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This is not the problem. Has an empty line between field outputs and doesn't has a blank line at the end.

Please, someone can see what's wrong with my code. It passes in all tests who I've done on UDebug, but the answer is always WA.

#include <iostream>
#include <string>
#include <stdlib.h>
#include <cstring>

using namespace std;

int main()
{
int m,n,field=1;
char checa[10000];
cin>>checa;
m ...