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답안 #773177

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
773177 2023-07-04T16:08:19 Z xetrk 원 고르기 (APIO18_circle_selection) C++14
7 / 100
 3000 ms 51264 KB 
#pragma warning(disable:4996)

#include<bits/stdc++.h>
using namespace std;


typedef long long ll;
typedef long double ld;

int n;

vector<vector<ll>> circle;

vector<pair<ll, int>> sortRadius;// , sortY;

set<pair<ll, int>> sortX;

int ans[301000];

inline ll GetDist(ll x1, ll y1, ll x2, ll y2)
{
	// 아 좌표값 마이너스도 들어오네
	ll xx = max(x1, x2) - min(x1, x2);
	ll yy = max(y1, y2) - min(y1, y2);
	return (xx * xx) + (yy * yy);
}



bool comp(const pair<ll,int>& a, const pair<ll,int>& b)
{
	if (a.first == b.first)
		return a.second < b.second;
	return a.first < b.first;
}

bool compSort(const pair<ll, int>& a, const pair<ll, int>& b)
{
	if (a.first == b.first)
		return a.second < b.second;
	
	return a.first > b.first;
}

int main()
{
	ll x, y, r, r2;
	scanf("%d", &n);

	for (int i = 0; i < n; i++)
	{
		scanf("%lld %lld %lld", &x, &y, &r);
		//x = 1, y = 1, r = 3;
		circle.push_back({ x,y,r });
		sortRadius.push_back({ r,i });
		sortX.insert({ x,i });
		//sortY.push_back({ y,i });
	}

	sort(sortRadius.begin(), sortRadius.end(), compSort);
	//sort(sortX.begin(), sortX.end());
	//sort(sortY.begin(), sortY.end());


	int cur, curcmp;
	//int xMin, xMax, yMin, yMax;
	ll rr;

	fill(ans, ans + n + 2, -1);

	for (int curDelete = 0; curDelete < n; curDelete++)
	{
		cur = sortRadius[curDelete].second;
		if (ans[cur] != -1)
			continue;


		x = circle[cur][0], y = circle[cur][1], r = circle[cur][2];
		if (curDelete < n - 1)
			r2 = r + sortRadius[curDelete + 1].first + 1;
		else
			r2 = r * 2 + 1;
		
		// a이하를 찾아야하는데 lower bound는  a이상인걸 찾으니까.. 근데 그 이하인걸 찾아야하니 1빼줌
		auto xMin2 = lower_bound(sortX.begin(), sortX.end(), pair<ll, int>(x - r2, -1), comp);
		auto xMax2 = upper_bound(sortX.begin(), sortX.end(), pair<ll, int>(x + r2, 301000), comp);

		//yMin = lower_bound(sortY.begin(), sortY.end(), pair<ll, int>(y - r2, -1), comp) - sortY.begin();
		//yMax = upper_bound(sortY.begin(), sortY.end(), pair<ll, int>(y + r2, 301000), comp) - sortY.begin();

		if (xMin2 != sortX.begin()) xMin2--;
		//xMin--;
		//yMin--;

		//if (xMin < 0) xMin = 0;
		//if (yMin < 0) yMin = 0;

		//if (xMin >= sortX.size()) xMin = sortX.size() - 1;
		//if (yMin >= sortY.size()) yMin = sortY.size() - 1;
		//if (xMax >= sortX.size()) xMax = sortX.size() - 1;
		//if (yMax >= sortY.size()) yMax = sortY.size() - 1;

		//xMin = 0, yMin = 0, xMax = n - 1, yMax = n - 1;


		ans[cur] = cur;

		vector<set<pair<ll, int>>::iterator> eraseItems;

		for (set<pair<ll, int>>::iterator xx = xMin2; xx != xMax2; xx++)
		{
			curcmp = (*xx).second;
			rr = r + circle[curcmp][2];
			if (GetDist(x, y, circle[curcmp][0], circle[curcmp][1]) <= rr * rr)
			{
				ans[curcmp] = cur;
				//sortX.erase(sortX.begin() + i);
				//sortX.erase((*xx));
				eraseItems.push_back(xx);
			}
		}

