Update app.py

app.py

@@ -178,9 +178,11 @@ exec(pi)
 
 # In[15]:
 
-
-get_ipython().system('g++ -O3 -std=c++17 -o optimized.exe optimized.cpp')
-get_ipython().system('optimized.exe')
+try:
+    subprocess.run(['g++', '-O3', '-std=c++17', '-o', 'optimized.exe', 'optimized.cpp'], check=True)
+    subprocess.run(['./optimized.exe'], check=True)
+except subprocess.CalledProcessError as e:
+    print(f"Error during compilation or execution: {e}")
 
 
 # In[16]:
@@ -250,9 +252,11 @@ optimize_gemini(python_hard)
 
 # In[23]:
 
-
-get_ipython().system('g++ -O3 -std=c++17 -o optimized.exe optimized.cpp')
-get_ipython().system('optimized.exe')
+try:
+    subprocess.run(['g++', '-O3', '-std=c++17', '-o', 'optimized.exe', 'optimized.cpp'], check=True)
+    subprocess.run(['./optimized.exe'], check=True)
+except subprocess.CalledProcessError as e:
+    print(f"Error during compilation or execution: {e}")
 
 
 # In[28]: