답안 #46648

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
46648 2018-04-22T13:27:47 Z Jatana The Kingdom of JOIOI (JOI17_joioi) C++17
60 / 100
4000 ms 126384 KB
/*
                                                                                                     
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                                           `//:-------:/:`                                          
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                                       `/y+o/---....---:+o.                                         
                                   `...````-os+/:---:/+o/--.`                                       
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                       ..`-.   `-.   ``: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;
}

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 solve(vector<vector<int>> v) {
	int n = len(v);
	int m = len(v[0]);
	
	vector<pii> all;	
	f(i, n) {
		f(j, m) {
			all.emplace_back(i, j);
		}
	}
	sort(all.begin(), all.end(), [&v](pii a, pii b) {
		return v[a.x][a.y] < v[b.x][b.y];
	});

	vector<vector<int>> pr_min = v;
	vector<vector<int>> pr_max = v;

	f(i, n) {
		rof(j, m) {
			if (i > 0) {
				pr_min[i][j] = min(pr_min[i][j], pr_min[i - 1][j]);
				pr_max[i][j] = max(pr_max[i][j], pr_max[i - 1][j]);
			}
			if (j < m - 1) {
				pr_min[i][j] = min(pr_min[i][j], pr_min[i][j + 1]);
				pr_max[i][j] = max(pr_max[i][j], pr_max[i][j + 1]);
			}
		}
	}

	int left = 2e9, right = -2e9;
	int rez = 2e9;
	rof(i, len(all)) {
		left = min(left, pr_min[all[i].x][all[i].y]);
		right = max(right, pr_max[all[i].x][all[i].y]);
		int d = (i == 0) ? 0 : v[all[i - 1].x][all[i - 1].y] - v[all[0].x][all[0].y];
		rez = min(rez, max(right - left, d));
	}
	return rez;
}

vector<vector<int>> rotate(vector<vector<int>> v) {
	int n = len(v);
	int m = len(v[0]);
	vector<vector<int>> rez(m, vector<int>(n));
	f(i, n) {
		f(j, m) {
			rez[m - j - 1][i] = v[i][j];
		}
	}
	return rez;
}

signed main(signed argc, char *argv[]) {
	int n, m;
	vector<vector<int>> v;
	{
		scan n, m;
		v.resize(n, vector<int>(m));
		scan v;
	}	
	{
		int rez = 2e9;
		f(t, 5) {
			rez = min(rez, solve(v));
			v = rotate(v);
		}
		print rez;
	}
}

Compilation message

joioi.cpp: In function 'void fast_scan(int&)':
joioi.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); }
                          ~~~~~^~~~~~~~~~
joioi.cpp: In function 'void fast_scan(long long int&)':
joioi.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); }
                                ~~~~~^~~~~~~~~~~~
joioi.cpp: In function 'void fast_scan(long long unsigned int&)':
joioi.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); }
                                         ~~~~~^~~~~~~~~~~~
joioi.cpp: In function 'void fast_scan(double&)':
joioi.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); }
                             ~~~~~^~~~~~~~~~~
joioi.cpp: In function 'void fast_scan(long double&)':
joioi.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); }
                                  ~~~~~^~~~~~~~~~~
joioi.cpp: In function 'void fast_scan(char&)':
joioi.cpp:137:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%c", &x); 
  ~~~~~^~~~~~~~~~
joioi.cpp: In function 'void fast_scan(std::__cxx11::string&)':
joioi.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);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 416 KB Output is correct
4 Correct 2 ms 416 KB Output is correct
5 Correct 2 ms 532 KB Output is correct
6 Correct 2 ms 628 KB Output is correct
7 Correct 2 ms 628 KB Output is correct
8 Correct 2 ms 652 KB Output is correct
9 Correct 2 ms 660 KB Output is correct
10 Correct 2 ms 660 KB Output is correct
11 Correct 2 ms 660 KB Output is correct
12 Correct 2 ms 660 KB Output is correct
13 Correct 2 ms 676 KB Output is correct
14 Correct 2 ms 680 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 416 KB Output is correct
4 Correct 2 ms 416 KB Output is correct
5 Correct 2 ms 532 KB Output is correct
6 Correct 2 ms 628 KB Output is correct
7 Correct 2 ms 628 KB Output is correct
8 Correct 2 ms 652 KB Output is correct
9 Correct 2 ms 660 KB Output is correct
10 Correct 2 ms 660 KB Output is correct
11 Correct 2 ms 660 KB Output is correct
12 Correct 2 ms 660 KB Output is correct
13 Correct 2 ms 676 KB Output is correct
14 Correct 2 ms 680 KB Output is correct
15 Correct 3 ms 732 KB Output is correct
16 Correct 20 ms 1908 KB Output is correct
17 Correct 38 ms 2280 KB Output is correct
18 Correct 43 ms 2552 KB Output is correct
19 Correct 40 ms 2852 KB Output is correct
20 Correct 33 ms 2984 KB Output is correct
21 Correct 40 ms 3476 KB Output is correct
22 Correct 37 ms 3812 KB Output is correct
23 Correct 39 ms 4300 KB Output is correct
24 Correct 33 ms 4516 KB Output is correct
25 Correct 40 ms 5000 KB Output is correct
26 Correct 43 ms 5384 KB Output is correct
27 Correct 39 ms 5712 KB Output is correct
28 Correct 41 ms 6164 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 416 KB Output is correct
4 Correct 2 ms 416 KB Output is correct
5 Correct 2 ms 532 KB Output is correct
6 Correct 2 ms 628 KB Output is correct
7 Correct 2 ms 628 KB Output is correct
8 Correct 2 ms 652 KB Output is correct
9 Correct 2 ms 660 KB Output is correct
10 Correct 2 ms 660 KB Output is correct
11 Correct 2 ms 660 KB Output is correct
12 Correct 2 ms 660 KB Output is correct
13 Correct 2 ms 676 KB Output is correct
14 Correct 2 ms 680 KB Output is correct
15 Correct 3 ms 732 KB Output is correct
16 Correct 20 ms 1908 KB Output is correct
17 Correct 38 ms 2280 KB Output is correct
18 Correct 43 ms 2552 KB Output is correct
19 Correct 40 ms 2852 KB Output is correct
20 Correct 33 ms 2984 KB Output is correct
21 Correct 40 ms 3476 KB Output is correct
22 Correct 37 ms 3812 KB Output is correct
23 Correct 39 ms 4300 KB Output is correct
24 Correct 33 ms 4516 KB Output is correct
25 Correct 40 ms 5000 KB Output is correct
26 Correct 43 ms 5384 KB Output is correct
27 Correct 39 ms 5712 KB Output is correct
28 Correct 41 ms 6164 KB Output is correct
29 Execution timed out 4019 ms 126384 KB Time limit exceeded
30 Halted 0 ms 0 KB -