Trapping Rainwater Problem

Vivacious Vicuña answered on April 19, 2022 Popularity 5/10 Helpfulness 2/10

answer Trapping Rainwater Problem

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Trapping Rainwater Problem

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class Solution {
    public int trap(int[] arr) {
        int n = arr.length;
        int water = 0;
        int leftMax = 0,rightMax = 0;
        n--;
        int i=0;
        while(i<n){
            if(arr[i]<arr[n]){
                if(arr[i]>=leftMax)
                    leftMax = arr[i];
                else
                    water += leftMax - arr[i];
                i++;
            }
            else{
                if(arr[n]>=rightMax)
                    rightMax = arr[n];
                else
                    water += rightMax - arr[n];
                n--;
            }
        }
        return water;
    }
}

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Contributed on Apr 19 2022

Vivacious Vicuña

0 Answers Avg Quality 2/10

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Trapping Rain Water

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class Solution {
public:
    int trap(vector<int>& height) {
        
    }
};

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Contributed on Aug 17 2022

CodeBlack reactor

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Trapping Rain Water

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int trap(int* height, int heightSize){

}

Popularity 3/10 Helpfulness 1/10 Language c

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Contributed on Aug 17 2022

CodeBlack reactor

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Trapping Rain Water

Comment

public class Solution {
    public int Trap(int[] height) {
        
    }
}

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Contributed on Aug 17 2022

CodeBlack reactor

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Trapping Rain Water

Comment

/**
 * @param {number[]} height
 * @return {number}
 */
var trap = function(height) {
    
};

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Contributed on Aug 17 2022

CodeBlack reactor

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Trapping Rain Water

Comment

# @param {Integer[]} height
# @return {Integer}
def trap(height)
    
end

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Contributed on Aug 17 2022

CodeBlack reactor

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Trapping Rain Water

Comment

class Solution {
    func trap(_ height: [Int]) -> Int {
        
    }
}

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Contributed on Aug 17 2022

CodeBlack reactor

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Trapping Rain Water

Comment

class Solution {

    /**
     * @param Integer[] $height
     * @return Integer
     */
    function trap($height) {
        
    }
}

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Contributed on Aug 17 2022

CodeBlack reactor

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Trapping Rain Water

Comment

function trap(height: number[]): number {

};

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Contributed on Aug 17 2022

CodeBlack reactor

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trapping rain water problem

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public class Tapping_RainWater {

    public static void tapping_water(int[] Height) {
        int n = Height.length;
        int Tapped_Water = 0;

        int[] left_Max = new int[n];
        left_Max[0] = Height[0];
        for (int i = 1; i < n; i++) {
            left_Max[i] = Math.max(Height[i], left_Max[i - 1]);
        }

        int[] right_Max = new int[n];
        right_Max[n - 1] = Height[n - 1];
        for (int i = n - 2; i >= 0; i--) {
            right_Max[i] = Math.max(Height[i], right_Max[i + 1]);
        }

        for (int i = 0; i < n; i++) {
            int water_level = Math.min(left_Max[i], right_Max[i]);
            Tapped_Water += water_level - Height[i];
        }

        System.out.println("Total water tapped : " + Tapped_Water);
    }

    public static void main(String[] args) {
        int[] Height_Block = {4, 2, 0, 6, 3, 2, 5};

        tapping_water(Height_Block);
    }
}

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Contributed on Feb 03 2023

Poor Tony Stark

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Trapping Rainwater Problem

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