		for (auto e : eraseItems)
		{
			sortX.erase((*e));
		}

		/*
		if (xMax - xMin < yMax - yMin)
		{
			for (int i = xMax; i >= xMin; i--)
			{
				curcmp = sortX[i].second;
				if (ans[curcmp] != -1) continue;
				rr = r + circle[curcmp][2];
				if (GetDist(x, y, circle[curcmp][0], circle[curcmp][1]) <= rr * rr)
				{
					ans[curcmp] = cur;
					//sortX.erase(sortX.begin() + i);
				}
			}
		}
		else
		{

			for (int i = yMax; i >= yMin; i--)
			{
				curcmp = sortY[i].second;
				if (ans[curcmp]!= -1) continue;
				rr = r + circle[curcmp][2];
				if (GetDist(x, y, circle[curcmp][0], circle[curcmp][1]) <= rr * rr)
				{
					ans[curcmp] = cur;
					//sortY.erase(sortY.begin() + i);
				}
			}
		}*/
	}

	for (int i = 0; i < n; i++)
		printf("%d ", ans[i]+1);

	return 0;
}

Compilation message

circle_selection.cpp:1: warning: ignoring '#pragma warning ' [-Wunknown-pragmas]
    1 | #pragma warning(disable:4996)
      | 
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:48:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
circle_selection.cpp:52:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   52 |   scanf("%lld %lld %lld", &x, &y, &r);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 308 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 304 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 444 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 5 ms 1304 KB Output is correct
20 Correct 4 ms 1236 KB Output is correct
21 Correct 5 ms 1216 KB Output is correct
22 Correct 477 ms 1200 KB Output is correct
23 Correct 456 ms 1200 KB Output is correct
24 Correct 470 ms 1204 KB Output is correct
25 Correct 473 ms 1188 KB Output is correct
26 Correct 451 ms 1220 KB Output is correct

Subtask #2
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 625 ms 49864 KB Output is correct
2 Correct 690 ms 47712 KB Output is correct
3 Correct 577 ms 48676 KB Output is correct
4 Correct 614 ms 51264 KB Output is correct
5 Execution timed out 3035 ms 42744 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Execution timed out 3069 ms 13928 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3082 ms 41356 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 308 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 304 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 444 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 5 ms 1304 KB Output is correct
20 Correct 4 ms 1236 KB Output is correct
21 Correct 5 ms 1216 KB Output is correct
22 Correct 477 ms 1200 KB Output is correct
23 Correct 456 ms 1200 KB Output is correct
24 Correct 470 ms 1204 KB Output is correct
25 Correct 473 ms 1188 KB Output is correct
26 Correct 451 ms 1220 KB Output is correct
27 Correct 9 ms 2188 KB Output is correct
28 Correct 10 ms 2168 KB Output is correct
29 Correct 9 ms 2188 KB Output is correct
30 Correct 2428 ms 1944 KB Output is correct
31 Correct 2450 ms 1936 KB Output is correct
32 Correct 2360 ms 1940 KB Output is correct
33 Correct 117 ms 16912 KB Output is correct
34 Correct 111 ms 16888 KB Output is correct
35 Correct 115 ms 16768 KB Output is correct
36 Execution timed out 3029 ms 14424 KB Time limit exceeded
37 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 308 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 304 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 444 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 5 ms 1304 KB Output is correct
20 Correct 4 ms 1236 KB Output is correct
21 Correct 5 ms 1216 KB Output is correct
22 Correct 477 ms 1200 KB Output is correct
23 Correct 456 ms 1200 KB Output is correct
24 Correct 470 ms 1204 KB Output is correct
25 Correct 473 ms 1188 KB Output is correct
26 Correct 451 ms 1220 KB Output is correct
27 Correct 625 ms 49864 KB Output is correct
28 Correct 690 ms 47712 KB Output is correct
29 Correct 577 ms 48676 KB Output is correct
30 Correct 614 ms 51264 KB Output is correct
31 Execution timed out 3035 ms 42744 KB Time limit exceeded
32 Halted 0 ms 0 KB -