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  1. #include <stdio.h>
  2. #define N 100
  3. int seq(int n) {
  4. 	int s[N];
  5. 	int i;
  6. 	s[0] = 1;
  7. 	s[1] = 2;
  8. 	for(i = 2; i <= n; i++) {
  9. 		s[i] = 2 * s[i - 1] + s[i - 2];
  10. 	}
  11. 	return s[n];
  12. }
  13. int main() {
  14. 	int n = 4;
  15. 	printf("seq(%d)=%d", n, seq(n));
  16. 	return 0;
  17. }
  18.  
Success #stdin #stdout 0.01s 5316KB
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stdin
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Standard input is empty
stdout
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seq(4)=29
https://ideone.com/9lJyqX
language:
C (gcc 8.3)
created:
6 days ago
visibility:
public

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