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iOS Objective-C Basics (Retired) Fundamentals of C Arrays

Something is wrong with %f

The computer keeps on telling me to insert %f in the right place... Here is my code. I literally put it in Xcode and it works perfectly.

float math_constants[1]; math_constants[0] = 2.71828;

printf("Euler's number = %f", math_constants[0]);

float math_constants[1];
math_constants[0] = 2.71828;

printf("Euler's number = %f", math_constants[0]);

1 Answer

William Li
William Li
Courses Plus Student 26,867 Points

I don't know, based on the question you're asking, You should be on the last part of this 4-part challenge. However, the first line in your code is clearly incorrect, math_constants is NOT big enough to hold 2 numbers, it should've failed the part 1 of the code challenge; on top of that, the code from part 3 is missing here.

So I am really confused about what's going on here. Did you delete or modify some of the previous codes after you reach part 4?

Here's a sample solution for this problem should look like. And yes, your printf output is correct, only problem is that the lines before printf are causing the grader check to fail.

float math_constants[2];
math_constants[0] = 2.71828;
math_constants[1] = 1.41421;
printf("Euler's number = %f", math_constants[0]);