#include <iostream>
#include <vector>
#include <set>
#include <algorithm>
#define MAX_N 300005
#define f first
#define s second
using namespace std;
typedef pair<int, int> ii;
typedef pair<int, ii> pii;
class SegTree {
private:
ii tree[4 * MAX_N];
multiset<int> c[4 * MAX_N];
public:
SegTree(int N) {
}
ii cmb(ii a, ii b) {
if (a.f == -1)
return (a);
if (b.f == -1)
return (b);
return (ii(max(a.f, b.f), min(a.s, b.s)));
}
ii get_val(int l, int r, int a, int b, int ind) {
if (a <= l && r <= b) { return (tree[ind]); }
if (a > r || b < l) { return (ii(0, 1000000000)); }
ii leftS = get_val(l, (l + r) / 2, a, b, 2 * ind);
ii rightS = get_val((l + r) / 2 + 1, r, a, b, 2 * ind + 1);
return (cmb(leftS, rightS));
}
ii query(int a, int b)
{ return (get_val(0, MAX_N, a, b, 1)); }
void change_val(int l, int r, int newVal, int ind, int tmp) {
if (tmp > r || tmp < l) { return; }
if (l == r) {
if (newVal > 0) {
c[ind].insert(newVal);
tree[ind].f = *c[ind].rbegin();
tree[ind].s = *c[ind].begin();
} else {
if (c[ind].find(-newVal) != c[ind].end()))
c[ind].erase(c[ind].find(-newVal));
if (c[ind].empty()) {
tree[ind].f = -1;
tree[ind].s = -1;
} else {
tree[ind].f = *c[ind].rbegin();
tree[ind].s = *c[ind].begin();
}
}
return;
}
change_val(l, (r + l) / 2, newVal, 2 * ind, tmp);
change_val((r + l) / 2 + 1, r, newVal, 2 * ind + 1, tmp);
tree[ind] = cmb(tree[2 * ind], tree[2 * ind + 1]);
}
void update(int ind, int val)
{ change_val(0, MAX_N, val, 1, ind); }
};
int ans[MAX_N];
int N, K, Q;
bool cmp(pii a, pii b) {
return (abs(a.f) < abs(b.f));
}
int main() {
cin >> N >> K >> Q;
vector<pii> events;
int a, b, c, d;
for (int i = 0; i < N; i ++) {
cin >> a >> b >> c >> d;
events.push_back(pii(c, ii(a, b)));
events.push_back(pii(-(d + 1), ii(a, b)));
}
sort(events.begin(), events.end(), cmp);
SegTree seg(MAX_N);
vector<pii> query (Q);
for (int i = 0; i < Q; i ++) {
cin >> query[i].s.f >> query[i].f;
query[i].s.s = i;
}
sort(query.begin(), query.end());
int lft = 0;
for (int i = 0; i < Q; i ++) {
while (abs(events[lft].f) <= query[i].f) {
if (events[lft].f > 0) {
seg.update(events[lft].s.s, events[lft].s.f);
} else {
seg.update(events[lft].s.s, -events[lft].s.f);
}
lft ++;
}
ii cur = seg.query(1, K);
if (cur.f == -1) {
ans[query[i].s.s] = -1;
} else {
ans[query[i].s.s] = max(abs(query[i].s.f - cur.f), abs(query[i].s.f - cur.s));
}
}
for (int i = 0; i < Q; i ++)
cout << ans[i] << endl;
return (0);
}
Compilation message
new_home.cpp: In member function 'void SegTree::change_val(int, int, int, int, int)':
new_home.cpp:55:62: error: expected primary-expression before ')' token
if (c[ind].find(-newVal) != c[ind].end()))
^
