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Lista_modulo_03.java
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34 lines (33 loc) · 916 Bytes
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//3 – utilizando variáveis globais
import java.util.*;
class Lista_modulo_03
{
static int a=1, b=1, c, n, sinal=1, den=2;
static double fra, soma=0;
public static void main (String[]args)
{
Scanner sc = new Scanner (System.in);
System.out.println("Escolha um numero maior do que 2 para o Fibonacci:");
n = sc.nextInt();
fra = sinal*(double) a/den;
soma = soma + fra;
System.out.println(a+"/"+den);
den = den + 2;
sinal = 1;
fra = sinal*(double) b/den;
soma = soma + fra;
System.out.println(b+"/"+den);
for(int i=2;i<n;i++)
{
c=a+b;
den = den+2;
sinal = sinal*(-1);
fra = sinal*(double) c/den;
soma = soma + fra;
System.out.println(c+"/"+den);
a=b;
b=c;
}
System.out.println("O resultado é:"+soma+".");
}
}