Victor Szultka
/
CPS_Lab1b_Fib_Recur
Recursive version of fibonacci sequence
Revision 1:e11556a745d4, committed 2020-12-05
- Comitter:
- saltire78
- Date:
- Sat Dec 05 12:56:50 2020 +0000
- Parent:
- 0:8f9265fb1552
- Commit message:
- .
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r 8f9265fb1552 -r e11556a745d4 main.cpp --- a/main.cpp Fri Jul 31 12:19:03 2020 +0000 +++ b/main.cpp Sat Dec 05 12:56:50 2020 +0000 @@ -1,20 +1,31 @@ -#include"mbed.h" +#include"mbed.h" //mbed header folder -Serial pc(USBTX,USBRX);//tx,rx -PwmOut led(LED1); -float brightness=0.0; +Serial pc(USBTX,USBRX); //tx,rx -int main(){ - pc.printf("Press 'u' to turn LED1 brightness up, 'd' to turn it down\n"); - while(1){ - char c =pc.getc(); - if((c=='u')&&(brightness<0.5)){ - brightness+=0.01; - led=brightness; - pc.putc('^');} - if((c=='d')&&(brightness>0.0)){ - brightness-=0.01; - led=brightness; - pc.putc('v');} - } +// create a function to generate a specific iteration value +int fib(int iter){ + if(iter == 0){ // when at the 1st base value return it (0) + return 0; + } + else if(iter == 1) { // when at the 2nd base value return it (1) + return 1; + } + else { + return (fib(iter-1) + fib(iter-2)); // when at any subsequent fibannaci iteration return the sum of the 2 previous iterations + } } + +int main() { + int i, iter; // define the unknown variables + pc.printf("Number of iterations: "); // ask for number of iterations + scanf("%d", &iter); // input number of iterations + pc.printf("\n\rFibonacci Series(%d iterations): ",iter); // print statement + + for(i = 0;i<iter;i++) { // loop for all iterations + pc.printf("%d ",fib(i)); // print the value of each given iteration + } + + pc.printf("\n\n\r"); // cosmetic - moves the carriage to new line so if reset for further values it will be clearly seperate + + return 0; // close out the program +} \ No newline at end of file