AtCoder Regular Contest 057

Submission #801740

Source codeソースコード

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

Task問題 C - 2乗根
User nameユーザ名 fmhr
Created time投稿日時
Language言語 Go (1.6)
Status状態 AC
Score得点 100
Source lengthソースコード長 720 Byte
File nameファイル名
Exec time実行時間 27 ms
Memory usageメモリ使用量 4480 KB

Test case

Set

Set name Score得点 / Max score Cases
Sample - s1.txt,s2.txt,s3.txt
All 100 / 100 01.txt,02.txt,03.txt,04.txt,05.txt,06.txt,07.txt,08.txt,09.txt,10.txt,11.txt,12.txt,13.txt,14.txt,15.txt,16.txt,17.txt,18.txt,19.txt,20.txt,21.txt,22.txt,23.txt,24.txt,25.txt,26.txt,27.txt,28.txt,29.txt,30.txt,31.txt,32.txt,33.txt,34.txt,35.txt,36.txt,37.txt,38.txt,39.txt,40.txt,41.txt,42.txt,43.txt,44.txt,45.txt,46.txt,47.txt,48.txt,49.txt,50.txt,51.txt,52.txt,53.txt,54.txt,55.txt,56.txt,s1.txt,s2.txt,s3.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
01.txt AC 4 ms 640 KB
02.txt AC 4 ms 640 KB
03.txt AC 4 ms 640 KB
04.txt AC 4 ms 640 KB
05.txt AC 4 ms 640 KB
06.txt AC 4 ms 640 KB
07.txt AC 4 ms 640 KB
08.txt AC 4 ms 640 KB
09.txt AC 4 ms 640 KB
10.txt AC 4 ms 640 KB
11.txt AC 4 ms 640 KB
12.txt AC 4 ms 640 KB
13.txt AC 4 ms 640 KB
14.txt AC 4 ms 640 KB
15.txt AC 4 ms 640 KB
16.txt AC 4 ms 640 KB
17.txt AC 4 ms 640 KB
18.txt AC 4 ms 640 KB
19.txt AC 4 ms 640 KB
20.txt AC 4 ms 640 KB
21.txt AC 4 ms 640 KB
22.txt AC 4 ms 640 KB
23.txt AC 4 ms 640 KB
24.txt AC 4 ms 640 KB
25.txt AC 4 ms 640 KB
26.txt AC 4 ms 640 KB
27.txt AC 21 ms 3328 KB
28.txt AC 21 ms 3328 KB
29.txt AC 21 ms 3328 KB
30.txt AC 21 ms 3328 KB
31.txt AC 21 ms 3328 KB
32.txt AC 21 ms 3328 KB
33.txt AC 21 ms 3328 KB
34.txt AC 21 ms 3328 KB
35.txt AC 21 ms 3328 KB
36.txt AC 21 ms 3328 KB
37.txt AC 19 ms 3200 KB
38.txt AC 19 ms 3200 KB
39.txt AC 19 ms 3200 KB
40.txt AC 19 ms 3200 KB
41.txt AC 22 ms 3328 KB
42.txt AC 20 ms 3328 KB
43.txt AC 4 ms 640 KB
44.txt AC 21 ms 3328 KB
45.txt AC 21 ms 3328 KB
46.txt AC 21 ms 3328 KB
47.txt AC 27 ms 4480 KB
48.txt AC 27 ms 4480 KB
49.txt AC 4 ms 640 KB
50.txt AC 4 ms 640 KB
51.txt AC 4 ms 640 KB
52.txt AC 4 ms 640 KB
53.txt AC 4 ms 640 KB
54.txt AC 4 ms 640 KB
55.txt AC 4 ms 640 KB
56.txt AC 4 ms 640 KB
s1.txt AC 4 ms 640 KB
s2.txt AC 4 ms 640 KB
s3.txt AC 4 ms 640 KB