#include <bits/stdc++.h>
#define IOS ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#define _zero(a) memset(a, 0, sizeof(a))
#define _far(a) memset(a, 0x3f,sizeof (a))
#define __far(a) memset(a, -0x3f,sizeof (a))
#define far 0x3f3f3f3f
#define endl '\n'
#define int long long
#define xx first
#define yy second
#define all(a) (a).begin(), (a).end()
#define rall(a) (a).rbegin(), (a).rend()
#define rep(a,b,c) for(int (a) = (b);(a)<=(c);(a)++)
#define per(a,b,c) for(int (a)=(b);(a)>=(c);(a)--)
#define sqr(a) (a)*(a)
#define VI vector<int>
#define VII vector<vector<int>>
#define pb push_back
#define PII pair<int,int>
typedef long long ll;
typedef double dd;
typedef long double ld;
using namespace std;
const int inf = 1e10;
const int mod = 998244353;
const int maxn = 2e5 + 1000;
const ld pi = atan2(0, -1);//arctan(y/x);
const ld eps = 1e-4;
int gcd(int a,int b){return b?gcd(b,a
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最新推荐文章于 2024-08-01 19:58:30 发布