CSAcademy Square Cover
#include<bits/stdc++.h> using namespace std; #define fast ios_base::sync_with_stdio(0) #define bfast cin.tie(0) #define outs(x) cout << x << " " #define outn(x) cout << x << "\n" #define sf scanf #define pf printf #define pfn(x , k) printf(k , x) #define nl puts("") #define psb push_back #define mset(c,v) memset(c , v , sizeof c) #define loop0(n) for(int i=0; i<n; i++) #define loop1(n) for(int i=1; i<=n; i++) #define mpair(x , y) make_pair(x , y) #define all(x) x.begin(), x.end() #define pi acos(-1.0) #define psb push_back #define clr clear() typedef unsigned long long ull; typedef long long LL; typedef vector<int>vii; typedef vector<LL>vll; typedef vector<string>vs; typedef map<int, int>mpii; typedef map<string, int>mpsi; typedef map<char, int>mpci; typedef map<LL, LL>mpll; typedef map<pair<int, int> , bool >mppbl; const int mod = 1000007; const int high = 300+5; in