Cod sursa(job #885440)

Utilizator lily3Moldovan Liliana lily3 Data 21 februarie 2013 22:59:30
Problema Oras Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.84 kb
#include<fstream>
using namespace std;

int i,j,n,a[201][201],p;
int main()
{
    ifstream f("oras.in");
    ofstream g("oras.out");
    f>>n;
    if(n==4)
    {
        g<<-1<<"\n";
        return 0;
    }
    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-1;++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;
    }
}