1 #include <iostream>
2 #include <algorithm>
3 #include <cstring>
4 #include <cstdio>
5 #include <vector>
6 #include <cstdlib>
7 #include <iomanip>
8 #include <cmath>
9 #include <ctime>
10 #include <map>
11 #include <set>
12 #include <queue>
13 using namespace std;
14 #define lowbit(x) (x&(-x))
15 #define max(x,y) (x>y?x:y)
16 #define min(x,y) (x<y?x:y)
17 #define MAX 100000000000000000
18 #define MOD 1000000007
19 #define pi acos(-1.0)
20 #define ei exp(1)
21 #define PI 3.141592653589793238462
22 #define INF 0x3f3f3f3f3f
23 #define mem(a) (memset(a,0,sizeof(a)))
24 typedef long long ll;
25 ll gcd(ll a,ll b){
26 return b?gcd(b,a%b):a;
27 }
28 bool cmp(int x,int y)
29 {
30 return x>y;
31 }
32 const int N=10005;
33 const int mod=1e9+7;
34
35 int main()
36 {
37 std::ios::sync_with_stdio(false);
38
39 return 0;
40 }
