#include <iostream>

using namespace std;

int main()
{
    int n,m;
    cin>>n;
    m=n;
    int x[n][m];
    for(int i = 0;i<n;i++){
        for(int j = 0;j<m;j++){
            cin>>x[i][j];
        }
    }
    bool poseteno[n][m];
    for(int i = 0; i < n; i++) {
      for(int j = 0; j < m; j++) {
        poseteno[i][j] = false;
      }
    }
    int cnt=0;
    for(int i = 0; i < n; i++) {
      for(int j = 0; j < m; j++) {
        bool levo = true;
        for(int k = j - 1; k >= 0; k--) {
          if(x[i][k] >= x[i][j]) {
            levo = false;
          }
        }
        bool desno = true;
        for(int k = j + 1; k < m; k++) {
          if(x[i][k] >= x[i][j]) {
              desno = false;
          }
        }
        bool gore = true;
        for(int k = i - 1; k >= 0; k--) {
          if(x[k][j] >= x[i][j]) {
            gore = false;
          }
        }
        bool dole = true;
        for(int k = i + 1; k < n; k++ ){
          if(x[k][j] >= x[i][j]) {
            dole = false;
          }
        }
        if((levo == true or desno == true or gore == true or dole == true) and x[i][j] != 0) {
          cnt++;
        }
      }
    }

    cout<<cnt<<endl;

    return 0;
}