BalancedStaplesHomework5

balancedStaples/balancedStaples.sln

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balancedStaples/balancedStaples/balancedStaples.vcxproj

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balancedStaples/balancedStaples/balancedStaples.vcxproj.filters

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Исходные файлы">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Файлы заголовков">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="Файлы ресурсов">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="main.c">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+    <ClCompile Include="stack.c">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="stack.h">
+      <Filter>Исходные файлы</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>

balancedStaples/balancedStaples/main.c

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+#include <stdio.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <locale.h>
+#include "stack.h"
+#include <string.h>
+
+bool isBalanced(char stringStaples[], int* errorCode) {
+	ElementStack* buffer = NULL;
+	size_t sizeStringStaples = strlen(stringStaples);
+	size_t i = 0;
+	while(i < sizeStringStaples) {
+		if (stringStaples[i] == '{' || stringStaples[i] == '(' || stringStaples[i] == '[') {
+			pushElements(&buffer, stringStaples[i]);
+		} else if (stringStaples[i] == ']' || stringStaples[i] == ')' || stringStaples[i] == '}') {
+			char lastOpenStaple = popElements(&buffer, errorCode);
+			if (*errorCode == 1 
+				|| !((lastOpenStaple == '[' && stringStaples[i] == ']') 
+					|| (lastOpenStaple == '(' && stringStaples[i] == ')') 
+					|| (lastOpenStaple == '{' && stringStaples[i] == '}') )) {
+				clear(&buffer);
+				return false;
+			}
+		} else {
+			*errorCode = 1;
+			clear(&buffer);
+			return false;
+		}
+		++i;
+	}
+	if (buffer != NULL) {
+		clear(&buffer);
+		return false;
+	}
+	return true;
+}
+
+bool firstTest(void) {
+	char stringStaples[] = "{(})";
+	int errorCode = 0;
+	return !isBalanced(stringStaples, &errorCode) && errorCode == 0;
+}
+
+bool secondTest(void) {
+	char stringStaples[] = "{()}";
+	int errorCode = 0;
+	return isBalanced(stringStaples, &errorCode) && errorCode == 0;
+}
+
+int main() {
+	setlocale(LC_ALL, "RUS");
+	if (!firstTest() || !secondTest()) {
+		printf("������...\n");
+		return -1;
+	} else {
+		printf("����� �������� �������!\n");
+	}
+	printf("������� ������������������ ������(������ 100 ��������)\n");
+	char stringStaples[100];
+	gets_s(stringStaples, 100);
+	int errorCode = 0;
+	printf(isBalanced(stringStaples, &errorCode) && errorCode == 0 
+		? "���� ����������� ������ ��������������\n" 
+		: errorCode != 0 ? "������..." : "���� ����������� ������ �� ��������������\n");
+}

balancedStaples/balancedStaples/stack.c

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+#include "stack.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+int pushElements(ElementStack** head, char value) {
+	ElementStack* temp = malloc(sizeof(ElementStack));
+	if (temp == NULL) {
+		return -1;
+	}
+	temp->value = value;
+	temp->next = *head;
+
+	*head = temp;
+	return 0;
+}
+
+bool isEmpty(ElementStack* head) {
+	return head == NULL;
+}
+
+void clear(ElementStack** head) {
+	while (!isEmpty(*head)) {
+		popElements(head, NULL);
+	}
+}
+
+char popElements(ElementStack** head, int* errorCode) {
+	if (*head == NULL) {
+		if (errorCode != NULL) {
+			*errorCode = 1;
+		}
+		return -1;
+	}
+
+	int value = (*head)->value;
+
+	ElementStack* temp = (*head)->next;
+	free(*head);
+	*head = temp;
+
+	return value;
+}

balancedStaples/balancedStaples/stack.h

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+#ifndef STACK_H_
+#define STACK_H_
+#include <stdbool.h>
+
+typedef struct ElementStack {
+	struct ElementStack* next;
+	char value;
+} ElementStack;
+
+// ���������� ���������. ���������� 0 ���� �� ������, ����� ���������� -1 ���� ������.
+int pushElements(ElementStack** head, char value);
+
+// �������� �� ������ ����.
+bool isEmpty(ElementStack* head);
+
+// ������� �����.
+void clear(ElementStack** head);
+
+// �������� ���������. ���������� ��������, ��������� ��������
+char popElements(ElementStack** head, int* errorCode);
+
+#endif // !STACK_H_
+