release: prepare Hulumath v1.2.0

backend/contest/management/commands/seed_contests.py

@@ -117,6 +117,21 @@ def _generate_advanced():
         result = n * (n + 1) // 2
         questions.append((f"a-auto-sum-{idx:04d}", f"1 到 {n} 的整数和", str(result)))
         idx += 1
+    # 一元一次方程，补足稳定的 200 题池
+    for solution in range(2, 60):
+        if idx >= 200:
+            break
+        coefficient = solution % 7 + 2
+        offset = solution % 11 + 1
+        total = coefficient * solution + offset
+        questions.append(
+            (
+                f"a-auto-linear-{idx:04d}",
+                f"{coefficient}x + {offset} = {total}，求 x",
+                str(solution),
+            )
+        )
+        idx += 1
     return questions[:200]