{ "data": { "question": { "questionId": "2006", "questionFrontendId": "1894", "categoryTitle": "Algorithms", "boundTopicId": 820492, "title": "Find the Student that Will Replace the Chalk", "titleSlug": "find-the-student-that-will-replace-the-chalk", "content": "

There are n students in a class numbered from 0 to n - 1. The teacher will give each student a problem starting with the student number 0, then the student number 1, and so on until the teacher reaches the student number n - 1. After that, the teacher will restart the process, starting with the student number 0 again.

\n\n

You are given a 0-indexed integer array chalk and an integer k. There are initially k pieces of chalk. When the student number i is given a problem to solve, they will use chalk[i] pieces of chalk to solve that problem. However, if the current number of chalk pieces is strictly less than chalk[i], then the student number i will be asked to replace the chalk.

\n\n

Return the index of the student that will replace the chalk pieces.

\n\n

 

\n

Example 1:

\n\n
\nInput: chalk = [5,1,5], k = 22\nOutput: 0\nExplanation: The students go in turns as follows:\n- Student number 0 uses 5 chalk, so k = 17.\n- Student number 1 uses 1 chalk, so k = 16.\n- Student number 2 uses 5 chalk, so k = 11.\n- Student number 0 uses 5 chalk, so k = 6.\n- Student number 1 uses 1 chalk, so k = 5.\n- Student number 2 uses 5 chalk, so k = 0.\nStudent number 0 does not have enough chalk, so they will have to replace it.
\n\n

Example 2:

\n\n
\nInput: chalk = [3,4,1,2], k = 25\nOutput: 1\nExplanation: The students go in turns as follows:\n- Student number 0 uses 3 chalk so k = 22.\n- Student number 1 uses 4 chalk so k = 18.\n- Student number 2 uses 1 chalk so k = 17.\n- Student number 3 uses 2 chalk so k = 15.\n- Student number 0 uses 3 chalk so k = 12.\n- Student number 1 uses 4 chalk so k = 8.\n- Student number 2 uses 1 chalk so k = 7.\n- Student number 3 uses 2 chalk so k = 5.\n- Student number 0 uses 3 chalk so k = 2.\nStudent number 1 does not have enough chalk, so they will have to replace it.\n
\n\n

 

\n

Constraints:

\n\n\n", "translatedTitle": "找到需要补充粉笔的学生编号", "translatedContent": "

一个班级里有 n 个学生,编号为 0 到 n - 1 。每个学生会依次回答问题,编号为 0 的学生先回答,然后是编号为 1 的学生,以此类推,直到编号为 n - 1 的学生,然后老师会重复这个过程,重新从编号为 0 的学生开始回答问题。

\n\n

给你一个长度为 n 且下标从 0 开始的整数数组 chalk 和一个整数 k 。一开始粉笔盒里总共有 k 支粉笔。当编号为 i 的学生回答问题时,他会消耗 chalk[i] 支粉笔。如果剩余粉笔数量 严格小于 chalk[i] ,那么学生 i 需要 补充 粉笔。

\n\n

请你返回需要 补充 粉笔的学生 编号 。

\n\n

 

\n\n

示例 1:

\n\n
\n输入:chalk = [5,1,5], k = 22\n输出:0\n解释:学生消耗粉笔情况如下:\n- 编号为 0 的学生使用 5 支粉笔,然后 k = 17 。\n- 编号为 1 的学生使用 1 支粉笔,然后 k = 16 。\n- 编号为 2 的学生使用 5 支粉笔,然后 k = 11 。\n- 编号为 0 的学生使用 5 支粉笔,然后 k = 6 。\n- 编号为 1 的学生使用 1 支粉笔,然后 k = 5 。\n- 编号为 2 的学生使用 5 支粉笔,然后 k = 0 。\n编号为 0 的学生没有足够的粉笔,所以他需要补充粉笔。
\n\n

示例 2:

\n\n
\n输入:chalk = [3,4,1,2], k = 25\n输出:1\n解释:学生消耗粉笔情况如下:\n- 编号为 0 的学生使用 3 支粉笔,然后 k = 22 。\n- 编号为 1 的学生使用 4 支粉笔,然后 k = 18 。\n- 编号为 2 的学生使用 1 支粉笔,然后 k = 17 。\n- 编号为 3 的学生使用 2 支粉笔,然后 k = 15 。\n- 编号为 0 的学生使用 3 支粉笔,然后 k = 12 。\n- 编号为 1 的学生使用 4 支粉笔,然后 k = 8 。\n- 编号为 2 的学生使用 1 支粉笔,然后 k = 7 。\n- 编号为 3 的学生使用 2 支粉笔,然后 k = 5 。\n- 编号为 0 的学生使用 3 支粉笔,然后 k = 2 。\n编号为 1 的学生没有足够的粉笔,所以他需要补充粉笔。\n
\n\n

 

\n\n

提示:

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