OJ Board

Follow Floyd Warshall (not BFS)

For each case:

• 1. At the end of showing output, print a blank line.

• 2. Print another blank line so that next case can start from here.

i.e. After last case there will be 2 blank lines.

For a case:

• 1. At the end of showing output, print a blank line.

• 2. Print another blank line, so that next case's output can be shown from here.

i.e. At the end there will be 2 blank lines.