Submission #316041

#TimeUsernameProblemLanguageResultExecution timeMemory
316041jungsnowTrampoline (info1cup20_trampoline)C++14
11 / 100
626 ms39336 KiB
#include<bits/stdc++.h> #define x first #define y second using namespace std; typedef pair<int, int> ii; typedef pair<ii, int> iii; const int N = 200100; const int oo = 2e9; int n, t, nxt[N][22]; map<int, set<ii>> mp; vector<ii> v, u; vector<iii> gr; ii q[N]; bool proc(int u, int v, int x, int y) { if (u > x) return 0; if (v > y) return 0; if (u == x) return 1; int len = (x - u - 1); if (!mp.count(u)) return 0; auto it = mp[u].lower_bound(ii(v, -1)); if (it == mp[u].end()) return 0; int cur = it->y; for (int i = 21; i >= 0; --i) if (len >> i & 1) { cur = nxt[cur][i]; if (cur == oo) return 0; } return q[cur].y <= y; } int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n >> n >> n; for (int a, b, i = 1; i <= n; ++i) { cin >> a >> b; q[i] = ii(a, b); mp[a].insert(ii(b, i)); gr.push_back(iii(ii(a, b), i)); } sort(gr.begin(), gr.end(), [](const iii& a, const iii& b) { return (a.x.x < b.x.x || (a.x.x == b.x.x && a.x.y < b.x.y)); }); int pre = oo; for (int i = n - 1; i >= 0; --i) { int a = gr[i].x.x, b = gr[i].x.y, id = gr[i].y; nxt[id][0] = oo; if (a + 1 == pre) { v = u; u.clear(); } else if (a < pre) { v.clear(); u.clear(); } if (!v.empty()) { auto it = lower_bound(v.begin(), v.end(), ii(b, -1)); if (it != v.end()) { nxt[id][0] = it->y; } } u.push_back(ii(b, id)); pre = a; } for (int j = 1; j < 22; ++j) { for (int i = 1; i <= n; ++i) if (nxt[i][j - 1] != oo) { nxt[i][j] = nxt[ nxt[i][j - 1] ][j - 1]; } else nxt[i][j] = oo; } cin >> t; for (int u, v, x, y, i = 1; i <= t; ++i) { cin >> u >> v >> x >> y; cout << (proc(u, v, x, y) ? "Yes" : "No") << '\n'; } return 0; }
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