백준 9093 자바

https://www.acmicpc.net/problem/9093

9093번: 단어 뒤집기

근데.. 하나도 통과가 안됐다..

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Stack;

public class baekjoon_9093_01_시간초과 {

	public static void main(String[] args) throws NumberFormatException, IOException {
		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int TC = Integer.parseInt(br.readLine());
		
		Stack<String> stack = new Stack<String>();
		
		for(int tc = 0; tc < TC; tc ++) {
			
			String[] temp1 = br.readLine().split(" ");
			for(int i =0; i < temp1.length; i++) {
				String[] temp2 = temp1[i].split("");
				
				for(int j=0; j< temp2.length; j++) {
					stack.push(temp2[j]);
				}
				for(int j=0; j< temp2.length; j++) {
					System.out.print(stack.pop());
					
				}
				System.out.print(" ");
			}
			
			
		}
		
	}
}

 

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Stack;

public class baekjoon_9093_02_시간초과 {
	public static void main(String[] args) throws NumberFormatException, IOException {
		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int TC = Integer.parseInt(br.readLine());
	
		
		for(int tc = 0 ; tc < TC; tc++) {
			Stack<String> stack = new Stack<String>();
			String[] temp = br.readLine().split("");
			for(int i = 0 ; i < temp.length; i++) {
				if(temp[i].equals(" ") ) {
					while(stack.size() > 0) {
						System.out.print(stack.pop());
					}
					System.out.print(" ");
				}else {
					stack.push(temp[i]);
				}
			}
			System.out.print(" ");
			while(stack.size() > 0) {
				System.out.print(stack.pop());
			}
			
		}
		
		 br.close();
	}
}

 

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class baekjoon_9093_03_시간초과 {
	public static void main(String[] args) throws NumberFormatException, IOException {
		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int TC = Integer.parseInt(br.readLine());
		
		for (int tc = 0; tc < TC; tc++) {
			String[] temp = br.readLine().split(" ");

			for (int i = 0; i < temp.length; i++) {
				String[] temp2 = temp[i].split("");
				for (int j = temp[i].length()-1; j >= 0; j--) {
					System.out.print(temp2[j]);
				}
				System.out.print(" ");
			}
		}
		
	}
}

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class baekjoon_9093_04_메모리초과 {
	public static void main(String[] args) throws NumberFormatException, IOException {
		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringBuilder sb = new StringBuilder();
		int TC = Integer.parseInt(br.readLine());
		
		for (int tc = 0; tc < TC; tc++) {
			String[] temp = br.readLine().split(" ");

			for (int i = 0; i < temp.length; i++) {
				String[] temp2 = temp[i].split("");
				for (int j = temp[i].length()-1; j >= 0; j--) {
					sb.append(temp2[j]);
				}
				sb.append(" ");
			}
			
			System.out.print(sb);
		}
		
	}
}