I hope everbody help me to explain what wrong with my solution for this problem. My problem is FASTW. I got AC if i used Binary Search Algorithm, but I just got 60 mark when i used Shortest Path + Heap :( What 's wrong with Disktra+Heap ? Here is the link http://www.spoj.com/problems/FASTW/

Hello everybody! I don ' t know how to solve this problem completely. I just got 30 marks :( My Algorithm: Use IT to solve it . But my IT is not powerful. How can i improve it? Please help me!!! This 's problem Your text to link here... Thks for your help! :)