Cod sursa(job #767587)

Utilizator vendettaSalajan Razvan vendetta Data 13 iulie 2012 21:57:06
Problema Oras Scor 55
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.7 kb
#include <iostream>
#include <fstream>

using namespace std;

#define nmax 205

ifstream f("oras.in");
ofstream g("oras.out");

int n, a[nmax][nmax];

int main(){

    f >> n;
    a[1][2] = 1;
    a[2][3] = 1;
    a[3][1] = 1;
    if (n == 4){
        g << -1 << "\n";
        return 0;
    }

    for(int i=4; i<=n; i++){
        if (i % 2 == 0){
            for(int j=1; j<i; j++){
                a[j][i] = 1;
            }
        }else{
            for(int j=1; j<=i-2; j++){
                a[i][j] = 1;
            }
            a[i-1][i] = 1;
        }
    }

    for(int i=1; i<=n; i++){
        for(int j=1; j<=n; j++) g << a[i][j];
        g << "\n";
    }

}