main.go 源码
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials : https://learngoprogramming.com
// In-person training : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus
package main
// ---------------------------------------------------------
// EXERCISE: Math Tables
//
// Create division, addition and subtraction tables
//
// 1. Get the math operation and
// the size of the table from the user
//
// 2. Print the table accordingly
//
// 3. Correctly handle the division by zero error
//
//
// BONUS #1
//
// Use strings.IndexAny function to detect
// the valid operations.
//
// Search on Google for: golang pkg strings IndexAny
//
// BONUS #2
//
// Add remainder operation as well (remainder table using %).
//
//
// EXPECTED OUTPUT
//
// go run main.go
// Usage: [op=*/+-] [size]
//
// go run main.go "*"
// Size is missing
// Usage: [op=*/+-] [size]
//
// go run main.go "%" 4
// Invalid operator.
// Valid ops one of: */+-
//
// go run main.go "*" 4
// * 0 1 2 3 4
// 0 0 0 0 0 0
// 1 0 1 2 3 4
// 2 0 2 4 6 8
// 3 0 3 6 9 12
// 4 0 4 8 12 16
//
// go run main.go "/" 4
// / 0 1 2 3 4
// 0 0 0 0 0 0
// 1 0 1 0 0 0
// 2 0 2 1 0 0
// 3 0 3 1 1 0
// 4 0 4 2 1 1
//
// go run main.go "+" 4
// + 0 1 2 3 4
// 0 0 1 2 3 4
// 1 1 2 3 4 5
// 2 2 3 4 5 6
// 3 3 4 5 6 7
// 4 4 5 6 7 8
//
// go run main.go "-" 4
// - 0 1 2 3 4
// 0 0 -1 -2 -3 -4
// 1 1 0 -1 -2 -3
// 2 2 1 0 -1 -2
// 3 3 2 1 0 -1
// 4 4 3 2 1 0
//
// BONUS:
//
// go run main.go "%" 4
// % 0 1 2 3 4
// 0 0 0 0 0 0
// 1 0 0 1 1 1
// 2 0 0 0 2 2
// 3 0 0 1 0 3
// 4 0 0 0 1 0
//
// NOTES:
//
// When running the program in Windows Git Bash, you might need
// to escape the characters like this.
//
// This happens because those characters have special meaning.
//
// Division:
// go run main.go // 4
//
// Multiplication and others:
// (this is also necessary for non-Windows bashes):
//
// go run main.go "*" 4
// ---------------------------------------------------------
func main() {
}
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