Submission #831642

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
831642	2023-08-20 11:46:31	andrey27_sm	Fountain Parks (IOI21_parks)	C++17	30 / 100	251 ms	47348 KiB

parks

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#include "parks.h"
#include <bits/stdc++.h>
using namespace std;
vector<pair<int,int>> cons[200001];
int mask_l[200001];
vector<int> u;
vector<int> v;
vector<int> a;
vector<int> b;
struct dsu{
  int sz = 0;
  vector<int> pr;
  int p(int v){
    if(pr[v] == v) return v;
    return pr[v] = p(pr[v]);
  }
  bool un(int u,int v){
    u = p(u);
    v = p(v);
    if(u == v) return 0 ;
    pr[u] = v;
    sz++;
    return 1;
  }
} D;
struct edge{
  int x;
  int y;
  int type; // 0 - vert, 1 - hor;
  int a;
 
 
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Compilation message (stderr)

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:73:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |  for (int i = 0; i < E.size(); ++i)
      |                  ~~^~~~~~~~~~
In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from parks.cpp:2:
parks.cpp:77:18: warning: comparison of integer expressions of different signedness: 'std::vector<edge>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   77 |  assert(E.size() <= n-1);
      |         ~~~~~~~~~^~~~~~
parks.cpp:78:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   78 |  for (int i = 0; i < E.size(); ++i)
      |                  ~~^~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30