谁家斐波那契题目是后台数据错误的我🥥你🐎

#include <iostream>
const int MOD = 1000;

int fibonacci(int n) {
    if (n <= 2) {
        return 1;
    }
    int a = 1, b = 1, c;
    for (int i = 3; i <= n; ++i) {
        c = (a + b) % MOD;
        a = b;
        b = c;
    }
    return c;
}

int main() {
    int t;
    std::cin >> t;
    while (t--) {
        int n;
        std::cin >> n;
        std::cout << fibonacci(n) << std::endl;
    }
    return 0;
}