Submission #314445

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
314445	2020-10-20 00:02:38	MetB	Dragon 2 (JOI17_dragon2)	C++14	100 / 100	3369 ms	87496 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 operator < (const Pt& b) const { return cross (b) < 0; }
  Pt operator - (const Pt& b) const { return Pt (x - b.x, y - b.y); }
  Pt operator - () const { return Pt (-x, -y); }
} s, e;
 
bool OO = true;
 
 
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Compilation message (stderr)

dragon2.cpp: In function 'int attack_small(int, int)':
dragon2.cpp:142:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  142 |   while (j < vs[to].size () && vs[to][j] < i) {
      |          ~~^~~~~~~~~~~~~~~~
dragon2.cpp: In function 'int main()':
dragon2.cpp:219:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
  219 |  for (auto [a, b] : e) {
      |            ^

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