feat: Add table showing exercise solution distribution

benchmark/problem_stats.py

@@ -170,6 +170,17 @@ def analyze_exercise_solutions(dirs=None, topn=None):
         f" {len(all_exercises) - solved_by_none - solved_by_all} (some)"
     )
 
+    # Distribution table of how many models solved each exercise
+    print("\nDistribution of solutions:")
+    print("Models  Exercises")
+    print("-" * 20)
+    counts = [0] * (total_models + 1)
+    for ex, models in exercise_solutions.items():
+        counts[len(models)] += 1
+    
+    for i, count in enumerate(counts):
+        print(f"{i:>6d}  {count:>9d}")
+
 
 if __name__ == "__main__":
     parser = argparse.ArgumentParser()