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-rw-r--r--Year_2/Algorithms/data_structures/cc/countingsort.cc83
-rw-r--r--Year_2/Algorithms/data_structures/cc/ordinamento-lineare.cc115
-rw-r--r--Year_2/Algorithms/data_structures/counting_sort.cc86
-rw-r--r--Year_2/Algorithms/data_structures/heap.c95
-rw-r--r--Year_2/Algorithms/data_structures/heap.rs115
5 files changed, 0 insertions, 494 deletions
diff --git a/Year_2/Algorithms/data_structures/cc/countingsort.cc b/Year_2/Algorithms/data_structures/cc/countingsort.cc
deleted file mode 100644
index 49f29d7..0000000
--- a/Year_2/Algorithms/data_structures/cc/countingsort.cc
+++ /dev/null
@@ -1,83 +0,0 @@
-#include <fstream>
-#include <iostream>
-#include <string.h>
-#include <string>
-
-using namespace std;
-
-void
-counting_sort(int* A, size_t n, ofstream& fout)
-{
- int i, j;
- int max, min;
- int* freq;
- int* t;
- int range;
-
- max = A[0], min = A[0];
- t = new int[n];
-
- for (i = 1; i < n; ++i) {
- if (A[i] > max)
- max = A[i];
-
- if (A[i] < min)
- min = A[i];
- }
-
- range = (max - min) + 1;
-
- freq = new int[range];
-
- for (i = 0; i < range; ++i) {
- freq[i] = 0;
- }
-
- for (i = 0; i < n; ++i) {
- freq[A[i] - min] += 1;
- }
- for (i = 1; i < range; ++i) {
- freq[i] = freq[i] + freq[i - 1];
- }
- fout << "0 ";
- for (i = 0; i < range - 1; ++i) {
- fout << freq[i] << ' ';
- }
-
- for (i = n - 1; i >= 0; --i) {
- t[freq[A[i] - min] - 1] = A[i];
- freq[A[i] - min]--;
- }
-
- for (i = 0; i < n; ++i) {
- A[i] = t[i];
- fout << A[i] << ' ';
- }
- fout << endl;
-
- delete[] freq;
- delete[] t;
-}
-
-int
-main()
-{
- ifstream fin("input.txt");
- ofstream fout("output.txt");
- int N;
-
- for (int i = 0; i < 100; ++i) {
- fin >> N;
- int* a = new int[N];
-
- for (int j = 0; j < N; ++j) {
- fin >> a[j];
- }
-
- counting_sort(a, N, fout);
-
- delete[] a;
- }
-
- return 0;
-}
diff --git a/Year_2/Algorithms/data_structures/cc/ordinamento-lineare.cc b/Year_2/Algorithms/data_structures/cc/ordinamento-lineare.cc
deleted file mode 100644
index 5af1b1d..0000000
--- a/Year_2/Algorithms/data_structures/cc/ordinamento-lineare.cc
+++ /dev/null
@@ -1,115 +0,0 @@
-#include <fstream>
-#include <iostream>
-#include <stdlib.h>
-#include <string>
-
-using namespace std;
-
-template <typename T>
-void
-counting_sort(T* A, size_t n, ofstream& fout, int incr, bool is_char = false)
-{
- int i, j;
- int max, min;
- int* freq;
- int* t;
- int range;
-
- for (i = 0; i < n; ++i) {
- A[i] = A[i] * incr;
- }
-
- max = A[0], min = A[0];
- t = new int[n];
-
- for (i = 1; i < n; ++i) {
- if (A[i] > max)
- max = A[i];
-
- if (A[i] < min)
- min = A[i];
- }
-
- range = (max - min) + 1;
-
- freq = new int[range];
-
- for (i = 0; i < range; ++i) {
- freq[i] = 0;
- }
-
- for (i = 0; i < n; ++i) {
- freq[static_cast<int>(A[i] - min)] += 1;
- }
- for (i = 1; i < range; ++i) {
- freq[i] = freq[i] + freq[i - 1];
- }
- fout << "0 ";
- for (i = 0; i < range - 1; ++i) {
- fout << freq[i] << ' ';
- }
-
- for (i = n - 1; i >= 0; --i) {
- t[freq[static_cast<int>(A[i] - min)] - 1] = A[i];
- freq[static_cast<int>(A[i] - min)]--;
- }
-
- for (i = 0; i < n; ++i) {
- A[i] = t[i];
- if (is_char) {
- fout << (char)A[i] << ' ';
- } else {
- fout << A[i] / incr << ' ';
- }
- }
