diff options
Diffstat (limited to 'misc/examples/sortedmaps')
| -rw-r--r-- | misc/examples/sortedmaps/csmap_erase.c | 82 | ||||
| -rw-r--r-- | misc/examples/sortedmaps/csmap_find.c | 73 | ||||
| -rw-r--r-- | misc/examples/sortedmaps/csmap_insert.c | 107 | ||||
| -rw-r--r-- | misc/examples/sortedmaps/csset_erase.c | 41 | ||||
| -rw-r--r-- | misc/examples/sortedmaps/gauss2.c | 45 | ||||
| -rw-r--r-- | misc/examples/sortedmaps/listmap.c | 65 | ||||
| -rw-r--r-- | misc/examples/sortedmaps/mapmap.c | 64 | ||||
| -rw-r--r-- | misc/examples/sortedmaps/multimap.c | 103 | ||||
| -rw-r--r-- | misc/examples/sortedmaps/new_smap.c | 67 | ||||
| -rw-r--r-- | misc/examples/sortedmaps/sorted_map.c | 67 |
10 files changed, 714 insertions, 0 deletions
diff --git a/misc/examples/sortedmaps/csmap_erase.c b/misc/examples/sortedmaps/csmap_erase.c new file mode 100644 index 00000000..8d4eeae3 --- /dev/null +++ b/misc/examples/sortedmaps/csmap_erase.c @@ -0,0 +1,82 @@ +// map_erase.c +// From C++ example: https://docs.microsoft.com/en-us/cpp/standard-library/map-class?view=msvc-160#example-16 +#define i_implement +#include <stc/cstr.h> +#include <stdio.h> + +#define i_key int +#define i_val_str +#define i_type mymap +#include <stc/csmap.h> + +void printmap(mymap m) +{ + c_foreach (elem, mymap, m) + printf(" [%d, %s]", elem.ref->first, cstr_str(&elem.ref->second)); + printf("\nsize() == %" c_ZI "\n\n", mymap_size(&m)); +} + +int main(void) +{ + mymap m1 = {0}; + + // Fill in some data to test with, one at a time + mymap_insert(&m1, 1, cstr_lit("A")); + mymap_insert(&m1, 2, cstr_lit("B")); + mymap_insert(&m1, 3, cstr_lit("C")); + mymap_insert(&m1, 4, cstr_lit("D")); + mymap_insert(&m1, 5, cstr_lit("E")); + + puts("Starting data of map m1 is:"); + printmap(m1); + // The 1st member function removes an element at a given position + mymap_erase_at(&m1, mymap_advance(mymap_begin(&m1), 1)); + puts("After the 2nd element is deleted, the map m1 is:"); + printmap(m1); + + // Fill in some data to test with + mymap m2 = c_init(mymap, { + {10, "Bob"}, + {11, "Rob"}, + {12, "Robert"}, + {13, "Bert"}, + {14, "Bobby"}, + }); + + puts("Starting data of map m2 is:"); + printmap(m2); + mymap_iter it1 = mymap_advance(mymap_begin(&m2), 1); + mymap_iter it2 = mymap_find(&m2, mymap_back(&m2)->first); + + puts("to remove:"); + c_foreach (i, mymap, it1, it2) + printf(" [%d, %s]", i.ref->first, cstr_str(&i.ref->second)); + puts(""); + // The 2nd member function removes elements + // in the range [First, Last) + mymap_erase_range(&m2, it1, it2); + puts("After the middle elements are deleted, the map m2 is:"); + printmap(m2); + + mymap m3 = {0}; + + // Fill in some data to test with, one at a time, using emplace + mymap_emplace(&m3, 1, "red"); + mymap_emplace(&m3, 2, "yellow"); + mymap_emplace(&m3, 3, "blue"); + mymap_emplace(&m3, 4, "green"); + mymap_emplace(&m3, 5, "orange"); + mymap_emplace(&m3, 6, "purple"); + mymap_emplace(&m3, 7, "pink"); + + puts("Starting data of map m3 is:"); + printmap(m3); + // The 3rd member function removes elements with a given Key + int count = mymap_erase(&m3, 2); + // The 3rd member function also returns the number of elements removed + printf("The number of elements removed from m3 is: %d\n", count); + puts("After the element with a key of 2 is deleted, the map m3 is:"); + printmap(m3); + + c_drop(mymap, &m1, &m2, &m3); +} diff --git