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답안 #104330

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
104330 2019-04-05T06:31:11 Z dimash241 원 고르기 (APIO18_circle_selection) C++14
100 / 100
 2891 ms 70168 KB 
# include <stdio.h>
# include <bits/stdc++.h>
 
 
#define _USE_MATH_DEFINES_
#define ll long long
#define ld long double
#define Accepted 0
#define pb push_back
#define mp make_pair
#define sz(x) (int)(x.size())
#define every(x) x.begin(),x.end()
#define F first
#define S second
#define For(i,x,y)  for (int i = x; i <= y; i ++) 
#define FOr(i,x,y)  for (int i = x; i >= y; i --)
#define SpeedForce ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0)
// ROAD to...                                                                                                                                                                                                                Red
 
using namespace std;
inline double Time() {return (clock() * 1.0) / CLOCKS_PER_SEC; } 
inline bool isvowel (char c) {
	c = tolower(c);
    if (c == 'a' || c == 'e' || c == 'i' || c == 'y' || c == 'o' || c == 'u') return 1;
    return 0;
}
 
const double eps = 0.000001;
const ld pi = acos(-1);
const int maxn = 1e7 + 9;
const int mod = 1e9 + 7;
const ll MOD = 1e18 + 9;
const ll INF = 1e18 + 123;
const int inf = 2e9 + 11;
const int mxn = 1e6 + 9;
const int N = 3e5 + 123;                                          
const int M = 22;
const int pri = 997;
const int Magic = 2101;
 
const int dx[] = {-1, 0, 1, 0};
const int dy[] = {0, -1, 0, 1};
 
int n, m, k;
int id[N];
ll r[N];
ll x[N];
ll y[N];
int ans[N];
int lim;

bool cmp (int x, int y) { return r[x] > r[y] || (r[x] == r[y] && x < y); }
vector < int > q[N];
ll f (int x, int y) {
	return x * 5e9l + y;
}

vector < ll > vl;
int was[N], timer;
	
int get (int x, int y) {
	return lower_bound(every(vl), f(x, y)) - vl.begin();
}

void upd () { 
	vl.clear();
	timer ++;
	for (int i = 1; i <= n; i ++) {
		if (!ans[i]) {
			vl.pb(f(x[i] / lim, y[i] / lim));
		}
	}
	sort(every(vl));
	for (int i = 1; i <= n; i ++) {
		if (!ans[i]) {
			if (was[get(x[i] / lim, y[i] / lim)] != timer) q[get(x[i] / lim, y[i] / lim)].clear();
			q[get(x[i] / lim, y[i] / lim)].pb(i);
			was[get(x[i] / lim, y[i] / lim)] = timer;
			
		}
	}
}
ll sq (ll x) { return x * x; }

bool in (int i, int j) {
	return sq(x[i] - x[j]) + sq(y[i] - y[j]) <= sq(r[i] + r[j]);
}


int main () {
	SpeedForce;               

    cin >> n;
    for (int i = 1; i <= n; i ++) {
    	cin >> x[i] >> y[i] >> r[i];
    	id[i] = i;
    }

    sort(id + 1, id + n + 1, &cmp);
    lim = inf - 1;
    vector < int > nq;
          	          
    for (int pos = 1, j, xx, yy; pos <= n; pos ++) {
    	j = id[pos];
    	
    	if (ans[j]) continue;

    	if (r[j] * 2 <= lim) {
    		lim = r[j];
    		upd ();
    	}
    	
    	ans[j] = j;
        xx = x[j] / lim, yy = y[j] / lim;
        for(int x = xx - 2; x <= xx + 2; x ++) {
            for(int y = yy - 2; y <= yy + 2; y ++) {
                if (was[(get(x, y))] == timer) {
                	nq.clear();
                    for (auto i : q[get(x, y)]) {
                    	if (ans[i]) continue;
                        if(in(i, j)) {
                            ans[i] = j;
                        } else {
                            nq.push_back(i);
                        }
                    }
                    q[get(x, y)].swap(nq);
                }
            }
        }
    }
    for (int i = 1; i <= n; i ++)
    	cout << ans[i] << ' ';
    return Accepted;
}
 
// B...a D....

