cetvrti

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

int main() {
    int N;
    do {
        cout << "Upisite N: ";
        cin >> N;
    }while(N <= 0);

    double polje[N][2];

    double d = 1000000; //udaljenost
    double pom = 0;

    double* tock1;
    double* tock2;

    /*
    int tock1;
    int tock2;

    */
    for(int i = 0; i < N; ++i) {
        cout << i+1 << " tocka, " << " x: ";
        cin >> polje[i][0];
        cout << i+1 << " tocka, " << " y: ";
        cin >> polje[i][1];
    }

    for(int i = 0; i < N-1; ++i) {
        for(int j = i+1; j < N; ++j) {
            pom = sqrt(pow(polje[j][0] - polje[i][0], 2) + pow(polje[j][1] - polje[i][1], 2));
            if(pom < d) {
                d = pom;
                tock1 = polje[i];
                tock2 = polje[j];
                /*
                int tock1 = i;
                int tock2 = j;
                */
            }
        }
    }
    cout << "Tocka 1: " << "\nx: " << tock1[0] << "\ny: " << tock1[1] << endl;
    cout << "Tocka 2: " << "\nx: " << tock2[0] << "\ny: " << tock2[1] << endl;
    cout << "Udaljenost: " << d;

    /*
    cout << "Tocka 1: " << "\nx: " << polje[tocka1][0] << "\ny: " << polje[tocka1][1] << endl;
    cout << "Tocka 2: " << "\nx: " << polje[tocka2][0] << "\ny: " << polje[tocka2][1] << endl;
    cout << "Udaljenost: " << d;
    +/
}