Enter a map filename: map1.txt

Now trying to open map1.txt
Number of cities: 4

table is
Slice 0:
  0   0   0   0   0 
  0   0   4   2 INF 
  0 INF   0   1 INF 
  0 INF INF   0   8 
  0  16 INF INF   0 

Slice 1:
  0   0   0   0   0 
  0   0   4   2 INF 
  0 INF   0   1 INF 
  0 INF INF   0   8 
  0  16  20  18   0 

Slice 2:
  0   0   0   0   0 
  0   0   4   2 INF 
  0 INF   0   1 INF 
  0 INF INF   0   8 
  0  16  20  18   0 

Slice 3:
  0   0   0   0   0 
  0   0   4   2  10 
  0 INF   0   1   9 
  0 INF INF   0   8 
  0  16  20  18   0 

Slice 4:
  0   0   0   0   0 
  0   0   4   2  10 
  0  25   0   1   9 
  0  24  28   0   8 
  0  16  20  18   0 


Enter 0 to quit.
From what city (from 1 to 4)? 1
  To what city (1-4)? 4
From city # 1
  to city # 4
  the minimum cost of a path is 10

And the path is 
1 > 3 > 4


Enter 0 to quit.
From what city (from 1 to 4)? 2
  To what city (1-4)? 1
From city # 2
  to city # 1
  the minimum cost of a path is 25

And the path is 
2 > 3 > 4 > 1


Enter 0 to quit.
From what city (from 1 to 4)? 3
  To what city (1-4)? 2
From city # 3
  to city # 2
  the minimum cost of a path is 28

And the path is 
3 > 4 > 1 > 2


Enter 0 to quit.
From what city (from 1 to 4)? 0