Submission #854932

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
854932	2023-09-29 12:17:22	JustInCase	Bridges (APIO19_bridges)	C++17	100 / 100	1682 ms	13180 KiB

bridges

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 <algorithm>
#include <cassert>
#include <iostream>
#include <stack>
#include <vector>
using namespace std;
const int BLOCK_SIZE = 1000;
struct edge {
  int u, v, w;
  static bool compDecrW(edge &e1, edge &e2) { return e1.w > e2.w; }
};
struct update {
  int e, w;
};
struct query {
  int id;
  int v, w;
  static bool compDecrW(query &q1, query &q2) { return q1.w > q2.w; }
};
struct rollback_dsu {
  struct change {
    int oldRoot, newRoot;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

In file included from /usr/include/c++/10/cassert:44,
                 from bridges.cpp:2:
bridges.cpp: In function 'int main()':
bridges.cpp:143:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<query>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  143 |         assert(queryInd < queries.size());
      |                ~~~~~~~~~^~~~~~~~~~~~~~~~
bridges.cpp:165:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<query>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  165 |     for (int j = 0; j < queries.size(); j++) {
      |                     ~~^~~~~~~~~~~~~~~~
bridges.cpp:166:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  166 |       while (edgePtr < unchanged.size() &&
      |              ~~~~~~~~^~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/10/cassert:44,
                 from bridges.cpp:2:
bridges.cpp:178:50: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  178 |       assert(queries[j].id >= 0 && queries[j].id < ans.size());

• Subtask 1: 13 / 13
• Subtask 2: 16 / 16
• Subtask 3: 17 / 17
• Subtask 4: 14 / 14
• Subtask 5: 13 / 13
• Subtask 6: 27 / 27