Cod sursa(job #1265610)

Utilizator diana97Diana Ghinea diana97 Data 17 noiembrie 2014 15:03:41
Problema Oras Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.03 kb
#include <iostream>
#include <fstream>

using namespace std;

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

const int NMAX = 200 + 1;

int n;
int A[NMAX][NMAX];

void initializeaza(int x) {
    if (x == 3) {
        A[1][2] = 1;
        A[2][3] = 1;
        A[3][1] = 1;
        return;
    }
    A[1][5] = A[1][6] = 1;
    A[2][1] = A[2][4] = 1;
    A[3][1] = A[3][2] = A[3][6] = 1;
    A[4][1] = A[4][3] = 1;
    A[5][2] = A[5][3] = A[5][4] = 1;
    A[6][2] = A[6][4] = A[6][5] = 1;
}

void scrie(int x) {
    if (!x) {
        g << "-1\n";
        return;
    }
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) g << A[i][j];
        g << '\n';
    }
}

void rezolva() {
    int i;
    if (n == 4) {
        scrie(0);
        return;
    }
    if (n % 2 == 1) i = 3;
    else i = 6;
    initializeaza(i);

    for (; i + 2 <= n; i += 2) {
        A[i + 1][i + 2] = 1;
        for (int j = 1; j <= i; j++)
            A[j][i + 1] = A[i + 2][j] = 1;
    }
    scrie(1);
}

int main() {
    f >> n;
    rezolva();
    return 0;
}