Submission #210526

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
210526	2020-03-17 15:26:47	arnold518	Dragon 2 (JOI17_dragon2)	C++14	100 / 100	1439 ms	22920 KiB

dragon2

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 3e4;
struct Point { ll x, y; };
Point operator + (const Point &p, const Point &q) { return {p.x+q.x, p.y+q.y}; }
Point operator - (const Point &p, const Point &q) { return {p.x-q.x, p.y-q.y}; }
ll ccw(Point p, Point q) { return p.x*q.y-p.y*q.x; }
ll ccw(Point p, Point q1, Point q2) { return ccw(q1-p, q2-p); }
int N, M, Q;
vector<Point> P[MAXN+10];
Point A, B;
map<pii, ll> memo;
struct Node
{
  int val;
  Node *lc, *rc;
  Node() : val(0), lc(NULL), rc(NULL) {}
};
void makeTree(Node *node, int tl, int tr)
{
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

dragon2.cpp: In function 'void makeTree(Node*, int, int)':
dragon2.cpp:32:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=tl+tr>>1;
          ~~^~~
dragon2.cpp: In member function 'Node* Data::addTree(Node*, int, int, int)':
dragon2.cpp:71:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int mid=tl+tr>>1;
           ~~^~~
dragon2.cpp: In member function 'int Data::query(Node*, Node*, int, int, int, int)':
dragon2.cpp:82:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int mid=tl+tr>>1;
           ~~^~~
dragon2.cpp: In member function 'void Data::init()':
dragon2.cpp:88:10: warning: unused variable 'j' [-Wunused-variable]
   int i, j;
          ^
dragon2.cpp: In member function 'int Data::query(Point, Point, Point, Point)':
dragon2.cpp:117:7: warning: unused variable 'i' [-Wunused-variable]
   int i, j;
       ^
dragon2.cpp:117:10: warning: unused variable 'j' [-Wunused-variable]
   int i, j;
          ^
dragon2.cpp: In function 'int main()':
dragon2.cpp:165:9: warning: unused variable 'j' [-Wunused-variable]
  int i, j;
         ^
dragon2.cpp: In function 'bool cmpA(const Point&, const Point&)':
dragon2.cpp:45:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
dragon2.cpp: In function 'bool cmpB(const Point&, const Point&)':
dragon2.cpp:53:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
dragon2.cpp: In function 'int main()':
dragon2.cpp:167:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &M);
  ~~~~~^~~~~~~~~~~~~~~~
dragon2.cpp:171:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &x, &y, &w);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~
dragon2.cpp:174:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld%lld%lld", &A.x, &A.y, &B.x, &B.y);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dragon2.cpp:186:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &Q);
  ~~~~~^~~~~~~~~~
dragon2.cpp:191:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &s, &e);
   ~~~~~^~~~~~~~~~~~~~~~

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