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Please help me. I have tried many test data and the answers are correct.
but I handed out my program 5 times and got WA 5 times, too.
I don't know where is wrong.

the following are my codes(using C) :
[code]


#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define max 300

int i,j ...