結果
| 問題 |
No.22 括弧の対応
|
| コンテスト | |
| ユーザー |
threepipes_s
|
| 提出日時 | 2015-02-17 00:10:44 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 51 ms / 5,000 ms |
| コード長 | 2,238 bytes |
| コンパイル時間 | 5,485 ms |
| コンパイル使用メモリ | 78,340 KB |
| 実行使用メモリ | 37,044 KB |
| 最終ジャッジ日時 | 2024-07-20 06:57:58 |
| 合計ジャッジ時間 | 3,689 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| other | AC * 19 |
ソースコード
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
import java.util.TreeSet;
public class Main {
public static boolean result[];
public static int dp[][];
public static void main(String[] args) throws NumberFormatException, IOException{
ContestScanner in = new ContestScanner();
int n = in.nextInt();
int k = in.nextInt()-1;
String s = in.nextToken();
int count = 0;
int res = 0;
if(s.charAt(k) == ')'){
for(int i=k; i>=0; i--){
if(s.charAt(i) == ')') count++;
else count--;
if(count == 0){
res = i;
break;
}
}
}else{
for(int i=k; i<n; i++){
if(s.charAt(i) == '(') count++;
else count--;
if(count == 0){
res = i;
break;
}
}
}
System.out.println(res+1);
}
}
class MyComp implements Comparator<int[]>{
public int compare(int[] a, int[] b) {
return a[0] - b[0];
}
}
class Reverse implements Comparator<Integer>{
public int compare(Integer arg0, Integer arg1) {
return arg1 - arg0;
}
}
class Node{
int id;
List<Node> edge = new ArrayList<Node>();
public Node(int id){
this.id = id;
}
public void createEdge(Node node){
edge.add(node);
}
}
class ContestScanner{
private BufferedReader reader;
private String[] line;
private int idx;
public ContestScanner() throws FileNotFoundException{
reader = new BufferedReader(new InputStreamReader(System.in));
}
public ContestScanner(String filename) throws FileNotFoundException{
reader = new BufferedReader(new InputStreamReader(new FileInputStream(filename)));
}
public String nextToken() throws IOException{
if(line == null || line.length <= idx){
line = reader.readLine().trim().split(" ");
idx = 0;
}
return line[idx++];
}
public long nextLong() throws IOException, NumberFormatException{
return Long.parseLong(nextToken());
}
public int nextInt() throws NumberFormatException, IOException{
return (int)nextLong();
}
public double nextDouble() throws NumberFormatException, IOException{
return Double.parseDouble(nextToken());
}
}
threepipes_s