| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 212185 |
2020-03-22T12:27:38 Z |
Jatana |
Sweeping (JOI20_sweeping) |
C++17 |
|
4498 ms |
698364 KB |
/*
`-:://:::-
`//:-------:/:`
.+:--.......--:+`
`+:--..`````..--//`
.o:--..`` ``..--:o`
.o:--...```..---+/`
`/y+o/---....---:+o.
`...````-os+/:---:/+o/--.`
`-/+++++/:. `...` :h+d+oooo+/+-` ...
`/++//:::://++-`....` -.`//````````:` `..`
`o+/::------://o/` `-` -. -` `..`
`---.-o/:./o/::-..``..-ЗАПУСКАЕМ .. .. -` `... ``..``
`....o+:-++/:--.```..-://s. `-` .- -` `-o: .-//::::/:-`
`:s+/:--....-::/+s-` .- `- -` -///:--------:/:`
./s+//:::::://oo-``..НЕЙРОННУЮ: СЕТЬ:::::::-`РАБОТЯГИ `+:--........--:/`
.:ooo+++++osso-` `.:-...`/` ./::-------:/:` -` :+--..``````.--:+:...-+:-`
`.-/+++++/+-.-` -. ``:so:/:--.......--:+` `-```````o+/+--..`````..--:o/-..:s+:.
```````:``.. `-` -` `+:--..`````..--/+-.../.`````..-o:--.......---/o. `
`: `:- -. .o:--..`` ``..--:o` `-` `:o+:--------:+o-`
`-`-... .. .o/--...```..--:+/` `-` `oy/so/////++o/.`
-/` `-` `- ``+s/o/:---...---:++. `-` .-../d://///:-.`
`.---..``-..- .-/..`````-oo+/:::::/+o+- `-``-` `-. ````
`:++++/+++++- ..``.-/:` /y-:/++o++/:.`..` ./. `-
-++/::::::://+/..:-``:` .. `-.` ```.``` `..` `..`-` `-
`` -o//:--....-::/++` -.-` `-`.-` `..`..` `-.-
-----ss+:++/:--.```..-://s. /. `:: `-:. ./`
`````/:..+o/::-..``.--:/+s. ..-` `-``-` ..` `-` `-`-`
`-s+/::-----::/+oo---``-` .. .:- ``` .-` .-.- `-`
`:oo+//::://+os/..:`..-/:` :y.-:::::::.`.-` ./-` `-`
`./+oooooooo+/.`- .-:...`.. .//:-------://` `- `..` `:.
``.-::::-.``-/` `-` `- `oo:+:--.......--:/` `- `.:--h.``..```
-.-`.- .- `+:--..`````..--//` `- /s-//::::::::.
-` `/- .. .o:--..`` ``..--:o.```.- `//:--------://`
-` .-`.-` -.`-o/--...```..--:+/.``-:....``:-.+:--....`...--:+`
..`-. `-. ``:os:o/:---...---:++. `- ``///+:-..``````.--:+-````-.`
`.:///////.-` .:-..` -``-+o+/:::::/+o/. `- `:+:-..`````..--:o/:--/ys+-
`-++///////+o/. ``....`-. :` `.:++++++/:.` .- -o/---......---/o. `.`
`++//:-----::/+o:..` .-` : ``````` .- `+so+:--------:++-`
`````:-``:o/::-..`..--:/+o` -. `- .- `../../+o+////+o+:.`
-----syo/o+/:--.```..-://s. .-` `- .- `... ``-:////:-``
.` `/s//:--....-::/+s. -. `-` .- `..`
.+o+/:::--:://+s/-..` .::+y ``` .- `..`
./oo++////+oso-` `.... :y-+:::::::/` ...
`.:+oooooo/-` `....-. .//:-------:/:-.`
``...`` /+:+:--.......--:+`
`+:--..`````..--//`
.o:--..`` ``..--:o`
.+/--...```..--:+/`
`-o/:---...---:++.
`-+o+/:---:/+o/.
