(URI) Soma de Ímpares Consecutivos II - Solução 1

import java.io.*;
import java.util.*;
import java.math.*;

class Main  {
    public static void main(String[] args) throws NumberFormatException, IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
       
        int entradas = leitor(br);
       
        for (int i = 0; i < entradas; i++) {
            int x = leitor(br);
            int y = leitor(br);
           
            int maior = Math.max(x, y);
            int menor = Math.min(x, y);
       
            int soma = 0;
            for (int j = menor+1; j < maior; j++) {
                if (j%2 == 1) {
                    soma += j;
                }
            }
           
            bw.write(soma+"\n");
        }

        bw.flush();       
        bw.close();
    }

    static int leitor(BufferedReader br) throws NumberFormatException, IOException {
       int n;
       int resp = 0;
       int sinal = 1;
       while (true) {
           n = br.read();
           if (n >= '0' && n <= '9') break;
           if (n == '-') sinal = -1;
           if (n == '+') sinal = 1;
       }
       while (true) {
           resp = resp*10 + n-'0';
           n = br.read();
           if (n < '0' || n > '9') break;
       }

       return resp*sinal;
    }
}