#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define fi first
#define se second
#define lson p << 1
#define rson p << 1 | 1
const int maxn = 1e5 + 5, inf = 1e18, maxm = 4e4 + 5;
const int N = 1e6;
const int mod = 1e9 + 7;
// const int mod = 998244353;
//const __int128 mod = 212370440130137957LL;
// int a[505][5005];
// bool vis[505][505];
int n, m;
int a[maxn];
string s;
struct Node{
// int val, id;
// bool operator<(const Node &u)const{
// return va
【开源社区openEuler实践】 (Div. 2) D2. Zero-One
于 2024-04-23 01:03:04 首次发布