#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define int long long
#define FOR(i, a, b) for (int i = (a); i <= (b); i++)
#define FORD(i, a, b) for (int i = (b); i >= (a); i --)
#define REP(i, a) for (int i = 0; i < (a); ++i)
#define REPD(i, a) for (int i = (a) - 1; i >= 0; --i)
#define MASK(i) (1LL << (i))
#define BIT(x, i) (((x) >> (i)) & 1)
constexpr ll LINF = (1ll << 60);
constexpr int INF = (1ll << 30);
constexpr int Mod = 1e9 + 7;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
/*
Phu Trong from Nguyen Tat Thanh High School for gifted student
*/
template <class X, class Y>
bool minimize(X &x, const Y &y){
X eps = 1e-9;
if (x > y + eps) {x = y; return 1;}
return 0;
}
template <class X, class Y>
bool maximize(X &x, const Y &y){
X eps = 1e-9;
if (x + eps < y) {x = y; return 1;}
return 0;
}
#define MAX 200005
int N, K;
pair<int, int> A[MAX];
int ans[MAX];
void process(void){
cin >> N >> K;
for (int i = 1; i <= N; ++i){
int x, y;
cin >> x >> y;
A[i] = make_pair(x + y, x - y);
}
sort(A + 1, A + N + 1);
/*
After rotating the plane by 45 degree, the Manhattan distance becomes Chebyshev distance instead
Chebyshev between two point A(x1, y1) and B(x2, y2) is max(|x2 - x1|, |y2 - y1|)
*/
auto check = [&](int x){
multiset<int> mySet;
int j = 1, cnt = 0;
for (int i = 1; i <= N; ++i){
while (A[i].first - A[j].first > x){
mySet.erase(mySet.find(A[j].second));
++j;
}
auto it = mySet.lower_bound(A[j].second - x);
for (; it != mySet.end(); ++it){
if ((*it) > A[j].second + x) break;
++cnt;
if (cnt > K) return false;
}
mySet.insert(A[i].second);
}
return true;
};
int l = -1, r = 3e9;
while (r - l > 1){
int m = (l + r) >> 1;
if(check(m)) l = m;
else r = m;
}
multiset<pair<int, int>> mySet;
int j = 1;
vector<int> res;
for (int i = 1; i <= N; ++i){
while (A[i].first - A[j].first > l) {
mySet.erase(mySet.find(make_pair(A[j].second, A[j].first)));
++j;
}
auto it = mySet.lower_bound(make_pair(A[i].second - l, -INF));
for (; it != mySet.end(); ++it){
if ((*it).first > A[i].second + l) break;
int dis = max(abs(A[i].first - (*it).second), abs(A[i].second - (*it).first));
res.emplace_back(dis);
}
mySet.insert(make_pair(A[i].second, A[i].first));
}
sort(res.begin(), res.end());
for (int i = 0; i < K; ++i){
if (i + 1 > (int)res.size()) break;
ans[i] = res[i];
}
for (int i = res.size(); i < K; ++i){
ans[i] = l + 1;
}
for (int i = 0; i < K; ++i) cout << ans[i] << '\n';
}
signed main(){
#define name "Whisper"
cin.tie(nullptr) -> sync_with_stdio(false);
//freopen(name".inp", "r", stdin);
//freopen(name".out", "w", stdout);
process();
return (0 ^ 0);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
53 ms |
7052 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
23 ms |
12344 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
39 ms |
10952 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
39 ms |
10952 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
53 ms |
7052 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
53 ms |
7052 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
