Submission #108764

# Submission time Handle Problem Language Result Execution time Memory
108764 2019-05-01T16:08:12 Z Jatana Sterilizing Spray (JOI15_sterilizing) C++17
80 / 100
5000 ms 5676 KB
/*
                                                                                                     
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            ./oo++////+oso-`   `....       :y-+:::::::/`   ...                                      
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                                          `-+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>
#include <chrono>

#define random escape__from__random__aetuhoetnuhshe
#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 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);}

#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 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 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>
	T floor_mod(T a, T b) {
		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;
using namespace random;

int n, q, d;

const int N = (1 << 20);
int T[2 * N + 1];
ll S[2 * N + 1];

void _set(int i, int tl, int tr, int j, int value) {
	if (tl + 1 == tr) {
		T[i] = value;
		S[i] = value;
	} else {
		int m = (tl + tr) / 2;
		if (j < m) {
			_set(i * 2 + 1, tl, m, j, value);
		} else {
			_set(i * 2 + 2, m, tr, j, value);	
		}
		T[i] = max(T[i * 2 + 1], T[i * 2 + 2]);
		S[i] = S[i * 2 + 1] + S[i * 2 + 2];
	}
}

void spray(int i, int tl, int tr, int ql, int qr) {
	if (tr <= ql || qr <= tl) return;	
	if (T[i] == 0) return;	
	if (tl + 1 == tr) {
		T[i] /= d;
		S[i] /= d;
	} else {
		int m = (tl + tr) / 2;
		spray(i * 2 + 1, tl, m, ql, qr);
		spray(i * 2 + 2, m, tr, ql, qr);
		T[i] = max(T[i * 2 + 1], T[i * 2 + 2]);
		S[i] = S[i * 2 + 1] + S[i * 2 + 2];
	}
}

ll sum(int i, int tl, int tr, int ql, int qr) {
	if (tr <= ql || qr <= tl) return 0;
	if (ql <= tl && tr <= qr) return S[i];
	int m = (tl + tr) / 2;
	return sum(i * 2 + 1, tl, m, ql, qr) + sum(i * 2 + 2, m, tr, ql, qr);
}

signed main(signed argc, char *argv[]) {
	scan n, q, d;
	f(i, n) {
		int value;
		scan value;
		_set(0, 0, N, i, value);
	}	
	f(i, q) {
		int type;
		scan type;
		if (type == 1) {
			int j, value;
			scan j, value;
			j--;
			_set(0, 0, N, j, value);
		}
		if (type == 2) {
			int l, r;
			scan l, r;
			l--;
			spray(0, 0, N, l, r);
		}
		if (type == 3) {
			int l, r;
			scan l, r;
			l--;
			print sum(0, 0, N, l, r);
		}
	}
}

Compilation message

sterilizing.cpp: In function 'void fast_scan(int&)':
sterilizing.cpp:133:31: 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); }
                          ~~~~~^~~~~~~~~~
sterilizing.cpp: In function 'void fast_scan(long long int&)':
sterilizing.cpp:134:37: 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); }
                                ~~~~~^~~~~~~~~~~~
sterilizing.cpp: In function 'void fast_scan(long long unsigned int&)':
sterilizing.cpp:135:46: 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); }
                                         ~~~~~^~~~~~~~~~~~
sterilizing.cpp: In function 'void fast_scan(double&)':
sterilizing.cpp:136:34: 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); }
                             ~~~~~^~~~~~~~~~~
sterilizing.cpp: In function 'void fast_scan(long double&)':
sterilizing.cpp:137:39: 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); }
                                  ~~~~~^~~~~~~~~~~
sterilizing.cpp: In function 'void fast_scan(char&)':
sterilizing.cpp:139:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%c", &x); 
  ~~~~~^~~~~~~~~~
sterilizing.cpp: In function 'void fast_scan(std::__cxx11::string&)':
sterilizing.cpp:145:7: 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 5 ms 512 KB Output is correct
2 Correct 6 ms 512 KB Output is correct
3 Correct 4 ms 512 KB Output is correct
4 Correct 8 ms 512 KB Output is correct
5 Correct 9 ms 640 KB Output is correct
6 Correct 8 ms 640 KB Output is correct
7 Correct 11 ms 640 KB Output is correct
8 Correct 8 ms 640 KB Output is correct
9 Correct 10 ms 640 KB Output is correct
10 Correct 7 ms 640 KB Output is correct
11 Correct 7 ms 640 KB Output is correct
12 Correct 7 ms 640 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 5040 ms 3664 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 32 ms 1188 KB Output is correct
2 Correct 30 ms 1816 KB Output is correct
3 Correct 28 ms 1920 KB Output is correct
4 Correct 67 ms 2296 KB Output is correct
5 Correct 112 ms 4316 KB Output is correct
6 Correct 141 ms 4344 KB Output is correct
7 Execution timed out 5073 ms 3980 KB Time limit exceeded
8 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 127 ms 3412 KB Output is correct
2 Correct 121 ms 3588 KB Output is correct
3 Correct 166 ms 2936 KB Output is correct
4 Correct 162 ms 3236 KB Output is correct
5 Correct 196 ms 5624 KB Output is correct
6 Correct 201 ms 5624 KB Output is correct
7 Correct 196 ms 5496 KB Output is correct
8 Correct 272 ms 5676 KB Output is correct
9 Correct 228 ms 5624 KB Output is correct
10 Correct 314 ms 5584 KB Output is correct
11 Correct 289 ms 5496 KB Output is correct
12 Correct 291 ms 5624 KB Output is correct