Cod sursa(job #1308431)

Utilizator ovidiuz98Zamfir Ovidiu ovidiuz98 Data 4 ianuarie 2015 01:36:11
Problema Oras Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.94 kb
#include <fstream>
#include <cstring>
#define NMAX 205

using namespace std;

ifstream fin("oras.in");
ofstream fout("oras.out");
int N;
char s[NMAX][NMAX];
void solve(int X){
    if(X==3){
        strcpy(s[1]+1,"010");
        strcpy(s[2]+1,"001");
        strcpy(s[3]+1,"100");
        return ;
    }
    if(X==6){
        strcpy(s[1]+1,"010101");
        strcpy(s[2]+1,"001011");
        strcpy(s[3]+1,"100010");
        strcpy(s[4]+1,"011010");
        strcpy(s[5]+1,"100001");
        strcpy(s[6]+1,"001100");
        return;
    }
    solve(X-2);

    for(int i=1;i<=X-2;i++){
        s[i][X-1]='1';
        s[X][i]='1';
    }
    s[X-1][X]='1';
}
int main(){
    memset(s,'0',sizeof(s));
    fin>>N;
    if(N==4){
        fout<<"-1";
        fin.close();fout.close();
        return 0;
    }
    solve(N);
    for(int i=1;i<=N;i++)
        fout<<s[i]+1<<"\n";
    fin.close();fout.close();
    return 0;
}