Сделал 15 Задание с массивами

13Ex/main.c

@@ -13,5 +13,7 @@ int main(void) {
     if (equal(numbers)) printf("They are different");
     else printf("They are the same");
 
+    free(numbers);
+
     return 0;
 }

15Ex/input.txt

@@ -0,0 +1 @@
+1 1 2 2 1 1 2 2 1 1 2 2

15Ex/main.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+#include "tools.h"
+#include "replace_local_min.h"
+
+int main(void) {
+    double * numbers;
+    FILE * file = getFile();
+
+    numbers = getList(file);
+    if (numbers == NULL) return 1;
+
+    printf("Count elements in file: %d", replaceLocalMin(numbers));
+    free(numbers);
+}

15Ex/makefile

@@ -0,0 +1,11 @@
+all: main.o replace_local_min.o tools.o
+	gcc main.o replace_local_min.o tools.o && del *.o
+
+main.o: main.c
+	gcc -c main.c
+	
+replace_local_min.o: replace_local_min.c
+	gcc -c replace_local_min.c
+
+tools.o: tools.c
+	gcc -c tools.c

15Ex/replace_local_min.c

@@ -0,0 +1,18 @@
+#include "replace_local_min.h"
+
+int replaceLocalMin(double * numbers) {
+    int length = numbers[0];
+    unsigned final_num = 1;
+    unsigned local_length = 1;
+
+    for (int i = 2; i < length; ++i, ++final_num) {
+        if (numbers[i - 1] == numbers[i]) { if (local_length) ++local_length;
+        } else if (numbers[i - 1] < numbers[i]) {
+            if (local_length) final_num -= (local_length - 1), local_length = 0;
+        } else local_length = 1;
+    }
+
+    if ((numbers[length - 1] == numbers[length - 2]) && (local_length)) final_num -= (local_length - 1);
+
+    return final_num;
+}

15Ex/replace_local_min.h

@@ -0,0 +1,6 @@
+#ifndef REPLACE_LOCAL_MIN
+#define REPLACE_LOCAL_MIN
+
+int replaceLocalMin(double * numbers);
+
+#endif // REPLACE_LOCAL_MIN

15Ex/tools.c

@@ -0,0 +1,50 @@
+#include "tools.h"
+
+FILE * getFile(void)
+{
+    FILE * file;
+    char filename[50];
+
+    printf("Enter filename: ");
+    if (scanf("%s", filename) == 1)
+    {
+        file = fopen(filename, "r");
+        if (file == NULL) {
+            printf("Error file!\n");
+            return NULL;
+        } else {
+            return file;
+        }
+    } else
+    {
+        printf("Empty name!\n");
+        return NULL;
+    }
+}
+
+double * getList(FILE * file) {
+    double current;
+    int i, length = 2;
+    double * numbers = NULL;
+
+    if (fscanf(file, "%lf", &current) != 1) {
+        printf("File is empty!");
+        return numbers;
+    }
+
+    numbers = (double *)malloc(length * sizeof(double));
+    i = 1;
+
+    do {
+        if (i >= length) {
+            length *= 2;
+            numbers = (double *)realloc(numbers, (length * sizeof(double)));
+        }
+        numbers[i] = current;
+        i++;
+    } while (fscanf(file, "%lf", &current) == 1);
+
+    numbers = (double *)realloc(numbers, i * sizeof(double));
+    numbers[0] = i;
+    return numbers;
+}

15Ex/tools.h

@@ -0,0 +1,10 @@
+#ifndef TOOLS
+#define TOOLS
+
+#include <stdio.h>
+#include <stdlib.h>
+
+FILE * getFile(void);
+double * getList(FILE * file);
+
+#endif