fork download
copy 
  1. #include <stdio.h>
  2.  
  3. int sum (int n){
  4. 	int i;
  5. 	int x=0;
  6. 	int y=n;
  7. 	int z=n;
  8. 	for(i=1; i<=n; i++){
  9. 		x = x + z;
  10. 		y = y*10;
  11. 		z = z + y;
  12. 	}
  13. 	return x;
  14. }
  15.  
  16. int main(void) {
  17. 	int n;
  18. 	scanf("%d",&n);
  19. 	printf("%d\n",sum(n));
  20. 	return 0;
  21. }
  22.  
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin
copy 
4
stdout
copy 
4936
https://ideone.com/0hwIVT
期末試験期末試験
language:
C99 (gcc 8.3)
created:
44 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!