`.:+oooo+/-.`
``````
*/
#ifdef aimbot
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("unroll-loops")
#endif
#define hur(f, g) template<class c> int f(c a) {if (sizeof(c) == 8) return g##ll(a); else return g(a);}
hur(popc, __builtin_popcount) hur(ctz, __builtin_ctz) hur(clz, __builtin_clz)
/*
- place bitset modifications here
*/
#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <map>
#include <set>
#include <queue>
#include <ostream>
#include <istream>
#include <typeinfo>
#include <iomanip>
#include <cstdio>
#include <cstdlib>
#include <cassert>
#include <limits>
#include <fstream>
#include <array>
#include <list>
#include <bitset>
#include <functional>
#include <random>
#include <cstring>
#include <chrono>
#define random escape__from__random__aetuhoetnuhshe
#define mt make_tuple
#define x first
#define y second
#define pb push_back
#define mp make_pair
#define le(v) ((int)v.size())
#define f(i, n) for (int i = 0; i < (n); i++)
#define rof(i, n) for (int i = ((n) - 1); i >= 0; i--)
#define apply(v, act) for (auto &x : v) { act; }
#define log(args...) {string s = #args;deque<string> deq;\
string buf = "";int bal = 0;for (char c : s) {\
if (c == '(' || c == '[' || c == '{') {bal++;\
} else if (c == ')' || c == ']' || c == '}') {\
bal--;} else {if (bal == 0) {if (c == ',') {\
deq.pb(buf);buf = "";} else {if (c != ' ') {\
buf += c;}}}}}if (!buf.empty()) {deq.pb(buf);}\
smart_io::precall_print();smart_io::_print(deq, args);}
inline int min(const int &x, const int &y) { return (((y-x)>>(32-1))&(x^y))^x; }
inline int max(const int &x, const int &y) { return (((y-x)>>(32-1))&(x^y))^y; }
inline long long min(const long long &x, const long long &y) { return (((y-x)>>(64-1))&(x^y))^x; }
inline long long max(const long long &x, const long long &y) { return (((y-x)>>(64-1))&(x^y))^y; }
#define print \
smart_io::precall_print(); \
cout,
#define scan cin,
#ifdef fast_allocator
const int MAXMEM = 200 * 1000 * 1024;
char _memory[MAXMEM];
size_t _ptr = 0;
void* operator new(size_t _x) { _ptr += _x; assert(_ptr < MAXMEM); return _memory + _ptr - _x; }
void operator delete (void*) noexcept {}
#endif
using namespace std;
char string_in_buffer[(int)260];
void fast_scan(int &x) { scanf("%d", &x); }
void fast_scan(long long &x) { scanf("%lld", &x); }
void fast_scan(unsigned long long &x) { scanf("%llu", &x); }
void fast_scan(double &x) { scanf("%lf", &x); }
void fast_scan(long double &x) { scanf("%Lf", &x); }
void fast_scan(char &x) {
scanf("%c", &x);
if (x == '\n') {
fast_scan(x);
}
}
void fast_scan(string &x) {
scanf("%s", string_in_buffer);
x = string(string_in_buffer);
}
template<class TFirst, class TSecond>
void fast_scan(pair<TFirst, TSecond> &p) {
fast_scan(p.first);
fast_scan(p.second);
}
template <class T>
void fast_scan(vector<T> &v) {
for (auto &x : v) fast_scan(x);
}
void fast_print(const int &x) { printf("%d", x); }
void fast_print(const unsigned int &x) { printf("%u", x); }
void fast_print(const long long &x) { printf("%lld", x); }
void fast_print(const unsigned long long &x) { printf("%llu", x); }
void fast_print(const char &x) { printf("%c", x); };
// void fast_print(__int128 x) {
// if (x == 0) { fast_print('0'); return; }
// if (x < 0) {
// fast_print('-');
// x = -x;
// }
// __int128 p = 1;
// while (x / (p * 10)) p *= 10;
// while (p) {
// __int128 symb = x / p;
// fast_print((int)symb);
// x -= p * symb;
// p /= 10;
// }
// };
void fast_print(const double &x) { printf("%.15lf", x); }
