답안 #75673

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
75673 2018-09-10T17:26:29 Z tmwilliamlin168 원 고르기 (APIO18_circle_selection) C++17
100 / 100
2936 ms 157104 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];
		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 376 KB Output is correct
2 Correct 2 ms 436 KB Output is correct
3 Correct 2 ms 436 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 2 ms 436 KB Output is correct
6 Correct 2 ms 476 KB Output is correct
7 Correct 2 ms 476 KB Output is correct
8 Correct 2 ms 648 KB Output is correct
9 Correct 2 ms 648 KB Output is correct
10 Correct 2 ms 648 KB Output is correct
11 Correct 2 ms 668 KB Output is correct
12 Correct 3 ms 668 KB Output is correct
13 Correct 2 ms 668 KB Output is correct
14 Correct 2 ms 668 KB Output is correct
15 Correct 2 ms 668 KB Output is correct
16 Correct 3 ms 668 KB Output is correct
17 Correct 3 ms 668 KB Output is correct
18 Correct 3 ms 668 KB Output is correct
19 Correct 6 ms 872 KB Output is correct
20 Correct 6 ms 872 KB Output is correct
21 Correct 6 ms 888 KB Output is correct
22 Correct 11 ms 1032 KB Output is correct
23 Correct 10 ms 1032 KB Output is correct
24 Correct 12 ms 1056 KB Output is correct
25 Correct 16 ms 1432 KB Output is correct
26 Correct 12 ms 1432 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 229 ms 13476 KB Output is correct
2 Correct 245 ms 13792 KB Output is correct
3 Correct 253 ms 13792 KB Output is correct
4 Correct 280 ms 13792 KB Output is correct
5 Correct 392 ms 15960 KB Output is correct
6 Correct 738 ms 24424 KB Output is correct
7 Correct 403 ms 24424 KB Output is correct
8 Correct 492 ms 24424 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 24424 KB Output is correct
2 Correct 236 ms 24424 KB Output is correct
3 Correct 856 ms 24424 KB Output is correct
4 Correct 864 ms 24424 KB Output is correct
5 Correct 706 ms 24424 KB Output is correct
6 Correct 322 ms 24424 KB Output is correct
7 Correct 162 ms 24424 KB Output is correct
8 Correct 35 ms 24424 KB Output is correct
9 Correct 938 ms 24424 KB Output is correct
10 Correct 636 ms 24424 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 860 ms 24424 KB Output is correct
2 Correct 2368 ms 40236 KB Output is correct
3 Correct 391 ms 40236 KB Output is correct
4 Correct 1550 ms 40236 KB Output is correct
5 Correct 1694 ms 40236 KB Output is correct
6 Correct 354 ms 40236 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 436 KB Output is correct
3 Correct 2 ms 436 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 2 ms 436 KB Output is correct
6 Correct 2 ms 476 KB Output is correct
7 Correct 2 ms 476 KB Output is correct
8 Correct 2 ms 648 KB Output is correct
9 Correct 2 ms 648 KB Output is correct
10 Correct 2 ms 648 KB Output is correct
11 Correct 2 ms 668 KB Output is correct
12 Correct 3 ms 668 KB Output is correct
13 Correct 2 ms 668 KB Output is correct
14 Correct 2 ms 668 KB Output is correct
15 Correct 2 ms 668 KB Output is correct
16 Correct 3 ms 668 KB Output is correct
17 Correct 3 ms 668 KB Output is correct
18 Correct 3 ms 668 KB Output is correct
19 Correct 6 ms 872 KB Output is correct
20 Correct 6 ms 872 KB Output is correct
21 Correct 6 ms 888 KB Output is correct
22 Correct 11 ms 1032 KB Output is correct
23 Correct 10 ms 1032 KB Output is correct
24 Correct 12 ms 1056 KB Output is correct
25 Correct 16 ms 1432 KB Output is correct
26 Correct 12 ms 1432 KB Output is correct
27 Correct 10 ms 40236 KB Output is correct
28 Correct 10 ms 40236 KB Output is correct
29 Correct 10 ms 40236 KB Output is correct
30 Correct 24 ms 40236 KB Output is correct
31 Correct 22 ms 40236 KB Output is correct
32 Correct 23 ms 40236 KB Output is correct
33 Correct 88 ms 40236 KB Output is correct
34 Correct 91 ms 40236 KB Output is correct
35 Correct 98 ms 40236 KB Output is correct
36 Correct 250 ms 40236 KB Output is correct
37 Correct 238 ms 40236 KB Output is correct
38 Correct 231 ms 40236 KB Output is correct
39 Correct 290 ms 40236 KB Output is correct
40 Correct 321 ms 40236 KB Output is correct
41 Correct 307 ms 40236 KB Output is correct
42 Correct 190 ms 40236 KB Output is correct
43 Correct 299 ms 40236 KB Output is correct
44 Correct 332 ms 40236 KB Output is correct
45 Correct 310 ms 40236 KB Output is correct
46 Correct 309 ms 40236 KB Output is correct
47 Correct 284 ms 40236 KB Output is correct
48 Correct 328 ms 40236 KB Output is correct
49 Correct 317 ms 40236 KB Output is correct
50 Correct 319 ms 40236 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 436 KB Output is correct
3 Correct 2 ms 436 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 2 ms 436 KB Output is correct
6 Correct 2 ms 476 KB Output is correct
7 Correct 2 ms 476 KB Output is correct
8 Correct 2 ms 648 KB Output is correct
