백준 10870, 피보나치 수 5

#include "stdio.h"
 
#define mininput 2
#define maxinput 20
 
int arr_fibo[21]={0,};
 
int main(void){
    int input = 0;
    arr_fibo[0] = 0;
    arr_fibo[1] = 1;
 
    for(int i = mininput ; i <= maxinput; i++){
        arr_fibo[i] = arr_fibo[i-1]+arr_fibo[i-2];
    }
 
    scanf("%d", &input);
    printf("%d\n",arr_fibo[input]);
 
    return 0;
}