void fast_print(const long double &x) { printf("%.15Lf", x); }
void fast_print(const string &x) { printf("%s", x.c_str());}
void fast_print(const char v[]) { fast_print((string)v); }
template<class TFirst, class TSecond>
void fast_print(const pair<TFirst, TSecond> &p) {
fast_print(p.first);
fast_print(' ');
fast_print(p.second);
}
template <class T>
void fast_print(const vector<T> &v) {
if (v.empty()) return;
fast_print(v[0]);
for (int i = 1; i < v.size(); i++) {
fast_print(' ');
fast_print(v[i]);
}
}
template <class T>
void fast_print(const vector<vector<T>> &v) {
if (v.empty()) return;
fast_print(v[0]);
for (int i = 1; i < v.size(); i++) {
fast_print('\n');
fast_print(v[i]);
}
}
template <class T>
void fast_print(const T &v) {
for (const auto &x : v) {
fast_print(x);
fast_print(' ');
}
}
using namespace std;
namespace smart_io {
string print_start = "";
string sep = " ";
bool first_print = false;
void precall_print() {
fast_print(print_start);
print_start = "\n";
first_print = true;
}
void _print(deque<string>) {}
template<class T, class... Args>
void _print(deque<string> names, T elem, Args... args) {
if (!first_print) {
fast_print("\n");
} else {
first_print = false;
}
fast_print(names.front());
fast_print(" = ");
fast_print(elem);
names.pop_front();
_print(names, args...);
}
} //namespace smart_io
template <class T>
ostream &operator,(ostream &os, const T &object) {
if (!smart_io::first_print) {
fast_print(smart_io::sep);
} else {
smart_io::first_print = false;
}
fast_print(object);
return os;
}
template <class T>
istream &operator,(istream &is, T &object) {
fast_scan(object);
return is;
}
namespace random {
using namespace std::chrono;
mt19937 rng(duration_cast< milliseconds >(
system_clock::now().time_since_epoch()
).count());
uniform_real_distribution<> prob_dist(0.0, 1.0);
};
namespace typedefs {
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef long double ld;
}
namespace numbers_operation {
template<class T>
inline T floor_mod(T a, const T &b) {
a %= b;
if (a < 0) a += b;
return a;
}
}
using namespace numbers_operation;
using namespace typedefs;
using namespace random;
struct Node;
struct Site {
Site *l = NULL, *r = NULL;
Node *god = NULL;
};
struct Node {
pii key; int prior;
pii mod = mp(-1, -1);
Node *l = NULL, *r = NULL;
Node *up = NULL; Node *pref = NULL;
vector<Site*> dep;
Node(pii _key) {
key = _key; prior = rng();
}
};
void push(Node *node) {
if (!node) return;
if (node->mod.x != -1) {
node->key.x = node->mod.x;
if (node->l) node->l->mod.x = node->mod.x;
if (node->r) node->r->mod.x = node->mod.x;
node->mod.x = -1;
}
if (node->mod.y != -1) {
node->key.y = node->mod.y;
if (node->l) node->l->mod.y = node->mod.y;
if (node->r) node->r->mod.y = node->mod.y;
node->mod.y = -1;
}
}
Node *merge(Node *l, Node *r) {
if (!r) return l;
if (!l) return r;
if (l->prior > r->prior) {
push(l);
l->r = merge(l->r, r);
if (l->r) l->r->pref = l;
return l;
} else {
push(r);
r->l = merge(l, r->l);
if (r->l) r->l->pref = r;
return r;
}
}
template<class TFunc>
pair<Node*, Node*> split(Node *node, TFunc func) {
// splits < x, >= x
if (!node) return mp(node, node);
push(node);
if (func(node->key)) { // returns true if node belong to left
if (node->r) node->r->pref = NULL;
auto tt = split(node->r, func);
node->r = tt.x;
if (node->r) node->r->pref = node;
return mp(node, tt.y);
} else {
if (node->l) node->l->pref = NULL;
auto tt = split(node->l, func);
node->l = tt.y;
