답안 #75669

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
75669 2018-09-10T17:24:16 Z tmwilliamlin168 원 고르기 (APIO18_circle_selection) C++14
64 / 100
3000 ms 40276 KB
#include <bits/stdc++.h>
using namespace std;

#define ll long long

const int mxN=3e5;
int n, p[mxN], p2[mxN], a[mxN], k=30;
ll x[mxN], y[mxN], r[mxN];
unordered_map<int, vector<int>> mp;

struct cmp1 {
	__attribute__((always_inline)) bool operator()(const int &a, const int &b) {
		return y[a]>>k<b;
	}
};

void rs(int k) {
	mp.clear();
	for(int i=0; i<n; ++i)
		if(a[p2[i]]==-1)
			mp[x[p2[i]]>>k].push_back(p2[i]);
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> n;
	for(int i=0; i<n; ++i) {
		cin >> x[i] >> y[i] >> r[i], swap(x[i], y[i]);
		p[i]=p2[i]=i;
	}
	sort(p, p+n, [&](const int &a, const int &b) {
		return r[a]==r[b]?a<b:r[a]>r[b];
	});
	sort(p2, p2+n, [&](const int &a, const int &b) {
		return y[a]<y[b];
	});
	memset(a, -1, 4*n);
	for(int i=-1; i+1<n; --i, --k) {
		rs(k);
		while(++i<n&&r[p[i]]>=1<<(k-1)) {
			if(a[p[i]]!=-1)
				continue;
			for(ll b=(x[p[i]]>>k)-2; b<=(x[p[i]]>>k)+2; ++b) {
				auto mf=mp.find(b);
				if(mf==mp.end())
					continue;
				vector<int> &v=mf->second;
				for(int j=lower_bound(v.begin(), v.end(), (y[p[i]]>>k)-2, cmp1())-v.begin(); j<v.size()&&y[v[j]]>>k<=(y[p[i]]>>k)+2; ++j) {
					ll dx=x[p[i]]-x[v[j]], dy=y[p[i]]-y[v[j]], rs=r[p[i]]+r[v[j]];
					if(dx*dx+dy*dy<=rs*rs&&a[v[j]]==-1)
						a[v[j]]=p[i];
				}
			}
		}
	}
	for(int i=0; i<n; ++i)
		cout << a[i]+1 << " ";
}

