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Submission #153235

# Submission time Handle Problem Language Result Execution time Memory
153235 2019-09-13T01:41:42 Z username Circle selection (APIO18_circle_selection) C++14
49 / 100
 3000 ms 342832 KB 
#include<bits/stdc++.h>
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) (int64_t(x)*(x))
 
const int maxn=3e5+3,inf=2e9+3,bl=2e9+3;
struct C{int x,y,r,id;}a[maxn];
int n,res[maxn];
bool rmv[maxn];
unordered_map<int64_t,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;
	sort(a,a+n,[](const C&x,const C&y){return x.r==y.r?x.id<y.id: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[(int64_t)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-5,xx)REP(y,yy-5,yy){
			auto&tls=mp[(int64_t)(x+3)*bl+(y+3)];
			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:17:6: 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 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 476 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 6 ms 632 KB Output is correct
20 Correct 5 ms 760 KB Output is correct
21 Correct 6 ms 632 KB Output is correct
22 Correct 29 ms 4720 KB Output is correct
23 Correct 28 ms 4652 KB Output is correct
24 Correct 28 ms 4616 KB Output is correct
25 Correct 28 ms 4664 KB Output is correct
26 Correct 29 ms 4744 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 195 ms 10692 KB Output is correct
2 Correct 198 ms 11588 KB Output is correct
3 Correct 195 ms 11692 KB Output is correct
4 Correct 194 ms 10716 KB Output is correct
5 Correct 242 ms 14816 KB Output is correct
6 Correct 1054 ms 64336 KB Output is correct
7 Correct 283 ms 18176 KB Output is correct
8 Correct 406 ms 25532 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 1093 ms 82868 KB Output is correct
3 Execution timed out 3048 ms 279992 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 3048 ms 342832 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 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 476 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 6 ms 632 KB Output is correct
20 Correct 5 ms 760 KB Output is correct
21 Correct 6 ms 632 KB Output is correct
22 Correct 29 ms 4720 KB Output is correct
23 Correct 28 ms 4652 KB Output is correct
24 Correct 28 ms 4616 KB Output is correct
25 Correct 28 ms 4664 KB Output is correct
26 Correct 29 ms 4744 KB Output is correct
27 Correct 9 ms 1016 KB Output is correct
28 Correct 9 ms 1016 KB Output is correct
29 Correct 9 ms 1016 KB Output is correct
30 Correct 62 ms 9036 KB Output is correct
31 Correct 59 ms 9016 KB Output is correct
32 Correct 65 ms 9120 KB Output is correct
33 Correct 74 ms 5076 KB Output is correct
34 Correct 72 ms 4980 KB Output is correct
35 Correct 76 ms 4692 KB Output is correct
36 Correct 1137 ms 83320 KB Output is correct
37 Correct 1134 ms 83000 KB Output is correct
38 Correct 1115 ms 82892 KB Output is correct
39 Correct 423 ms 24768 KB Output is correct
40 Correct 445 ms 24804 KB Output is correct
41 Correct 412 ms 24812 KB Output is correct
42 Correct 180 ms 13076 KB Output is correct
43 Correct 1312 ms 139000 KB Output is correct
44 Correct 1317 ms 139124 KB Output is correct
45 Correct 1370 ms 138772 KB Output is correct
46 Correct 1311 ms 139120 KB Output is correct
47 Correct 1300 ms 139292 KB Output is correct
48 Correct 1295 ms 139124 KB Output is correct
49 Correct 1885 ms 139136 KB Output is correct
50 Correct 1415 ms 139136 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 476 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 6 ms 632 KB Output is correct
20 Correct 5 ms 760 KB Output is correct
21 Correct 6 ms 632 KB Output is correct
22 Correct 29 ms 4720 KB Output is correct
23 Correct 28 ms 4652 KB Output is correct
24 Correct 28 ms 4616 KB Output is correct
25 Correct 28 ms 4664 KB Output is correct
26 Correct 29 ms 4744 KB Output is correct
27 Correct 195 ms 10692 KB Output is correct
28 Correct 198 ms 11588 KB Output is correct
29 Correct 195 ms 11692 KB Output is correct
30 Correct 194 ms 10716 KB Output is correct
31 Correct 242 ms 14816 KB Output is correct
32 Correct 1054 ms 64336 KB Output is correct
33 Correct 283 ms 18176 KB Output is correct
34 Correct 406 ms 25532 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 1093 ms 82868 KB Output is correct
37 Execution timed out 3048 ms 279992 KB Time limit exceeded
38 Halted 0 ms 0 KB -