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[BE] ํ•œ์Šนํ˜„ ๐Ÿ‘†์—…๋‹ค์šด#15

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[BE] ํ•œ์Šนํ˜„ ๐Ÿ‘†์—…๋‹ค์šด#15
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๋ฏธ์…˜ ์‹คํ–‰ ๊ฒฐ๊ณผ
์ˆซ์ž!
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์•ŒํŒŒ๋ฒณ!
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๊ธฐ๋Šฅ๋ช…์„ธ์„œ
์ˆซ์ž๋ฒ„์ „: 1-100๊นŒ์ง€์˜ ์ˆซ์ž ์ค‘ ํ•˜๋‚˜์˜ ์ˆซ์ž๋ฅผ ๋งž์ถ”๋Š” ๊ฒŒ์ž„
์„ ํƒํ•œ ์ˆซ์ž๋ณด๋‹ค ๋†’์œผ๋ฉด UP ๋‚ฎ์œผ๋ฉด DOWN์„ ์ถœ๋ ฅํ•˜๊ณ  ๋ฒ”์œ„๋ฅผ ์ค„์—ฌ๋‚˜๊ฐ„๋‹ค.
๋งŒ์•ฝ ๋ฒ”์œ„ ๋ฐ–์˜ ์ˆซ์ž๋‚˜ ๋ฌธ์ž๋ฅผ ์ถœ๋ ฅํ•  ๊ฒฝ์šฐ ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅ ํ›„ ์žฌ์ž…๋ ฅํ•˜๊ฒŒ ํ•œ๋‹ค.
์˜์–ด๋ฒ„์ „: A-z๊นŒ์ง€์˜ ์•ŒํŒŒ๋ฒณ ์ค‘ ํ•˜๋‚˜๋ฅผ ๋งž์ถ”๋Š” ๊ฒŒ์ž„
์„ ํƒํ•œ ์•ŒํŒŒ๋ฒณ๋ณด๋‹ค ๋†’์œผ๋ฉด UP ๋‚ฎ์œผ๋ฉด DOWN์„ ์ถœ๋ ฅํ•˜๊ณ  ๋ฒ”์œ„๋ฅผ ์ค„์—ฌ๋‚˜๊ฐ„๋‹ค.
๋งŒ์•ฝ ๋ฒ”์œ„ ๋ฐ–์˜ ์•ŒํŒŒ๋ฒณ์ด๋‚˜ ์ˆซ์ž๋ฅผ ์ถœ๋ ฅํ•  ๊ฒฝ์šฐ ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅ ํ›„ ์žฌ์ž…๋ ฅํ•˜๊ฒŒ ํ•œ๋‹ค.

๊ตฌํ˜„ ์ค‘ ๋ฌธ์ œ์ 

  1. ์˜ˆ์™ธ์ฒ˜๋ฆฌ๋ฅผ ๋”ฐ๋กœ ๋งŒ๋“ค์–ด์„œ ํ•œ ๊ฒƒ์ด ์•„๋‹Œ while๊ณผ if๋ฌธ์„ ์‚ฌ์šฉํ•ด์„œ ๊ตฌํ˜„ํ–ˆ๊ธฐ์— ์ด๋ฅผ ๋ฐ”๊ฟ”์•ผ ํ•  ํ•„์š”๊ฐ€ ์žˆ๋‹ค๋Š” ๊ฒƒ์„ ๋’ค๋Šฆ๊ฒŒ ์•Œ์•˜๋‹ค. -> ์ด๋Š” ํ•ด๊ฒฐํ•ด์„œ ์—…๋ฐ์ดํŠธ ํ•  ์˜ˆ์ •!!
  2. ๋งŽ์€ ํด๋ž˜์Šค๋กœ ๊ตฌ๋ถ„ํ•ด์„œ ๊ตฌํ˜„ํ•˜๊ณ  ์‹ถ์€๋ฐ ์•„์ง ์‰ฝ์ง€๊ฐ€ ์•Š๋‹ค!!-> ๋งŽ์€ ํ”ผ๋“œ๋ฐฑ ๋ถ€ํƒ๋“œ๋ฆฝ๋‹ˆ๋‹ค!!

