답안 #51096

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
51096 2018-06-16T04:04:34 Z boook 원 고르기 (APIO18_circle_selection) C++14
57 / 100
3000 ms 63168 KB
/*input
11
9 9 2
13 2 1
11 8 2
3 3 2
3 12 1
12 14 1
9 8 5
2 8 2
5 2 1
14 4 2
14 14 1
*/
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
#define REP(i,j,k)     for(int i = j ; i < k ; ++i)
#define RREP(i,j,k)    for(int i = j ; i >=k ; --i)
#define A    first
#define B    second
#define mp   make_pair
#define pb   emplace_back
#define PII pair<int , int>
#define MEM(i,j)   memset(i , j , sizeof i)
#define ALL(i)     i.begin() , i.end()
#define DBGG(i,j)     cout << i << " " << j << endl
#define DB4(i,j,k,l)  cout << i << " " << j << " " << k << " " << l << endl
#define IOS cin.tie(0) , cout.sync_with_stdio(0)
#define endl "\n"
///------------------------------------------------------------
#define MAX 300090
#define getchar getchar_unlocked
#define INF 2e9

gp_hash_table<int_fast64_t , int> cc;

vector<PII> v[MAX];
vector<int> las;
int_fast64_t R = 1e14;
int n , pos;
int x[MAX] , y[MAX] , r[MAX] , sol[MAX] , ans[MAX];
inline int_fast64_t trs(int a , int b){ return 1LL * a * 1000000009 + b; }
inline int cmp(int a , int b){ return mp(r[a] , -a) > mp(r[b] , -b); }
inline int tch(int a , int b){
	int_fast64_t val = 1LL * (x[a] - x[b]) * (x[a] - x[b]) + 1LL * (y[a] - y[b]) * (y[a] - y[b]);
	return (val <= 1LL * (r[a] + r[b]) * (r[a] + r[b]));
}
inline int rit(){
	int val = 0 , f = 1;
	char c = getchar();
	while(!isdigit(c)){
		if(c == '-') f = -1;
		c = getchar();
	}
	while(isdigit(c)){
		val = (val << 1) + (val << 3) + c - '0';
		c = getchar();
	}
	return val * f;
}
int32_t main(){
	n = rit();
	REP(i , 1 , n + 1) x[i] = rit() , y[i] = rit() , r[i] = rit();
	// REP(i , 1 , n + 1) cin >> x[i] >> y[i] >> r[i];

	REP(i , 1 , n + 1) sol[i] = i;
	sort(sol + 1 , sol + 1 + n , cmp);
	// REP(idx , 1 , n + 1){ int i = sol[idx];
	// 	if(ans[i]) continue;
	// 	REP(j , 1 , n + 1) if(ans[j] == 0 && tch(i , j)) ans[j] = i;
	// }
	REP(i , 1 , n + 1) las.pb(i);
	int del = 1000000;
	REP(idx , 1 , n + 1){ int i = sol[idx];
		if(ans[i]) continue;
		// DBGG("solve = " , i);
		if(R / 5 > r[i] && del > 1000){
			del = 0;
			cc.clear();
			R = r[sol[1]];
			vector<int> nw;
			for(auto j : las){
				if(ans[j]) continue;
				nw.pb(j);
				int xx = x[j] / R , yy = y[j] / R;
				if(cc.find(trs(xx , yy)) == cc.end()){
					v[pos].clear();
					v[pos].pb(0 , 1);
					cc[trs(xx , yy)] = pos ++;
					if(pos == MAX) pos = 0;
				}
				v[cc[trs(xx , yy)]].pb(j , v[cc[trs(xx , yy)]].size() + 1);
			}
			swap(nw , las);
		}
		int xx = x[i] / R , yy = y[i] / R;
		REP(ii , xx - 2 , xx + 3) REP(jj , yy - 2 , yy + 3){
			if(cc.find(trs(ii , jj)) != cc.end()){
				int id = cc[trs(ii , jj)] , pre = 0;
				while(v[id][pre].B < v[id].size()){
					int now = v[id][pre].B;
					if(tch(i , v[id][now].A)){
						ans[v[id][now].A] = i;
						del ++;
						v[id][pre].B = v[id][now].B;
					}
					else pre = now;
				}
				// for(auto to : v[id]){
				// 	if(ans[to.A] == 0 && tch(i , to.A)) ans[to.A] = i;
				// }
			}
		}
	}
	REP(i , 1 , n + 1) printf("%d " , ans[i]);
	puts("");
    return 0;
}

