UVA - 12187 Brothers (UVALive - 4473, Regionals 2009 >> Latin America)

///     Raihan Ruhin
///     CSE, Jahangirnagar University.
///     Dhaka-Bangladesh.
///     id: raihanruhin (topcoder / codeforces / codechef / uva / uvalive / spoj), 3235 (lightoj)
///     mail: raihanruhin@ (yahoo / gmail / facebook)
///     blog: ruhinraihan.blogspot.com

#include<bits/stdc++.h>
using namespace std;

#define SET(a) memset(a,-1,sizeof(a))
#define CLR(a) memset(a,0,sizeof(a))
#define PI acos(-1.0)

#define MOD 1000000007
#define MX 100010

int n, r, c, org[102][102], tmp[102][102];
int dx[]={0, 0, 1, -1};
int dy[]={1, -1, 0, 0};

void battle()
{
    for(int i=0;i<r;i++)
        for(int j=0;j<c;j++)
            tmp[i][j]=org[i][j];

    for(int i=0;i<r;i++)
        for(int j=0;j<c;j++)
            for(int k=0;k<4;k++)
            {
                int x = i+dx[k];
                int y = j+dy[k];
                if(x<0 || x>=r || y<0 || y>=c) continue;
                if(tmp[i][j] && tmp[x][y]+1==tmp[i][j])
                {
                    org[i][j]=tmp[x][y];
                    break;
                }
                if(!tmp[i][j] && tmp[x][y]==n-1)
                {
                    org[i][j]=n-1;
                    break;
                }
            }
return;
}

int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);
    int tc, kk=1, k;
    string s;
    char ch;
    while(cin>>n>>r>>c>>k && n)
    {
        for(int i=0;i<r;i++)
            for(int j=0;j<c;j++)
                cin>>org[i][j];
        while(k--)  battle();
        for(int i=0;i<r;i++)
        {
            for(int j=0;j<c;j++)
            {
                if(j) cout<<" ";
                cout<<org[i][j];
            }
            cout<<"\n";
        }
    }
return 0;
}