if (node->l) node->l->pref = node;
return mp(tt.x, node);
}
}
void set_leader(Node *node, Node *lead) {
if (!node) return;
push(node);
node->up = lead;
set_leader(node->l, lead);
set_leader(node->r, lead);
}
Node *flex(Node *l, Node *r) {
if (!l) return r;
if (!r) return l;
push(l); push(r);
if (r->prior > l->prior) swap(l, r);
auto t0 = split(r, [&](pii key) {
return key < l->key;
});
auto t1 = split(t0.y, [&](pii key) {
return key <= l->key;
});
// if (t1.x) t1.x->up = l;
set_leader(t1.x, l);
if (l->l) l->l->pref = NULL;
l->l = flex(l->l, t0.x);
if (l->l) l->l->pref = l;
if (l->r) l->r->pref = NULL;
l->r = flex(l->r, t1.y);
if (l->r) l->r->pref = l;
return l;
}
Node *get_root(Node *node) {
assert(node);
if (!node->up) return node;
return node->up = get_root(node->up);
}
pii get_val(Node *node) {
assert(node);
node = get_root(node);
pii key = node->key;
while (node) {
if (node->mod.x != -1) {
key.x = node->mod.x;
}
if (node->mod.y != -1) {
key.y = node->mod.y;
}
node = node->pref;
}
return key;
}
pii get_min(Node *node) {
push(node);
while (node->l) {
node = node->l;
push(node);
}
return node->key;
}
pii get_max(Node *node) {
push(node);
while (node->r) {
node = node->r;
push(node);
}
return node->key;
}
struct Query {
int type;
int X;
pii pp;
};
vector<int> cords[2];
int zip(int t, int x) {
auto it = lower_bound(cords[t].begin(), cords[t].end(), x);
// assert(it != cords.end());
// assert(*it == x);
return it - cords[t].begin();
}
int zipU(int t, int x) {
return upper_bound(cords[t].begin(), cords[t].end(), x) - cords[t].begin();
}
void remove_dep(Node *node) {
for (Site *x : node->dep) {
if (x->l)
x->l->r = x->r;
if (x->r)
x->r->l = x->l;
delete x;
}
node->dep.clear();
}
struct Invoker {
int n;
vector<Site*> S;
void add(int i, int tl, int tr, int ql, int qr, Node *n) {
if (qr <= tl || tr <= ql) return;
if (ql <= tl && tr <= qr) {
Site *s = new Site;
s->god = n;
s->r = S[i]->r;
if (s->r)
s->r->l = s;
S[i]->r = s;
s->l = S[i];
n->dep.pb(s);
// S[i].pb(n);
} else {
int m = (tl + tr) / 2;
add(i + 1, tl, m, ql, qr, n);
add(i + (m - tl) * 2, m, tr, ql, qr, n);
}
}
void extract(int i, int tl, int tr, int j, vector<Node*> &pool) {
Site *s = S[i];
while (s) {
if (s->god)
pool.pb(s->god);
s = s->r;
}
if (tl + 1 != tr) {
int m = (tl + tr) / 2;
if (j < m) extract(i + 1, tl, m, j, pool);
else extract(i + (m - tl) * 2, m, tr, j, pool);
}
}
Invoker(int _n) {
n = _n;
S.resize(2 * n);
for (int i = 0; i < 2 * n; i++) {
S[i] = new Site;
}
}
};
signed main(signed argc, char *argv[]) {
int n, m, q; scan n, m, q;
vector<Node*> where;
vector<Node*> pts;
f(i, m) {
pii pp; scan pp;
pts.pb(new Node(pp));
where.pb(pts.back());
// cords.pb(pp.x); cords.pb(pp.y);
}
vector<pii> st;
vector<Query> qs;
f(i, q) {
int t; scan t;
if (t == 1) {
int id; scan id; id--;
qs.pb({t, id});
} else if (t == 2) {
int L; scan L;
cords[0].pb(L);
// cords.pb(n - L);
qs.pb({t, L});
} else if (t == 3) {
int L; scan L;
// cords.pb(L);
cords[1].pb(n - L);
qs.pb({t, L});
} else if (t == 4) {
pii pp; scan pp;
// cords.pb(pp.x); cords.pb(pp.y);
qs.pb({t, -1, pp});
} else assert(false);
}
f(t, 2) {
sort(cords[t].begin(), cords[t].end());
cords[t].resize(unique(cords[t].begin(), cords[t].end()) - cords[t].begin());
}
Invoker invX(le(cords[0]));
Invoker invY(le(cords[1]));
auto add_bomb = [&](Node *nd) {
if (!nd) return;
pii L = get_min(nd);
pii R = get_max(nd);
// well, so here some special cases can be handled
if (L.y == R.y) {
