> For the complete documentation index, see [llms.txt](https://valineliu.gitbook.io/deuterium-wiki/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution.md).

# csapp-3e-homework-solution

- [1. A Tour of Computer Systems](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/1.-a-tour-of-computer-systems.md): No homework for chapter 1.
- [2. Representing and Manipulating Information](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information.md): Solutions for csapp chapter 2.
- [2.55 Compile and Run](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.55-compile-and-run.md): ★
- [2.56 Another Try](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.56-another-try.md): ★
- [2.57 More show Procedures](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.57-more-show-procedures.md): ★
- [2.58 Check Little-Endian](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.58-check-little-endian.md): ★★
- [2.59 Bit Expressions](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.59-bit-expressions.md): ★★
- [2.60 Replace Byte](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.60-replace-byte.md): ★★
- [2.61 More Bit Expressions](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.61-more-bit-expressions.md): ★★
- [2.62 Check Arithmetic Right Shift](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.62-check-arithmetic-right-shift.md): ★★★
- [2.63 Logic & Arithmetic Right Shift](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.63-logic-and-arithmetic-right-shift.md): ★★★
- [2.64 Any Odd One](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.64-any-odd-one.md): ★
- [2.65 Odd Ones](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.65-odd-ones.md): ★★★★
- [2.66 Leftmost One](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.66-leftmost-one.md): ★★★
- [2.67 Int Size is 32](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.67-int-size-is-32.md): ★★
- [2.68 Lower One Mask](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.68-lower-one-mask.md): ★★
- [2.69 Rotate Left](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.69-rotate-left.md): ★★★
- [2.70 Fits Bits](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.70-fits-bits.md): ★★
- [2.71 Xbyte](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.71-xbyte.md): ★
- [2.72 Copy Int](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.72-copy-int.md): ★★
- [2.73 Saturating Add](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.73-saturating-add.md): ★★
- [2.74 Sub OK](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.74-sub-ok.md): ★★
- [2.75 Unsigned High Prod](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.75-unsigned-high-prod.md): ★★★
- [2.76 calloc](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.76-calloc.md): ★
- [2.77 Multiple By Shifts](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.77-multiple-by-shifts.md): ★★
- [2.78 Divide Power 2](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.78-divide-power-2.md): ★★
- [2.79 Mul3div4](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.79-mul3div4.md): ★★
- [2.80 Three Fourths](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.80-three-fourths.md): ★★★
- [2.81 Generate Bits](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.81-generate-bits.md): ★★
- [2.82 Signed and Unsigned](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.82-signed-and-unsigned.md): ★
- [2.83 Binary Floating Value](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.83-binary-floating-value.md): ★★
- [2.84 Float Le](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.84-float-le.md): ★★
- [2.85 Floating Point I](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.85-floating-point.md): ★
- [2.86 Extend Precision](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.86-extend-precision.md): ★
- [2.87 Floating-Point II](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.87-floating-point-ii.md): ★
- [2.88 Floating-Point III](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.88-floating-point-iii.md): ★★
- [2.89 Floating-Point IV](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.89-floating-point-iv.md): ★
- [2.90 fpwr2](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.90-fpwr2.md): ★
- [2.91 π](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.91-p.md): ★
- [2.92 Float Negate](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.92-float-negate.md): ★★
- [2.93 Float Absval](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.93-float-absval.md): ★★
- [2.94 Float Twice](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.94-float-twice.md): ★★★
- [2.95 Float Half](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.95-float-half.md): ★★★
- [2.96 Float f2i](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.96-float-f2i.md): ★★★★
- [2.97 Float i2f](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/2.-representing-and-manipulating-information/2.97-float-i2f.md): ★★★★
- [3. Machine-Level Representation of Programs](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs.md): Solutions for csapp chapter 3.
- [3.58 Decode](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.58-decode.md): ★
- [3.59 128-bit Multiply](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.59-128-bit-multiply.md): ★★
- [3.60 For Loop](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.60-for-loop.md): ★★
- [3.61 Conditional Data Transfer](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.61-conditional-data-transfer.md): ★★
- [3.62 Switch I](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.62-switch-i.md): ★★
- [3.63 Switch II](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.63-switch-ii.md): ★★
- [3.64 Multiple Dimension Array I](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.64-multiple-dimension-array.md): ★★★
- [3.65 Multiple Dimension Array II](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.65-multiple-dimension-array-ii.md): ★
- [3.66 Multiple Dimension Array III](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.66-multiple-dimension-array-iii.md): ★
- [3.67 Caller and Callee](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.67-caller-and-callee.md): ★★
- [3.68 Alignment](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.68-alignment.md): ★★★
- [3.69 Struct](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.69-struct.md): ★★★
- [3.70 Union](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.70-union.md): ★★★
- [3.71 fgets](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.71-fgets.md): ★
- [3.72 Variable-Size Stack](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.72-variable-size-stack.md): ★★
- [3.73 Find Range I](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.73-find-range.md): ★
- [3.74 Find Range II](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.74-find-range-ii.md): ★★
- [3.75 Complex](https://valineliu.gitbook.io/deuterium-wiki/reading/cs-jing-dian-shu-ji/csapp-3e-homework-solution/3.-machine-level-representation-of-programs/3.75-complex.md): ★