7-1 考试周 (5point(s)) Submission 7-2 真的恭喜你 (10point(s)) Submission 7-3 平均成绩 (10point(s)) Submission 7-4 古风A+B (15point(s)) Submission 7-5 猜近似数字 (15point(s)) Submission 7-6 随机输一次 (20point(s)) Submission 7-7 阶乘的非零尾数 (20point(s)) Submission 7-8 三足鼎立 (25point(s)) Submission