Compilation message

circle_selection.cpp: In function 'int main()':
circle_selection.cpp:50:83: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int j=lower_bound(v.begin(), v.end(), (y[p[i]]>>k)-2, cmp1())-v.begin(); j<v.size()&&y[v[j]]>>k<=(y[p[i]]>>k)+2; ++j) {
                                                                                  ~^~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 500 KB Output is correct
3 Correct 2 ms 500 KB Output is correct
4 Correct 2 ms 532 KB Output is correct
5 Correct 2 ms 576 KB Output is correct
6 Correct 2 ms 592 KB Output is correct
7 Correct 2 ms 620 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 2 ms 620 KB Output is correct
10 Correct 2 ms 620 KB Output is correct
11 Correct 2 ms 620 KB Output is correct
12 Correct 2 ms 636 KB Output is correct
13 Correct 2 ms 636 KB Output is correct
14 Correct 2 ms 636 KB Output is correct
15 Correct 2 ms 636 KB Output is correct
16 Correct 3 ms 636 KB Output is correct
17 Correct 3 ms 636 KB Output is correct
18 Correct 3 ms 636 KB Output is correct
19 Correct 7 ms 892 KB Output is correct
20 Correct 5 ms 892 KB Output is correct
21 Correct 6 ms 908 KB Output is correct
22 Correct 13 ms 1308 KB Output is correct
23 Correct 19 ms 1332 KB Output is correct
24 Correct 19 ms 1332 KB Output is correct
25 Correct 14 ms 1340 KB Output is correct
26 Correct 16 ms 1344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 270 ms 14472 KB Output is correct
2 Correct 287 ms 14568 KB Output is correct
3 Correct 280 ms 14568 KB Output is correct
4 Correct 297 ms 14568 KB Output is correct
5 Correct 456 ms 14568 KB Output is correct
6 Correct 525 ms 14596 KB Output is correct
7 Correct 474 ms 14596 KB Output is correct
8 Correct 488 ms 14596 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 14596 KB Output is correct
2 Correct 225 ms 14596 KB Output is correct
3 Correct 875 ms 17608 KB Output is correct
4 Correct 824 ms 17672 KB Output is correct
5 Correct 691 ms 17672 KB Output is correct
6 Correct 306 ms 17672 KB Output is correct
7 Correct 158 ms 17672 KB Output is correct
8 Correct 37 ms 17672 KB Output is correct
9 Correct 772 ms 17672 KB Output is correct
10 Correct 611 ms 17672 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 788 ms 20956 KB Output is correct
2 Execution timed out 3033 ms 40276 KB Time limit exceeded
3 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 500 KB Output is correct
3 Correct 2 ms 500 KB Output is correct
4 Correct 2 ms 532 KB Output is correct
5 Correct 2 ms 576 KB Output is correct
6 Correct 2 ms 592 KB Output is correct
7 Correct 2 ms 620 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 2 ms 620 KB Output is correct
10 Correct 2 ms 620 KB Output is correct
11 Correct 2 ms 620 KB Output is correct
12 Correct 2 ms 636 KB Output is correct
13 Correct 2 ms 636 KB Output is correct
14 Correct 2 ms 636 KB Output is correct
15 Correct 2 ms 636 KB Output is correct
16 Correct 3 ms 636 KB Output is correct
17 Correct 3 ms 636 KB Output is correct
18 Correct 3 ms 636 KB Output is correct
19 Correct 7 ms 892 KB Output is correct
20 Correct 5 ms 892 KB Output is correct
21 Correct 6 ms 908 KB Output is correct
22 Correct 13 ms 1308 KB Output is correct
23 Correct 19 ms 1332 KB Output is correct
24 Correct 19 ms 1332 KB Output is correct
25 Correct 14 ms 1340 KB Output is correct
26 Correct 16 ms 1344 KB Output is correct
27 Correct 11 ms 40276 KB Output is correct
28 Correct 10 ms 40276 KB Output is correct
29 Correct 10 ms 40276 KB Output is correct
30 Correct 27 ms 40276 KB Output is correct
31 Correct 23 ms 40276 KB Output is correct
32 Correct 26 ms 40276 KB Output is correct
33 Correct 88 ms 40276 KB Output is correct
34 Correct 89 ms 40276 KB Output is correct
35 Correct 126 ms 40276 KB Output is correct
36 Correct 242 ms 40276 KB Output is correct
37 Correct 273 ms 40276 KB Output is correct
38 Correct 235 ms 40276 KB Output is correct
39 Correct 427 ms 40276 KB Output is correct
40 Correct 300 ms 40276 KB Output is correct
41 Correct 295 ms 40276 KB Output is correct
42 Correct 168 ms 40276 KB Output is correct
43 Correct 395 ms 40276 KB Output is correct
44 Correct 309 ms 40276 KB Output is correct
45 Correct 313 ms 40276 KB Output is correct
46 Correct 289 ms 40276 KB Output is correct
47 Correct 299 ms 40276 KB Output is correct
48 Correct 301 ms 40276 KB Output is correct
49 Correct 337 ms 40276 KB Output is correct
50 Correct 305 ms 40276 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 500 KB Output is correct
3 Correct 2 ms 500 KB Output is correct
4 Correct 2 ms 532 KB Output is correct
5 Correct 2 ms 576 KB Output is correct
6 Correct 2 ms 592 KB Output is correct
7 Correct 2 ms 620 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 2 ms 620 KB Output is correct
10 Correct 2 ms 620 KB Output is correct
11 Correct 2 ms 620 KB Output is correct
12 Correct 2 ms 636 KB Output is correct
13 Correct 2 ms 636 KB Output is correct
14 Correct 2 ms 636 KB Output is correct
15 Correct 2 ms 636 KB Output is correct
16 Correct 3 ms 636 KB Output is correct
17 Correct 3 ms 636 KB Output is correct
18 Correct 3 ms 636 KB Output is correct
19 Correct 7 ms 892 KB Output is correct
20 Correct 5 ms 892 KB Output is correct
21 Correct 6 ms 908 KB Output is correct
22 Correct 13 ms 1308 KB Output is correct
23 Correct 19 ms 1332 KB Output is correct
24 Correct 19 ms 1332 KB Output is correct
25 Correct 14 ms 1340 KB Output is correct
26 Correct 16 ms 1344 KB Output is correct
27 Correct 270 ms 14472 KB Output is correct
28 Correct 287 ms 14568 KB Output is correct
29 Correct 280 ms 14568 KB Output is correct
30 Correct 297 ms 14568 KB Output is correct
31 Correct 456 ms 14568 KB Output is correct
32 Correct 525 ms 14596 KB Output is correct
33 Correct 474 ms 14596 KB Output is correct
34 Correct 488 ms 14596 KB Output is correct
35 Correct 3 ms 14596 KB Output is correct
36 Correct 225 ms 14596 KB Output is correct
37 Correct 875 ms 17608 KB Output is correct
38 Correct 824 ms 17672 KB Output is correct
39 Correct 691 ms 17672 KB Output is correct
40 Correct 306 ms 17672 KB Output is correct
41 Correct 158 ms 17672 KB Output is correct
42 Correct 37 ms 17672 KB Output is correct
43 Correct 772 ms 17672 KB Output is correct
44 Correct 611 ms 17672 KB Output is correct
45 Correct 788 ms 20956 KB Output is correct
46 Execution timed out 3033 ms 40276 KB Time limit exceeded
47 Halted 0 ms 0 KB -