plot

// Задания на работу с файлами

#include <iostream>
#include <fstream>
#include <ctime>
#include <cstdlib>
#include <stdio.h>
#include <algorithm>
#include <vector>
using namespace std;
int main() {
    srand(time(0));

    //ЗАДАНИЕ НОМЕР 1

    int i;
    int n[4000];
    fstream mydata;
    mydata.open("mydata.txt",ios::out);
    for (i=0; i<4001; i++) {
        n[i] = 0 + rand() % 50;
        mydata << n[i] << " ";
    }
    mydata.close();

    //ЗАДАНИЕ НОМЕР 2
    int a[i];
    int q;
    int r = 0;
    int e = 0;
    int k = 0;
    int b[3];
    fstream report;
    report.open("report.txt",ios::out);
    mydata.open("mydata.txt",ios::in);
    for (i=0; i<4001; i++) {
        mydata >> a[i];
      if (a[i] > 0)
          r++;
    }
    report << r << endl;

    for (i=0; i<4001; i++) {
        if (a[i] % 3 == 0)
           e++;
       }
    report << e << endl;

    for (i=0; i<4001; i++) {
        b[0] = (a[i] / 1000);
        b[1] = ((a[i] / 100) % 10);
        b[2] = ((a[i] / 10) % 10);
        b[3] = (a[i] % 10);

        if ( (b[0] == b[1]) || (b[0] == b[2]) || (b[0] == b[3]) || (b[1] == b[2]) || (b[1] == b[3]) || (b[2] == b[3]) )
            k++;
    }
    report << k;

    report << k << endl;

    cout << " ЗАДАНИЕ НОМЕР 3" << endl << endl;


    report << k << endl;
    report.close();
    mydata.close();

    int f[50][20];

    fstream matrice;

    matrice.open("matrice.txt",ios::out);
    mydata.open("mydata.txt",ios::in);

    for(int i=0;i<50;i++){
        for(int j=0;j<20;j++){
            mydata >> f[i][j];
        }
    }

    for (int i=0; i<=49; i++) {
        for (int j=0; j<=19; j++) {
            matrice << f[i][j] << " ";
        }
        cout << endl;
    }
    return 0;
}