Submission #955219

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
955219	2024-03-29 17:45:18	abczz	Meetings 2 (JOI21_meetings2)	C++14	100 / 100	1467 ms	79596 KiB

meetings2

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#include <iostream>
#include <vector>
#include <queue>
#include <array>
#include <map>
#define ll long long
 
using namespace std;
 
vector <ll> adj[200000];
bool C[200000];
vector <array<ll, 2>> U;
vector <ll> V[200000];
vector <vector<ll>> D;
bool ok;
ll n, k, a, b, f = 1e18, g, sz[200000], F[200000];
 
struct SegTree{
  vector <ll> st{vector <ll> (800000, -1e18)};
  vector <ll> updated;
  void update(ll id, ll l, ll r, ll q, ll w) {
    updated.push_back(id);
    if (l == r) {
      st[id] = max(st[id], w);
      return;
    }
    ll mid = (l+r)/2;
    if (q <= mid) update(id*2, l, mid, q, w);
    else update(id*2+1, mid+1, r, q, w);
    st[id] = max(st[id*2], st[id*2+1]);
 
 
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Compilation message (stderr)

meetings2.cpp: In function 'void dfs_resz(long long int, long long int, long long int, long long int)':
meetings2.cpp:72:19: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   72 |   if (D[x].size() == w) D[x].push_back(0);
      |       ~~~~~~~~~~~~^~~~
meetings2.cpp: In function 'void solve(long long int)':
meetings2.cpp:96:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   96 |       for (int i=0; i<D[x].size(); ++i) {
      |                     ~^~~~~~~~~~~~
meetings2.cpp:100:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  100 |       for (int i=0; i<D[x].size(); ++i) {
      |                     ~^~~~~~~~~~~~
meetings2.cpp:108:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  108 |     for (int i=0; i<D[x].size(); ++i) {
      |                   ~^~~~~~~~~~~~
meetings2.cpp:112:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  112 |     for (int i=0; i<D[x].size(); ++i) {
      |                   ~^~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 16 / 16
• Subtask 3: 80 / 80