#include <bits/stdc++.h>
using namespace std;
using ii = pair <int, int>;
struct segTree {
vector <int> val; int n, lo, hi;
void reset() {
val.assign(n * 4, 0);
}
segTree(int n): n(n) {
val.assign(n * 4, 0);
}
void pushDown(int i) {
if (val[i] >= 0) {
val[i * 2] = val[i * 2 + 1] = val[i];
val[i] = -1;
}
}
void setVal(int i, int l, int r, int v) {
if (l >= lo && r <= hi)
return void(val[i] = v);
pushDown(i); int m = (l + r) / 2;
if (m >= lo) setVal(i * 2, l, m, v);
if (m < hi) setVal(i * 2 + 1, m + 1, r, v);
}
int getVal(int i, int l, int r, int p) {
if (val[i] >= 0) return val[i];
pushDown(i); int m = (l + r) / 2;
if (m >= p) return getVal(i * 2, l, m, p);
return getVal(i * 2 + 1, m + 1, r, p);
}
void setVal(int l, int r, int v) {
lo = l; hi = r; setVal(1, 1, n, v);
}
int getVal(int p) {
return getVal(1, 1, n, p);
}
};
using ll = long long;
struct point {
int x, y, id;
};
struct rect {
int l, b, r, t;
};
struct edge {
int u, v, w;
};
const int N = 200005;
point A[N]; rect B[N];
map <ii, int> idx;
vector <edge> Edge;
vector <int> MST;
vector <ll> Sum;
int Par[N];
int Find(int u) {
return Par[u] < 0 ? u : Par[u] = Find(Par[u]);
}
bool Unite(int u, int v) {
u = Find(u); v = Find(v);
return u != v ? Par[v] = u, true : false;
}
void compress(vector <int> &cmp) {
sort(cmp.begin(), cmp.end());
cmp.erase(unique(cmp.begin(),
cmp.end()), cmp.end());
}
int main() {
cin.tie(0)->sync_with_stdio(0);
int n, m, q; cin >> n >> m >> q;
vector <int> cmpx, cmpy;
segTree ST(n + m);
for (int i = 0; i < n; i++) {
cin >> A[i].x >> A[i].y;
A[i].x++; A[i].y++;
cmpx.push_back(A[i].x);
cmpy.push_back(A[i].y);
A[i].id = i;
idx[ii(A[i].x, A[i].y)] = i;
}
for (int i = 0; i < m; i++) {
cin >> B[i].l >> B[i].b;
cin >> B[i].r >> B[i].t;
B[i].l++; B[i].b++;
B[i].r++; B[i].t++;
cmpx.push_back(B[i].b);
cmpx.push_back(B[i].t);
cmpy.push_back(B[i].l);
cmpy.push_back(B[i].r);
}
compress(cmpx); compress(cmpy);
sort(A, A + n, [](point p, point q) {
return p.x < q.x;
});
sort(B, B + m, [](rect p, rect q) {
return p.r < q.r;
});
for (int i = 0, j = 0; i < n; i++) {
while (j < m && B[j].r <= A[i].x) {
int l = upper_bound(cmpy.begin(),
cmpy.end(), B[j].b) - cmpy.begin();
int r = upper_bound(cmpy.begin(),
cmpy.end(), B[j].t) - cmpy.begin();
ST.setVal(l, r, B[j].r); j++;
}
int p = upper_bound(cmpy.begin(),
cmpy.end(), A[i].y) - cmpy.begin();
int x = ST.getVal(p);
if (idx.count(ii(x, A[i].y)))
Edge.push_back({idx[ii(x, A[i].y)],
A[i].id, A[i].x - x});
ST.setVal(p, p, A[i].x);
}
ST.reset();
sort(A, A + n, [](point p, point q) {
return p.y < q.y;
});
sort(B, B + m, [](rect p, rect q) {
return p.t < q.t;
});
for (int i = 0, j = 0; i < n; i++) {
while (j < m && B[j].t <= A[i].y) {
int l = upper_bound(cmpx.begin(),
cmpx.end(), B[j].l) - cmpx.begin();
int r = upper_bound(cmpx.begin(),
cmpx.end(), B[j].r) - cmpx.begin();
ST.setVal(l, r, B[j].t); j++;
}
int p = upper_bound(cmpx.begin(),
cmpx.end(), A[i].x) - cmpx.begin();
int y = ST.getVal(p);
if (idx.count(ii(A[i].x, y)))
Edge.push_back({idx[ii(A[i].x, y)],
A[i].id, A[i].y - y});
ST.setVal(p, p, A[i].y);
}
int cmp = n;
sort(Edge.begin(), Edge.end(),
[](edge p, edge q) {
return p.w < q.w;
});
memset(Par, -1, sizeof Par);
for (auto e : Edge)
if (Unite(e.u, e.v)) {
MST.push_back(e.w); cmp--;
}
int len = MST.size();
reverse(MST.begin(), MST.end());
Sum.resize(len + 1);
for (int i = 0; i < MST.size(); i++)
Sum[i + 1] = Sum[i] + MST[i];
// while (q--) {
// int cost, lim;
// cin >> cost >> lim;
// if (lim < cmp) {
// cout << "-1\n"; continue;
// }
// ll res = Sum.back() + ll(cost) * cmp;
// int lo = 0, p = -1;
// int hi = min(lim - cmp, len) - 1;
// while (lo <= hi) {
// int mi = (lo + hi) / 2;
// if (MST[mi] >= cost) {
// p = mi; lo = mi + 1;
// }
// else hi = mi - 1;
// }
// res -= Sum[p + 1] - ll(cost) * (p + 1);
// cout << res << '\n';
// }
}
Compilation message
construction.cpp: In function 'int main()':
construction.cpp:171:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
171 | for (int i = 0; i < MST.size(); i++)
| ~~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
10 ms |
2156 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
10 ms |
2156 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
10 ms |
2156 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
10 ms |
2156 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
