From 69de8ecfb2df52a6a4ae9d75f6a018ae380cca05 Mon Sep 17 00:00:00 2001
From: Syndamia <kamen@syndamia.com>
Date: Sat, 25 Oct 2025 18:07:05 +0300
Subject: feat(Week04): Add exercises and solutions

---
 Week04/Exercise13.cpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 Week04/Exercise13.cpp

(limited to 'Week04/Exercise13.cpp')

diff --git a/Week04/Exercise13.cpp b/Week04/Exercise13.cpp
new file mode 100644
index 0000000..953ee61
--- /dev/null
+++ b/Week04/Exercise13.cpp
@@ -0,0 +1,19 @@
+#include <iostream>
+
+int main() {
+    unsigned int fib_index;
+    std::cin >> fib_index;
+
+    unsigned int prev = 0;
+    unsigned int curr = 1;
+
+    for (unsigned int index = 1; index <= fib_index; index++) {
+        unsigned int old_curr = curr;
+        curr += prev;
+        prev = old_curr;
+    }
+
+    std::cout << prev;
+
+    return 0;
+}
-- 
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