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Conserving water saves energy. In many regions water gets collected between the valleys which is used for various purposes by the villagers. Help villagers to estimate how much water can be possibly collected. Given N non-negative integers representing an elevation of valleys where the width of each valley is 1, compute total units of water it can hold after raining. 2 • Height = [0,1,0,2,1,0,1,3,2,1,2,1] • Output: 6 • Explanation: The above elevation map (black section) is represented by array [0,1,0,2,1,0,1,3,2,1.2.1]. In this case, 6 units of rain water (blue section) are being trapped. Input Format First line of input contains N, the number of valleys. Second line of input contains N integers denoting heights of the valley. Constraints • n == height.length • 1 <= n <= 2* 104 0 <= height[i]<<= 105 Output Format Print a single line containing one positive integer, denoting the maximum amount of water that can be stored. Sample Input 0 12 0 1 0 2 1 0 1 3 2 1 2 1

Conserving water saves energy. In many regions water gets collected between the valleys which is used for various purposes by the villagers. Help villagers to estimate how much water can be possibly collected. Given N non-negative integers representing an elevation of valleys where the width of each valley is 1, compute total units of water it can hold after raining. 2 • Height = [0,1,0,2,1,0,1,3,2,1,2,1] • Output: 6 • Explanation: The above elevation map (black section) is represented by array [0,1,0,2,1,0,1,3,2,1.2.1]. In this case, 6 units of rain water (blue section) are being trapped. Input Format First line of input contains N, the number of valleys. Second line of input contains N integers denoting heights of the valley. Constraints • n == height.length • 1 <= n <= 2* 104 0 <= height[i]<<= 105 Output Format Print a single line containing one positive integer, denoting the maximum amount of water that can be stored. Sample Input 0 12 0 1 0 2 1 0 1 3 2 1 2 1

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Conserving water saves energy. In many regions water gets collected between the valleys which is used for various purposes by the villagers. Help villagers to estimate how much water can be possibly collected. Given N non-negative integers representing an elevation of valleys where the width of each valley is 1, compute total units of water it can hold after raining. 3 2 • Height = [0,1,0,2,1,0,1,3,2,1,2,1] • Output: 6 • Explanation: The above elevation map (black section) is represented by array [0,1,0,2,1,0,1,3,2,1,2,1]. In this case, 6 units of rain water (blue section) are being trapped. Input Format First line of input contains N, the number of valleys. Second line of input contains N integers denoting heights of the valley. Constraints • n == = height.length • 1 <= n <= 2 * 104 • 0 <= height[i] <= 105 Output Format Print a single line containing one positive integer, denoting the maximum amount of water that can be stored. Sample Input 0 12 0 1 0 2 1 0 1 3 2 1 2 1
Transcribed Image Text:Conserving water saves energy. In many regions water gets collected between the valleys which is used for various purposes by the villagers. Help villagers to estimate how much water can be possibly collected. Given N non-negative integers representing an elevation of valleys where the width of each valley is 1, compute total units of water it can hold after raining. 3 2 • Height = [0,1,0,2,1,0,1,3,2,1,2,1] • Output: 6 • Explanation: The above elevation map (black section) is represented by array [0,1,0,2,1,0,1,3,2,1,2,1]. In this case, 6 units of rain water (blue section) are being trapped. Input Format First line of input contains N, the number of valleys. Second line of input contains N integers denoting heights of the valley. Constraints • n == = height.length • 1 <= n <= 2 * 104 • 0 <= height[i] <= 105 Output Format Print a single line containing one positive integer, denoting the maximum amount of water that can be stored. Sample Input 0 12 0 1 0 2 1 0 1 3 2 1 2 1
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