fork download 
  1. #include <stdio.h>
  2. //a{n+1} = -2a{n} + 4, a{0}=2(再帰なし版)
  3. int main(void) {
  4.     int n = 4;
  5. int an=2;
  6. for(int i=0;i<n;i++){
  7. an=-2*an+4;
  8.  }   printf("数列a%dの値は%d\n", n, an);
  9.  
  10. 	return 0;
  11. }
  12.  
  13.  
Success #stdin #stdout 0s 5288KB
comments (?)
stdin 
Standard input is empty
stdout 
数列a4の値は12
https://ideone.com/GnVcCa
language:
C (gcc 8.3)
created:
72 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!