该C代码的哪一部分缺失或需要更改？

For my assignment, I have to fill in missing parts of the C code below. However, I am not sure which parts are missing or which part I have to fill in. I have a sample assembly code which this code will generate, but do not know which parts I have to change to get my expected result. I am just looking for clarification.For my assignment, I have to fill in missing pa