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@nabetama
nabetama / f.js
Last active April 10, 2024 06:58
JavaScriptで頭の体操をしよう!『JS体操』
// https://hubspot.kayac.com/js-taiso-001
// c: center
// r: relative
export default function f(x) {
var r = 0.2; // 半径
// xの値によって弧の中心を求める
var idx = Math.floor(x /0.2); // 弧のインデックス
var cX = idx * 0.2; // 弧の中心のx
var cY = r + idx * r; // 弧の中心のy
@nabetama
nabetama / rot13.go
Created April 13, 2022 14:19
ROT13
// https://go-tour-jp.appspot.com/methods/23
type rot13Reader struct {
r io.Reader
}
func (r13 *rot13Reader) Read(b []byte) (int, error) {
n, err := r13.r.Read(b)
for i := 0; i < n; i++ {
if b[i] > 'A' && b[i] < 'z' {
if b[i] > 'z'-13 {
func fibonacci() func() int {
x, y := 1, 0
return func() int {
x, y = y, x+y
return x
}
}
import java.util.Arrays;
public class Main {
public static void main(String[] args) {
int count = 0;
for(Secret secret : Secret.values()) {
if (secret.name().startsWith("STAR")) {
count += 1;
}
enum Currency {
USD(""),
EUR(""),
GBP(""),
RUB(""),
UAH(""),
KZT(""),
CAD(""),
JPY(""),
CNY(""),
import java.util.*;
import java.util.stream.Collectors;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int companies = scanner.nextInt();
List<Integer> incomes = scanner.tokens().limit(companies).mapToInt(Integer::parseInt).boxed()
import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int companyNum = scanner.nextInt();
List<Integer> incomes = new ArrayList<>();
List<Integer> taxPer = new ArrayList<>();
package machine;
import java.security.KeyStore.TrustedCertificateEntry;
import java.util.Scanner;
public class CoffeeMachine {
private static int water = 400;
private static int milk = 540;
private static int beans = 120;
package machine;
import java.util.Scanner;
public class CoffeeMachine {
private static int water = 400;
private static int milk = 540;
private static int beans = 120;
private static int cups = 9;
package machine;
import java.util.Scanner;
public class CoffeeMachine {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("Write how many ml of water the coffee machine has:");
int water = sc.nextInt();