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| package main
import (
"fmt"
"strings"
)
func style0() {
m := make(map[int][]string, 9)
for i := 1; i < 10; i++ {
for j := i; j < 10; j++ {
str := fmt.Sprintf("%d * %d = %2d\t", i, j, i*j)
s, ok := m[i]
if !ok {
m[i] = []string{str}
} else {
m[i] = append(s, str)
}
}
}
for i := 0; i < 9; i++ {
for j := 1; j < 10-i; j++ {
fmt.Print(m[j][i])
}
fmt.Println()
}
}
func style1() {
m := make(map[int][]string, 9)
for i := 1; i < 10; i++ {
for j := i; j < 10; j++ {
str := fmt.Sprintf("%d * %d = %2d\t", i, j, i*j)
s, ok := m[i]
if !ok {
m[i] = []string{str}
} else {
m[i] = append(s, str)
}
}
}
for i := 0; i < 9; i++ {
var placeholder []string
for k := 0; k < i; k++ {
placeholder = append(placeholder, fmt.Sprint(" \t"))
}
fmt.Print(strings.Join(placeholder, ""))
for j := 9 - i; j > 0; j-- {
fmt.Print(m[j][i])
}
fmt.Println()
}
}
func style2() {
for i := 1; i < 10; i++ {
for j := i; j < 10; j++ {
str := fmt.Sprintf("%d * %d = %2d\t", i, j, i*j)
fmt.Print(str)
}
fmt.Println()
}
}
func style3() {
for i := 1; i < 10; i++ {
var placeholder []string
for k := 1; k < i; k++ {
placeholder = append(placeholder, fmt.Sprint(" \t"))
}
fmt.Print(strings.Join(placeholder, ""))
for j := 9; j >= i; j-- {
str := fmt.Sprintf("%d * %d = %2d\t", i, j, i*j)
fmt.Print(str)
}
fmt.Println()
}
}
func main() {
style0()
style1()
style2()
style3()
}
|