/*************************************
* author: marvinthang *
* created: 08.07.2023 17:25:42 *
*************************************/
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define left ___left
#define right ___right
#define TIME (1.0 * clock() / CLOCKS_PER_SEC)
#define MASK(i) (1LL << (i))
#define BIT(x, i) ((x) >> (i) & 1)
#define __builtin_popcount __builtin_popcountll
#define ALL(v) (v).begin(), (v).end()
#define REP(i, n) for (int i = 0, _n = (n); i < _n; ++i)
#define REPD(i, n) for (int i = (n); i--; )
#define FOR(i, a, b) for (int i = (a), _b = (b); i < _b; ++i)
#define FORD(i, b, a) for (int i = (b), _a = (a); --i >= _a; )
#define FORE(i, a, b) for (int i = (a), _b = (b); i <= _b; ++i)
#define FORDE(i, b, a) for (int i = (b), _a = (a); i >= _a; --i)
#define scan_op(...) istream & operator >> (istream &in, __VA_ARGS__ &u)
#define print_op(...) ostream & operator << (ostream &out, const __VA_ARGS__ &u)
#ifdef LOCAL
#include "debug.h"
#else
#define file(name) if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
#define DB(...) 23
#define db(...) 23
#define debug(...) 23
#endif
template <class U, class V> scan_op(pair <U, V>) { return in >> u.first >> u.second; }
template <class T> scan_op(vector <T>) { for (size_t i = 0; i < u.size(); ++i) in >> u[i]; return in; }
template <class U, class V> print_op(pair <U, V>) { return out << '(' << u.first << ", " << u.second << ')'; }
template <size_t i, class T> ostream & print_tuple_utils(ostream &out, const T &tup) { if constexpr(i == tuple_size<T>::value) return out << ")"; else return print_tuple_utils<i + 1, T>(out << (i ? ", " : "(") << get<i>(tup), tup); }
template <class ...U> print_op(tuple<U...>) { return print_tuple_utils<0, tuple<U...>>(out, u); }
template <class Con, class = decltype(begin(declval<Con>()))> typename enable_if <!is_same<Con, string>::value, ostream&>::type operator << (ostream &out, const Con &con) { out << '{'; for (__typeof(con.begin()) it = con.begin(); it != con.end(); ++it) out << (it == con.begin() ? "" : ", ") << *it; return out << '}'; }
// end of template
const int MAX = 2e5 + 5;
int N, K;
pair <long long, long long> A[MAX];
void init(void) {
cin >> N >> K;
REP(i, N) {
int x, y; cin >> x >> y;
A[i] = make_pair(x + y, x - y);
}
}
bool check(int m) {
multiset <long long> s;
int j = 0;
int cnt = 0;
REP(i, N) {
while (A[i].fi - A[j].fi > m) s.erase(s.find(A[j++].se));
for (auto it = s.lower_bound(A[i].se - m); it != s.end() && *it <= A[i].se + m; ++it) {
if (++cnt >= K) return true;
}
s.insert(A[i].se);
}
return false;
}
void process(void) {
sort(A, A + N);
long long l = 0, r = 4e9;
while (l <= r) {
long long m = l + r >> 1;
if (check(m)) r = m - 1;
else l = m + 1;
}
multiset <pair <long long, long long>> s;
int j = 0;
vector <long long> v;
--l;
REP(i, N) {
while (A[i].fi - A[j].fi > l) {
s.erase(make_pair(A[j].se, A[j].fi));
j++;
}
for (auto it = s.lower_bound(make_pair(A[i].se - l, -2e9)); it != s.end() && it->fi <= A[i].se + l; ++it) {
v.push_back(max(abs(A[i].fi - it->se), abs(A[i].se - it->fi)));
}
s.emplace(A[i].se, A[i].fi);
}
sort(ALL(v));
for (long long x: v) cout << x << '\n';
K -= v.size();
while (K--) cout << l + 1 << '\n';
}
int main(void) {
ios_base::sync_with_stdio(false); cin.tie(nullptr); // cout.tie(nullptr);
file("road_construction");
init();
process();
cerr << "Time elapsed: " << TIME << " s.\n";
return (0^0);
}
Compilation message
road_construction.cpp: In function 'void process()':
road_construction.cpp:76:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
76 | long long m = l + r >> 1;
| ~~^~~
road_construction.cpp: In function 'int main()':
road_construction.cpp:30:61: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
30 | #define file(name) if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
road_construction.cpp:102:2: note: in expansion of macro 'file'
102 | file("road_construction");
| ^~~~
road_construction.cpp:30:94: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
30 | #define file(name) if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
road_construction.cpp:102:2: note: in expansion of macro 'file'
102 | file("road_construction");
| ^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
71 ms |
5056 KB |
Output is correct |
| 2 |
Correct |
72 ms |
5004 KB |
Output is correct |
| 3 |
Execution timed out |
10023 ms |
340 KB |
Time limit exceeded |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
28 ms |
9420 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
45 ms |
10920 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
45 ms |
10920 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
71 ms |
5056 KB |
Output is correct |
| 2 |
Correct |
72 ms |
5004 KB |
Output is correct |
| 3 |
Execution timed out |
10023 ms |
340 KB |
Time limit exceeded |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
71 ms |
5056 KB |
Output is correct |
| 2 |
Correct |
72 ms |
5004 KB |
Output is correct |
| 3 |
Execution timed out |
10023 ms |
340 KB |
Time limit exceeded |
| 4 |
Halted |
0 ms |
0 KB |
- |
