Submission #870896

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
870896	2023-11-09 12:18:56	aykhn	Regions (IOI09_regions)	C++17	55 / 100	1803 ms	70208 KiB

regions

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#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define pii pair<int, int>
#define mpr make_pair
#define fi first
#define se second
#define all(v) v.begin(), v.end()
const int MXN = 2e5 + 5;
const int B = 2000;
int n, r, q;
int reg[MXN], p[MXN];
vector<int> idx[MXN];
vector<pii> v1[MXN];
vector<int> v2[MXN];
vector<int> adj[MXN];
int dp[MXN];
int in[MXN], out[MXN];
int tim = -1;
int cur = -1;
map<pii, int> mp;
void dfs(int a, int p)
{
    in[a] = ++tim;
    for (int v : adj[a])
 
 
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XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

regions.cpp: In function 'int main()':
regions.cpp:93:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   93 |         while (i < v1[u].size() && j < v2[v].size())
      |                ~~^~~~~~~~~~~~~~
regions.cpp:93:38: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   93 |         while (i < v1[u].size() && j < v2[v].size())
      |                                    ~~^~~~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 40 / 85