Submission #854908

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
854908	2023-09-29 10:39:46	JustInCase	Bridges (APIO19_bridges)	C++17	0 / 100	3048 ms	5152 KiB

bridges

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#include <algorithm>
#include <cassert>
#include <iostream>
#include <stack>
#include <vector>
using namespace std;
const int BLOCK_SIZE = 317;
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;
 
 
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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:140:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<query>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  140 |         assert(queryInd < queries.size());
      |                ~~~~~~~~~^~~~~~~~~~~~~~~~
bridges.cpp:162:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<query>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  162 |     for (int j = 0; j < queries.size(); j++) {
      |                     ~~^~~~~~~~~~~~~~~~
bridges.cpp:163:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  163 |       while (edgePtr < unchanged.size() &&
      |              ~~~~~~~~^~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/10/cassert:44,
                 from bridges.cpp:2:
bridges.cpp:177:50: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  177 |       assert(queries[j].id >= 0 && queries[j].id < ans.size());

• Subtask 1: 0 / 13
• Subtask 2: 0 / 16
• Subtask 3: 0 / 17
• Subtask 4: 0 / 14
• Subtask 5: 0 / 13
• Subtask 6: 0 / 27