Submission

PPPPPP----

Score: 60

User: krittaphot

Problemset: อนุกรม

Language: cpp

Time: 0.002 second

Submitted On: 2024-10-11 21:21:12

#include <stdio.h>

int main()
{
	long long int n;
	scanf("%d",&n);
	if(n>90 || n<0)
		return 0;
	if(n==0){
		printf("1");
		return 0;
	}
	if(n==0){
		printf("1");
		return 0;
	}
	int arr[100];
	arr[0] = {1};
	arr[1] = {1};
	for(int i = 2;i<n;i++){
		arr[i]=arr[i-2]+arr[i-1];
	}
	printf("%lld",arr[n-1]);

}