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  1. #include <stdio.h>
  2. //練習問題G
  3. int main(void) {
  4. 	int n = 3;
  5.     int an,bn,cn;
  6.     an=1;
  7.     bn=2;
  8.     cn=-2;
  9.     for(int i=0;i<n;i++){
  10.     cn=cn+2*bn+-2*an;
  11.     }
  12.     printf("数列anについて, n=%dのときの値は%d\n", n, cn);
  13. 	return 0;
  14. }
  15.  
Success #stdin #stdout 0s 5284KB
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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4
https://ideone.com/Zh8e9K
language:
C (gcc 8.3)
created:
8 days ago
visibility:
public

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