# | 제출 시각UTC-0 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
648627 | alvinpiter | Teleporters (IOI08_teleporters) | C++17 | 964 ms | 54932 KiB |
이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include<bits/stdc++.h>
using namespace std;
#define INF 2000000002
#define MAXN 1000000
int n, m, nxt[MAXN + 3];
bool visited[MAXN + 3];
vector<pair<int, int> > points;
vector<int> cycleLengths;
int main() {
cin >> n >> m;
for (int i = 1; i <= n; i++) {
int w, e;
cin >> w >> e;
points.push_back({w, e});
points.push_back({e, w});
}
memset(nxt, -1, sizeof(nxt));
sort(points.begin(), points.end());
for (int i = 0; i < points.size(); i++) {
auto [x, otherEnd] = points[i];
int idx = upper_bound(points.begin(), points.end(), make_pair(otherEnd, INF)) - points.begin();
nxt[i] = idx;
}
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