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i got several WA in the prob 531...donno why..
what should i do when there isn't any lcs???
and what to do abt the blank test cases?
here's my code:

#include <stdio.h>
#include <string.h>
//#include <conio.h>

typedef struct {
char word[40];

}WType;

WType text1[1000];
WType text2[1000 ...