Submission #46633

# Submission time Handle Problem Language Result Execution time Memory
46633 2018-04-22T12:17:31 Z Jatana Foehn Phenomena (JOI17_foehn_phenomena) C++17
30 / 100
1000 ms 28600 KB
/*
                                                                                                     
                                             `-:://:::-                                             
                                           `//:-------:/:`                                          
                                          .+:--.......--:+`                                         
                                         `+:--..`````..--//`                                        
                                         .o:--..`` ``..--:o`                                        
                                         .o:--...```..---+/`                                        
                                       `/y+o/---....---:+o.                                         
                                   `...````-os+/:---:/+o/--.`                                       
              `-/+++++/:.      `...`       :h+d+oooo+/+-`   ...                                     
            `/++//:::://++-`....`         -.`//````````:`     `..`                                  
           `o+/::------://o/`           `-` -.          -`       `..`                               
 `---.-o/:./o/::-..``..-ЗАПУСКАЕМ      ..  ..            -`        `...       ``..``                
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          `:s+/:--....-::/+s-`      .-   `-                -`           -///:--------:/:`           
           ./s+//:::::://oo-``..НЕЙРОННУЮ: СЕТЬ:::::::-`РАБОТЯГИ        `+:--........--:/`          
            .:ooo+++++osso-`    `.:-...`/` ./::-------:/:`   -`         :+--..``````.--:+:...-+:-`  
             `.-/+++++/+-.-`    -.   ``:so:/:--.......--:+`  `-```````o+/+--..`````..--:o/-..:s+:.  
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                         `-`-...    ..   .o/--...```..--:+/`    `-`     `oy/so/////++o/.`           
                          -/`  `-` `- ``+s/o/:---...---:++.      `-`   .-../d://///:-.`             
                `.---..``-..-    .-/..`````-oo+/:::::/+o+-        `-``-`  `-.  ````                 
             `:++++/+++++-  ..``.-/:`      /y-:/++o++/:.`..`       ./.   `-                         
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       ``  -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

#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>

#define mt make_tuple
#define x first
#define y second
#define pb push_back
#define ppb pop_back
#define mp make_pair
#define umap unordered_map
#define uset unordered_set
#define elif else if
#define len(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 fuck(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);}

#define print    \
smart_io::precall_print(); \
cout,

#define scan cin,

#ifdef fast_allocator
const int MAXMEM = 50000000;
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 long long &x) { printf("%lld", x); }
void fast_print(const unsigned long long &x) { printf("%llu", x); }
void fast_print(const double &x) { printf("%.15lf", x); }
void fast_print(const long double &x) { printf("%.15Lf", x); }
void fast_print(const char &x) { printf("%c", 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 kek, Args... args) {
		if (!first_print) {
			fast_print("\n");
		} else {
			first_print = false;
		}
		fast_print(names.front());
		fast_print(" = ");
		fast_print(kek);
		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;
}

#define int long long

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>
	T floor_mod(T a, T b) {
		if (a % b == 0) return 0;
		if (a >= 0 && b >= 0) return a % b;
		if (a <= 0 && b <= 0) return a % b;
		return abs(b) - (abs(a) % abs(b));
	}
}

using namespace numbers_operation;
using namespace typedefs;

int n, q, up, down;
vector<int> v;

struct Node {
	Node *l = NULL, *r = NULL;
	int value = 0;
	int mod = 0;
	int tl, tr;

	bool is_list() {
		return tl + 1 == tr;
	}

	bool included_by(int ql, int qr) {
		return ql <= tl && tr <= qr;
	}

	bool intersects(int ql, int qr) {
		return !(tr <= ql || qr <= tl);
	}

	Node(int _tl, int _tr, const vector<int> &from) {
		tl = _tl;
		tr = _tr;

		if (!is_list()) {
			int mid = (tl + tr) / 2;
			l = new Node(tl, mid, from);
			r = new Node(mid, tr, from);
		} else {
			value = from[tl];
		}
	}

	void push() {
		if (is_list()) {
			value += mod;
		} else {
			l->mod += mod;
			r->mod += mod;
			value += mod;
		}	
		mod = 0;
	}

	int get_value() {
		return value + mod;	
	}

	void update(int ql, int qr, int d) {
		push();
		if (included_by(ql, qr)) {
			mod += d;
		} else {
			if (l->intersects(ql, qr)) {
				l->update(ql, qr, d);
			}
			if (r->intersects(ql, qr)) {
				r->update(ql, qr, d);
			}
			value = l->get_value() + r->get_value();
		}
	}

	int get(int ind) {
		push();
		if (is_list()) {
			return value;
		} else {
			if (ind < l->tr) {
				return l->get(ind);
			} else {
				return r->get(ind);
			}
		}
	}
};

