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TD2-8_Make_ChangePrograms/prg3.py

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+# km
+import math
+import time
+
+def make_change_recursive(coins, amount, start, current_change, result):
+    if amount == 0:
+        result.append(current_change[:])
+        return
+
+    for i in range(start, len(coins)):
+        coin_cents = round(coins[i] * 100)
+        if amount >= coin_cents:
+            current_change.append(coins[i])
+            make_change_recursive(coins, amount - coin_cents, i, current_change, result)
+            current_change.pop()
+
+    return result
+
+def main():
+    coins = [5, 2, 0.2, 0.1, 0.05]  # Available coin values
+    target_amount = 12.35  # Change to be made
+    solutions = []  # Store all valid combinations
+
+    start_time = time.perf_counter()
+    solutions = make_change_recursive(coins, target_amount * 100, 0, [], [])
+    end_time = time.perf_counter()
+
+    duration = end_time - start_time
+
+    with open("AllTheSolutionsTest1.txt", "w") as file:
+        # file.write("execution time: "+str(duration)+"s\n")
+        file.write(str(solutions))
+        # for solution in solutions:
+        #     file.write(",".join(map(str, solution)) + "\n")
+        #     print(solution,"\n")
+
+        file.write("\n"+str(duration)+"\n")
+        print("execution time: "+str(duration)+"s")
+if __name__ == "__main__":
+    main()