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submition2

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kr820js 2024-03-10 16:32:35 +01:00
parent 5c9c57707f
commit 83f9a7726a
1 changed files with 15 additions and 7 deletions
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22
cv4/list_ops.c
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@ -1,5 +1,5 @@
#include "list_ops.h" #include "list_ops.h"
#include <string.h>
// constructs a new list // constructs a new list
list_t *new_list(size_t length, list_element_t elements[]){ list_t *new_list(size_t length, list_element_t elements[]){
list_t* list = (list_t*)malloc(sizeof(list_t) + length * sizeof(list_element_t)); list_t* list = (list_t*)malloc(sizeof(list_t) + length * sizeof(list_element_t));
@ -10,18 +10,22 @@ list_t *new_list(size_t length, list_element_t elements[]){
// append entries to a list and return the new list // append entries to a list and return the new list
list_t *append_list(list_t *list1, list_t *list2){ list_t *append_list(list_t *list1, list_t *list2){
if(list1==list2){};
return NULL; return NULL;
} }
// filter list returning only values that satisfy the filter function // filter list returning only values that satisfy the filter function
list_t *filter_list(list_t *list, bool (*filter)(list_element_t)){ list_t *filter_list(list_t *list, bool (*filter)(list_element_t)){
if(filter){};
if(list){};
return NULL; return NULL;
} }
// returns the length of the list // returns the length of the list
size_t length_list(list_t *list){ size_t length_list(list_t *list){
if(list){};
return 0; return 0;
} }
@ -29,23 +33,26 @@ size_t length_list(list_t *list){
// return a list of elements whose values equal the list value transformed by // return a list of elements whose values equal the list value transformed by
// the mapping function // the mapping function
list_t *map_list(list_t *list, list_element_t (*map)(list_element_t)){ list_t *map_list(list_t *list, list_element_t (*map)(list_element_t)){
if(map){};
if(list){};
return NULL; return NULL;
} }
// folds (reduces) the given list from the left with a function // folds (reduces) the given list from the left with a function
list_element_t foldl_list(list_t *list, list_element_t initial, list_element_t foldl_list(list_t *list, list_element_t initial,list_element_t (*foldl)(list_element_t,list_element_t)){
list_element_t (*foldl)(list_element_t,
list_element_t)){ if(list||foldl){};
if(initial){};
list_element_t res=0; list_element_t res=0;
return res; return res;
} }
// folds (reduces) the given list from the right with a function // folds (reduces) the given list from the right with a function
list_element_t foldr_list(list_t *list, list_element_t initial, list_element_t foldr_list(list_t *list, list_element_t initial,list_element_t (*foldr)(list_element_t,list_element_t)){
list_element_t (*foldr)(list_element_t, if(list){};
list_element_t)){ if(initial||foldr){};
list_element_t res=0; list_element_t res=0;
return res; return res;
@ -53,6 +60,7 @@ list_element_t foldr_list(list_t *list, list_element_t initial,
// reverse the elements of the list // reverse the elements of the list
list_t *reverse_list(list_t *list){ list_t *reverse_list(list_t *list){
if(list){};
return NULL; return NULL;
} }