From 58a48485d5901602ee042d58bab4c5cc81168c28 Mon Sep 17 00:00:00 2001
From: baiobelfer <baiobelfer@gmail.com>
Date: Mon, 8 Sep 2025 08:39:21 +0200
Subject: [PATCH] feat: implement recursive function przestaw and calculate
 results for given values

Co-authored-by: aider (openrouter/qwen/qwen3-coder) <aider@aider.chat>
---
 z1.c | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 z1.c

diff --git a/z1.c b/z1.c
new file mode 100644
index 0000000..9467d3b
--- /dev/null
+++ b/z1.c
@@ -0,0 +1,65 @@
+#include <stdio.h>
+
+int przestaw_calls = 0;
+
+int przestaw(int n) {
+    przestaw_calls++;
+    
+    int r = n % 100;
+    int a = r / 10;
+    int b = r % 10;
+    n = n / 100;
+    
+    if (n > 0) {
+        return a + 10 * b + 100 * przestaw(n);
+    } else {
+        if (a > 0) {
+            return a + 10 * b;
+        } else {
+            return b;
+        }
+    }
+}
+
+int main() {
+    int test_values[] = {316498, 43657688, 154005710, 998877665};
+    int num_tests = sizeof(test_values) / sizeof(test_values[0]);
+    
+    printf("| n | Wykonanie funkcji przestaw | Liczba wywolan funkcji przestaw |\n");
+    printf("|---|---|---|\n");
+    
+    for (int i = 0; i < num_tests; i++) {
+        przestaw_calls = 0;
+        int result = przestaw(test_values[i]);
+        printf("| %d | %d | %d |\n", test_values[i], result, przestaw_calls);
+    }
+    
+    // For the very large number 998877665544321, we need to use long long
+    long long large_value = 998877665544321LL;
+    przestaw_calls = 0;
+    
+    // We need a modified version for long long
+    long long przestaw_ll(long long n) {
+        przestaw_calls++;
+        
+        long long r = n % 100;
+        long long a = r / 10;
+        long long b = r % 10;
+        n = n / 100;
+        
+        if (n > 0) {
+            return a + 10 * b + 100 * przestaw_ll(n);
+        } else {
+            if (a > 0) {
+                return a + 10 * b;
+            } else {
+                return b;
+            }
+        }
+    }
+    
+    long long large_result = przestaw_ll(large_value);
+    printf("| 998877665544321 | %lld | %d |\n", large_result, przestaw_calls);
+    
+    return 0;
+}