Container With Most Water in DSA C - Interactive Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare the function that calculates the maximum water container area.

DSA C

int maxArea(int* height, int heightSize) {
    int [1] = 0;
    return 0;
}

Drag options to blanks, or click blank then click option'

Amax_area

BmaxWater

Carea

Dresult

Attempts:

3 left

💡 Hint

Common Mistakes

Using a variable name that is not descriptive or unrelated to the problem.

The variable to store the maximum area is commonly named max_area to clearly indicate its purpose.

2fill in blank

medium

Complete the code to initialize the left pointer at the start of the array.

DSA C

int left = [1];

Drag options to blanks, or click blank then click option'

A0

B1

C-1

DheightSize

Attempts:

3 left

💡 Hint

Common Mistakes

Starting the left pointer at 1 or a negative index.

The left pointer should start at index 0, which is the beginning of the array.

3fill in blank

hard

Fix the error in the while loop condition to correctly iterate while left is less than right.

DSA C

while (left [1] right) {
    // loop body
}

Drag options to blanks, or click blank then click option'

A>

B<

C>=

D<=

Attempts:

3 left

💡 Hint

Common Mistakes

Using >= or > which causes the loop to skip or run incorrectly.

The loop should continue while left is less than right to avoid overlapping pointers.

4fill in blank

hard

Fill both blanks to calculate the current area and update max_area if needed.

DSA C

int width = right - left;
int height_min = height[left] < height[right] ? height[left] : height[right];
int current_area = width * [1];
if (current_area [2] max_area) {
    max_area = current_area;
}

Drag options to blanks, or click blank then click option'

Aheight_min

Bheight[left]

C>

D<

Attempts:

3 left

💡 Hint

Common Mistakes

Using the wrong height for area calculation or wrong comparison operator.

The current area is width times the smaller height (height_min). Update max_area if current_area is greater.

5fill in blank

hard

Fill all three blanks to move the pointers correctly based on the heights.

DSA C

if (height[left] < height[right]) {
    [1]++;
} else {
    [2]--;
}

// Return the maximum area found
return [3];

Drag options to blanks, or click blank then click option'

Aleft

Bright

Cmax_area

Dheight

Attempts:

3 left

💡 Hint

Common Mistakes

Moving the wrong pointer or returning the wrong variable.

Move left pointer forward if height[left] is smaller, else move right pointer backward. Return max_area at the end.