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文件:  root - text - article - 2019 - 11 - witness.txt
标签: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, Python, | 英文 | 主页 | 类别: 计算机科学 | 1957 次阅读, 21401 次搜索 | 94 个单词

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Hi, here's your problem today. This problem was recently asked by Google:

There are n people lined up, and each have a height represented as an integer. A murder has happened right in front of them, and only people who are taller than everyone in front of them are able to see what has happened. How many witnesses are there?

Example:
Input: [3, 6, 3, 4, 1]
Output: 3
Explanation: Only [6, 4, 1] were able to see in front of them.



 #

 #

 # #

####

####

#####

36341                                 x (murder scene)


Here's your starting point:



def witnesses(heights):

  # Fill this in.



print witnesses([3, 6, 3, 4, 1])

# 3
标签: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, Python, | 英文 | 主页 | 类别: 计算机科学 | 1957 次阅读, 21401 次搜索 | 94 个单词 定阅此目录的博客

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    1.     - 2021-07-05 09:05:17 AM
 public class Main {
public static void main(String[] args) {
System.out.println("Hello World!");
int[] input = {8, 2, 3, 4, 0};
int n = input.length;
int witness = 0;
int max_so_far = Integer.MIN_VALUE;
for(int i = n-1 ; i >= 0 ; i--){
if(input[i] > max_so_far){
witness++;
max_so_far = input[i];
}
}
System.out.println(witness);
}
} 


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