fork download
copy 
  1. #include <stdio.h>
  2. // 練習問題D
  3. int func(int n) {
  4.     if (n == 0) {
  5.         return -1; // 停止条件：a_0 = -1
  6.     }
  7.     return 3 * func(n - 1) + 5; // 再帰ステップ：a_n = 3 * a_{n-1} + 5
  8. }
  9.  
  10. int main(void) {
  11.     int n = 3, m;
  12.     m = func(n);
  13.     printf("数列anについて、n=%dのときの値は%d\n", n, m);
  14.     return 0;
  15. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
数列anについて、n=3のときの値は38
https://ideone.com/L8dWAB
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!