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, 21381 Search Bots | 94 Words
| Browse | Archive
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, 21381 Search Bots | 94 Words
| Browse | Archive
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, 21381 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
Related Articles
- Daily Interview Problem: Look and Say Sequence
- Daily Interview Problem: Given two arrays, write a function to compute their intersection.
- A trick for getting good at coding interviews FASTER
- Daily Interview Problem: Merge K Sorted Linked Lists
- Daily Interview Problem: Deepest Node in a Binary Tree
- Patterns for breaking down questions you haven
- Daily Interview Problem: Buddy Strings
- [Daily Problem] Course Prerequisites
- Daily Interview Problem: Tree Serialization
- Daily Interview Problem: Maximum Profit From Stocks
©2006~2024 SteakOverCooked - 0.02471 Seconds(s) - 2152.698 KB/s - 27 Online Memory: 532.64 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" />
18:54:01 up 13 days, 18:33, 2 users, load average: 0.98, 0.86, 0.73 - Server PHP Version: 7.4.33
Comments (1)
Read & Write - Normal - Mini - Post - All Comments - Statistics
1. ekta12bhaskar - 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);
}
}