- fout << endl;
-
- delete[] freq;
- delete[] t;
-}
-
-int
-main()
-{
- ifstream fin("input.txt");
- ofstream fout("output.txt");
- string type;
- int N;
-
- for (int i = 0; i < 100; ++i) {
- fin >> type;
- fin >> N;
-
- if (type == "double") {
- double* a = new double[N];
-
- for (int j = 0; j < N; ++j) {
- fin >> a[j];
- }
-
- counting_sort(a, N, fout, 10);
-
- delete[] a;
- } else if (type == "char") {
- char* a = new char[N];
-
- for (int j = 0; j < N; ++j) {
- fin >> a[j];
- }
-
- counting_sort(a, N, fout, 1, true);
- delete[] a;
- } else {
- int* a = new int[N];
-
- for (int j = 0; j < N; ++j) {
- fin >> a[j];
- }
-
- counting_sort(a, N, fout, 1);
- delete[] a;
- }
- }
-
- return 0;
-}
diff --git a/Year_2/Algorithms/data_structures/counting_sort.cc b/Year_2/Algorithms/data_structures/counting_sort.cc
deleted file mode 100644
index 71cb505..0000000
--- a/Year_2/Algorithms/data_structures/counting_sort.cc
+++ /dev/null
@@ -1,86 +0,0 @@
-#include <fstream>
-#include <iostream>
-#include <string.h>
-#include <string>
-
-using namespace std;
-
-void
-counting_sort(int* A, size_t n)
-{
- int i, j;
- int max, min;
- int* freq;
- int* t;
- int range;
-
- max = A[0], min = A[0];
- t = new int[n];
-
- for (i = 1; i < n; ++i) {
- if (A[i] > max)
- max = A[i];
-
- if (A[i] < min)
- min = A[i];
- }
-
- range = (max - min) + 1;
-
- freq = new int[range];
-
- for (i = 0; i < range; ++i) {
- freq[i] = 0;
- }
-
- for (i = 0; i < n; ++i) {
- freq[A[i] - min] += 1;
- }
- for (i = 1; i < range; ++i) {
- freq[i] = freq[i] + freq[i - 1];
- }
-
- for (i = n - 1; i >= 0; --i) {
- t[freq[A[i] - min] - 1] = A[i];
- freq[A[i] - min]--;
- }
-
- for (i = 0; i < n; ++i)
- A[i] = t[i];
-
- delete[] freq;
- delete[] t;
-}
-
-int
-main()
-{
- ifstream fin("input.txt");
- ofstream fout("output.txt");
- string s;
-
- int* A = new int[1024];
- int n;
- char* token;
-
- for (int i = 0; i < 100; ++i) {
- getline(fin, s);
- n = 0;
- token = strtok((char*)s.c_str(), " ");
- while (token) {
- A[n++] = atoi(token);
- token = strtok(NULL, " ");
- }
-
- counting_sort(A, n);
-
- for (int i = 0; i < n - 1; ++i) {
- fout << A[i] << ' ';
- }
- fout << A[n - 1] << endl;
- }
-
- delete[] A;
-
- return 0;
-}
diff --git a/Year_2/Algorithms/data_structures/heap.c b/Year_2/Algorithms/data_structures/heap.c
deleted file mode 100644
index be7024b..0000000
--- a/Year_2/Algorithms/data_structures/heap.c
+++ /dev/null
@@ -1,95 +0,0 @@
-#include<stdio.h>
-#include<stdlib.h>
-#define HEAP_TYPE 0 // if 0 is max heap, else min heap
-
-unsigned heapsize = 0;
-
-int compare(int x, int y) {
- return (!HEAP_TYPE) ? x < y : x > y;
-}
-
-void swap(int* a, int x, int y) {
- int temp = a[x];
- a[x] = a[y];
- a[y] = temp;
-}
-
-void insert(int* a, int k) {
- a[++heapsize] = k;
- unsigned i = heapsize;
-
- while(i > 1 && compare(a[i>>1], a[i])) {
- swap(a, i, i >> 1);
- i >>= 1;
- }
-}
-
-void heapify(int* a, int n, int i) {
- int l = i << 1;
- int r = l | 1;
-
- int max = i;
- if(l <= n && !compare(a[l], a[max])) max = l;
- if(r <= n && !compare(a[r], a[max])) max = r;
-
- if(max != i) {
- swap(a, i, max);
- heapify(a, n, max);
- }
-}
-
-void build(int* a, int n) {
- for(unsigned i = n/2; i > 0; --i) {
- heapify(a, n, i);
- }
-}
-
-int extract(int* a) {