a/misc/examples/sortedmaps/csmap_find.c b/misc/examples/sortedmaps/csmap_find.c new file mode 100644 index 00000000..c392338d --- /dev/null +++ b/misc/examples/sortedmaps/csmap_find.c @@ -0,0 +1,73 @@ +// This implements the c++ std::map::find example at: +// https://docs.microsoft.com/en-us/cpp/standard-library/map-class?view=msvc-160#example-17 +#define i_implement +#include <stc/cstr.h> + +#define i_key int +#define i_val_str +#define i_tag istr +#include <stc/csmap.h> + +#define i_key csmap_istr_raw +#define i_tag istr +#include <stc/cvec.h> + +void print_elem(csmap_istr_raw p) { + printf("(%d, %s) ", p.first, p.second); +} + +#define using_print_collection(CX) \ + void print_collection_##CX(const CX* t) { \ + printf("%" c_ZI " elements: ", CX##_size(t)); \ + \ + c_foreach (p, CX, *t) { \ + print_elem(CX##_value_toraw(p.ref)); \ + } \ + puts(""); \ + } + +using_print_collection(csmap_istr) +using_print_collection(cvec_istr) + +void findit(csmap_istr c, csmap_istr_key val) +{ + printf("Trying find() on value %d\n", val); + csmap_istr_iter result = csmap_istr_find(&c, val); // prefer contains() or get() + if (result.ref) { + printf("Element found: "); print_elem(csmap_istr_value_toraw(result.ref)); puts(""); + } else { + puts("Element not found."); + } +} + +int main(void) +{ + csmap_istr m1 = c_init(csmap_istr, {{40, "Zr"}, {45, "Rh"}}); + cvec_istr v = {0}; + + puts("The starting map m1 is (key, value):"); + print_collection_csmap_istr(&m1); + + typedef cvec_istr_value pair; + cvec_istr_push(&v, c_LITERAL(pair){43, "Tc"}); + cvec_istr_push(&v, c_LITERAL(pair){41, "Nb"}); + cvec_istr_push(&v, c_LITERAL(pair){46, "Pd"}); + cvec_istr_push(&v, c_LITERAL(pair){42, "Mo"}); + cvec_istr_push(&v, c_LITERAL(pair){44, "Ru"}); + cvec_istr_push(&v, c_LITERAL(pair){44, "Ru"}); // attempt a duplicate + + puts("Inserting the following vector data into m1:"); + print_collection_cvec_istr(&v); + + c_foreach (i, cvec_istr, cvec_istr_begin(&v), cvec_istr_end(&v)) + csmap_istr_emplace(&m1, i.ref->first, i.ref->second); + + puts("The modified map m1 is (key, value):"); + print_collection_csmap_istr(&m1); + puts(""); + findit(m1, 45); + findit(m1, 6); + + csmap_istr_drop(&m1); + cvec_istr_drop(&v); +} diff --git a/misc/examples/sortedmaps/csmap_insert.c b/misc/examples/sortedmaps/csmap_insert.c new file mode 100644 index 00000000..04b8ddc6 --- /dev/null +++ b/misc/examples/sortedmaps/csmap_insert.c @@ -0,0 +1,107 @@ +// This implements the std::map insert c++ example at: +// https://docs.microsoft.com/en-us/cpp/standard-library/map-class?view=msvc-160#example-19 +#define i_key int +#define i_val int +#define i_tag ii // Map of int => int +#include <stc/csmap.h> + +#define i_implement +#include <stc/cstr.h> +#define i_key int +#define i_val_str +#define i_tag istr // Map of int => cstr +#include <stc/csmap.h> + +#define i_key csmap_ii_raw +#define i_tag ii +#include <stc/cvec.h> + +void print_ii(csmap_ii map) { + c_foreach (e, csmap_ii, map) + printf("(%d, %d) ", e.ref->first, e.ref->second); + puts(""); +} + +void print_istr(csmap_istr map) { + c_foreach (e, csmap_istr, map) + printf("(%d, %s) ", e.ref->first, cstr_str(&e.ref->second)); + puts(""); +} + +int main(void) +{ + // insert single values + csmap_ii m1 = {0}; + csmap_ii_insert(&m1, 1, 10); + csmap_ii_push(&m1, c_LITERAL(csmap_ii_value){2, 20}); + + puts("The original key and mapped