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 7424 KB Output is correct
2 Correct 5 ms 7424 KB Output is correct
3 Correct 9 ms 7424 KB Output is correct
4 Correct 8 ms 7424 KB Output is correct
5 Correct 9 ms 7424 KB Output is correct
6 Correct 10 ms 7424 KB Output is correct
7 Correct 9 ms 7424 KB Output is correct
8 Correct 8 ms 7552 KB Output is correct
9 Correct 9 ms 7424 KB Output is correct
10 Correct 8 ms 7424 KB Output is correct
11 Correct 8 ms 7424 KB Output is correct
12 Correct 9 ms 7424 KB Output is correct
13 Correct 9 ms 7424 KB Output is correct
14 Correct 10 ms 7424 KB Output is correct
15 Correct 13 ms 7424 KB Output is correct
16 Correct 9 ms 7424 KB Output is correct
17 Correct 13 ms 7552 KB Output is correct
18 Correct 10 ms 7424 KB Output is correct
19 Correct 13 ms 7808 KB Output is correct
20 Correct 16 ms 7808 KB Output is correct
21 Correct 14 ms 7808 KB Output is correct
22 Correct 31 ms 7928 KB Output is correct
23 Correct 44 ms 7936 KB Output is correct
24 Correct 32 ms 7936 KB Output is correct
25 Correct 28 ms 7936 KB Output is correct
26 Correct 30 ms 7936 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 265 ms 24800 KB Output is correct
2 Correct 273 ms 23648 KB Output is correct
3 Correct 265 ms 23392 KB Output is correct
4 Correct 263 ms 24720 KB Output is correct
5 Correct 453 ms 24412 KB Output is correct
6 Correct 1087 ms 28272 KB Output is correct
7 Correct 598 ms 24928 KB Output is correct
8 Correct 679 ms 25572 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 7424 KB Output is correct
2 Correct 696 ms 15708 KB Output is correct
3 Correct 2591 ms 32068 KB Output is correct
4 Correct 2655 ms 32224 KB Output is correct
5 Correct 2443 ms 31212 KB Output is correct
6 Correct 887 ms 19816 KB Output is correct
7 Correct 379 ms 13936 KB Output is correct
8 Correct 66 ms 8952 KB Output is correct
9 Correct 2725 ms 32148 KB Output is correct
10 Correct 2079 ms 38624 KB Output is correct

Subtask #4
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2083 ms 31980 KB Output is correct
2 Correct 1506 ms 32220 KB Output is correct
3 Correct 692 ms 25920 KB Output is correct
4 Correct 1586 ms 32240 KB Output is correct
5 Correct 1647 ms 32096 KB Output is correct
6 Correct 482 ms 24288 KB Output is correct