invX.add(0, 0, le(cords[0]), zip(0, L.y), zip(0, n - L.x), nd);
invY.add(0, 0, le(cords[1]), zipU(1, L.y), zipU(1, n - L.x), nd);
} else {
assert(L.x == R.x);
invY.add(0, 0, le(cords[1]), zipU(1, L.y), zip(1, n - L.x), nd);
invX.add(0, 0, le(cords[0]), zip(0, L.y), zip(0, n - L.x) - 1, nd);
}
};
for (int i = 0; i < le(where); i++) {
add_bomb(where[i]);
}
f(i, q) {
int t = qs[i].type;
if (t == 1) {
int id = qs[i].X;
print get_val(where[id]);
} else if (t == 2) {
int L = qs[i].X;
Node *up = NULL;
vector<Node*> pool;
invX.extract(0, 0, le(cords[0]), zip(0, L), pool);
// invY.extract(0, 0, le(cords), zip(L), pool);
// sort(pool.begin(), pool.end());
// pool.resize(unique(pool.begin(), pool.end()) - pool.begin());
for (Node *nd : pool) {
remove_dep(nd);
}
for (Node *nd : pool) {
auto tt = split(nd, [&](pii pp) {
return pp.y <= L && pp.x < n - L;
});
if (tt.x) tt.x->mod.x = (n - L);
if (tt.y) {
add_bomb(tt.y);
}
up = flex(up, tt.x);
}
if (up)
add_bomb(up);
} else if (t == 3) {
int L = qs[i].X;
// for (pii &pp : pts) {
// if (pp.x <= L && pp.y < n - L) {
// pp.y = n - L;
// }
// }
Node *up = NULL;
vector<Node*> pool;
// invX.extract(0, 0, le(cords), zip(L), pool);
invY.extract(0, 0, le(cords[1]), zip(1, n - L), pool);
for (Node *nd : pool) {
remove_dep(nd);
}
for (Node *nd : pool) {
auto tt = split(nd, [&](pii pp) {
return pp.x <= L && pp.y < n - L;
});
if (tt.x) tt.x->mod.y = n - L;
if (tt.y)
add_bomb(tt.y);
up = flex(up, tt.x);
}
if (up)
add_bomb(up);
} else if (t == 4) {
pii pp = qs[i].pp;
pts.pb(new Node(pp));
where.pb(pts.back());
add_bomb(where.back());
} else assert(false);
}
}
Compilation message
sweeping.cpp: In function 'void fast_scan(int&)':
sweeping.cpp:141:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
void fast_scan(int &x) { scanf("%d", &x); }
~~~~~^~~~~~~~~~
sweeping.cpp: In function 'void fast_scan(long long int&)':
sweeping.cpp:142:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
void fast_scan(long long &x) { scanf("%lld", &x); }
~~~~~^~~~~~~~~~~~
sweeping.cpp: In function 'void fast_scan(long long unsigned int&)':
sweeping.cpp:143:46: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
void fast_scan(unsigned long long &x) { scanf("%llu", &x); }
~~~~~^~~~~~~~~~~~
sweeping.cpp: In function 'void fast_scan(double&)':
sweeping.cpp:144:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
void fast_scan(double &x) { scanf("%lf", &x); }
~~~~~^~~~~~~~~~~
sweeping.cpp: In function 'void fast_scan(long double&)':
sweeping.cpp:145:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
void fast_scan(long double &x) { scanf("%Lf", &x); }
~~~~~^~~~~~~~~~~
sweeping.cpp: In function 'void fast_scan(char&)':
sweeping.cpp:147:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%c", &x);
~~~~~^~~~~~~~~~
sweeping.cpp: In function 'void fast_scan(std::__cxx11::string&)':
sweeping.cpp:153:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%s", string_in_buffer);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
16 ms |
1664 KB |
Output is correct |
| 2 |
Incorrect |
14 ms |
1024 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
4498 ms |
268072 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
4137 ms |
698364 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
4137 ms |
698364 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
16 ms |
1664 KB |
Output is correct |
| 2 |
Incorrect |
14 ms |
1024 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
