Submission #801740

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Source Code Expand

package main

import (
	"fmt"
	"math/big"
)

func main() {
	var s string
	fmt.Scan(&s)
	a := new(big.Int)
	a.SetString(s, 10)
	r := Sub(Mul(Add(a, big.NewInt(1)), Add(a, big.NewInt(1))), big.NewInt(1))
	l := Mul(a, a)

	for Div(Add(l, big.NewInt(99)), big.NewInt(100)).Cmp(Div(r, big.NewInt(100)))!=1 {
		l = Div(Add(l, big.NewInt(99)), big.NewInt(100))
		r = Div(r, big.NewInt(100))
	}

	fmt.Println(l)
}


func Mul(x, y *big.Int) *big.Int {
	return big.NewInt(0).Mul(x, y)
}
func Div(x, y *big.Int) *big.Int {
	return big.NewInt(0).Div(x, y)
}
func Sub(x, y *big.Int) *big.Int {
	return big.NewInt(0).Sub(x, y)
}
func Add(x, y *big.Int) *big.Int {
	return big.NewInt(0).Add(x, y)
}

Submission Info

Judge Result