// 7 2 7 4 5 6 7 7 4 7 6

Compilation message

circle_selection.cpp: In function 'int32_t main()':
circle_selection.cpp:102:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(v[id][pre].B < v[id].size()){
# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 7416 KB Output is correct
2 Correct 8 ms 7528 KB Output is correct
3 Correct 8 ms 7528 KB Output is correct
4 Correct 7 ms 7528 KB Output is correct
5 Correct 7 ms 7528 KB Output is correct
6 Correct 7 ms 7560 KB Output is correct
7 Correct 7 ms 7560 KB Output is correct
8 Correct 8 ms 7576 KB Output is correct
9 Correct 8 ms 7576 KB Output is correct
10 Correct 8 ms 7576 KB Output is correct
11 Correct 7 ms 7624 KB Output is correct
12 Correct 8 ms 7628 KB Output is correct
13 Correct 7 ms 7712 KB Output is correct
14 Correct 7 ms 7712 KB Output is correct
15 Correct 7 ms 7712 KB Output is correct
16 Correct 10 ms 7712 KB Output is correct
17 Correct 10 ms 7712 KB Output is correct
18 Correct 9 ms 7712 KB Output is correct
19 Correct 9 ms 7884 KB Output is correct
20 Correct 9 ms 7884 KB Output is correct
21 Correct 10 ms 7900 KB Output is correct
22 Correct 13 ms 8556 KB Output is correct
23 Correct 14 ms 8692 KB Output is correct
24 Correct 14 ms 8692 KB Output is correct
25 Correct 13 ms 8692 KB Output is correct
26 Correct 14 ms 8692 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 155 ms 21208 KB Output is correct
2 Correct 173 ms 21208 KB Output is correct
3 Correct 146 ms 21208 KB Output is correct
4 Correct 160 ms 21468 KB Output is correct
5 Correct 189 ms 21468 KB Output is correct
6 Correct 557 ms 40288 KB Output is correct
7 Correct 247 ms 40288 KB Output is correct
8 Correct 287 ms 40288 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 40288 KB Output is correct
2 Correct 216 ms 40288 KB Output is correct
3 Correct 933 ms 61120 KB Output is correct
4 Correct 916 ms 61120 KB Output is correct
5 Correct 1181 ms 61120 KB Output is correct
6 Correct 244 ms 61120 KB Output is correct
7 Correct 108 ms 61120 KB Output is correct
8 Correct 23 ms 61120 KB Output is correct
9 Correct 1831 ms 61120 KB Output is correct
10 Correct 1045 ms 61120 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 526 ms 62952 KB Output is correct
2 Correct 440 ms 63040 KB Output is correct
3 Correct 469 ms 63040 KB Output is correct
4 Correct 513 ms 63040 KB Output is correct
5 Correct 433 ms 63168 KB Output is correct
6 Correct 168 ms 63168 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 7416 KB Output is correct
2 Correct 8 ms 7528 KB Output is correct
3 Correct 8 ms 7528 KB Output is correct
4 Correct 7 ms 7528 KB Output is correct
5 Correct 7 ms 7528 KB Output is correct
6 Correct 7 ms 7560 KB Output is correct
7 Correct 7 ms 7560 KB Output is correct
8 Correct 8 ms 7576 KB Output is correct
9 Correct 8 ms 7576 KB Output is correct
10 Correct 8 ms 7576 KB Output is correct
11 Correct 7 ms 7624 KB Output is correct
12 Correct 8 ms 7628 KB Output is correct
13 Correct 7 ms 7712 KB Output is correct
14 Correct 7 ms 7712 KB Output is correct
15 Correct 7 ms 7712 KB Output is correct
16 Correct 10 ms 7712 KB Output is correct
17 Correct 10 ms 7712 KB Output is correct
18 Correct 9 ms 7712 KB Output is correct
19 Correct 9 ms 7884 KB Output is correct
20 Correct 9 ms 7884 KB Output is correct
21 Correct 10 ms 7900 KB Output is correct
22 Correct 13 ms 8556 KB Output is correct
23 Correct 14 ms 8692 KB Output is correct
24 Correct 14 ms 8692 KB Output is correct