Subtask #5
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 7424 KB Output is correct
2 Correct 5 ms 7424 KB Output is correct
3 Correct 9 ms 7424 KB Output is correct
4 Correct 8 ms 7424 KB Output is correct
5 Correct 9 ms 7424 KB Output is correct
6 Correct 10 ms 7424 KB Output is correct
7 Correct 9 ms 7424 KB Output is correct
8 Correct 8 ms 7552 KB Output is correct
9 Correct 9 ms 7424 KB Output is correct
10 Correct 8 ms 7424 KB Output is correct
11 Correct 8 ms 7424 KB Output is correct
12 Correct 9 ms 7424 KB Output is correct
13 Correct 9 ms 7424 KB Output is correct
14 Correct 10 ms 7424 KB Output is correct
15 Correct 13 ms 7424 KB Output is correct
16 Correct 9 ms 7424 KB Output is correct
17 Correct 13 ms 7552 KB Output is correct
18 Correct 10 ms 7424 KB Output is correct
19 Correct 13 ms 7808 KB Output is correct
20 Correct 16 ms 7808 KB Output is correct
21 Correct 14 ms 7808 KB Output is correct
22 Correct 31 ms 7928 KB Output is correct
23 Correct 44 ms 7936 KB Output is correct
24 Correct 32 ms 7936 KB Output is correct
25 Correct 28 ms 7936 KB Output is correct
26 Correct 30 ms 7936 KB Output is correct
27 Correct 19 ms 8192 KB Output is correct
28 Correct 17 ms 8196 KB Output is correct
29 Correct 22 ms 8252 KB Output is correct
30 Correct 64 ms 8440 KB Output is correct
31 Correct 60 ms 8440 KB Output is correct
32 Correct 61 ms 8340 KB Output is correct
33 Correct 82 ms 12672 KB Output is correct
34 Correct 82 ms 12784 KB Output is correct
35 Correct 130 ms 12648 KB Output is correct
36 Correct 630 ms 15480 KB Output is correct
37 Correct 712 ms 15540 KB Output is correct
38 Correct 692 ms 15440 KB Output is correct
39 Correct 639 ms 25376 KB Output is correct
40 Correct 686 ms 25876 KB Output is correct
41 Correct 735 ms 25216 KB Output is correct
42 Correct 327 ms 15472 KB Output is correct
43 Correct 536 ms 15364 KB Output is correct
44 Correct 472 ms 15472 KB Output is correct
45 Correct 478 ms 15368 KB Output is correct
46 Correct 503 ms 15448 KB Output is correct
47 Correct 472 ms 15472 KB Output is correct
48 Correct 599 ms 15472 KB Output is correct
49 Correct 444 ms 15472 KB Output is correct
50 Correct 496 ms 15472 KB Output is correct

