#192. 考试分数计算

    ID: 192 Type: Default 1000ms 256MiB Tried: 0 Accepted: 0 Difficulty: (None) Uploaded By: Tags>codingbatAp-1gesp1循环结构条件结构

考试分数计算

Exam Score Calculation

Background

Congcong took an exam, and now he wants to know his score.

Problem Description

The "key" array is an array containing the correct answers to an exam, like `{"a\