计蒜客第一场A

#include <cstdio>
#include <iostream>
#include <cstring>
using namespace std;
char str[10000008];

int main(){
char c ;
int status = 0;
strcpy(str,"0k");
int flag = 0;
int s = 0;
int len = 2;

while((c = getchar())!= '\n'){
if((status == 0 ||status == 1) && c == '0'){
status = 1;
}
else if(status == 1 && c == 'k'){
status = 2;
s = 1;
}
else if(status == 2 && ((c <= '9' &&c >='0') || (c <= 'E' && c >= 'A'))){
if(s==1 && c == '0'){
s = 2;
}
else{
s = 0;
}
str[len++] = c;
if(s == 2){
str[len] = 0;
printf("%s\n",str);
flag = 0;
status = 0;
strcpy(str,"0k");
len  = 2;
continue;
}

flag = 1;

}else if(status == 2 && !((c <= '9' &&c >='0') || (c <= 'E' && c >= 'A'))){
if(flag == 1)
{
str[len] = 0;
printf("%s\n",str);
}
strcpy(str,"0k");
len = 2;
status = 0;
flag = 0;
}
else if(status == 1 &&c != 'k' ){
status = 0;
}
}
if(flag == 1){
str[len] = 0;
printf("%s\n",str);
}
return 0;
}