- swap(a, 1, heapsize);
- --heapsize;
- heapify(a, heapsize, 1);
- return *(a+heapsize+1);
-}
-
-int* heapsort(int* a, int n) {
- int* b = malloc(sizeof(int) * n);
- build(a, n);
- for(unsigned i = n-1; i != -1; --i) {
- b[i] = extract(a);
- }
-
- return b;
-}
-
-void increase_key(int* a, int i, int k) {
- swap(a, i, k);
- while(i > 1 && compare(a[i>>1], a[i])) {
- swap(a, i, i >> 1);
- i >>= 1;
- }
-}
-
-int main() {
- heapsize = 0;
- int* a = malloc(sizeof(int) * 7);
-
- insert(a, 5);
- insert(a, 24);
- insert(a, 1);
- insert(a, 12);
- insert(a, 35);
- insert(a, -1);
-
- printf("heap = ");
- for(unsigned i = 1; i <= heapsize; ++i)
- printf("%d ", *(a+i));
-
- int n = heapsize;
- int* b = heapsort(a, heapsize);
- printf("\nheapsort = ");
- for(unsigned i = 0; i < n; ++i)
- printf("%d ", *(b+i));
- free(b);
- free(a);
- return 0;
-}
diff --git a/Year_2/Algorithms/data_structures/heap.rs b/Year_2/Algorithms/data_structures/heap.rs
deleted file mode 100644
index 9dde55c..0000000
--- a/Year_2/Algorithms/data_structures/heap.rs
+++ /dev/null
@@ -1,115 +0,0 @@
-struct Heap<T> {
- array: [T; 32],
- is_minheap: bool,
- size: usize,
-}
-
-impl<T> Heap<T>
-where
- T: PartialOrd + Copy + Default,
-{
- fn new() -> Self {
- Heap {
- array: [T::default(); 32],
- is_minheap: false,
- size: 0,
- }
- }
-
- fn insert(&mut self, k: T) {
- self.size += 1;
- self.array[self.size] = k;
- let mut i = self.size;
-
- while i > 1 && self.compare(i >> 1, i) {
- let temp = self.array[i];
- self.array[i] = self.array[i >> 1];
- self.array[i >> 1] = temp;
- i >>= 1;
- }
- }
-
- fn heapify(&mut self, i: usize) {
- let l = i << 1;
- let r = l | 1;
-
- let mut max = i;
- if l <= self.size && !self.compare(l, max) {
- max = l;
- }
- if r <= self.size && !self.compare(r, max) {
- max = r;
- }
-
- if max != i {
- let temp = self.array[i];
- self.array[i] = self.array[max];
- self.array[max] = temp;
- self.heapify(max);
- }
- }
-
- fn extract(&mut self) -> T {
- let temp = self.array[1];
- self.array[1] = self.array[self.size];
- self.array[self.size] = temp;
- self.size -= 1;
-
- self.heapify(1);
-
- self.array[self.size + 1]
- }
-
- fn compare(&self, x: usize, y: usize) -> bool {
- match self.is_minheap {
- false => self.array[x] < self.array[y],
- true => self.array[x] > self.array[y],
- }
- }
-}
-
-fn build<T: PartialOrd + Copy + Default>(array: [T; 32], n: usize) -> Heap<T> {
- let mut heap = Heap::<T>::new();
-
- heap.size = n;
- heap.array = array;
-
- for i in (1..=n / 2).rev() {
- heap.heapify(i);
- }
-
- heap
-}
-
-fn heapsort<T: PartialOrd + Copy + Default>(array: [T; 32], n: usize) -> [T; 32] {
- let mut heap = build(array, n);
- let mut arr: [T; 32] = [T::default(); 32];
- for i in (0..n).rev() {
- arr[i] = heap.extract();
- }
-
- arr
-}
-
-fn main() {
- let mut h = Heap::<i32>::new();
- println!("{:?}", h.array);
- h.insert(5);
- h.insert(24);
- h.insert(1);
- h.insert(12);
- h.insert(35);
- h.insert(-1);
- println!("{:?}\n", h.array);
-
- let mut arr: [i32; 32] = [0; 32];
- arr[1] = 5;
- arr[2] = 24;
- arr[3] = 1;
- arr[4] = 12;
- arr[5] = 35;
- arr[6] = -1;
- println!("{:?}", &arr);
- let hh = heapsort(arr, 6);
- println!("{:?}", hh);
-}
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