Subtask #6
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 7424 KB Output is correct
2 Correct 5 ms 7424 KB Output is correct
3 Correct 9 ms 7424 KB Output is correct
4 Correct 8 ms 7424 KB Output is correct
5 Correct 9 ms 7424 KB Output is correct
6 Correct 10 ms 7424 KB Output is correct
7 Correct 9 ms 7424 KB Output is correct
8 Correct 8 ms 7552 KB Output is correct
9 Correct 9 ms 7424 KB Output is correct
10 Correct 8 ms 7424 KB Output is correct
11 Correct 8 ms 7424 KB Output is correct
12 Correct 9 ms 7424 KB Output is correct
13 Correct 9 ms 7424 KB Output is correct
14 Correct 10 ms 7424 KB Output is correct
15 Correct 13 ms 7424 KB Output is correct
16 Correct 9 ms 7424 KB Output is correct
17 Correct 13 ms 7552 KB Output is correct
18 Correct 10 ms 7424 KB Output is correct
19 Correct 13 ms 7808 KB Output is correct
20 Correct 16 ms 7808 KB Output is correct
21 Correct 14 ms 7808 KB Output is correct
22 Correct 31 ms 7928 KB Output is correct
23 Correct 44 ms 7936 KB Output is correct
24 Correct 32 ms 7936 KB Output is correct
25 Correct 28 ms 7936 KB Output is correct
26 Correct 30 ms 7936 KB Output is correct
27 Correct 265 ms 24800 KB Output is correct
28 Correct 273 ms 23648 KB Output is correct
29 Correct 265 ms 23392 KB Output is correct
30 Correct 263 ms 24720 KB Output is correct
31 Correct 453 ms 24412 KB Output is correct
32 Correct 1087 ms 28272 KB Output is correct
33 Correct 598 ms 24928 KB Output is correct
34 Correct 679 ms 25572 KB Output is correct
35 Correct 9 ms 7424 KB Output is correct
36 Correct 696 ms 15708 KB Output is correct
37 Correct 2591 ms 32068 KB Output is correct
38 Correct 2655 ms 32224 KB Output is correct
39 Correct 2443 ms 31212 KB Output is correct
40 Correct 887 ms 19816 KB Output is correct
41 Correct 379 ms 13936 KB Output is correct
42 Correct 66 ms 8952 KB Output is correct
43 Correct 2725 ms 32148 KB Output is correct
44 Correct 2079 ms 38624 KB Output is correct
45 Correct 2083 ms 31980 KB Output is correct
46 Correct 1506 ms 32220 KB Output is correct
47 Correct 692 ms 25920 KB Output is correct
48 Correct 1586 ms 32240 KB Output is correct
49 Correct 1647 ms 32096 KB Output is correct
50 Correct 482 ms 24288 KB Output is correct
51 Correct 19 ms 8192 KB Output is correct
52 Correct 17 ms 8196 KB Output is correct
53 Correct 22 ms 8252 KB Output is correct
54 Correct 64 ms 8440 KB Output is correct
55 Correct 60 ms 8440 KB Output is correct
56 Correct 61 ms 8340 KB Output is correct
57 Correct 82 ms 12672 KB Output is correct
58 Correct 82 ms 12784 KB Output is correct
59 Correct 130 ms 12648 KB Output is correct
60 Correct 630 ms 15480 KB Output is correct
61 Correct 712 ms 15540 KB Output is correct
62 Correct 692 ms 15440 KB Output is correct
63 Correct 639 ms 25376 KB Output is correct
64 Correct 686 ms 25876 KB Output is correct
65 Correct 735 ms 25216 KB Output is correct
66 Correct 327 ms 15472 KB Output is correct
67 Correct 536 ms 15364 KB Output is correct
68 Correct 472 ms 15472 KB Output is correct
69 Correct 478 ms 15368 KB Output is correct
70 Correct 503 ms 15448 KB Output is correct
71 Correct 472 ms 15472 KB Output is correct
72 Correct 599 ms 15472 KB Output is correct
73 Correct 444 ms 15472 KB Output is correct
74 Correct 496 ms 15472 KB Output is correct
75 Correct 322 ms 30316 KB Output is correct
76 Correct 299 ms 31556 KB Output is correct
77 Correct 267 ms 31200 KB Output is correct
78 Correct 256 ms 30588 KB Output is correct
79 Correct 375 ms 31448 KB Output is correct
80 Correct 291 ms 31816 KB Output is correct
81 Correct 2462 ms 39168 KB Output is correct
82 Correct 2344 ms 39264 KB Output is correct
83 Correct 2310 ms 39364 KB Output is correct
84 Correct 2522 ms 39288 KB Output is correct
85 Correct 2509 ms 39284 KB Output is correct
86 Correct 2549 ms 39384 KB Output is correct
87 Correct 2891 ms 39104 KB Output is correct
88 Correct 2404 ms 61980 KB Output is correct
89 Correct 2186 ms 70116 KB Output is correct
90 Correct 2362 ms 70168 KB Output is correct
91 Correct 2168 ms 66940 KB Output is correct
92 Correct 2395 ms 61952 KB Output is correct
93 Correct 1863 ms 38608 KB Output is correct
94 Correct 1942 ms 39012 KB Output is correct
95 Correct 1714 ms 38624 KB Output is correct
96 Correct 1779 ms 38736 KB Output is correct
97 Correct 2757 ms 38564 KB Output is correct
98 Correct 1220 ms 36192 KB Output is correct
99 Correct 1965 ms 38900 KB Output is correct
100 Correct 1745 ms 38444 KB Output is correct
101 Correct 1510 ms 37476 KB Output is correct
102 Correct 1924 ms 38584 KB Output is correct
103 Correct 2693 ms 38600 KB Output is correct
104 Correct 1975 ms 38440 KB Output is correct
105 Correct 1169 ms 36364 KB Output is correct
106 Correct 1537 ms 38576 KB Output is correct
107 Correct 1496 ms 38500 KB Output is correct
108 Correct 1587 ms 38684 KB Output is correct
109 Correct 1588 ms 38396 KB Output is correct
110 Correct 1391 ms 38392 KB Output is correct
111 Correct 1333 ms 38240 KB Output is correct
112 Correct 1445 ms 38320 KB Output is correct
113 Correct 1474 ms 38240 KB Output is correct
114 Correct 1588 ms 38244 KB Output is correct
115 Correct 1474 ms 38084 KB Output is correct
116 Correct 1530 ms 38084 KB Output is correct