Comment on lines +38 to +60
while (!scanner.hasNextInt()) {
System.out.println("[ERROR] ์กด์žฌํ•˜์ง€ ์•Š๋Š” ๋ฒ„์ „์ž…๋‹ˆ๋‹ค.");
scanner.next(); // ๋ฒ„ํผ์—์„œ ์ž…๋ ฅ ์ œ๊ฑฐ
}
number = scanner.nextInt();
if (number < tryMin || number > tryMax ) {
System.out.println("[ERROR] ๋ฒ”์œ„ ๋‚ด์˜ ์ˆซ์ž๋ฅผ ์ž…๋ ฅํ•˜์„ธ์š”.");
continue;
}
tried++;
if (number < answer) {
System.out.println("UP");
tryMin = Math.max(tryMin, number + 1);
System.out.println("์ˆซ์ž๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”("+tryMin+"~" +tryMax+"): " );
} else if (number > answer) {
System.out.println("DOWN");
tryMax = Math.min(tryMax, number - 1);
System.out.println("์ˆซ์ž๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”("+tryMin+"~" +tryMax+"): " );
} else {
System.out.println("์ •๋‹ต!");
System.out.println("์‹œ๋„ํ•œ ํšŸ์ˆ˜:" + tried);
}
} while (number != answer);
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๋ฐ์ดํ„ฐ๋ฅผ ์ž…๋ ฅ๋ฐ›๋Š” ํ•จ์ˆ˜, ์ถœ๋ ฅํ•˜๋Š” ํ•จ์ˆ˜๋ฅผ ๋”ฐ๋กœ ๋ถ„๋ฆฌํ•ด๋ณด๋ฉด ์–ด๋–จ๊นŒ์š”? numVersion์— ๋„ˆ๋ฌด ๋งŽ์€ ๊ธฐ๋Šฅ์ด ํฌํ•จ๋˜์–ด ์žˆ๋Š”๊ฒƒ ๊ฐ™์•„์š”.
๊ทธ๋ฆฌ๊ณ  do while๋ฌธ์— while์„ ์ค‘์ฒฉํ•ด์„œ ์“ฐ๊ธฐ๋ณด๋‹ค while๋ฌธ์„ ๊ณ„์† ๋Œ๋‹ค๊ฐ€ ํ•˜๋‚˜์˜ ์–ด๋–ค ์กฐ๊ฑด์„ ๋งŒ๋‚˜๋ฉด ๋ฐ˜๋ณต๋ฌธ์„ ํƒˆ์ถœํ•˜๋Š” ๋ฐฉ์‹์œผ๋กœ ๊ตฌ์„ฑํ•˜๋Š”๊ฒƒ๋„ ๊ณ ๋ คํ•ด๋ณด์…จ์œผ๋ฉด ์ข‹๊ฒ ์Šต๋‹ˆ๋‹ค!

Comment on lines +63 to +95
public static void engVersion(Scanner y){
Random random=new Random();
char answer= (char)(random.nextInt(26)+'A');
char english;
int tried=0;
char tryMin='A';
char tryMax='z';
Scanner scanner=new Scanner(System.in);
System.out.println("์˜์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”(A ~ z) : ");
do{
english=scanner.next().charAt(0);
if ((english < 'A' || english > 'Z') && (english < 'a' || english > 'z')) {
System.out.println("[ERROR] ๋ฒ”์œ„ ๋‚ด์˜ ์•ŒํŒŒ๋ฒณ์„ ์ž…๋ ฅํ•˜์„ธ์š”.");
System.out.println("์˜์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”("+tryMin+ "~" +tryMax+")");
continue;
}
tried++;
if(english<answer){
System.out.println("UP");
tryMin=(char)Math.max(tryMin,(char)(english+1));
System.out.println("์˜์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”("+tryMin+ "~" +tryMax+")");
}
else if(english>answer){
System.out.println("DOWN");
tryMax=(char)Math.min(tryMax,(char)(english-1));
System.out.println("์˜์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”("+tryMin+ "~" +tryMax+")");
}
else{
System.out.println("์ •๋‹ต!");
System.out.println("์‹œ๋„ํ•œ ํšŸ์ˆ˜:"+tried);
}
}while(english!=answer);
scanner.close();
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์œ„์˜ ํ”ผ๋“œ๋ฐฑ๊ณผ ๋™์ผํ•ฉ๋‹ˆ๋‹ค! ๊ณ ์ƒํ•˜์…จ์–ด์š”!

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2 participants