Cod sursa(job #2042779)

Utilizator tifui.alexandruTifui Ioan Alexandru tifui.alexandru Data 19 octombrie 2017 08:45:53
Problema Oras Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.97 kb
#include <bits/stdc++.h>
#define Nmax 205
using namespace std;
ifstream f("oras.in");
ofstream g("oras.out");
bool a[Nmax][Nmax];
int main()
{
    int n,i,j;
    f>>n;
    if(n==1) {g<<1; return 0;}
    if(n==2 or n==4) {g<<-1; return 0;}
    if(n%2)
    {
        a[1][2]=a[2][3]=a[3][1]=1;
        for(i=5;i<=n;i+=2)
        {
            a[i][i-1]=1;
            for(j=i-2;j>=1;j--)
            {
                a[i-1][j]=1;
                a[j][i]=1;
            }
        }
    }
    else
    {
        a[1][2]=a[1][6]=a[2][3]=a[2][4]=a[3][1]=a[3][6]=a[4][1]=a[4][3]=a[4][5]=a[5][1]=a[5][2]=a[5][3]=a[6][2]=a[6][4]=a[6][5]=1;
        for(i=8;i<=n;i+=2)
        {
            a[i][i-1]=1;
            for(j=i-2;j>=1;j--)
            {
                a[i-1][j]=1;
                a[j][i]=1;
            }
        }
    }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            g<<a[i][j];
        g<<'\n';
    }

    return 0;
}