9 Correct 2 ms 648 KB Output is correct
10 Correct 2 ms 648 KB Output is correct
11 Correct 2 ms 668 KB Output is correct
12 Correct 3 ms 668 KB Output is correct
13 Correct 2 ms 668 KB Output is correct
14 Correct 2 ms 668 KB Output is correct
15 Correct 2 ms 668 KB Output is correct
16 Correct 3 ms 668 KB Output is correct
17 Correct 3 ms 668 KB Output is correct
18 Correct 3 ms 668 KB Output is correct
19 Correct 6 ms 872 KB Output is correct
20 Correct 6 ms 872 KB Output is correct
21 Correct 6 ms 888 KB Output is correct
22 Correct 11 ms 1032 KB Output is correct
23 Correct 10 ms 1032 KB Output is correct
24 Correct 12 ms 1056 KB Output is correct
25 Correct 16 ms 1432 KB Output is correct
26 Correct 12 ms 1432 KB Output is correct
27 Correct 229 ms 13476 KB Output is correct
28 Correct 245 ms 13792 KB Output is correct
29 Correct 253 ms 13792 KB Output is correct
30 Correct 280 ms 13792 KB Output is correct
31 Correct 392 ms 15960 KB Output is correct
32 Correct 738 ms 24424 KB Output is correct
33 Correct 403 ms 24424 KB Output is correct
34 Correct 492 ms 24424 KB Output is correct
35 Correct 2 ms 24424 KB Output is correct
36 Correct 236 ms 24424 KB Output is correct
37 Correct 856 ms 24424 KB Output is correct
38 Correct 864 ms 24424 KB Output is correct
39 Correct 706 ms 24424 KB Output is correct
40 Correct 322 ms 24424 KB Output is correct
41 Correct 162 ms 24424 KB Output is correct
42 Correct 35 ms 24424 KB Output is correct
43 Correct 938 ms 24424 KB Output is correct
44 Correct 636 ms 24424 KB Output is correct
45 Correct 860 ms 24424 KB Output is correct
46 Correct 2368 ms 40236 KB Output is correct
47 Correct 391 ms 40236 KB Output is correct
48 Correct 1550 ms 40236 KB Output is correct
49 Correct 1694 ms 40236 KB Output is correct
50 Correct 354 ms 40236 KB Output is correct
51 Correct 10 ms 40236 KB Output is correct
52 Correct 10 ms 40236 KB Output is correct
53 Correct 10 ms 40236 KB Output is correct
54 Correct 24 ms 40236 KB Output is correct
55 Correct 22 ms 40236 KB Output is correct
56 Correct 23 ms 40236 KB Output is correct
57 Correct 88 ms 40236 KB Output is correct
58 Correct 91 ms 40236 KB Output is correct
59 Correct 98 ms 40236 KB Output is correct
60 Correct 250 ms 40236 KB Output is correct
61 Correct 238 ms 40236 KB Output is correct
62 Correct 231 ms 40236 KB Output is correct
63 Correct 290 ms 40236 KB Output is correct
64 Correct 321 ms 40236 KB Output is correct
65 Correct 307 ms 40236 KB Output is correct
66 Correct 190 ms 40236 KB Output is correct
67 Correct 299 ms 40236 KB Output is correct
68 Correct 332 ms 40236 KB Output is correct
69 Correct 310 ms 40236 KB Output is correct
70 Correct 309 ms 40236 KB Output is correct
71 Correct 284 ms 40236 KB Output is correct
72 Correct 328 ms 40236 KB Output is correct
73 Correct 317 ms 40236 KB Output is correct
74 Correct 319 ms 40236 KB Output is correct
75 Correct 369 ms 40236 KB Output is correct
76 Correct 378 ms 40236 KB Output is correct
77 Correct 324 ms 40236 KB Output is correct
78 Correct 302 ms 40236 KB Output is correct
79 Correct 357 ms 40236 KB Output is correct
80 Correct 301 ms 40236 KB Output is correct
81 Correct 912 ms 40236 KB Output is correct
82 Correct 959 ms 40236 KB Output is correct
83 Correct 944 ms 40236 KB Output is correct
84 Correct 782 ms 40236 KB Output is correct
85 Correct 858 ms 40236 KB Output is correct
86 Correct 1014 ms 40236 KB Output is correct
87 Correct 821 ms 40236 KB Output is correct
88 Correct 1053 ms 40236 KB Output is correct
89 Correct 1199 ms 40236 KB Output is correct
90 Correct 1081 ms 40236 KB Output is correct
91 Correct 1078 ms 40236 KB Output is correct
92 Correct 1087 ms 40236 KB Output is correct
93 Correct 2056 ms 40236 KB Output is correct
94 Correct 745 ms 40236 KB Output is correct
95 Correct 2222 ms 40236 KB Output is correct
96 Correct 2143 ms 40236 KB Output is correct
97 Correct 961 ms 40236 KB Output is correct
98 Correct 854 ms 40236 KB Output is correct
99 Correct 2253 ms 40236 KB Output is correct
100 Correct 2936 ms 40240 KB Output is correct
101 Correct 821 ms 40240 KB Output is correct
102 Correct 1796 ms 53304 KB Output is correct
103 Correct 913 ms 53304 KB Output is correct
104 Correct 2370 ms 68280 KB Output is correct
105 Correct 604 ms 68280 KB Output is correct
106 Correct 882 ms 75708 KB Output is correct
107 Correct 935 ms 83676 KB Output is correct
108 Correct 876 ms 91420 KB Output is correct
109 Correct 864 ms 99200 KB Output is correct
110 Correct 872 ms 106860 KB Output is correct
111 Correct 852 ms 114912 KB Output is correct
112 Correct 975 ms 122392 KB Output is correct
113 Correct 917 ms 130108 KB Output is correct
114 Correct 955 ms 137892 KB Output is correct
115 Correct 954 ms 145948 KB Output is correct
116 Correct 1061 ms 157104 KB Output is correct