# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
573429 |
2022-06-06T15:20:33 Z |
piOOE |
Roads (CEOI20_roads) |
C++17 |
|
1 ms |
344 KB |
#include <bits/stdc++.h>
using namespace std;
#define sz(x) ((int)size(x))
#define all(x) begin(x), end(x)
#define trace(x) cout << #x << ": " << (x) << endl;
typedef long long ll;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
int rand(int l, int r) { return (int) ((ll) rnd() % (r - l + 1)) + l; }
const int N = 200000, infI = 1e9 + 7;
int X[N], Y[N];
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n;
vector<pair<int, int>> yy;
map<int, vector<pair<int, int>>> mp;
for (int i = 0; i < n; ++i) {
int x1, y1, x2, y2;
cin >> x1 >> y1 >> x2 >> y2;
X[i << 1] = x1, Y[i << 1] = y1;
X[i << 1 | 1] = x2, Y[i << 1 | 1] = y2;
yy.emplace_back(x1, y1);
yy.emplace_back(x2, y2);
mp[x1].emplace_back(min(y1, y2), max(y1, y2));
}
sort(all(yy));
auto get_idx = [&yy](int x, int y) {
int it = lower_bound(all(yy), make_pair(x, y)) - begin(yy);
if (it == sz(yy) || yy[it] != make_pair(x, y)) {
return -1;
}
return it;
};
pair<int, int> lst = {-infI, -infI};
for (auto [x, a]: mp) {
sort(all(a));
if (lst.first != -infI) {
cout << lst.first << " " << lst.second << " " << x << " " << a[0].first << '\n';
lst = {x, a[0].first};
}
for (int i = 0; i < sz(a) - 1; ++i) {
cout << x << " " << a[i].second << " " << x << " " << a[i + 1].first << '\n';
}
}
return 0;
}
Compilation message
roads.cpp: In function 'int main()':
roads.cpp:36:10: warning: variable 'get_idx' set but not used [-Wunused-but-set-variable]
36 | auto get_idx = [&yy](int x, int y) {
| ^~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Failed |
0 ms |
344 KB |
Condition failed: "iB != P2I.end()" |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Unexpected end of file - int32 expected |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
340 KB |
Unexpected end of file - int32 expected |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
336 KB |
Unexpected end of file - int32 expected |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Failed |
0 ms |
212 KB |
Condition failed: "iB != P2I.end()" |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Failed |
1 ms |
336 KB |
Condition failed: "iB != P2I.end()" |
2 |
Halted |
0 ms |
0 KB |
- |