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thanks for helping.
i read the problem over, but dont see anything wrong w/ the output for my second test case..

i have something very similiar and i did update the len for all successors but still WA

this s a dynamic progrmming problem
basicallly i have 2 loops one contain another, iterate through all data,
when i goes before j, i set parent[j]=i, and update length of all children of j (maybe predecessor and successor is more appropiate)
but i got WA. plz help.

[cpp]
#include <iostream.h ...