求助exgcd

#include<iostream>
#include<algorithm>
#include<cmath>
#define ll long long
using namespace std;
int x, y;
void exgcd(int a, int b){
	if(!b){
		x = 1, y = 0;
		return;
	}
	exgcd(b, a%b);
	int t = x;
	x = y, y = t - a/b*y;
}
int main(){
	int n, p;
	cin >> n >> p;
	for(int i = 1; i <= n; i++){
		exgcd(i, n);
		cout << (x%p+p) % p << "\n";
	}
	return 0;
}