#include <bits/stdc++.h>
#define FOR(i, a, b) for (int i = a; i<=b ; i++)
#define FORD(i, a, b) for (int i = a; i>=b; i--)
#define REP(i, a) for (int i = 0; i<a; i++)
#define N 201000
#define pp pair<int, int>
#define IO cin.tie(NULL);cout.tie(NULL);
#define bit(S, i) (((S) >> i) & 1)
template<typename T> inline void read(T &x) {
char c;
bool neg = false;
while (!isdigit(c = getchar()) && c != '-');
x = 0;
if (c == '-') {
neg = true;
c = getchar();
}
do {
x = x * 10 + c - '0';
} while (isdigit(c = getchar()));
if (neg) x = -x;
}
template<typename T> inline void write(T x) {
if (x < 0) {
putchar('-');
write(-x);return;
}
if (x < 10) {
putchar(char(x + 48));
}
else {
write(x/10);
putchar(char(48 + x%10));
}
}
template<typename T> inline void writeln(T x) {
write(x);
putchar('\n');
}
using namespace std;
struct data {
int x, y, pos;
bool operator < (const data &a) {
return (x < a.x) || ((x == a.x) && y < a.y);
}
}s[N], t[N * 2], t2[N * 2];
struct edge {
int u, v, c;
};
vector<int> X, Y;
struct SegmentTree {
vector<int> IT, lazy;
int n;
void reset(int n) {
this -> n = n;
IT.clear();IT.resize(n * 4);
lazy.clear();lazy.resize(n * 4);
}
void Down(int k) {
if (lazy[k] == 0) return;
lazy[k * 2] += lazy[k];
lazy[k * 2 + 1] += lazy[k];
IT[k * 2] += lazy[k];
IT[k * 2 + 1] += lazy[k];
lazy[k] = 0;
}
void Update(int u, int v, int val) {
Up(1, 1, n, u, v, val);
}
long long GetMax(int u, int v) {
return Get(1, 1, n, u, v);
}
private:
void Up(int k, int l, int r, int u, int v, int val) {
if (l > v || r < u) return;
if (u <= l && r <= v) {
IT[k] += val;
lazy[k] += val;
return;
}
int m = (l + r) >> 1;
Down(k);
Up(k * 2, l, m, u, v, val);
Up(k * 2 + 1, m + 1, r, u, v, val);
IT[k] = max(IT[k * 2], IT[k * 2 + 1]);
}
long long Get(int k, int l, int r, int u, int v) {
if (l > v || r < u) return 0;
if (u <= l && r <= v) return IT[k];
Down(k);
int m = (l + r) >> 1;
return max(Get(k * 2, l, m, u, v), Get(k * 2 + 1, m + 1, r, u, v));
}
}sIT;
int n, m, c;
int IdxX(int x) {
return lower_bound(X.begin(), X.end(), x) - X.begin() + 1;
}
int IdxY(int x) {
return lower_bound(Y.begin(), Y.end(), x) - Y.begin() + 1;
}
vector<edge> res, newE;
void CreateGraph() {
sort(s, s + n);
sort(t, t + 2 * m);
sIT.reset(n + m + 1);
int i_t = 0;
REP(i, n) {
if (i == 0 || s[i].x != s[i - 1].x) {
while (i_t < 2 * m && t[i_t].x <= s[i].x) {
if (t[i_t].pos < m) {
sIT.Update(IdxY(t[i_t].y), IdxY(t2[t[i_t].pos + m].y), 1);
}
else {
sIT.Update(IdxY(t2[t[i_t].pos - m].y), IdxY(t[i_t].y), -1);
}
i_t++;
}
}
else {
if (sIT.GetMax(s[i - 1].y, s[i].y) == 0) {
newE.push_back(edge({s[i].pos + 1, s[i - 1].pos + 1, s[i].y - s[i - 1].y}));
}
}
}
}
int f[N], g[N], counter[N];
long long ff[N];
vector<int> e;
void Union(int a, int b) {
int t = f[a] + f[b];
if (f[a] <= f[b]) {
f[a] = t;
f[b] = a;
return;
}
f[a] = b;
f[b] = t;
}
int root(int u) {
if (f[u] < 0) return u;
f[u] = root(f[u]);
return f[u];
}
int main() {
IO;
freopen("input.txt","r",stdin);
freopen("out.txt","w",stdout);
read(n);read(m);read(c);
REP(i, n) {
read(s[i].x); read(s[i].y);
X.push_back(s[i].x);
Y.push_back(s[i].y);
s[i].pos = i;
}
REP(i, m) {
read(t[i].x);read(t[i].y);read(t[m + i].x);read(t[m + i].y);
X.push_back(t[i].x);
X.push_back(t[i + m].x);
Y.push_back(t[i].y);
Y.push_back(t[i + m].y);
t2[i] = t[i]; t2[i + m] = t[i + m];
t[i].pos = i;
t[m + i].pos = m + i;
}
sort(X.begin(), X.end());
sort(Y.begin(), Y.end());
CreateGraph();
// Rotate
REP(i, n) swap(s[i].x, s[i].y);
REP(i, 2 * m) {
swap(t[i].x, t[i].y);
swap(t2[i].x, t2[i].y);
}
CreateGraph();
FOR(i, 1, n) f[i] = -1;
int cnt = n;
for (edge x : newE) {
int a = root(x.u);
int b = root(x.v);
if (a != b) {
res.push_back(x);
e.push_back(x.c);
cnt--;
Union(a, b);
}
}
//Query
ff[res.size()] = 0;
FORD(i, (int) res.size() - 1, 0) {
ff[i] = ff[i + 1] + res[i].c;
int t = root(res[i].u);
}
int bx, hx;
while (c--) {
read(bx); read(hx);
if (hx < cnt) {
writeln(-1);
continue;
}
if (res.empty()) {
writeln(1ll * bx * n);
continue;
}
if (bx >= e.back()) {
writeln(ff[0] + 1ll * bx * cnt);
continue;
}
int t1 = upper_bound(e.begin(), e.end(), bx) - e.begin();
int t2 = (int) e.size() - (hx - cnt);
int tt = max(t1, t2);
writeln(ff[0] - ff[tt] + 1ll * ((int)e.size() + cnt - tt) * bx);
}
}
Compilation message
construction.cpp: In function 'int main()':
construction.cpp:207:13: warning: unused variable 't' [-Wunused-variable]
int t = root(res[i].u);
^
construction.cpp:162:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
freopen("input.txt","r",stdin);
^
construction.cpp:163:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
freopen("out.txt","w",stdout);
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
0 ms |
17760 KB |
Execution killed because of forbidden syscall [unknown syscall - gap in table] (292) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
0 ms |
17760 KB |
Execution killed because of forbidden syscall [unknown syscall - gap in table] (292) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
0 ms |
17760 KB |
Execution killed because of forbidden syscall [unknown syscall - gap in table] (292) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
0 ms |
17760 KB |
Execution killed because of forbidden syscall [unknown syscall - gap in table] (292) |
| 2 |
Halted |
0 ms |
0 KB |
- |
