genya0407

genya0407

genya0407

genya0407

genya0407

package main

import "math/big"

func main() {
	a := big.NewInt(1)
	a.Lsh(a, 128)
	thousand := big.NewInt(1000)
	for i := 0; i < 100000; i++ {
		a.Mul(a, thousand)

genya0407

go

real	0m3.372s
user	0m3.218s
sys	0m0.048s

real	0m3.324s
user	0m3.238s
sys	0m0.053s

genya0407

package main

import "fmt"
import "math/big"

func main() {
	res1 := big.NewInt(1)
	for i := 1; i <= 100000; i++ {
		res1.Mul(res1, big.NewInt(int64(i)))
	}

genya0407

package main

import "fmt"
import "math/big"

func main() {
	res1 := big.NewInt(1)
	for i := 1; i <= 100000; i++ {
		res1.Mul(res1, big.NewInt(int64(i)))
	}

genya0407

genya0407