結果
問題 | No.806 木を道に |
ユーザー | watarimaycry2 |
提出日時 | 2020-10-24 18:03:32 |
言語 | JavaScript (node v21.7.1) |
結果 |
AC
|
実行時間 | 1,420 ms / 2,000 ms |
コード長 | 2,423 bytes |
コンパイル時間 | 138 ms |
コンパイル使用メモリ | 6,816 KB |
実行使用メモリ | 86,692 KB |
最終ジャッジ日時 | 2024-07-21 15:22:27 |
合計ジャッジ時間 | 11,968 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 85 ms
40,320 KB |
testcase_01 | AC | 78 ms
40,320 KB |
testcase_02 | AC | 79 ms
40,704 KB |
testcase_03 | AC | 78 ms
40,320 KB |
testcase_04 | AC | 77 ms
40,192 KB |
testcase_05 | AC | 80 ms
40,320 KB |
testcase_06 | AC | 79 ms
40,704 KB |
testcase_07 | AC | 78 ms
40,448 KB |
testcase_08 | AC | 77 ms
40,192 KB |
testcase_09 | AC | 79 ms
40,192 KB |
testcase_10 | AC | 251 ms
59,260 KB |
testcase_11 | AC | 224 ms
58,780 KB |
testcase_12 | AC | 605 ms
75,836 KB |
testcase_13 | AC | 487 ms
69,956 KB |
testcase_14 | AC | 595 ms
75,012 KB |
testcase_15 | AC | 625 ms
76,196 KB |
testcase_16 | AC | 306 ms
62,108 KB |
testcase_17 | AC | 567 ms
72,672 KB |
testcase_18 | AC | 142 ms
51,712 KB |
testcase_19 | AC | 245 ms
60,344 KB |
testcase_20 | AC | 558 ms
72,828 KB |
testcase_21 | AC | 392 ms
65,124 KB |
testcase_22 | AC | 697 ms
79,400 KB |
testcase_23 | AC | 699 ms
79,664 KB |
testcase_24 | AC | 337 ms
67,672 KB |
testcase_25 | AC | 397 ms
74,268 KB |
testcase_26 | AC | 434 ms
62,656 KB |
testcase_27 | AC | 1,420 ms
86,692 KB |
testcase_28 | AC | 98 ms
43,008 KB |
ソースコード
//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 N = nextInt(); var list = new Array(N); for(var i = 0; i < N; i++){ list[i] = { child : new Set(), access : false }; } for(var i = 0; i < N - 1; i++){ var tmp = nextIntArray(); list[tmp[0] - 1].child.add(tmp[1] - 1); list[tmp[1] - 1].child.add(tmp[0] - 1); } var output = 0; var queue = [0]; list[0].access = true; while(queue.length > 0){ var now = queue.shift(); output += Math.max(0, list[now].child.size - 2); var child = Array.from(list[now].child); for(var i = 0; i < child.length; i++){ if(!list[child[i]].access){ list[child[i]].access = true; queue.push(child[i]); } } } myout(output); }