#include <bits/stdc++.h>
using namespace std;
#define int long long
const int MAXN = 5e5 + 2;
const int MOD = 1e9 + 7;
mt19937_64 rng((int)std::chrono::steady_clock::now().time_since_epoch().count());
int rnd(int x, int y) {
int u = uniform_int_distribution<int>(x, y)(rng); return u;
}
int bm(int b, int p) {
if(p==0) return 1 % MOD;
int r = bm(b, p >> 1);
if(p&1) return (((r*r) % MOD) * b) % MOD;
return (r*r) % MOD;
}
int inv(int b) {
return bm(b, MOD-2);
}
int fastlog(int x) {
return (x == 0 ? -1 : 64 - __builtin_clzll(x) - 1);
}
void printcase(int i) { cout << "Case #" << i << ": "; }
bool cmp1(pair<int,int> x, pair<int,int> y) {
return x.first+x.second < y.first+y.second;
}
bool cmp2(pair<int,int> x, pair<int,int> y) {
return x.first-x.second < y.first-y.second;
}
int bit[MAXN];
void add(int x, int v) {
for(;x<MAXN;x+=x&-x) bit[x] += v;
}
int sum(int x) {
int s=0;
for(;x;x-=x&-x) s += bit[x];
return s;
}
void clear() {
for(int i=0; i<MAXN; i++) bit[i] = 0;
}
int g[MAXN], w[MAXN], m;
int count(vector<pair<int,int> >v, int d) {
int n = v.size();
int ans=0;
clear();
int j=0;
for(int i=0; i<v.size(); i++) {
while(j<i && (v[i].first+v[i].second)-(v[j].first+v[j].second) > d) {
add(w[j], -1);
j++;
}
int l=1, r=m;
while(l<r) {
int mid=(l+r+1)>>1;
if(g[mid]<=v[i].first-v[i].second+d) l=mid;
else r=mid-1;
}
int ub = l;
l=1, r=m;
while(l<r) {
int mid=(l+r)>>1;
if(g[mid]>=v[i].first-v[i].second-d) r=mid;
else l=mid+1;
}
int lb = l;
ans += sum(ub) - (lb == 0 ? 0 : sum(lb-1));
add(w[i], 1);
}
return ans;
}
vector<int> all(vector<pair<int,int> >v, int d) {
int n = v.size();
int j=0;
vector<int> result;
multiset<pair<int, int> > ms;
for(int i=0; i<v.size(); i++) {
while(j<i && (v[i].first+v[i].second)-(v[j].first+v[j].second) > d) {
ms.erase(ms.lower_bound({v[j].first-v[j].second, v[j].first+v[j].second}));
j++;
}
int ub = v[i].first-v[i].second+d, lb = v[i].first-v[i].second-d;
if(ms.size()) {
auto it = ms.lower_bound({lb, -4e9});
while(it != ms.end() && (*it).first <= ub) {
int x = abs((*it).first - (v[i].first - v[i].second));
int y = abs((*it).second - (v[i].first + v[i].second));
result.push_back(max(x, y));
it++;
}
}
ms.insert({v[i].first-v[i].second, v[i].first+v[i].second});
}
return result;
}
void solve(int tc) {
int n, k;
n = 100000;
k = n;
//cin >> n >> k;
vector<pair<int,int> > points;
for(int i=0; i<n; i++) {
int x, y;
x = rnd(-1e9, 1e9);
y = rnd(-1e9, 1e9);
//cin >> x >> y;
points.push_back({x, y});
}
set<int>disc;
for(int i=0; i<n; i++) {
disc.insert(points[i].first-points[i].second);
}
sort(points.begin(), points.end(), cmp1);
int it=1;
map<int,int>is;
for(int x: disc) {
is[x] = it;
g[it] = x;
it++;
}
for(int i=0; i<n; i++) w[i] = is[points[i].first-points[i].second];
m = it-1;
int lb = 0, rb = 4e9;
while(lb < rb) {
int mid = (lb + rb + 1) >> 1;
int c = count(points, mid);
if(c <= k) lb = mid;
else rb = mid - 1;
}
vector<int> res = all(points, lb);
sort(res.begin(), res.end());
for(int x: res) cout << x << "\n";
int finc = count(points, lb);
if(finc < k) {
rb = 4e9;
lb++;
while(lb < rb) {
int mid = (lb + rb) >> 1;
int c = count(points, mid);
if(c != finc) rb = mid;
else lb = mid + 1;
}
for(int i=finc+1; i<=k; i++) cout << lb << "\n";
}
}
int32_t main() {
ios::sync_with_stdio(0); cin.tie(0);
int t = 1; //cin >> t;
for(int i=1; i<=t; i++) solve(i);
}
Compilation message
road_construction.cpp: In function 'long long int count(std::vector<std::pair<long long int, long long int> >, long long int)':
road_construction.cpp:47:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
47 | for(int i=0; i<v.size(); i++) {
| ~^~~~~~~~~
road_construction.cpp:43:7: warning: unused variable 'n' [-Wunused-variable]
43 | int n = v.size();
| ^
road_construction.cpp: In function 'std::vector<long long int> all(std::vector<std::pair<long long int, long long int> >, long long int)':
road_construction.cpp:77:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
77 | for(int i=0; i<v.size(); i++) {
| ~^~~~~~~~~
road_construction.cpp:73:7: warning: unused variable 'n' [-Wunused-variable]
73 | int n = v.size();
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1239 ms |
22468 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1302 ms |
22464 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1226 ms |
22492 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1226 ms |
22492 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1239 ms |
22468 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1239 ms |
22468 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
