Сделал 1 Задание со списками

ProcessingSequences/46Ex/input.txt

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+5 4 3 2 1

ProcessingSequences/46Ex/main.c

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+#include <stdio.h>
+#include "tools.h"
+#include "solution_polynomial.h"
+
+/*
+Example: 5 4 3 2 1
+x: 2
+
+Answer: 80 + 32 + 12 + 4 + 1 = 129
+        160 + 48 + 12 + 2 = 222
+*/
+
+int main(void) {
+    double x, derivative, polynomial;
+    FILE * file = getFile();
+    if (file == NULL) return 1;
+
+    printf("Enter the x cordinate: ");
+    scanf("%lf", &x);
+    if (solutionPolynomial(file, x, &derivative, &polynomial)) return 1;
+    printf("The solution of the polynomial is %.0lf\nThe solution of the derivative is %.0lf", polynomial, derivative);
+}

ProcessingSequences/46Ex/makefile

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+all: main.o solution_polynomial.o tools.o
+	gcc main.o solution_polynomial.o tools.o && del *.o
+	
+main.o: main.c
+	gcc -c main.c
+
+solution_polynomial.o: solution_polynomial.c
+	gcc -c solution_polynomial.c
+
+tools.o: tools.c
+	gcc -c tools.c

ProcessingSequences/46Ex/solution_polynomial.c

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+#include "solution_polynomial.h"
+
+int solutionPolynomial(FILE * file, double x, double * derivative, double * polynomial) {
+    double current;
+
+    if (fscanf(file, "%lf", &current) != 1) {
+        printf("File is empty!");
+        return 1;
+    }
+
+    *derivative = *polynomial = 0;
+
+    do {
+        *derivative = *derivative * x + *polynomial;
+        *polynomial = *polynomial * x + current;
+        // c4x^3 + c3x^2 + c2x + c = c = c2x + c = c3x^2 + c2x + c = ...
+    } while (fscanf(file, "%lf", &current) == 1);
+
+    return 0;
+}

ProcessingSequences/46Ex/solution_polynomial.h

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+#ifndef SOLUTION_POLYNOMIAL
+#define SOLUTION_POLYNOMIAL
+
+#include <stdio.h>
+
+int solutionPolynomial(FILE * file, double x, double * derivative, double * polynomial);
+
+#endif // SOLUTION_POLYNOMIAL

ProcessingSequences/46Ex/tools.c

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+#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;
+    }
+}

ProcessingSequences/46Ex/tools.h

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+#ifndef TOOLS
+#define TOOLS
+
+#include <stdio.h>
+
+FILE * getFile(void);
+
+#endif