Update

app.py

@@ -25,8 +25,10 @@ with st.spinner("Loading data...", show_time=True):
 
 
 if "problem" in st.query_params:
-    problem_id = int(st.query_params["problem"])
+    problem_id = str(st.query_params["problem"])
     problem_instance = problem_dict[problem_id]
+
+    st.header(problem_id)
     
     with st.expander("Problem Description"):
         st.markdown(problem_instance["question_content"])