Masato Tokuse stomy13

## permutation.go
func Permute[T any](nums []T) [][]T {
	n := factorial(len(nums))
	ret := make([][]T, 0, n)
	permute(nums, &ret)
	return ret
}

func permute[T any](nums []T, ret *[][]T) {
	*ret = append(*ret, makeCopy(nums))

## exponential_backoff.go
func ExponentialBackoff(f func() error) {
	sleep := time.Second
	for {
		err := f()
		if err == nil {
			return
		}
		time.Sleep(sleep)
		sleep *= 2
	}

## ftp_put_dir.go
package main

import (
	"bytes"
	"io/ioutil"
	"log"
	"os"
	"path/filepath"
	"time"

## normalized_distribution.go
package main

import (
	"fmt"
	"math/rand"
	"os"
)

func main() {
	f, err := os.OpenFile("./normalized_distribution", os.O_APPEND|os.O_WRONLY, os.ModeAppend)

## subset_sum.go
package main

import (
	"fmt"
)

func main() {

	// input
	var n, A int

## knapsack.go
package main

import (
	"fmt"
)

// input
var n, W int
var weight, value [110]int

## salesman.go
package main

import "fmt"

// INF is enough big value
const INF int = 100000000

// Input
var N int
var dist [21][21]int

## expireDate.sh
# !/bin/bash
curl -v $1 2>&1 | grep 'expire date'

## pointer_method_concurrently.go
package main

import (
	"fmt"
	"time"
)

func main() {
	m := &Messanger{
		Message: "1",

## signal.go
package main

import (
	"fmt"
	"os"
	"os/signal"
	"sync"
	"syscall"
)
	func Permute[T any](nums []T) [][]T {
	n := factorial(len(nums))
	ret := make([][]T, 0, n)
	permute(nums, &ret)
	return ret
	}

	func permute[T any](nums []T, ret *[][]T) {
	ret = append(ret, makeCopy(nums))
	func ExponentialBackoff(f func() error) {
	sleep := time.Second
	for {
	err := f()
	if err == nil {
	return
	}
	time.Sleep(sleep)
	sleep *= 2
	}
	package main

	import (
	"bytes"
	"io/ioutil"
	"log"
	"os"
	"path/filepath"
	"time"
	package main

	import (
	"fmt"
	"math/rand"
	"os"
	)

	func main() {
	f, err := os.OpenFile("./normalized_distribution", os.O_APPEND\|os.O_WRONLY, os.ModeAppend)
	package main

	import "fmt"

	// INF is enough big value
	const INF int = 100000000

	// Input
	var N int
	var dist [21][21]int