Submission #901298

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
901298	2024-01-09 09:57:19	LittleFlowers__	Meetings (JOI19_meetings)	C++17	100 / 100	887 ms	1128 KiB

meetings

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#include "meetings.h"
#include<bits/stdc++.h>
using namespace std;
struct Runner {
static const int N = 2e3 + 10;
bool dd[N];
int sz[N];
vector<int> adj[N];
int n;
void add_edge (int u, int v) {
  adj[u].push_back(v);
  adj[v].push_back(u);
}
void del_edge (int u, int v) {
  for(int i = 0; i < adj[u].size(); i++) if (adj[u][i] == v) {
    adj[u].erase(adj[u].begin() + i);
  }
  for(int i = 0; i < adj[v].size(); i++) if (adj[v][i] == u) {
    adj[v].erase(adj[v].begin() + i);
  }
}
int calc (int u, int p) {
 
 
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Compilation message (stderr)

meetings.cpp: In member function 'void Runner::del_edge(int, int)':
meetings.cpp:22:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |   for(int i = 0; i < adj[u].size(); i++) if (adj[u][i] == v) {
      |                  ~~^~~~~~~~~~~~~~~
meetings.cpp:25:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |   for(int i = 0; i < adj[v].size(); i++) if (adj[v][i] == u) {
      |                  ~~^~~~~~~~~~~~~~~
meetings.cpp: In member function 'void Runner::centroid(int, int)':
meetings.cpp:61:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |   for(int i = 0; i + 1 < adj[node].size(); i += 2) {
      |                  ~~~~~~^~~~~~~~~~~~~~~~~~
meetings.cpp: In function 'void Solve(int)':
meetings.cpp:5:8: warning: 'newRunner.Runner::n' is used uninitialized in this function [-Wuninitialized]
    5 | struct Runner {
      |        ^~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 10 / 10
• Subtask 3: 12 / 12
• Subtask 4: 71 / 71