#include "bits/stdc++.h"
using namespace std;
#include "Deb.h"
const int S = 77;
const int MAX_N = 1e5 + 5;
int n;
int h[MAX_N];
void init(int N, int D, int H[]) {
n = N;
for (int i = 0; i < N; ++i) {
h[i] = H[i];
}
}
set<int> f[MAX_N];
int a[MAX_N], b[MAX_N];
vector<int> chng[MAX_N];
vector<set<int>> st[MAX_N];
void edit(set<int>& se, int z) {
if (se.count(z)) se.erase(z);
else se.insert(z);
}
void curseChanges(int U, int A[], int B[]) {
for (int i = 1; i <= U; ++i) {
a[i] = A[i - 1], b[i] = B[i - 1];
if (a[i] > b[i]) swap(a[i], b[i]);
}
for (int i = 0; i < n; ++i) {
chng[i].push_back(0);
st[i].emplace_back(f[i]);
}
for (int i = 1; i <= U; ++i) {
chng[a[i]].push_back(i);
chng[b[i]].push_back(i);
edit(f[a[i]], b[i]);
edit(f[b[i]], a[i]);
if (chng[a[i]].size() % S == 0) {
st[a[i]].emplace_back(f[a[i]]);
}
if (chng[b[i]].size() % S == 0) {
st[b[i]].emplace_back(f[b[i]]);
}
}
}
int get(set<int>& x, set<int>& y) {
vector<int> cx, cy;
for (auto i : x) cx.push_back(h[i]);
for (auto i : y) cy.push_back(h[i]);
sort(cx.begin(), cx.end());
sort(cy.begin(), cy.end());
int ret = 1e9;
for (int i = 0, j = 0; i < (int) x.size() && j < (int) y.size(); ) {
if (cx[i] <= cy[j]) {
ret = min(ret, cy[j] - cx[i++]);
} else {
ret = min(ret, cx[i] - cy[j++]);
}
}
return ret;
}
int question(int x, int y, int v) {
int idx = upper_bound(chng[x].begin(), chng[x].end(), v) - chng[x].begin() - 1;
int idy = upper_bound(chng[y].begin(), chng[y].end(), v) - chng[y].begin() - 1;
int kx = idx - (idx % S), ky = idy - (idy % S);
auto sx = st[x][kx / S], sy = st[y][ky / S];
for (int i = kx + 1; i <= idx; ++i) {
int ind = chng[x][i];
assert(a[ind] == x || b[ind] == x);
int o = a[ind] ^ b[ind] ^ x;
edit(sx, o);
}
for (int i = ky + 1; i <= idy; ++i) {
int ind = chng[y][i];
int o = a[ind] ^ b[ind] ^ y;
edit(sy, o);
}
return get(sx, sy);
}
Compilation message
potion.cpp:4:10: fatal error: Deb.h: No such file or directory
4 | #include "Deb.h"
| ^~~~~~~
compilation terminated.
