3160 | 2023. 02. 21 11:21:25 | TuruTamas | Hírvivők csoportosítása (40) | cpp17 | Wrong answer 6/40 | 17ms | 4700 KiB |
#include <bits/stdc++.h>
using namespace std;
int N, M, H, K;
vector<bool> been;
vector<pair<int, int>> hirek;
void dfs(int& d, int loc) {
been[loc] = true;
for (size_t i = 0; i < hirek.size(); i++)
{
if (i == loc || been[i]) continue;
if (abs(hirek[i].first - hirek[loc].first) + abs(hirek[i].second - hirek[loc].second) <= d) dfs(d, i);
}
}
void getGroups(int& csoportok, int n) {
csoportok = 0;
been.assign(H, false);
for (size_t i = 0; i < H; i++)
{
if (been[i]) continue;
csoportok++;
dfs(n, i);
}
}
int main() {
cin >> N >> M >> H >> K;
int x, y;
for (size_t i = 0; i < H; i++)
{
cin >> x >> y;
hirek.push_back({x, y});
}
int csoportok, minn = 0, maxn = N+M, n = (N+M)/2;
int lastn = n;
while (true) {
int csoportok;
getGroups(csoportok, n);
if (csoportok > K) {
minn = n;
n = (n+maxn)/2;
if (n == lastn) {
for (size_t i = n; i < N+M; i++)
{
getGroups(csoportok, i);
if (csoportok < K) {
cout << i;
return 0;
}
}
}
lastn = n;
}
else if (csoportok < K) {
maxn = n;
n = (n+minn)/2;
if (n == lastn) {
cout << n;
return 0;
}
lastn = n;
}
else {
cout << n << "\n";
return 0;
}
}
}
Subtask | Sum | Test | Verdict | Time | Memory | ||
---|---|---|---|---|---|---|---|
base | 6/40 | ||||||
1 | Wrong answer | 0/0 | 3ms | 1752 KiB | |||
2 | Accepted | 0/0 | 17ms | 2076 KiB | |||
3 | Accepted | 1/1 | 3ms | 2124 KiB | |||
4 | Accepted | 1/1 | 3ms | 2340 KiB | |||
5 | Wrong answer | 0/1 | 3ms | 2588 KiB | |||
6 | Wrong answer | 0/1 | 4ms | 2804 KiB | |||
7 | Wrong answer | 0/1 | 3ms | 2976 KiB | |||
8 | Wrong answer | 0/1 | 3ms | 3188 KiB | |||
9 | Wrong answer | 0/1 | 3ms | 3400 KiB | |||
10 | Accepted | 1/1 | 6ms | 3648 KiB | |||
11 | Wrong answer | 0/1 | 4ms | 3860 KiB | |||
12 | Wrong answer | 0/1 | 4ms | 3944 KiB | |||
13 | Wrong answer | 0/3 | 14ms | 3972 KiB | |||
14 | Wrong answer | 0/3 | 13ms | 3968 KiB | |||
15 | Wrong answer | 0/3 | 4ms | 3948 KiB | |||
16 | Wrong answer | 0/3 | 13ms | 4200 KiB | |||
17 | Wrong answer | 0/3 | 4ms | 4160 KiB | |||
18 | Wrong answer | 0/3 | 10ms | 4232 KiB | |||
19 | Wrong answer | 0/3 | 10ms | 4300 KiB | |||
20 | Wrong answer | 0/3 | 14ms | 4232 KiB | |||
21 | Accepted | 3/3 | 10ms | 4484 KiB | |||
22 | Wrong answer | 0/3 | 4ms | 4700 KiB |