fork download
copy 
  1. #include <stdio.h>
  2. //課題B-1: 1からnまでの和を求めるコードを完成させてください
  3. int sum(int n){
  4. 	int sum = 0;
  5. 	while(n>=1){
  6. 		sum += n;
  7. 		n--;
  8. 	}
  9. 	return (sum);
  10. }
  11.  
  12. int main(void) {
  13. 	int a,b;
  14.     a = 9;
  15.     b = sum(a);
  16.     printf("1から%dまでの和は%d", a,b );
  17. 	return 0;
  18. }
  19.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
1から9までの和は45
https://ideone.com/q6gl8c
language:
C (gcc 8.3)
created:
7 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!