private static int [][]  setZero(int[][] m){
    boolean [] row = new boolean [m.length];
    boolean [] collumn = new boolean[m[0].length];
    
    for (int i = 0; i < m.length; i++) {
      for (int j = 0; j < m[0].length; j++) {
        if (m[i][j] == 0) {
          row[i] = true;
          collumn[j] = true;
        }
      }
    }
    
    for (int i = 0; i < m.length; i++) {
      for (int j = 0; j < m[0].length; j++) {
        if (row[i] || collumn[j]) {
          m[i][j] = 0;
        }
      }
    }
    
    
    
    return m;
  }