values of m1 are:"); + print_ii(m1); + + // intentionally attempt a duplicate, single element + csmap_ii_result ret = csmap_ii_insert(&m1, 1, 111); + if (!ret.inserted) { + csmap_ii_value pr = *ret.ref; + puts("Insert failed, element with key value 1 already exists."); + printf(" The existing element is (%d, %d)\n", pr.first, pr.second); + } + else { + puts("The modified key and mapped values of m1 are:"); + print_ii(m1); + } + puts(""); + + csmap_ii_insert(&m1, 3, 30); + puts("The modified key and mapped values of m1 are:"); + print_ii(m1); + puts(""); + + // The templatized version inserting a jumbled range + csmap_ii m2 = {0}; + cvec_ii v = {0}; + typedef cvec_ii_value ipair; + cvec_ii_push(&v, c_LITERAL(ipair){43, 294}); + cvec_ii_push(&v, c_LITERAL(ipair){41, 262}); + cvec_ii_push(&v, c_LITERAL(ipair){45, 330}); + cvec_ii_push(&v, c_LITERAL(ipair){42, 277}); + cvec_ii_push(&v, c_LITERAL(ipair){44, 311}); + + puts("Inserting the following vector data into m2:"); + c_foreach (e, cvec_ii, v) + printf("(%d, %d) ", e.ref->first, e.ref->second); + puts(""); + + c_foreach (e, cvec_ii, v) + csmap_ii_insert_or_assign(&m2, e.ref->first, e.ref->second); + + puts("The modified key and mapped values of m2 are:"); + c_foreach (e, csmap_ii, m2) + printf("(%d, %d) ", e.ref->first, e.ref->second); + puts("\n"); + + // The templatized versions move-constructing elements + csmap_istr m3 = {0}; + csmap_istr_value ip1 = {475, cstr_lit("blue")}, ip2 = {510, cstr_lit("green")}; + + // single element + csmap_istr_insert(&m3, ip1.first, cstr_move(&ip1.second)); + puts("After the first move insertion, m3 contains:"); + print_istr(m3); + + // single element + csmap_istr_insert(&m3, ip2.first, cstr_move(&ip2.second)); + puts("After the second move insertion, m3 contains:"); + print_istr(m3); + puts(""); + + csmap_ii m4 = {0}; + // Insert the elements from an initializer_list + m4 = c_init(csmap_ii, {{4, 44}, {2, 22}, {3, 33}, {1, 11}, {5, 55}}); + puts("After initializer_list insertion, m4 contains:"); + print_ii(m4); + puts(""); + + cvec_ii_drop(&v); + csmap_istr_drop(&m3); + c_drop(csmap_ii, &m1, &m2, &m4); +} diff --git a/misc/examples/sortedmaps/csset_erase.c b/misc/examples/sortedmaps/csset_erase.c new file mode 100644 index 00000000..9c7f5e1a --- /dev/null +++ b/misc/examples/sortedmaps/csset_erase.c @@ -0,0 +1,41 @@ +#include <stdio.h> + +#define i_key int +#include <stc/csset.h> + +int main(void) +{ + csset_int set = c_init(csset_int, {30, 20, 80, 40, 60, 90, 10, 70, 50}); + + c_foreach (k, csset_int, set) + printf(" %d", *k.ref); + puts(""); + + int val = 64; + csset_int_iter it; + printf("Show values >= %d:\n", val); + it = csset_int_lower_bound(&set, val); + + c_foreach (k, csset_int, it, csset_int_end(&set)) + printf(" %d", *k.ref); + puts(""); + + printf("Erase values >= %d:\n", val); + while (it.ref) + it = csset_int_erase_at(&set, it); + + c_foreach (k, csset_int, set) + printf(" %d", *k.ref); + puts(""); + + val = 40; + printf("Erase values < %d:\n", val); + it = csset_int_lower_bound(&set, val); + csset_int_erase_range(&set, csset_int_begin(&set), it); + + c_foreach (k, csset_int, set) + printf(" %d", *k.ref); + puts(""); + + csset_int_drop(&set); +} diff --git a/misc/examples/sortedmaps/gauss2.c b/misc/examples/sortedmaps/gauss2.c new file mode 100644 index 00000000..02ce4bc5 --- /dev/null +++ b/misc/examples/sortedmaps/gauss2.c @@ -0,0 +1,45 @@ +#include <stdio.h> +#include <time.h> + +#define i_implement +#include <stc/cstr.h> +#include <stc/crand.h> + +// Declare int -> int sorted map. +#define i_key int +#define i_val int +#include <stc/csmap.h> + +int main(void) +{ + enum {N = 5000000}; + uint64_t seed = (uint64_t)time(NULL); + crand_t rng = crand_init(seed); + const double Mean = round(crand_f64(&rng)*98.0 - 49.0), StdDev = crand_f64(&rng)*10.0 + 1.0, Scale = 74.0; + + printf("Demo of gaussian / normal distribution of %d random samples\n", N); + printf("Mean %f, StdDev %f\n", Mean, StdDev); + + // Setup random engine with normal distribution. + crand_normal_t dist = crand_normal_init(Mean, StdDev); + + // Create and init histogram map with defered destruct + csmap_int hist = {0}; + cstr bar = {0}; + + c_forrange (N) { + int index = (int)round(crand_normal(&rng, &dist)); + csmap_int_insert(&hist, index, 0).ref->second += 1; + } + + // Print the gaussian bar chart + c_forpair (index, count, csmap_int, hist) { + int n = (int)round((double)*_.count * StdDev * Scale * 2.5 / (double)N); + if (n > 0) { + cstr_resize(&bar, n, '*'); + printf("%4d %s\n", *_.index, cstr_str(&bar)); + } + } + cstr_drop(&bar); + csmap_int_drop(&hist); +} diff --git a/misc/examples/sortedmaps/listmap.c b/misc/examples/sortedmaps/listmap.c new file mode 100644 index 00000000..04a605a7 --- /dev/null +++ b/misc/examples/sortedmaps/listmap.c @@ -0,0 +1,65 @@ +// This implements the multimap c++ example found at: +// https://en.cppreference.com/w/cpp/container/multimap/insert + +// Multimap entries +#define i_implement +#include <stc/cstr.h> +#define i_key_str +#include <stc/clist.h> + +// Map of int => clist_str. +#define i_type Multimap +#define i_key int +#define i_valclass clist_str // set i_val = clist_str, bind clist_str_clone and clist_str_drop +#define i_cmp -c_default_cmp // like std::greater<int> +#include <stc/csmap.h> + +void print(const char* lbl, const Multimap mmap) +{ + printf("%s ", lbl); + c_foreach (e, Multimap, mmap) { + c_foreach (s, clist_str, e.ref->second) + printf("{%d,%s} ", e.ref->first, cstr_str(s.ref)); + } + puts(""); +} + +void insert(Multimap* mmap, int key, const char* str) +{ + clist_str *list = &Multimap_insert(mmap, key, clist_str_init()).ref->second; + clist_str_emplace_back(list, str); +} + +int main(void) +{ + Multimap mmap = {0}; + + // list-initialize + typedef struct {int a; const char* b;} pair; + c_forlist (i, pair, {{2, "foo"}, {2, "bar"}, {3, "baz"}, {1, "abc"}, {5, "def"}}) + insert(&mmap, i.ref->a, i.ref->b); + print("#1", mmap); + + // insert using value_type + insert(&mmap, 5, "pqr"); + print("#2", mmap); + + // insert using make_pair + insert(&mmap, 6, "uvw"); + print("#3", mmap); + + insert(&mmap, 7, "xyz"); + print("#4", mmap); + + // insert using initialization_list + c_forlist (i, pair, {{5, "one"}, {5, "two"}}) + insert(&mmap, i.ref->a, i.ref->b); + print("#5", mmap); + + // FOLLOWING NOT IN ORIGINAL EXAMPLE: + // erase all entries with key 5 + Multimap_erase(&mmap, 5); + print("+5", mmap); + + Multimap_drop(&mmap); +} diff --git a/misc/examples/sortedmaps/mapmap.c b/misc/examples/sortedmaps/mapmap.c new file mode 100644 index 00000000..d3065659 --- /dev/null +++ b/misc/examples/sortedmaps/mapmap.c @@ -0,0 +1,64 @@ +// create a structure like: std::map<std::string, std::map<std::string, std::string>>: +#define