結果

問題 No.1020 Reverse
ユーザー watarimaycry2
提出日時 2020-10-24 17:11:06
言語 JavaScript
(node v23.5.0)
結果
AC  
実行時間 141 ms / 2,000 ms
コード長 2,082 bytes
コンパイル時間 32 ms
コンパイル使用メモリ 5,248 KB
実行使用メモリ 53,248 KB
最終ジャッジ日時 2024-07-21 15:19:33
合計ジャッジ時間 3,123 ms
ジャッジサーバーID
(参考情報)
judge1 / judge2
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 15
権限があれば一括ダウンロードができます

ソースコード

diff #

//Don't have to see. start------------------------------------------
var read = require('readline').createInterface({
	input: process.stdin, output: process.stdout
});
var obj; var inLine = [];
read.on('line', function(input){inLine.push(input);});
read.on('close', function(){
	obj = init(inLine);
	console.error('\n↑入力 ↓出力');
	Main();
});
function makeClone(obj){return (obj instanceof Set) ? new Set(Array.from(obj)) : JSON.parse(JSON.stringify(obj));}
function nextInt(){return myconv(next(),1);} function nextStrArray(){return myconv(next(),2);}
function nextIntArray(){return myconv(next(),4);} function nextCharArray(){return myconv(next(),6);}
function next(){return obj.next();} function hasNext(){return obj.hasNext();}
function init(input){  
	return {
		list : input, index : 0, max : input.length,
		hasNext : function(){return (this.index < this.max);},
		next : function(){if(this.hasNext()){return this.list[this.index++];}else{throw 'ArrayIndexOutOfBoundsException ‚There is no more input';}}
	};
}
function myout(s){console.log(s);}
function myerr(s){console.error('debug:' + require('util').inspect(s,false,null));}
//param "no" is
//unknown or outlier : return i. 1: parseInt.
//2: split space. 4: split space and parseInt.
//6: split 1 character. 7: split 1 character and parseInt.
//8: join space. 9: join nextline. 0: join no character.
function myconv(i,no){try{switch(no){case 1:return parseInt(i);case 2:return i.split(' ');case 4:return i.split(' ').map(Number);case 6:return i.split('');case 7:return i.split('').map(Number);case 8:return i.join(' ');case 9:return i.join('\n');case 0:return i.join('');default:return i;}}catch(e){return i;}}

//Don't have to see. end------------------------------------------
function Main(){
	var one = nextIntArray();
	var N = one[0];
	var K = one[1];
	var s = next();
	var output = "";
	var move = "";
	for(var i = 0; i < K - 1; i++){
		if(K % 2 == N % 2){
			move = s[i] + move;
		}else{
			move += s[i];
		}
	}
	for(var i = K - 1; i < N; i++){
		output += s[i];
	}
	output += move;
	myout(output);
}
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