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  1. #include <stdio.h>
  2.  
  3. int sum(int m,int n){
  4. 	if(m>n){
  5. 		return 0;
  6. 	}
  7. 	else if(m == n){
  8. 		return m;
  9. 	}
  10. 	else {
  11. 		return m+sum(m+1,n);
  12. 	}
  13.  
  14. }
  15.  
  16. int main(){
  17. 	int a,b;
  18. 	scanf("%d %d", &a, &b);
  19. 	if(a>0&&b>=a){
  20. 		int result=sum(a,b);
  21. 		printf("%dから%dまでの値は%dです",a,b,result);
  22. 	}
  23. return 0;
  24. }
Success #stdin #stdout 0.01s 5324KB
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1 5
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1から5までの値15です
https://ideone.com/ttxV7a
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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