답안 #528848

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
528848 2022-02-21T15:19:18 Z c28dnv9q3 Monster Game (JOI21_monster) C++17
10 / 100
240 ms 328 KB
#include "monster.h"
#include <iostream>

std::vector<int> quick(std::vector<int> a, bool help) {
	std::vector<int> left = std::vector<int>(), right = std::vector<int>();
	if (help) {
		goto A;
	}
	if (a.size() < 2) {
		return a;
	}
	else if (a.size() == 2) {
		std::vector<int> b = std::vector<int>();
		if (Query(a[0], a[1])) {
			b.push_back(a[0]);
			b.push_back(a[1]);
		}
		else {
			b.push_back(a[1]);
			b.push_back(a[0]);
		}
		return b;
	}
	else if (a.size() <= 8) {
	A: std::vector<int> counter = std::vector<int>(a.size());
		for (int i = 0; i < a.size() - 1; i++) {
			for (int j = i + 1; j < a.size(); j++) {
				if (Query(a[i], a[j])) {
					counter[i]++;
				}
				else {
					counter[j]++;
				}
			}
		}
		std::vector<int> end = std::vector<int>(a.size());
		bool did1 = false, didN = false;
		for (int i = 0; i < a.size(); i++) {
			if (counter[i] == 1 && !did1) {
				end[0] = a[i];
				did1 = true;
			}
			else if (counter[i] == a.size() - 2 && !didN) {
				end[a.size() - 1] = a[i];
				didN = true;
			}
			end[counter[i]] = a[i];
		}
		if (Query(end[1], end[0])) {
			int z = end[0];
			end[0] = end[1];
			end[1] = z;
		}
		if (Query(end[a.size() - 1], end[a.size() - 2])) {
			int z = end[a.size() - 2];
			end[a.size() - 2] = end[a.size() - 1];
			end[a.size() - 1] = z;
		}
		return end;
	}


	int pivot = a[a.size() / 2];
	for (int i = 0; i < a.size(); i++) {
		if (!(i == (a.size() / 2))) {
			if (Query(pivot, a[i])) {
				left.push_back(a[i]);
			}
			else {
				right.push_back(a[i]);
			}
		}
	}

	int min = 0;
	for (int i = 1; i < right.size(); i++) {
		if (Query(right[min], right[i])) {
			min = i;
		}
	}
	int max = 0;
	for (int i = 1; i < left.size(); i++) {
		if (Query(left[i], left[max])) {
			max = i;
		}
	}
	right.push_back(left[max]);
	left.push_back(right[min]);
	left.erase(left.begin() + max);
	right.erase(right.begin() + min);

	if (left.size() <= 3 || right.size() <= 3) {
		return quick(a, true);
	}
	std::vector<int> end = quick(left, false);
	end.push_back(pivot);
	right = quick(right, false);
	for (int i = 0; i < right.size(); i++) {
		end.push_back(right[i]);
	}
	return end;
}

std::vector<int> Solve(int N) {
	std::vector<int> T(N);
	for (int i = 0; i < N; i++) {
		T[i] = i;
	}
	T = quick(T, false);

	std::vector<int> T2 = std::vector<int>(N);
	for (int i = 0; i < N; i++) {
		T2[T[i]] = i;
	}
	/*for (int i = 0; i < N; i++) {
		std::cout << T2[i] << " ";
	}*/
	return T2;
}

Compilation message

monster.cpp: In function 'std::vector<int> quick(std::vector<int>, bool)':
monster.cpp:26:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |   for (int i = 0; i < a.size() - 1; i++) {
      |                   ~~^~~~~~~~~~~~~~
monster.cpp:27:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |    for (int j = i + 1; j < a.size(); j++) {
      |                        ~~^~~~~~~~~~
monster.cpp:38:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |   for (int i = 0; i < a.size(); i++) {
      |                   ~~^~~~~~~~~~
monster.cpp:43:24: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |    else if (counter[i] == a.size() - 2 && !didN) {
monster.cpp:64:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |  for (int i = 0; i < a.size(); i++) {
      |                  ~~^~~~~~~~~~
monster.cpp:65:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |   if (!(i == (a.size() / 2))) {
      |         ~~^~~~~~~~~~~~~~~~~
monster.cpp:76:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |  for (int i = 1; i < right.size(); i++) {
      |                  ~~^~~~~~~~~~~~~~
monster.cpp:82:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   82 |  for (int i = 1; i < left.size(); i++) {
      |                  ~~^~~~~~~~~~~~~
monster.cpp:98:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   98 |  for (int i = 0; i < right.size(); i++) {
      |                  ~~^~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 0 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 0 ms 200 KB Output is correct
9 Correct 0 ms 200 KB Output is correct
10 Correct 1 ms 200 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 1 ms 200 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 30 ms 296 KB Output is correct
17 Correct 43 ms 200 KB Output is correct
18 Correct 35 ms 200 KB Output is correct
19 Correct 41 ms 200 KB Output is correct
20 Correct 27 ms 320 KB Output is correct
21 Correct 0 ms 200 KB Output is correct
22 Correct 0 ms 200 KB Output is correct
23 Correct 1 ms 200 KB Output is correct
24 Correct 1 ms 200 KB Output is correct
25 Correct 1 ms 200 KB Output is correct
26 Correct 23 ms 280 KB Output is correct
27 Correct 0 ms 200 KB Output is correct
28 Correct 1 ms 200 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 1 ms 200 KB Output is correct
31 Correct 1 ms 200 KB Output is correct
32 Correct 9 ms 200 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 0 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 0 ms 200 KB Output is correct
9 Correct 0 ms 200 KB Output is correct
10 Correct 1 ms 200 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 1 ms 200 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 30 ms 296 KB Output is correct
17 Correct 43 ms 200 KB Output is correct
18 Correct 35 ms 200 KB Output is correct
19 Correct 41 ms 200 KB Output is correct
20 Correct 27 ms 320 KB Output is correct
21 Correct 0 ms 200 KB Output is correct
22 Correct 0 ms 200 KB Output is correct
23 Correct 1 ms 200 KB Output is correct
24 Correct 1 ms 200 KB Output is correct
25 Correct 1 ms 200 KB Output is correct
26 Correct 23 ms 280 KB Output is correct
27 Correct 0 ms 200 KB Output is correct
28 Correct 1 ms 200 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 1 ms 200 KB Output is correct
31 Correct 1 ms 200 KB Output is correct
32 Correct 9 ms 200 KB Output is correct
33 Incorrect 189 ms 300 KB Wrong Answer [6]
34 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 240 ms 328 KB Wrong Answer [6]
2 Halted 0 ms 0 KB -