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THANKS Adrian kuegel. i got all those inputs and their solutions from your webpage.thanks a lot. I found few bugs in my code ,and trying to remove them.

I tried so hard to solve this problem.but i am getting WA continuosly.so can any one give me some critical sample Input and Output for this problem (453 (!))?please send some critical inputs for 453.

Thanks to yarin cause i could realize my mistake with my calculation from the sample I/O given by u.And i got this problem accepted at last :D .

but i am so astonished to see that my output doesn't match with yours completely.it differs in the 9th and10th points after the decimal.


suppose for the ...

i also got TLE at first. My problem was that,i didn't check if the array index is negative or not.suppose when u r at the right most corner of the path , u can not check the postion to the further right.
or if u r at the left most position u can not check the further left character.
then the array ...

can any one help me about the problem 714. i got WA :( . i am not even sure if i understood the problem.but it satisfies all the sample inputs.
so to make it clear to u i also sent my code here.

[cpp]
/* @JUDGE_ID: 26419ZE 714 C++ "" */
#include<stdio.h>

void main()
{
unsigned long test ...