Cod sursa(job #989385)

Utilizator CosminRusuCosmin Rusu CosminRusu Data 25 august 2013 16:08:44
Problema Oras Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.82 kb
#include <fstream>
#include <vector>
#include <bitset>
#include <queue>
#include <algorithm>
#include <utility>
#include <cstring>
#include <string>
#include <stack>
#include <deque>
#include <iomanip>
#include <set>
#include <map>
#include <cassert>
#include <ctime>
#include <list>
#include <iomanip>

using namespace std;

string file = "oras";

ifstream cin( (file + ".in").c_str() );
ofstream cout( (file + ".out").c_str() );

const int MAXN = 205;
const int oo = (1<<31)-1;

typedef vector<int> Graph[MAXN];
typedef vector<int> :: iterator It;

const inline int min(const int &a, const int &b) { if( a > b ) return b;   return a; }
const inline int max(const int &a, const int &b) { if( a < b ) return b;   return a; }
const inline void Get_min(int &a, const int b)    { if( a > b ) a = b; }
const inline void Get_max(int &a, const int b)    { if( a < b ) a = b; }

struct ClassComp {
    inline bool operator () (const int &a, const int &b) const {
        return a > b;
    }
};

bool G[MAXN][MAXN];

inline void BuildGraph(int N) {
    if(N == 3) {
        G[1][2] = G[2][3] = G[3][1] = 1;
        return;
    }
    if(N == 6) {
        G[1][2] = G[1][3] = G[1][4] = 1;
        G[2][3] = G[2][4] = G[2][5] = 1;
        G[3][4] = G[3][6] = 1;
        G[4][5] = G[4][6] = 1;
        G[5][1] = G[5][3] = G[5][6] = 1;
        G[6][1] = G[6][2] = 1;
        return;
    }
    for(int i = 1 ; i <= N - 2; ++ i)
        G[i][N-1] = G[N][i] = 1;
    G[N-1][N] = 1;
    BuildGraph(N-2);
}

int main() {
    int N;
    cin >> N;
    if(N == 4) {
        cout << "-1\n";
        return 0;
    }
    BuildGraph(N);
    for(int i = 1 ; i <= N ; ++ i, cout << '\n')
        for(int j = 1 ; j <= N ; ++ j)
            cout << G[i][j];
    cin.close();
    cout.close();
    return 0;
}