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Submission #106551

# Submission time Handle Problem Language Result Execution time Memory
106551 2019-04-19T03:36:13 Z username Circle selection (APIO18_circle_selection) C++14
49 / 100
 3000 ms 284632 KB 
#include<bits/stdc++.h>
#define int int64_t
using namespace std;
typedef pair<int,int> pii;
#define REP(i,j,k) for(int i=(j);i<(k);++i)
#define pb push_back
#define F first
#define S second
#define IOS cin.tie(0),ios_base::sync_with_stdio(false)
#define f2(x) ((x)*(x))

const int maxn=3e5+3,inf=1ll<<60,bl=2e9+3;
struct C{int x,y,r,id;}a[maxn];
int n,res[maxn];
bitset<maxn>rmv;
unordered_map<int,vector<int>>mp;
 
main(){
	IOS;
	cin>>n;
	REP(i,0,n)cin>>a[i].x>>a[i].y>>a[i].r,a[i].id=i;
	stable_sort(a,a+n,[](const C&x,const C&y){return x.r>y.r;});
	int k=inf;
	REP(i,0,n){
		if(rmv[i])continue;
		if(2*a[i].r<k){
			k=a[i].r;
			mp.clear();
			REP(j,i,n)if(!rmv[j])mp[a[j].x/k*bl+a[j].y/k].pb(j);
		}
		int xx=a[i].x/k,yy=a[i].y/k;
		REP(x,xx-2,xx+3)REP(y,yy-2,yy+3){
			auto&tls=mp[x*bl+y];
			for(auto it=tls.begin();it!=tls.end();++it){
				if(!rmv[*it]&&f2(a[i].x-a[*it].x)+f2(a[i].y-a[*it].y)<=f2(a[i].r+a[*it].r)){
					res[a[*it].id]=a[i].id;
					rmv[*it]=1;
				}
			}
		}
	}
	REP(i,0,n)cout<<res[i]+1<<" ";
}

Compilation message

circle_selection.cpp:18:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 428 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 3 ms 512 KB Output is correct
14 Correct 2 ms 512 KB Output is correct
15 Correct 3 ms 484 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 7 ms 688 KB Output is correct
20 Correct 6 ms 688 KB Output is correct
21 Correct 7 ms 688 KB Output is correct
22 Correct 28 ms 4720 KB Output is correct
23 Correct 31 ms 4544 KB Output is correct
24 Correct 38 ms 4672 KB Output is correct
25 Correct 43 ms 4652 KB Output is correct
26 Correct 51 ms 4652 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 212 ms 20772 KB Output is correct
2 Correct 196 ms 18452 KB Output is correct
3 Correct 178 ms 18708 KB Output is correct
4 Correct 182 ms 20552 KB Output is correct
5 Correct 244 ms 19484 KB Output is correct
6 Correct 1473 ms 68236 KB Output is correct
7 Correct 330 ms 22848 KB Output is correct
8 Correct 532 ms 30148 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 1493 ms 82336 KB Output is correct
3 Execution timed out 3115 ms 284632 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3039 ms 283636 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 428 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 3 ms 512 KB Output is correct
14 Correct 2 ms 512 KB Output is correct
15 Correct 3 ms 484 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 7 ms 688 KB Output is correct
20 Correct 6 ms 688 KB Output is correct
21 Correct 7 ms 688 KB Output is correct
22 Correct 28 ms 4720 KB Output is correct
23 Correct 31 ms 4544 KB Output is correct
24 Correct 38 ms 4672 KB Output is correct
25 Correct 43 ms 4652 KB Output is correct
26 Correct 51 ms 4652 KB Output is correct
27 Correct 8 ms 992 KB Output is correct
28 Correct 8 ms 992 KB Output is correct
29 Correct 8 ms 992 KB Output is correct
30 Correct 86 ms 8960 KB Output is correct
31 Correct 104 ms 8928 KB Output is correct
32 Correct 102 ms 9064 KB Output is correct
33 Correct 71 ms 6248 KB Output is correct
34 Correct 64 ms 6576 KB Output is correct
35 Correct 71 ms 6192 KB Output is correct
36 Correct 1379 ms 83780 KB Output is correct
37 Correct 1500 ms 83476 KB Output is correct
38 Correct 1371 ms 83588 KB Output is correct
39 Correct 513 ms 25804 KB Output is correct
40 Correct 524 ms 25932 KB Output is correct
41 Correct 490 ms 25932 KB Output is correct
42 Correct 259 ms 13648 KB Output is correct
43 Correct 1533 ms 139556 KB Output is correct
44 Correct 1610 ms 139532 KB Output is correct
45 Correct 1731 ms 139392 KB Output is correct
46 Correct 1605 ms 139348 KB Output is correct
47 Correct 1613 ms 139632 KB Output is correct
48 Correct 1554 ms 139680 KB Output is correct
49 Correct 2467 ms 139552 KB Output is correct
50 Correct 1723 ms 139496 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 428 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 3 ms 512 KB Output is correct
14 Correct 2 ms 512 KB Output is correct
15 Correct 3 ms 484 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 7 ms 688 KB Output is correct
20 Correct 6 ms 688 KB Output is correct
21 Correct 7 ms 688 KB Output is correct
22 Correct 28 ms 4720 KB Output is correct
23 Correct 31 ms 4544 KB Output is correct
24 Correct 38 ms 4672 KB Output is correct
25 Correct 43 ms 4652 KB Output is correct
26 Correct 51 ms 4652 KB Output is correct
27 Correct 212 ms 20772 KB Output is correct
28 Correct 196 ms 18452 KB Output is correct
29 Correct 178 ms 18708 KB Output is correct
30 Correct 182 ms 20552 KB Output is correct
31 Correct 244 ms 19484 KB Output is correct
32 Correct 1473 ms 68236 KB Output is correct
33 Correct 330 ms 22848 KB Output is correct
34 Correct 532 ms 30148 KB Output is correct
35 Correct 2 ms 384 KB Output is correct
36 Correct 1493 ms 82336 KB Output is correct
37 Execution timed out 3115 ms 284632 KB Time limit exceeded
38 Halted 0 ms 0 KB -