Cod sursa(job #989699)

Utilizator monica11Szekely Monica monica11 Data 26 august 2013 12:24:07
Problema Oras Scor 65
Compilator cpp Status done
Runda Arhiva de probleme Marime 1 kb
#include<fstream>
using namespace std;
ifstream f("oras.in");
ofstream g("oras.out");
int n,i,j,a[201][201],ok=0;
int main()
{
    f>>n;
    if(n==4)
    g<<-1;
    else
    {
        if(n%2)
        {
            for(i=1;i<=n;i++)
            {
                for(j=i+1;j<=n;j++)
                {
                    a[i][j]=1-a[i][j-1];
                    a[j][i]=1-a[i][j];
                }
            }
        }
        else
        {
            a[1][2]=a[1][3]=a[1][5]=1;
            a[2][3]=a[2][4]=a[2][6]=1;
            a[3][4]=a[3][5]=a[3][6]=1;
            a[4][1]=a[4][5]=1;
            a[5][2]=a[5][6]=1;
            a[6][1]=a[6][4]=1;
            for(i=8;i<=n;i+=2)
            a[i-1][i]=1;
            for(j=1;j<i;j++)
            {
                a[j][i-1]=1;
                a[i][j]=1;
            }
        }
        for(i=1;i<=n;i++)
        {
            for(j=1;j<=n;j++)
            g<<a[i][j];
            g<<"\n";
        }
    }
    return 0;
}