Submission #314292

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
314292	2020-10-19 14:00:04	MetB	Dragon 2 (JOI17_dragon2)	C++14	60 / 100	4085 ms	51560 KiB

dragon2

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#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
 
using namespace __gnu_pbds;
 
#define N 200001
 
using namespace std;
 
 
typedef unsigned long long ull;
typedef long long ll;
typedef long double ld;
 
const ll INF = 1e18, MOD = 1e9 + 7, MOD2 = 1e6 + 3;
struct Pt {
  ll x, y;
  Pt (int x, int y) : x (x), y (y) {}
  Pt () : x (0), y (0) {}
  ll cross (const Pt& b) const { return x * b.y - b.x * y; }
  bool up () const { return y > 0 or (y == 0 and x >= 0); }
  bool operator < (const Pt& b) const { return up() == b.up() ? cross (b) < 0 : up() > b.up(); }
  Pt operator - (const Pt& b) const { return Pt (x - b.x, y - b.y); }
  Pt operator - () const { return Pt (-x, -y); }
} s, e;
vector <int> vs[N], ve[N], v[N];
 
 
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Compilation message (stderr)

dragon2.cpp: In function 'int fight(int)':
dragon2.cpp:85:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   85 |  for (auto [p, x] : vp) {
      |            ^

• Subtask 1: 15 / 15
• Subtask 2: 45 / 45
• Subtask 3: 0 / 40