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  1. #include <stdio.h>
  2. //練習問題F
  3.  
  4. int main(void) {
  5. 	int n = 3;
  6. 	int sum;
  7.     int a=-1;
  8.     int i;
  9.     for(i=1;i<=n;i++){
  10. 		sum=3*a+ 5;
  11.         a=sum;
  12. 	}
  13. 	printf("数列anについて, n=%dのときの値は%d\n", n,sum);
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0.01s 5288KB
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Standard input is empty
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数列anについて, n=3のときの値は38
https://ideone.com/5jYX9B
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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