OJ Board

I think I did waht all you guys post here, trailing spaces, new line etc but why still got PE? Someone help me please.
#include <cstdio>
#include <string>
#include <iostream>
#include <vector>
using namespace std;

int main(){
freopen("input.in","r",stdin);
freopen("output.out","w",stdout ...

Hai guys!
I got TLE for this problem. What's wrong with it? Can somebody help me?

#include <iostream>
#include <cstdio>
#include <list>
#include <vector>
#include <deque>
#include <algorithm>
#include <string>
#include <cctype>
#include <sstream>
#include <cstdlib>
using namespace std;

struct val ...

Thanks, it seems that my flood fill has messed up a little bit besides that I also have fixed the X2<X1 problem. I swap both value if X2<X1 and now I got an AC.

Almost crazy.
I have checked every test case and it seems fine for me. But i still got WA.
What's wrong with my program?
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <vector>
#include <cstring>
using namespace std;

void fillRegion(int x, int y, char R,char C, char a[][250 ...

I have solved the problems, it seems that I've make a few fatal mistake. Thx for the help.

Can someone help me with my program? The judge keep sending me a TLE but I still don't know where is the problem.


#include <iostream>
#include <list>
#include <sstream>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <algorithm>
using namespace std;

int search(list<int> arr ...