From 138c5f4e91ee67862f9667b63cb32ef5688d7f27 Mon Sep 17 00:00:00 2001
From: Anton <anton.kozar@sigma.tuke.sk>
Date: Tue, 29 Oct 2024 17:46:23 +0100
Subject: [PATCH] Initializacia

---
 a1/main      | Bin 0 -> 16336 bytes
 a1/program.c |  71 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 71 insertions(+)
 create mode 100755 a1/main

diff --git a/a1/main b/a1/main
new file mode 100755
index 0000000000000000000000000000000000000000..5bc851cc3d552394b9de71f11fe1d97c3af4ec6b
GIT binary patch
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diff --git a/a1/program.c b/a1/program.c
index 53c5fdf..bd9dc62 100644
--- a/a1/program.c
+++ b/a1/program.c
@@ -1 +1,72 @@
 #include <stdio.h>
+#include <string.h>
+
+#define MAX_LEN 101
+
+typedef struct {
+    char bracket;
+    int position;
+} StackItem;
+
+int is_opening(char ch) {
+    return ch == '(' || ch == '{' || ch == '[' || ch == '<';
+}
+
+int is_closing(char ch) {
+    return ch == ')' || ch == '}' || ch == ']' || ch == '>';
+}
+
+char matching_bracket(char ch) {
+    switch (ch) {
+        case ')': return '(';
+        case '}': return '{';
+        case ']': return '[';
+        case '>': return '<';
+        default: return 0;
+    }
+}
+
+void check_brackets(const char *line) {
+    StackItem stack[MAX_LEN];
+    int stack_top = -1;
+    
+    printf("Read: %s\n", line);
+
+    for (int i = 0; line[i] != '\0'; i++) {
+        char ch = line[i];
+
+        if (is_opening(ch)) {
+            if (stack_top < MAX_LEN - 1) {
+                stack[++stack_top].bracket = ch;
+                stack[stack_top].position = i;
+            } else {
+                printf("Error: Stack overflow\n");
+                return;
+            }
+        } else if (is_closing(ch)) {
+            if (stack_top >= 0 && stack[stack_top].bracket == matching_bracket(ch)) {
+                stack_top--;
+            } else {
+                printf("Crossed bracket %c in %d, expected %c\n", ch, i,
+                       stack_top >= 0 ? matching_bracket(stack[stack_top].bracket) : '#');
+                return;
+            }
+        }
+    }
+
+    if (stack_top >= 0) {
+        printf("Unmatched bracket %c in %d\n", stack[stack_top].bracket, stack[stack_top].position);
+    } else {
+        printf("All brackets OK\n");
+    }
+}
+
+int main() {
+    char line[MAX_LEN];
+    if (fgets(line, sizeof(line), stdin)) {
+        line[strcspn(line, "\n")] = '\0';
+        check_brackets(line);
+    }
+    return 0;
+}
+