Submission

PPPPPPPPPP

Score: 100

User: jxkrpn

Problemset: อนุกรม

Language: c

Time: 0.001 second

Submitted On: 2024-09-25 16:48:30

#include<stdio.h>
int main(){
    int n,i;
    long long int x=1,y=1,next;
    scanf("%d",&n);
    next = x+y;
	if(n>2){
		for(i=3;i<n;i++){
		x=y;
		y=next;
		next=x+y;
	}
	}else{
		next=x;
	}
    printf("%llu",next);
}