-
-
Save enzerr/f8e388ae52a88c163af02c4d0d0e6010 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include<bits/stdc++.h> | |
using namespace std; | |
const int maxn = 1e3 + 5; | |
int x[maxn], y[maxn], mark[maxn]; | |
vector<int> adj[maxn]; | |
int dist(int i, int j){ | |
return abs(x[i]-x[j]) + abs(y[i]-y[j]); | |
} | |
void dfs(int u){ | |
mark[u] = true; | |
for(int v : adj[u]) | |
if(!mark[v]) dfs(v); | |
} | |
int main(){ | |
int X, Y; cin >> X >> Y; | |
int n, A; cin >> n >> A; | |
A/=100; | |
for(int i = 0; i < n; i++) cin >> x[i] >> y[i]; | |
for(int i = 0; i < n; i++){ | |
for(int j = 0; j < n; j++){ | |
if(i!=j && dist(i, j)<=A) | |
adj[i].push_back(j); | |
} | |
} | |
int comp = 0; | |
for(int i = 0; i < n; i++) if(!mark[i]){ | |
comp++; | |
dfs(i); | |
} | |
cout << comp-1 << '\n'; | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment