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 | 2175 Views, 23224 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 | 2175 Views, 23224 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 | 2175 Views, 23224 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
- Generate All IP Addresses
- Daily Interview Problem: Min Stack
- Daily Interview Question: Longest Sequence with Two Unique Numbers
- Algorithm Interview: Make the Largest Number
- Daily Interview Problem: Reconstrunct Binary Tree from Preorder and Inorder Traversals
- Daily Interview Problem: Tree Serialization
- Skip the readings, focus on problems. And use all the hints!
- Daily Interview Problem: Find the Number of Islands
- Reverse a Linked List
- Print a tree level-by-level, with line-breaks
©2006~2024 SteakOverCooked - 0.00898 Seconds(s) - 2313.627 KB/s - 13 Online
Memory: 493.1 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);
}
}