Eis um algoritmo que serve para calcular a famosa série do matemático Fibonacci. O sistema funciona com o usuário escolhendo as opções fornecidas pelo MENU GERAL, então se a escolha for 1 pede-se, em seguida, o limite da série. Se escolhido 2, mostra-se informações do algoritmo. Se fornecido 3 então o programa aborta a execução e sai.

Por favor, mandem sugestões ou críticas, afinal é errando que se aprende, ainda mais em programação!

The Unforgiven.

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Esconder código-fonte

#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
int fibonacci(int i)
{
    if((i==0)||(i==1))
    return i;
    else
    return fibonacci(i-1)+fibonacci(i-2);
}

int main()
{
    int n,i,f=0,escolha=0;
    system("color 02");
    do{
        system("cls");
        printf("                    * - - - - - - - - - - - - - - - - - - -*\n");
        printf("                    |            & MENU GERAL &            |\n");
        printf("                    | - - - - - - - - - - - - - - - - - - -|\n");
        printf("                    | (1)-Inicia Serie                     |\n");
        printf("                    |                                      |\n");
        printf("                    | (2)-Sobre o Algoritmo                |\n");
        printf("                    |                                      |\n");
        printf("                    | (3)-Sair                             |\n");
        printf("                    * - - - - - - - - - - - - - - - - - - -*\n");
        scanf("%d",&escolha);
        switch(escolha){
                        case 1:
                             {
                                 printf("Forneca o limite da Serie.\n");
                                 scanf("%d",&n);
                                 while(n < 0){
                                      printf("Forneca um numero positivo para a serie!Depois pressione ENTER.\n");
                                      scanf("%d",&n);
                                      getch();
                                      }
                                 for(i=0;i<n;i++)
                                 fibonacci(i);
                                 for(i=0;i<n;i++)
                                 printf("Fibonacci(%d)=%d\n",++f,fibonacci(i));
                                 f=0;
                                 printf("-------------------------------------\n");
                                 printf("A serie de Fibonacci consiste em\n");
                                 printf("F(n)={0 se n=0 , 1 se n=1 ,(n-1)+(n-2) outros casos.\n");
                                 printf("Pressione ENTER.\n");
                                 getch();
                                 break;
                                         }
                             case 2:
                                  {
                                         printf("Desenvolvido por:\n");
                                         printf("!===================================!\n");
                                         printf("!      Nome:Felipe Leao             !\n");
                                         printf("!      Curso:Ciencia da Computacao  !\n"); 
                                         printf("!      Periodo:IV                   !\n");
                                         printf("!      Disciplina:APA               !\n");
                                         printf("!      Instituicao: UNIPAC          !\n");
                                         printf("!===================================!\n");
                                         printf("Este algoritmo foi escrito em Linguagem C utilizando a ideia de recursividade.\n");
                                         printf("Futuramente sera incluido a divisao dos elementos dessa serie que servira\npara aproximacao da Proporcao Divina.\n");
                                         printf("Pressione ENTER.\n");
                                         getch();
                                         printf("\n\n");
                                         break;
                                         }
                                         case 3:
                                              {
                                                        printf("\aOBRIGADO POR USAR ESTE APLICATIVO!\n");
                                                        printf("Saindo...\n");
                                                        getch();
                                                        exit(0);
                                                        break;
                                                        }
                                         default:
                                                 {
                                                     printf("Forneca uma opcao valida.Voltando ao MENU GERAL.\n");
                                                     printf("Pressione ENTER.\n");
                                                     getch();
                                                     break;
                                                     }
                                                     }
                                                     }while(escolha !=3);
                                                     getch();
                                                     return 0;
                                                     }
    

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