i_implement +#include <stc/cstr.h> + +// People: std::map<std::string, std::string> +#define i_type People +#define i_key_str // name +#define i_val_str // email +#define i_keydrop(p) (printf("kdrop: %s\n", cstr_str(p)), cstr_drop(p)) // override +#include <stc/cmap.h> + +// Departments: std::map<std::string, People> +#define i_type Departments +#define i_key_str // dep. name +#define i_valclass People +#include <stc/cmap.h> + + +void add(Departments* deps, const char* name, const char* email, const char* dep) +{ + People *people = &Departments_emplace(deps, dep, People_init()).ref->second; + People_emplace_or_assign(people, name, email); +} + +int contains(Departments* map, const char* name) +{ + int count = 0; + c_foreach (i, Departments, *map) + if (People_contains(&i.ref->second, name)) + ++count; + return count; +} + +int main(void) +{ + Departments map = {0}; + + add(&map, "Anna Kendro", "[email protected]", "Support"); + add(&map, "Terry Dane", "[email protected]", "Development"); + add(&map, "Kik Winston", "[email protected]", "Finance"); + add(&map, "Nancy Drew", "[email protected]", "Development"); + add(&map, "Nick Denton", "[email protected]", "Finance"); + add(&map, "Stan Whiteword", "[email protected]", "Marketing"); + add(&map, "Serena Bath", "[email protected]", "Support"); + add(&map, "Patrick Dust", "[email protected]", "Finance"); + add(&map, "Red Winger", "[email protected]", "Marketing"); + add(&map, "Nick Denton", "[email protected]", "Support"); + add(&map, "Colin Turth", "[email protected]", "Support"); + add(&map, "Dennis Kay", "[email protected]", "Marketing"); + add(&map, "Anne Dickens", "[email protected]", "Development"); + + c_foreach (i, Departments, map) + c_forpair (name, email, People, i.ref->second) + printf("%s: %s - %s\n", cstr_str(&i.ref->first), cstr_str(_.name), cstr_str(_.email)); + puts(""); + + printf("found Nick Denton: %d\n", contains(&map, "Nick Denton")); + printf("found Patrick Dust: %d\n", contains(&map, "Patrick Dust")); + printf("found Dennis Kay: %d\n", contains(&map, "Dennis Kay")); + printf("found Serena Bath: %d\n", contains(&map, "Serena Bath")); + puts("Done"); + + Departments_drop(&map); +} diff --git a/misc/examples/sortedmaps/multimap.c b/misc/examples/sortedmaps/multimap.c new file mode 100644 index 00000000..a4490f91 --- /dev/null +++ b/misc/examples/sortedmaps/multimap.c @@ -0,0 +1,103 @@ +#define i_implement +#include <stc/cstr.h> + +// Olympics multimap example + +struct OlympicsData { int year; const char *city, *country, *date; } ol_data[] = { + {2026, "Milan and Cortina d'Ampezzo", "Italy", "February 6-22"}, + {2022, "Beijing", "China", "February 4-20"}, + {2018, "PyeongChang", "South Korea", "February 9-25"}, + {2014, "Sochi", "Russia", "February 7-23"}, + {2010, "Vancouver", "Canada", "February 12-28"}, + {2006, "Torino", "Italy", "February 10-26"}, + {2002, "Salt Lake City", "United States", "February 8-24"}, + {1998, "Nagano", "Japan", "February 7-22"}, + {1994, "Lillehammer", "Norway", "February 12-27"}, + {1992, "Albertville", "France", "February 8-23"}, + {1988, "Calgary", "Canada", "February 13-28"}, + {1984, "Sarajevo", "Yugoslavia", "February 8-19"}, + {1980, "Lake Placid", "United States", "February 13-24"}, + {1976, "Innsbruck", "Austria", "February 4-15"}, + {1972, "Sapporo", "Japan", "February 3-13"}, + {1968, "Grenoble", "France", "February 