Number Of Islands

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

int arr[10][10];
void cek(int b,int k, int i, int j)
{
     if(b<0 || b>=i || k<0 || k>=j || arr[b][k]!=1) return;

        arr[b][k]=2;

        cek(b+1,k,i,j);
        cek(b,k+1,i,j);
        cek(b-1,k,i,j);
        cek(b,k-1,i,j);

}
void total(int i,int j)
{
    if(i ==0) return ;
    int jumlah =0;
    int b,k;
    for(b=0;b<i;b++){
        for(k=0;k<j;k++)
        {
            if(arr[b][k] == 1)
            {
                cek(b,k,i,j);
                jumlah++;
            }

        }
    }
    cout << jumlah << endl;

}
int main()
{
   ios::sync_with_stdio(false);
   cin.tie(NULL);
    int k,l,i=0,j=0,kiri;
    char num;

        memset(arr,0,sizeof(arr[0][0])*10*10);
        while(1)
        {
                num = getchar();
                if(num == '1')
                {arr[i][j++] = 1;

                } else if (num == '0') j++;
                if(num == '\n'){
                i++; kiri = j;
                j=0;
              //  cout << endl << i <<"--"<< kiri<< endl;
                }
               if( num == EOF)
                {
                        i++;
                        break;
                }
        }
        j=kiri;
        total(i,j);
        /*
       cout <<"\n\n" ;
         for(k=0;k<i;k++)
             {
        for(l=0;l<j;l++)
        {
            cout << arr[k][l]<< ' ';
        }
        cout << "\n";
    }
  */
        return 0;

}
/*
1 1 0
1 0 1
0 0 1
*/