/
map.h
40 lines (31 loc) · 841 Bytes
/
map.h
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//Structure Declaration
#define MAX_SIZE 10000
//Uses Chaining for collision
typedef linkedList hashMap;
//Function prototype
hashMap* create_map();
int hash_function(int);
int get_item(hashMap*,int);
void add_item(hashMap*,int,int);
void remove_item(hashMap*,int);
//Function definitions
int hash_function(int key){
return abs(key%MAX_SIZE);
}
hashMap* create_map(){
hashMap* map = (hashMap*)malloc(MAX_SIZE*sizeof(linkedList));
return map;
}
void add_item(hashMap* map,int key,int value){
int index = hash_function(key);
append_map(&map[index],key,value);
}
int get_item(hashMap* map,int key){
int index = hash_function(key);
int item = get_from_key(&map[index],key);
return item;
}
void remove_item(hashMap* map,int key){
int index = hash_function(key);
delete_from_key(&map[index],key);
}