prvi

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

int main() {
    int N = 0;
    do {
        cout << "Upisite N: ";
        cin >> N;
    }while(N <= 0 || N >= 20);

    string polje[N];

    int max = 0;
    int pos = 0;

    for(int i = 0; i < N; ++i) {
        cout << "Upisite " << i+1 << ". rijec: ";
        cin >> polje[i];

        if(polje[i].length() > max) {
            max = polje[i].length();
        } else {
            if(polje[i].length() >= polje[pos].length())
                pos = i;
        }
    }

    cout << polje[pos];
}