Submission

Score: 50

User: SushiCodelnw

Problemset: อนุกรม

Language: c

Time: 1.094 second

Submitted On: 2025-09-25 12:38:00

#include <stdio.h>

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

int main() {
    int n;
    scanf("%d", &n);
    printf("%d\n", fib(n - 1));

    return 0;
}