SII Ex 5 Var 23 (bac 2009)

/**
http://bacinfo.cnlr.ro/subiecte-bac/2009/e_info_intensiv_c_sii_023.pdf
SII Ex 5 Var 23
*/
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("spirala.in");
ofstream fout("spirala.out");
int m,n,a[101][101],b[101][101];
int main()
{
    cin>>m>>n; ///m -linii, n-coloane
    ///prima linie 1 2 3....n
    for(int j=1;j<=n;j++)
    {
        a[1][j]=j;
    }
    ///prima coloana 1 2...m
    for(int i=1;i<=m;i++){
        a[i][1]=i;
    }
    ///generez restul matricei
    for(int i=2;i<=m;i++){
        for(int j=2;j<=n;j++){
            a[i][j]=a[i-1][j]+a[i][j-1];
        }
    }
    for(int i=1;i<=m;i++){
        for(int j=1;j<=n;j++){
            fout<<a[i][j]<<" ";
        }
        fout<<endl;
    }
    fout<<a[m][n]%10;
    return 0;
}