C HALP

#include <stdio.h>
#include <stdlib.h>

struct node{
	int value;
	int count;
	struct node *next;
};

int main(){
	int n = 0;
	int readin;
	int worked;
	struct node readlist;
	struct node refnode;
	worked = scanf("%d", &readin);

	printf("checkpoint 1");
	
	if(!worked){
		fprintf(stderr, "INVALID INPUT VALUE");
		return -1;
	}
	if(worked == EOF){
		return 0;
	}
	readlist.count = 1;
	readlist.value = readin;
	readlist.next  = NULL;
	n = 1;
	//
	//   
	//ERRORS?!?!
	//(next line)	
	//
	worked = scanf("%d", &readin);
	
	while(worked != EOF){
		if(!worked){
			fprintf(stderr, "INVALID INPUT VALUE");
			return -1;
		}
		refnode = readlist;
		printf("reading %d", readin);
		int i;
		int found = 1;
		for (i=0; (i<n) && (refnode.value<readin); i++){
			refnode = *refnode.next;
			if(i<n){
				found = 0;
			}
		}
		if (found ==0){
			
			refnode = readlist;
			for(i=1; i <n ; i++){
				refnode = *refnode.next;
			}
			struct node temp;
			temp.value = readin;
			temp.next = NULL;
			refnode.next = &temp;
			n++;
		}
		else if (refnode.value == readin){
			refnode.count++;
		}
		else{
			struct node temp = refnode;
			refnode = readlist;
			while((*refnode.next).value!=temp.value){
				refnode = *refnode.next;
			}
			struct node temp2;
			temp2.value = readin;
			temp2.next = &temp;
			refnode.next = &temp;
		}
	}
	refnode = readlist;
	while(refnode.next !=NULL){
		printf("%d %d\n", refnode.value, refnode.count);
		refnode = *refnode.next;
	}
	printf("%d %d\n", refnode.value, refnode.count);
	return 0;
}