6-18"}, + {1964, "Innsbruck", "Austria", "January 29-February 9"}, + {1960, "Squaw Valley", "United States", "February 18-28"}, + {1956, "Cortina d'Ampezzo", "Italy", "January 26 - February 5"}, + {1952, "Oslo", "Norway", "February 14 - 25"}, + {1948, "St. Moritz", "Switzerland", "January 30 - February 8"}, + {1944, "canceled", "canceled", "canceled"}, + {1940, "canceled", "canceled", "canceled"}, + {1936, "Garmisch-Partenkirchen", "Germany", "February 6 - 16"}, + {1932, "Lake Placid", "United States", "February 4 - 15"}, + {1928, "St. Moritz", "Switzerland", "February 11 - 19"}, + {1924, "Chamonix", "France", "January 25 - February 5"}, +}; + +typedef struct { int year; cstr city, date; } OlympicLoc; + +int OlympicLoc_cmp(const OlympicLoc* a, const OlympicLoc* b); +OlympicLoc OlympicLoc_clone(OlympicLoc loc); +void OlympicLoc_drop(OlympicLoc* self); + +// Create a clist<OlympicLoc>, can be sorted by year. +#define i_keyclass OlympicLoc // binds _cmp, _clone and _drop. +#define i_use_cmp +#define i_tag OL +#include <stc/clist.h> + +// Create a csmap<cstr, clist_OL> where key is country name +#define i_key_str // binds cstr_equ, cstr_hash, cstr_clone, ++ +#define i_valclass clist_OL // binds clist_OL_clone, clist_OL_drop +#define i_tag OL +#include <stc/csmap.h> + +int OlympicLoc_cmp(const OlympicLoc* a, const OlympicLoc* b) { + return a->year - b->year; +} + +OlympicLoc OlympicLoc_clone(OlympicLoc loc) { + loc.city = cstr_clone(loc.city); + loc.date = cstr_clone(loc.date); + return loc; +} + +void OlympicLoc_drop(OlympicLoc* self) { + cstr_drop(&self->city); + cstr_drop(&self->date); +} + + +int main(void) +{ + // Define the multimap with destructor defered to when block is completed. + csmap_OL multimap = {0}; + const clist_OL empty = clist_OL_init(); + + for (size_t i = 0; i < c_arraylen(ol_data); ++i) + { + struct OlympicsData* d = &ol_data[i]; + OlympicLoc loc = {.year = d->year, + .city = cstr_from(d->city), + .date = cstr_from(d->date)}; + // Insert an empty list for each new country, and append the entry to the list. + // If country already exist in map, its list is returned from the insert function. + clist_OL* list = &csmap_OL_emplace(&multimap, d->country, empty).ref->second; + clist_OL_push_back(list, loc); + } + + // Sort locations by year for each country. + c_foreach (country, csmap_OL, multimap) + clist_OL_sort(&country.ref->second); + + // Print the multimap: + c_foreach (country, csmap_OL, multimap) + { + // Loop the locations for a country sorted by year + c_foreach (loc, clist_OL, country.ref->second) + printf("%s: %d, %s, %s\n", cstr_str(&country.ref->first), + loc.ref->year, + cstr_str(&loc.ref->city), + cstr_str(&loc.ref->date)); + } + csmap_OL_drop(&multimap); +} diff --git a/misc/examples/sortedmaps/new_smap.c b/misc/examples/sortedmaps/new_smap.c new file mode 100644 index 00000000..ee946c9a --- /dev/null +++ b/misc/examples/sortedmaps/new_smap.c @@ -0,0 +1,67 @@ +#define i_implement +#include <stc/cstr.h> +#include <stc/forward.h> + +forward_csmap(PMap, struct Point, int); + +// Use forward declared PMap in struct +typedef struct { + PMap pntmap; + cstr name; +} MyStruct; + +// Point => int map +typedef struct Point { int x, y; } Point; +int point_cmp(const Point* a, const Point* b) { + int c = a->x - b->x; + return c ? c : a->y - b->y; +} + +#define i_type PMap +#define i_key Point +#define