Submission

Score: 50

User: winkawin2552

Problemset: อนุกรม

Language: c

Time: 1.097 second

Submitted On: 2025-10-10 14:21:05

#include <stdio.h>

int fib(int n){
    if(n <= 0 || n == 1) return 1;
    return fib(n-2)+ fib(n-1);
}

int main(){
    int n;
    scanf("%d", &n);
    printf("%d", fib(--n));
    return 0;
}