1 files changed, 26 insertions, 0 deletions
diff --git a/Week05/Exercise12.cpp b/Week05/Exercise12.cpp
new file mode 100644
index 0000000..eac5f08
--- /dev/null
+++ b/Week05/Exercise12.cpp
@@ -0,0 +1,26 @@
+#include <iostream>
+
+int main() {
+    const unsigned int SIZE = 20;
+
+    unsigned short indecies[SIZE];
+    bool visited[SIZE];
+    for (unsigned int i = 0; i < SIZE; i++) {
+        std::cin >> indecies[i];
+        visited[i] = false;
+    }
+
+    unsigned int current_index = 0, jumps = 0;
+    while (current_index != SIZE - 1 && !visited[current_index]) {
+        visited[current_index] = true;
+        current_index = indecies[current_index];
+        jumps++;
+    }
+
+    if (current_index != SIZE - 1)
+        std::cout << "Infinity" << std::endl;
+    else
+        std::cout << jumps << std::endl;
+
+    return 0;
+}