asciimat

#include <iostream>
#include <fstream>
#include <cstring>

using namespace std;

ifstream fin("asciimat.in");

int c, k, x, colmx;
char s[3005], *p;
int mat[3005][3005];

int main()
{
    fin >> c;
    fin.get();
    fin.getline(s, 3005);
    fin >> k;

    int linie = 1;
    p = strtok(s, " ");
    while(p){
        if(strlen(p) > colmx)
            colmx = strlen(p);

        int col = 7;
        for(int i = 0 ; i < strlen(p); i++){
            x = p[i];
            int h = 1;
            while(x){
                mat[linie][col-h+1] = x%2;
                h++;
                x /= 2;
            }
            col += 7;
        }

        linie++;

        p = strtok(NULL, " ");
    }
    colmx = colmx*7;

    int l = 0, nr = 0;
    for(int i =1; i < linie; i++)
        for(int j = 1; j <= colmx; j++){
            if(mat[i][j] == 1)
                mat[i][j] += min(mat[i-1][j], min(mat[i-1][j-1],mat[i][j-1]));

            if(mat[i][j] > l)
                l = mat[i][j];

            if(mat[i][j] >= k)
                nr++;

        }

    if(c == 1)
        cout << l;
    else
        cout << nr;


    // for(int i = 1; i < linie; i++){
   //     for(int j = 1; j <= colmx; j++)
   //         cout << mat[i][j] << " ";
   //     cout << "\n";
   // }

    return 0;
}