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  1. #include <stdio.h>//第０講演習 02-3
  2.  
  3. int sum1(int n){
  4. 	int i,sum=0;
  5. 	for(i=1;i<=n;i++){
  6. 		sum=sum+i;
  7. 	}
  8. 	return sum;
  9. }
  10. int sum2(int n){
  11. 	int i,sum=0;
  12. 	for(i=1;i<=n;i++){
  13. 		sum=sum+i*i;
  14. 	}
  15. 	return sum;
  16. }
  17. int sum3(int n){
  18. 	int i,sum=0;
  19. 	for(i=1;i<=n;i++){
  20. 		sum=sum+i*i*i;
  21. 	}
  22. 	return sum;
  23. }
  24. int sum4(int n){
  25. 	int i,sum=0;
  26. 	for(i=1;i<=n;i++){
  27. 		sum=sum+i*i*i*i;
  28. 	}
  29. 	return sum;
  30. }
  31. int func0(int n){
  32. 	int sum;
  33. 		sum=2*sum4(n)+3*sum3(n)+4*sum2(n)+5*sum1(n);
  34. 	return sum;
  35. }
  36. int main() {
  37. 	int s,n;
  38. 	for(n=1;n<=10;n++){
  39. 		s=func0(n);
  40. 		printf("func0(%d)=%d\n",n,s);
  41. 	}
  42. 	return 0;
  43. }
  44.  
Success #stdin #stdout 0s 5320KB
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func0(1)=14
func0(2)=96
func0(3)=390
func0(4)=1178
func0(5)=2928
func0(6)=6342
func0(7)=12404
func0(8)=22428
func0(9)=38106
func0(10)=61556
https://ideone.com/CBC8T8
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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