Submission #1136736

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
11367362025-01-17 03:43:42fzyzzz_zPort Facility (JOI17_port_facility)C++20
0 / 100
0 ms320 KiB
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int n;
cin >> n;
vector<pair<int, int>> a(n);
for (int i = 0; i < n; ++i) {
cin >> a[i].first >> a[i].second;
}
vector<vector<int>> g(n);
for (int i = 0; i < n; ++i) {
for (int j = i + 1; j < n; ++j) {
auto [x1, y1] = a[i];
auto [x2, y2] = a[j];
if (x1 > x2) {
swap(x1, x2);
swap(y1, y2);
}
if (x2 < y1 && y1 < y2) {
g[i].push_back(j);
g[j].push_back(i);
}
}
 
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