are looking for a payment more than : ";
    int Pay;
    cin >> Pay;
    cin.ignore();
    FindPay(Massiv, n, Pay);

    cout << "Enter date (dd.mm.yy) : ";
    char* date = new char [9];
    cin.getline(date,9);
    TotalPay(Massiv, n, date);
    NoPay(Massiv, n);
    Delete(Massiv, n);
    system("PAUSE");
}