Submission

Score: 100

User: Jokul

Problemset: อนุกรม

Language: c

Time: 0.001 second

Submitted On: 2025-05-24 14:25:13

#include<stdio.h>
int main(){
long long int n,sum=0;
scanf("%lld",&n);
long long int fe[n];
fe[0]=1;
fe[1]=1;
for(long long int i=2;i<n;i++)
{
    fe[i]=0;
}
for(long long int i=2;i<n;i++)
{
    fe[i]=fe[i-1]+fe[i-2];
}
printf("%lld",fe[n-1]);
}