Programming

#include <iostream> 
#include <string.h> 
 
using namespace std; 
 
struct wl 
    { 
    char *word; 
    int count; 
    struct wl * next; 
    }; 
 
int main() 
    { 
    struct wl *start, *p1, *p2, *p3; 
    char tmp[256], *s1;
    int p7; 
    start = NULL; 
    while (1){ 
        cin>>tmp; 
        if (cin.eof()) break; 
        for (p1 = start; p1 != NULL; p1 = p1 -> next) 
        { 
            if (strcmp(tmp,p1->word)==0){ 
                p1->count++; 
                break; 
                }
 
        } 
        if (p1 != NULL) continue; 
        p1 = new struct wl; 
        p1->count=1; 
        s1= new char [strlen(tmp)+1]; 
        strcpy(s1,tmp); 
        p1->word=s1; 
        p1->next=start; 
        start=p1;
             
        } 
 
    for (p1=start; p1 != NULL; p1=p1->next) 
    {
        p7=261;
        if (p1->count >p7)
            {
                cout<<p1->count<<" "<<p1->word<<endl;     
            }    
        
    } 
return 0; 
}