message: Update maximum-students-taking-exam.cpp
diff: @@ -57,9 +57,9 @@ int BipGraph::hopcroftKarp()
  dist = new int[m+1];
  // Initialize NIL as pair of all vertices
  - for (int u=0; u<m; u++)
  + for (int u=0; u<=m; u++)
  pairU[u] = NIL;
  - for (int v=0; v<n; v++)
  + for (int v=0; v<=n; v++)
  pairV[v] = NIL;
  // Initialize result
  