i_val int +#define i_cmp point_cmp +#define i_is_forward +#include <stc/csmap.h> + +// cstr => cstr map +#define i_type SMap +#define i_key_str +#define i_val_str +#include <stc/csmap.h> + +// cstr set +#define i_type SSet +#define i_key_str +#include <stc/csset.h> + + +int main(void) +{ + PMap pmap = c_init(PMap, { + {{42, 14}, 1}, + {{32, 94}, 2}, + {{62, 81}, 3}, + }); + SMap smap = c_init(SMap, { + {"Hello, friend", "this is the mapped value"}, + {"The brown fox", "jumped"}, + {"This is the time", "for all good things"}, + }); + SSet sset = {0}; + + c_forpair (p, i, PMap, pmap) + printf(" (%d,%d: %d)", _.p->x, _.p->y, *_.i); + puts(""); + + c_forpair (i, j, SMap, smap) + printf(" (%s: %s)\n", cstr_str(_.i), cstr_str(_.j)); + + SSet_emplace(&sset, "Hello, friend"); + SSet_emplace(&sset, "Goodbye, foe"); + printf("Found? %s\n", SSet_contains(&sset, "Hello, friend") ? "true" : "false"); + + PMap_drop(&pmap); + SMap_drop(&smap); + SSet_drop(&sset); +} diff --git a/misc/examples/sortedmaps/sorted_map.c b/misc/examples/sortedmaps/sorted_map.c new file mode 100644 index 00000000..89381554 --- /dev/null +++ b/misc/examples/sortedmaps/sorted_map.c @@ -0,0 +1,67 @@ +// https://iq.opengenus.org/containers-cpp-stl/ + +#include <stdio.h> +#define i_key int +#define i_val int +#include <stc/csmap.h> + +int main(void) +{ + + // empty map containers + csmap_int gquiz1 = {0}, gquiz2 = {0}; + c_defer( + csmap_int_drop(&gquiz1), + csmap_int_drop(&gquiz2) + ){ + // insert elements in random order + csmap_int_insert(&gquiz1, 2, 30); + csmap_int_insert(&gquiz1, 4, 20); + csmap_int_insert(&gquiz1, 7, 10); + csmap_int_insert(&gquiz1, 5, 50); + csmap_int_insert(&gquiz1, 3, 60); + csmap_int_insert(&gquiz1, 1, 40); + csmap_int_insert(&gquiz1, 6, 50); + + // printing map gquiz1 + printf("\nThe map gquiz1 is :\n\tKEY\tELEMENT\n"); + c_foreach (itr, csmap_int, gquiz1) + printf("\t%d\t%d\n", itr.ref->first, itr.ref->second); + printf("\n"); + + // assigning the elements from gquiz1 to gquiz2 + c_foreach (i, csmap_int, gquiz1) + csmap_int_insert(&gquiz2, i.ref->first, i.ref->second); + + // print all elements of the map gquiz2 + printf("\nThe map gquiz2 is :\n\tKEY\tELEMENT\n"); + c_foreach (itr, csmap_int, gquiz2) + printf("\t%d\t%d\n", itr.ref->first, itr.ref->second); + printf("\n"); + + // remove all elements up to element with key=3 in gquiz2 + printf("\ngquiz2 after removal of elements less than key=3 :\n"); + printf("\tKEY\tELEMENT\n"); + csmap_int_erase_range(&gquiz2, csmap_int_begin(&gquiz2), + csmap_int_find(&gquiz2, 3)); + c_foreach (itr, csmap_int, gquiz2) + printf("\t%d\t%d\n", itr.ref->first, itr.ref->second); + printf("\n"); + + // remove all elements with key = 4 + int num = csmap_int_erase(&gquiz2, 4); + printf("\ngquiz2.erase(4) : %d removed\n", num); + printf("\tKEY\tELEMENT\n"); + c_foreach (itr, csmap_int, gquiz2) + printf("\t%d\t%d\n", itr.ref->first, itr.ref->second); + printf("\n"); + + // lower bound and upper bound for map gquiz1 key = 5 + printf("gquiz1.lower_bound(5) : "); + printf("\tKEY = %d\t", csmap_int_lower_bound(&gquiz1, 5).ref->first); + printf("\tELEMENT = %d\n", csmap_int_lower_bound(&gquiz1, 5).ref->second); + printf("gquiz1.upper_bound(5) : "); + printf("\tKEY = %d\t", csmap_int_lower_bound(&gquiz1, 5+1).ref->first); + printf("\tELEMENT = %d\n", csmap_int_lower_bound(&gquiz1, 5+1).ref->second); + } +} |