25 Correct 13 ms 8692 KB Output is correct
26 Correct 14 ms 8692 KB Output is correct
27 Correct 12 ms 63168 KB Output is correct
28 Correct 11 ms 63168 KB Output is correct
29 Correct 11 ms 63168 KB Output is correct
30 Correct 21 ms 63168 KB Output is correct
31 Correct 18 ms 63168 KB Output is correct
32 Correct 18 ms 63168 KB Output is correct
33 Correct 50 ms 63168 KB Output is correct
34 Correct 60 ms 63168 KB Output is correct
35 Correct 55 ms 63168 KB Output is correct
36 Correct 235 ms 63168 KB Output is correct
37 Correct 229 ms 63168 KB Output is correct
38 Correct 251 ms 63168 KB Output is correct
39 Execution timed out 3059 ms 63168 KB Time limit exceeded
40 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 7416 KB Output is correct
2 Correct 8 ms 7528 KB Output is correct
3 Correct 8 ms 7528 KB Output is correct
4 Correct 7 ms 7528 KB Output is correct
5 Correct 7 ms 7528 KB Output is correct
6 Correct 7 ms 7560 KB Output is correct
7 Correct 7 ms 7560 KB Output is correct
8 Correct 8 ms 7576 KB Output is correct
9 Correct 8 ms 7576 KB Output is correct
10 Correct 8 ms 7576 KB Output is correct
11 Correct 7 ms 7624 KB Output is correct
12 Correct 8 ms 7628 KB Output is correct
13 Correct 7 ms 7712 KB Output is correct
14 Correct 7 ms 7712 KB Output is correct
15 Correct 7 ms 7712 KB Output is correct
16 Correct 10 ms 7712 KB Output is correct
17 Correct 10 ms 7712 KB Output is correct
18 Correct 9 ms 7712 KB Output is correct
19 Correct 9 ms 7884 KB Output is correct
20 Correct 9 ms 7884 KB Output is correct
21 Correct 10 ms 7900 KB Output is correct
22 Correct 13 ms 8556 KB Output is correct
23 Correct 14 ms 8692 KB Output is correct
24 Correct 14 ms 8692 KB Output is correct
25 Correct 13 ms 8692 KB Output is correct
26 Correct 14 ms 8692 KB Output is correct
27 Correct 155 ms 21208 KB Output is correct
28 Correct 173 ms 21208 KB Output is correct
29 Correct 146 ms 21208 KB Output is correct
30 Correct 160 ms 21468 KB Output is correct
31 Correct 189 ms 21468 KB Output is correct
32 Correct 557 ms 40288 KB Output is correct
33 Correct 247 ms 40288 KB Output is correct
34 Correct 287 ms 40288 KB Output is correct
35 Correct 9 ms 40288 KB Output is correct
36 Correct 216 ms 40288 KB Output is correct
37 Correct 933 ms 61120 KB Output is correct
38 Correct 916 ms 61120 KB Output is correct
39 Correct 1181 ms 61120 KB Output is correct
40 Correct 244 ms 61120 KB Output is correct
41 Correct 108 ms 61120 KB Output is correct
42 Correct 23 ms 61120 KB Output is correct
43 Correct 1831 ms 61120 KB Output is correct
44 Correct 1045 ms 61120 KB Output is correct
45 Correct 526 ms 62952 KB Output is correct
46 Correct 440 ms 63040 KB Output is correct
47 Correct 469 ms 63040 KB Output is correct
48 Correct 513 ms 63040 KB Output is correct
49 Correct 433 ms 63168 KB Output is correct
50 Correct 168 ms 63168 KB Output is correct
51 Correct 12 ms 63168 KB Output is correct
52 Correct 11 ms 63168 KB Output is correct
53 Correct 11 ms 63168 KB Output is correct
54 Correct 21 ms 63168 KB Output is correct
55 Correct 18 ms 63168 KB Output is correct
56 Correct 18 ms 63168 KB Output is correct
57 Correct 50 ms 63168 KB Output is correct
58 Correct 60 ms 63168 KB Output is correct
59 Correct 55 ms 63168 KB Output is correct
60 Correct 235 ms 63168 KB Output is correct
61 Correct 229 ms 63168 KB Output is correct
62 Correct 251 ms 63168 KB Output is correct
63 Execution timed out 3059 ms 63168 KB Time limit exceeded
64 Halted 0 ms 0 KB -