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I did that, and got correct results for the sample test cases, but still got WA. Is there some subtle thing that I've missed?
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Update: ok, problem fixed. it's an int overflow mistake (what else is new)...
for whatever reason i stored the locations in an int array, while all other ...

Just wondering... is castling a valid move in this problem?

Still I'm running into problems with input. I even tried this simple code:
[c]
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>

int main ()
{

int row;
int col;

if (scanf ("%d %d", &row, &col)!=2){
return 1;
}
if (row<1 || row>8 || col<1 ||col>8 ){
if (row==20){
assert(0 ...

I keep getting rejected, and the problem seems to be input:
I 've tried
cin>>R>>C;

and

scanf("%d%d", &R,&C);

but I keep getting 20 for R (i found this out using assert()), which doesn't make sense...

did you guys use any special tricks for input? Or is the input just wrong?
any help is ...