File: root - text - article - 2019 - 11 - witness.txt
Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, Python, | English | Home Page | Category: Computing | 1957 Views, 21286 Search Bots | 94 Words
| Browse | Archive
![Subscribe to Feed Burner Subscribe to Feed Burner](/images/form/rss.gif)
Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, Python, | English | Home Page | Category: Computing | 1957 Views, 21286 Search Bots | 94 Words
![Subscribe to Feed Burner Subscribe to Feed Burner](/images/form/rss.gif)
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.
Here's your starting point:
Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, Python, | English | Home Page | Cateogry: Computing | 1957 Views, 21286 Search Bots | 94 Words 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
![Subscribe to Feed Burner Subscribe to Feed Burner](/images/form/rss.gif)
Related Articles
- Maximum In A Stack
- Daily Interview Problem: Product of Array Except Self
- Daily Interview Problem: Get all Values at a Certain Height in a Binary Tree
- Daily Interview Problem: Longest Substring With K Distinct Characters
- Windows Scripting
- New Vulnerabilities (CVE-2016-4581) have been detected in CentOS/RHEL/CloudLinux 7
- 56 Bytes
- Daily Interview Problem: Min Range Needed to Sort
- Daily Interview Problem: Count Number of Unival Subtrees
- Algorithm Interview: No Adjacent Repeating Characters
©2006~2024 SteakOverCooked - 0.01188 Seconds(s) - 4576.224 KB/s - 49 Online
Memory: 531.27 KB
18:54:01 up 13 days, 18:33, 2 users, load average: 0.98, 0.86, 0.73 - Server PHP Version: 7.4.33
How to Cook a Perfect Steak? | <meta name="robots" content="noindex, follow" />
![](/images/top.jpg)
18:54:01 up 13 days, 18:33, 2 users, load average: 0.98, 0.86, 0.73 - Server PHP Version: 7.4.33
Read & Write - Normal - Mini - Post - All Comments - Statistics
1. ekta12bhaskar - 2021-07-05 09:05:17 AM
public class Main { ![](/images/datacss/rightq.png)
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);
}
}