prosjek

//lucasov
#include <iostream>
#include <cstdlib>
#include <fstream>
#include <ctime>
#include <cmath>
#include <cstring>
using namespace std;

int main(){
    srand(time(0));
    unsigned int start=rand()%(5-1+1)+1;
    unsigned int max=0;
    ofstream prvi("a_1.txt",ios::out);
    int br=0;
    while(max<pow(2,20)){
        max+=rand()%(5-1+1)+1;
        prvi<<max<<"\n";
        br++;
    }
//----------------------------------------------
    prvi.close();
    int b1,b2,zbr=0;
    ifstream PRVI("a_1.txt");
    int br1=0;
    for(int i=0;i<br;i++){
        if(i==0){
            PRVI>>b1;
        }
        PRVI>>b2;
        zbr+=b2-b1;
        b1=b2;
        br1++;
    }
    float avg=zbr/br1;    cout<<avg<<"\n";
//----------------------------------------------
//----------------------------------------------
    ofstream drugi("a_2.txt",ios::out);
    PRVI.clear();
    PRVI.seekg(0);
    int br2=0;
    for(int i=0;i<br;i++){
        if(i==0){
            PRVI>>b1;
            //drugi<<tmp;
        }
        PRVI>>b2;

        if((b2-b1)>avg){
            drugi<<b1<<"\n";
            //drugi<<b2<<"\n";
        }
        b1=b2;
        br2++;
    }
    PRVI.close();
    drugi.close();
//----------------------------------------------
    ifstream DRUGI("a_2.txt");
    zbr=0;
    int br3=0;
    for(int i=0;i<br2;i++){
        if(i==0){
            DRUGI>>b1;
        }
        DRUGI>>b2;
        zbr+=b2-b1;
        b1=b2;
        br3++;
    }
    float avg2=zbr/br3;      cout<<avg2<<"\n";
    DRUGI.clear();
    DRUGI.seekg(0);
//-----------------------------------------------
    ofstream treci("a_3.txt",ios::out);
    br2=0;
    for(int i=0;i<br3;i++){
        if(i==0){
            DRUGI>>b1;
        }
        DRUGI>>b2;
        if((b2-b1)>avg2){
            treci<<b2<<"\n";
        }
        b1=b2;
        br2++;
    }
    DRUGI.close();
    treci.close();
//------------------------------------------------
    ifstream TRECI("a_3.txt");
    zbr=0;
    br=0;
    for(int i=0;i<br2;i++){
        if(i==0){
            TRECI>>b1;
        }
        TRECI>>b2;
        zbr+=b2-b1;
        b1=b2;
        br++;
        }
    TRECI.close();
    float avg3=zbr/br;
    cout<<avg3;
}