OJ Board

please i need some help i dont know why i get WA
this is my code:


#include<cstdio>
#include<string>
#define MAX 99999999

int main(){
long L,min,inicio,j;
bool encontreZ;
char *calle;
while(true){
scanf("%li",&L);
fflush(stdin);
if(L==0) break;
calle=new char[MAX];
scanf("%s",calle ...