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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	// your code goes here
  5.  int data[10],n=0,i;
  6.  data[0]=1;
  7.  data[1]=2;
  8.  for(i=2;i<10;i++){
  9.  data[i]=3*data[i-1]+2*data[i-2];}
  10.  for(i=0;i<=10;i++){
  11.  if((data[i]>=100)&&(data[i]<=10000))
  12.  n=n+1;}
  13.  printf("%d",n);
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5320KB
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https://ideone.com/gjRa2E
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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