signed main(signed argc, char *argv[]) {
	{
		scan n, q, up, down;
		n++;
		v.resize(n);
	}	
	{
		scan v;
	}
	Node *node = new Node(0, n, v);
	auto get_change = [node](int i) {
		if (!(0 <= i && i < n - 1)) return 0LL;
		if (node->get(i + 1) > node->get(i)) {
			return abs(node->get(i + 1) - node->get(i)) * up;
		} else {
			return -abs(node->get(i + 1) - node->get(i)) * down;
		}
	};
	ll temp = 0;
	{
		f(i, n - 1) {
			temp += get_change(i);	
		}
	}
	{
		f(i, q) {
			int l, r, d;
			scan l, r, d;
			// l--;
			r++;
			temp -= get_change(l - 1);
			temp -= get_change(r - 1);
			node->update(l, r, d);
			temp += get_change(l - 1);
			temp += get_change(r - 1);
			print -temp;
		}
	}
}

Compilation message

foehn_phenomena.cpp: In function 'void fast_scan(int&)':
foehn_phenomena.cpp:131:31: 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); }
                          ~~~~~^~~~~~~~~~
foehn_phenomena.cpp: In function 'void fast_scan(long long int&)':
foehn_phenomena.cpp:132:37: 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); }
                                ~~~~~^~~~~~~~~~~~
foehn_phenomena.cpp: In function 'void fast_scan(long long unsigned int&)':
foehn_phenomena.cpp:133:46: 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); }
                                         ~~~~~^~~~~~~~~~~~
foehn_phenomena.cpp: In function 'void fast_scan(double&)':
foehn_phenomena.cpp:134:34: 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); }
                             ~~~~~^~~~~~~~~~~
foehn_phenomena.cpp: In function 'void fast_scan(long double&)':
foehn_phenomena.cpp:135:39: 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); }
                                  ~~~~~^~~~~~~~~~~
foehn_phenomena.cpp: In function 'void fast_scan(char&)':
foehn_phenomena.cpp:137:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%c", &x); 
  ~~~~~^~~~~~~~~~
foehn_phenomena.cpp: In function 'void fast_scan(std::__cxx11::string&)':
foehn_phenomena.cpp:143:7: 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 9 ms 632 KB Output is correct
2 Correct 9 ms 788 KB Output is correct
3 Correct 8 ms 904 KB Output is correct
4 Correct 10 ms 908 KB Output is correct
5 Correct 8 ms 944 KB Output is correct
6 Correct 8 ms 944 KB Output is correct
7 Correct 8 ms 948 KB Output is correct
8 Correct 8 ms 948 KB Output is correct
9 Correct 8 ms 948 KB Output is correct
10 Correct 8 ms 1016 KB Output is correct
11 Correct 8 ms 1028 KB Output is correct
12 Correct 8 ms 1032 KB Output is correct
13 Correct 6 ms 1032 KB Output is correct
14 Correct 7 ms 1032 KB Output is correct
15 Correct 7 ms 1032 KB Output is correct
16 Correct 8 ms 1032 KB Output is correct
17 Correct 6 ms 1032 KB Output is correct
18 Correct 7 ms 1032 KB Output is correct
19 Correct 2 ms 1032 KB Output is correct
20 Correct 2 ms 1032 KB Output is correct
21 Correct 2 ms 1032 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 1087 ms 28600 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 9 ms 632 KB Output is correct
2 Correct 9 ms 788 KB Output is correct
3 Correct 8 ms 904 KB Output is correct
4 Correct 10 ms 908 KB Output is correct
5 Correct 8 ms 944 KB Output is correct
6 Correct 8 ms 944 KB Output is correct
7 Correct 8 ms 948 KB Output is correct
8 Correct 8 ms 948 KB Output is correct
9 Correct 8 ms 948 KB Output is correct
10 Correct 8 ms 1016 KB Output is correct
11 Correct 8 ms 1028 KB Output is correct
12 Correct 8 ms 1032 KB Output is correct
13 Correct 6 ms 1032 KB Output is correct
14 Correct 7 ms 1032 KB Output is correct
15 Correct 7 ms 1032 KB Output is correct
16 Correct 8 ms 1032 KB Output is correct
17 Correct 6 ms 1032 KB Output is correct
18 Correct 7 ms 1032 KB Output is correct
19 Correct 2 ms 1032 KB Output is correct
20 Correct 2 ms 1032 KB Output is correct
21 Correct 2 ms 1032 KB Output is correct
22 Execution timed out 1087 ms 28600 KB Time limit exceeded
23 Halted 0 ms 0 KB -