title: Can the famous multistage graph algorithm for shortest distance be solved in Order of no. of stages?
body: <p>For those who are not sure what multistage graph is:
  <a href="https://www.quora.com/Why-do-we-use-multistage-graph-problems-1" rel="nofollow">https://www.quora.com/Why-do-we-use-multistage-graph-problems-1</a></p>
  
  <p>Please share your algorithm if you can solve it in order of no. of stages.</p>