View difference between Paste ID: Wg837WVq and 27JWdxLA

 #include <iostream>
 #include <cstdio>
 #include <cstdlib>
 #include <vector>
 #include <cmath>
-#include <set>
+
-#include <fstream>
+
 #include <iterator>
 #include <iomanip>
-#include <algorithm>
+
-#include <map>
+
-#include <queue>
+
 #define cbr(x) ((x)*(x)*(x))
 #define rep(c, i, n) for((i)=(c); (i)<(n); (i)++)
-#include <bitset>
+struct pt{long long x,y;};
-#include <unordered_set>
+double vecmul(pt a, pt b){ /*Векторное умножение А*В*/ return (a.x*b.y - b.x*a.y); } //скалярное умножение a*b = |a|*|b|*cos(a,b)
-#include <unordered_map>
+
 double dist(double ax, double ay, double bx, double by) { return sqrt(sqr(ax - bx) + sqr(ay - by)); }
 
 //DBG
 template<typename T, typename T2>void printarr(T  a[], T2 sz, T2 beg = 0) { for (T2 i = beg; i<sz; i++) cout << a[i] << " "; cout << endl; }
-//#define max(a, b) (((a)<(b))? (b):(a))
+
-//#define min(a, b) (((a)<(b))? (a):(b))
+
-#define all(a) a.begin(), a.end()
+
 
-#define _sp system("pause");
+
-#define _ln cout << "------------------------------------------------\n";
+
-#define FI(a, n) for(int i=a;i<n;i++)
+
-#define FJ(a, n) for(int j=a;j<n;j++)
+
-#define REP(a, b, c) for(int (c) = (a); (c) < (b); (c)++)
+
-#define rep(a, b, c) for(int (c) = (a); (c) < (b); (c)++)
+
-#define per(b, a, c) for(int (c) = (b); (c) >= (a); (c)--)
+
 #define eps   1e-14
 #define mod   1000000007
 #define ll long long
-#define pii pair<int, int>
+
-#define pll pair<ll, ll>
+
-#define mp(a, b) make_pair((a), (b))
+
-#define pb(a) push_back((a))
+
-#define x first
+
-#define y second
+
     return 0;
-#define x1 sasimathx1
+