Ha8Lgk - Online C Compiler & Debugging Tool

#include <stdio.h>
//フィボナッチ数列(再帰なし版)
int main(void) {
    int n = 10;
//ここを埋める
   int a,b=1,c=1;
  if(n == 1){
  	a = 1;
  }
  else if(n == 2){
  	a = 1;
  }
  else{
    for(int i = 3; i <= n; i++){
//ここも埋め

      a = b + c;
      c = b;
      b = a;

    }
  }
    printf("フィボナッチ数列の第%d項は%d\n", n, a);
	return 0;
}