求降级到入门（C语言递推）

#include<stdio.h>

long long fib[70]={0,1,1,2,3,5,8,13,21,34};

int main(){
    for (int i=10;i<=60;i++){
        fib[i]=fib[i-1]+fib[i-2];
    }
    int n;
    scanf("%d",&n);
    printf("%lld",fib[n]);
}