What Is the Problem with This Code

question 1

Essay

What is the problem with this code?
int .array[5];
>>Delete the dot
for (int index = 1;index <=5;index++)
array[index] = index /2;

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Definitions:

Variable Cost

Expenses in a business operation that fluctuate with the level of output, such as materials and labor costs.

Utilization

The degree to which a resource, such as equipment or labor, is being used effectively to produce goods or services.

Efficiency

A measure of how well resources (time, energy, costs) are used to achieve a goal or perform a process with minimal waste or effort.

Break-Even Point

The point at which total cost and total revenue are equal, meaning there is no net loss or gain.