backend/contest/management/commands/seed_contests.py

@@ -2,33 +2,133 @@ from django.core.management.base import BaseCommand
 
 from contest.models import Contest, ContestQuestion, Question, QuestionVersion
 
+import random
+
+
+def _generate_beginner():
+    """入门：100以内加减乘除，约 400 题。"""
+    questions = []
+    ops = [
+        ("+", lambda a, b: a + b),
+        ("-", lambda a, b: a - b),
+        ("×", lambda a, b: a * b),
+        ("÷", lambda a, b: a // b if b != 0 and a % b == 0 else None),
+    ]
+    idx = 0
+    for a in range(2, 100):
+        for b in range(2, min(a + 1, 100)):
+            for sym, fn in ops:
+                if idx >= 400:
+                    return questions
+                if sym == "÷" and (b == 0 or a % b != 0):
+                    continue
+                if sym == "-" and a < b:
+                    continue
+                result = fn(a, b)
+                if result is None or result < 0 or result > 10000:
+                    continue
+                slug = f"b-auto-{idx:04d}"
+                prompt = f"{a} {sym} {b}"
+                answer = str(result)
+                if (slug, prompt, answer) not in questions:
+                    questions.append((slug, prompt, answer))
+                    idx += 1
+    return questions[:400]
+
+
+def _generate_standard():
+    """标准：两位数乘除、大数减法、平方，约 400 题。"""
+    questions = []
+    idx = 0
+    # 两位数乘法
+    for a in range(11, 100):
+        for b in range(11, min(a + 1, 100)):
+            if idx >= 150:
+                break
+            questions.append((f"s-auto-mul-{idx:04d}", f"{a} × {b}", str(a * b)))
+            idx += 1
+    # 三位数除法
+    for a in range(100, 1000, 7):
+        for b in range(11, 50):
+            if idx >= 300:
+                break
+            if a % b == 0:
+                questions.append((f"s-auto-div-{idx:04d}", f"{a} ÷ {b}", str(a // b)))
+                idx += 1
+    # 大数减法
+    for a in range(1000, 10000, 137):
+        b = random.randint(100, a - 1)
+        if idx >= 350:
+            break
+        questions.append((f"s-auto-sub-{idx:04d}", f"{a} - {b}", str(a - b)))
+        idx += 1
+    # 平方
+    for a in range(11, 100):
+        if idx >= 400:
+            break
+        questions.append((f"s-auto-sq-{idx:04d}", f"{a}²", str(a * a)))
+        idx += 1
+    return questions[:400]
+
+
+def _generate_advanced():
+    """进阶：模运算、组合数、高次幂、开方、等差数列求和，约 200 题。"""
+    questions = []
+    idx = 0
+    # 模运算
+    for base in range(2, 20):
+        for exp in range(2, 13):
+            for mod in range(3, 20):
+                if idx >= 50:
+                    break
+                result = pow(base, exp, mod)
+                questions.append((f"a-auto-mod-{idx:04d}", f"{base}^{exp} ÷ {mod} 的余数", str(result)))
+                idx += 1
+    # 组合数 C(n,k)
+    for n in range(5, 31):
+        for k in range(2, min(n // 2 + 1, 8)):
+            if idx >= 100:
+                break
+            from math import comb
+            questions.append((f"a-auto-comb-{idx:04d}", f"C({n},{k})", str(comb(n, k))))
+            idx += 1
+    # 高次幂
+    for base in range(2, 10):
+        for exp in range(3, 10):
+            if idx >= 130:
+                break
+            result = base ** exp
+            if result > 10**8:
+                continue
+            questions.append((f"a-auto-pow-{idx:04d}", f"{base}^{exp}", str(result)))
+            idx += 1
+    # 开方（完全平方数）
+    for n in range(10, 200):
+        if idx >= 160:
+            break
+        r = int(n**0.5)
+        if r * r == n:
+            questions.append((f"a-auto-sqrt-{idx:04d}", f"√{n}", str(r)))
+            idx += 1
+    # 等差数列求和 1..n
+    for n in range(10, 201, 5):
+        if idx >= 200:
+            break
+        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
+    return questions[:200]
+
+
 QUESTIONS = {
-    Question.Track.BEGINNER: [
-        ("b-12-plus-19", "12 + 19", "31"),
-        ("b-8-times-7", "8 × 7", "56"),
-        ("b-90-minus-37", "90 - 37", "53"),
-        ("b-144-div-12", "144 ÷ 12", "12"),
-        ("b-25-times-4", "25 × 4", "100"),
-    ],
-    Question.Track.STANDARD: [
-        ("s-17-times-23", "17 × 23", "391"),
-        ("s-625-div-25", "625 ÷ 25", "25"),
-        ("s-48-times-15", "48 × 15", "720"),
-        ("s-1000-minus-387", "1000 - 387", "613"),
-        ("s-35-squared", "35²", "1225"),
-    ],
-    Question.Track.ADVANCED: [
-        ("a-mod-2pow10", "2¹⁰ 除以 7 的余数", "2"),
-        ("a-sum-1-50", "1 到 50 的整数和", "1275"),
-        ("a-15-choose-2", "C(15,2)", "105"),
-        ("a-sqrt-2025", "√2025", "45"),
-        ("a-3pow6", "3⁶", "729"),
-    ],
+    Question.Track.BEGINNER: _generate_beginner(),
+    Question.Track.STANDARD: _generate_standard(),
+    Question.Track.ADVANCED: _generate_advanced(),
 }
 
 
 class Command(BaseCommand):
-    help = "创建首批分层题目、实时 1v1、每日赛和单人练习"
+    help = "创建分层题库（入门/标准/进阶）和实时 1v1、每日赛、单人练习"
 
     def handle(self, *args, **options):
         versions = {}
@@ -93,6 +193,9 @@ class Command(BaseCommand):
                 },
             )
             ContestQuestion.objects.filter(contest=contest).delete()
+            pool = list(versions[track])
+            random.shuffle(pool)
+            selected = pool[:8]
             ContestQuestion.objects.bulk_create(
                 [
                     ContestQuestion(
@@ -101,11 +204,14 @@ class Command(BaseCommand):
                         order=index,
                         points=100,
                     )
-                    for index, version in enumerate(versions[track], start=1)
+                    for index, version in enumerate(selected, start=1)
                 ]
             )
+        total = sum(map(len, QUESTIONS.values()))
         self.stdout.write(
             self.style.SUCCESS(
-                f"已创建 {sum(map(len, QUESTIONS.values()))} 道题和 {len(contest_specs)} 场比赛"
+                f"已创建 {total} 道题（入门{len(QUESTIONS[Question.Track.BEGINNER])}、"
+                f"标准{len(QUESTIONS[Question.Track.STANDARD])}、"
+                f"进阶{len(QUESTIONS[Question.Track.ADVANCED])}）和 {len(contest_specs)} 场比赛"
             )
         )

backend/static/js/app.js

@@ -83,6 +83,7 @@ function collectApiErrorMessages(value, messages = []) {
 }
 
 function logApiError(error) {
+  if (error.status === 401 || error.status === 403) return;
   console.error("[Hulumath API]", {
     method: error.method,
     path: error.path,

backend/static/js/realtime.js

@@ -350,6 +350,9 @@
     result.append(outcome, score, timeLine, rating);
     root.append(result);
 
+    // 刷新右上角用户 Rating 显示
+    if (typeof loadUser === "function") loadUser();
+
     const review = document.createElement("div");
     review.className = "realtime-review";
     match.attempt.questions.forEach((question) => {