work in progress...1

Homework/SC/func.c

@@ -1,21 +1,20 @@
 #include "head.h"
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
-#include <time.h>
 
-Stack get(Stack *l, int n) {
-  if (n > len(l))
-    exit(3);
-  int i;
-  for (i = 0; i < n; i++) {
+void linked_print(Stack *l)
+{
+  while (l != NULL)
+  {
+    printf("%lF\n", l->x);
     l = l->next;
   }
-  return *l;
 }
 
-Stack *add_head(Stack *l, double x) {
-  if (l == NULL) {
+Stack *add_head(Stack *l, double x)
+{
+  if (l == NULL)
+  {
     l = malloc(sizeof(Stack));
     if (l == NULL)
       exit(1);
@@ -23,7 +22,8 @@ Stack *add_head(Stack *l, double x) {
     l->next = NULL;
   }
 
-  if (l->x == 0.0) {
+  if (l->x == 0.0)
+  {
     l->x = x;
     l->next = NULL;
     return l;
@@ -38,26 +38,12 @@ Stack *add_head(Stack *l, double x) {
   return tmp;
 }
 
-void stack_print(Stack *l) {
-  while (l != NULL) {
-    printf("%lF\n", l->x);
-    l = l->next;
-  }
-}
-
-int len(Stack *l) {
-  int ans = 0;
-  while (l != NULL) {
-    ans++;
-    l = l->next;
-  }
-  return ans;
-}
-
-Stack *del_head(Stack *l) {
+Stack *del_head(Stack *l)
+{
   if (l == NULL)
     return NULL;
-  else if (l->next == NULL) {
+  else if (l->next == NULL)
+  {
     free(l);
     l = NULL;
     return NULL;
@@ -66,4 +52,27 @@ Stack *del_head(Stack *l) {
   free(l);
   l = NULL;
   return tmp;
+}
+
+int len(Stack *l)
+{
+  int res = 0;
+  while (l != NULL)
+  {
+    res++;
+    l = l->next;
+  }
+  return res;
+}
+
+Stack get(Stack *l, int n)
+{
+  if (n > len(l))
+    exit(3);
+  int i;
+  for (i = 0; i < n; i++)
+  {
+    l = l->next;
+  }
+  return *l;
 }

Homework/SC/head.h

@@ -1,13 +1,13 @@
+#define N 5
 
-#define N 6
-
-typedef struct Stack {
+typedef struct Stack
+{
   double x;
   struct Stack *next;
 } Stack;
 
-Stack get(Stack *l, int n);
+void linked_print(Stack *l);
 Stack *add_head(Stack *l, double x);
-void stack_print(Stack *l);
-int len(Stack *l);
 Stack *del_head(Stack *l);
+int len(Stack *l);
+Stack get(Stack *l, int n);

Homework/SC/main.c

@@ -1,32 +1,40 @@
 #include "head.h"
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <time.h>
-
-int main(int argc, char *argv[]) {
+// Выдает неадекватные значения
+int main(int argc, char *argv[])
+{
   srand(time(0));
   Stack *numbers = malloc(sizeof(Stack));
   if (numbers == NULL)
     exit(1);
 
   char c;
-  char flag = 'f';
+  char flag = 'n';
 
-  while ((c = getchar()) != EOF) {
-    if (c == '\n') {
+  while ((c = getchar()) != EOF)
+  {
+    if (c == '\n')
+    {
       break;
-    } else if (c == ' ') {
-      flag = 't';
+    }
+    else if (c == ' ')
+    {
+      flag = 's';
       continue;
     }
 
-    switch (c) {
+    switch (c)
+    {
     case '0' ... '9':
-      if (flag == 't') {
+      if (flag == 's')
+      {
         numbers = add_head(numbers, (double)(c - '0'));
-        flag = 'f';
-      } else {
+        flag = 'n';
+      }
+      else
+      {
         double a = get(numbers, 0).x;
         numbers = del_head(numbers);
         a = a * 10 + c - '0';
@@ -38,7 +46,8 @@ int main(int argc, char *argv[]) {
     case '-':
     case '*':
     case '/':
-      if (len(numbers) < 2) {
+      if (len(numbers) < 2)
+      {
         printf("Invalid expression\n");
         exit(2);
       }
@@ -58,7 +67,7 @@ int main(int argc, char *argv[]) {
     }
   }
 
-  printf("result: %lF\n", get(numbers, -1).x);
+  printf("res: %lF\n", get(numbers, 0).x);
 
   free(numbers);
   return 0;