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Submission #153232

# Submission time Handle Problem Language Result Execution time Memory
153232 2019-09-13T01:36:44 Z username Circle selection (APIO18_circle_selection) C++14
49 / 100
 3000 ms 325160 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];
bitset<maxn>rmv;
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;
	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[(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-2,xx+3)REP(y,yy-2,yy+3){
			auto&tls=mp[(int64_t)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: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 504 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 4 ms 380 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 3 ms 476 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 504 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 6 ms 632 KB Output is correct
21 Correct 6 ms 708 KB Output is correct
22 Correct 28 ms 4692 KB Output is correct
23 Correct 27 ms 4616 KB Output is correct
24 Correct 30 ms 4616 KB Output is correct
25 Correct 27 ms 4740 KB Output is correct
26 Correct 28 ms 4744 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 202 ms 18308 KB Output is correct
2 Correct 205 ms 17248 KB Output is correct
3 Correct 201 ms 16832 KB Output is correct
4 Correct 199 ms 18320 KB Output is correct
5 Correct 221 ms 16672 KB Output is correct
6 Correct 1044 ms 66320 KB Output is correct
7 Correct 268 ms 20204 KB Output is correct
8 Correct 416 ms 27632 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 1241 ms 83152 KB Output is correct
3 Execution timed out 3026 ms 286844 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 3035 ms 325160 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 504 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 4 ms 380 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 3 ms 476 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 504 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 6 ms 632 KB Output is correct
21 Correct 6 ms 708 KB Output is correct
22 Correct 28 ms 4692 KB Output is correct
23 Correct 27 ms 4616 KB Output is correct
24 Correct 30 ms 4616 KB Output is correct
25 Correct 27 ms 4740 KB Output is correct
26 Correct 28 ms 4744 KB Output is correct
27 Correct 9 ms 924 KB Output is correct
28 Correct 9 ms 924 KB Output is correct
29 Correct 9 ms 924 KB Output is correct
30 Correct 61 ms 9052 KB Output is correct
31 Correct 71 ms 9016 KB Output is correct
32 Correct 63 ms 9056 KB Output is correct
33 Correct 74 ms 6744 KB Output is correct
34 Correct 74 ms 6908 KB Output is correct
35 Correct 77 ms 6616 KB Output is correct
36 Correct 1092 ms 84452 KB Output is correct
37 Correct 1108 ms 84144 KB Output is correct
38 Correct 1127 ms 84020 KB Output is correct
39 Correct 410 ms 24920 KB Output is correct
40 Correct 390 ms 24968 KB Output is correct
41 Correct 386 ms 25000 KB Output is correct
42 Correct 178 ms 13532 KB Output is correct
43 Correct 1291 ms 139940 KB Output is correct
44 Correct 1276 ms 140128 KB Output is correct
45 Correct 1524 ms 140040 KB Output is correct
46 Correct 1344 ms 140148 KB Output is correct
47 Correct 1432 ms 140236 KB Output is correct
48 Correct 1315 ms 140236 KB Output is correct
49 Correct 1896 ms 140264 KB Output is correct
50 Correct 1434 ms 140112 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 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 4 ms 380 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 3 ms 476 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 504 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 6 ms 632 KB Output is correct
21 Correct 6 ms 708 KB Output is correct
22 Correct 28 ms 4692 KB Output is correct
23 Correct 27 ms 4616 KB Output is correct
24 Correct 30 ms 4616 KB Output is correct
25 Correct 27 ms 4740 KB Output is correct
26 Correct 28 ms 4744 KB Output is correct
27 Correct 202 ms 18308 KB Output is correct
28 Correct 205 ms 17248 KB Output is correct
29 Correct 201 ms 16832 KB Output is correct
30 Correct 199 ms 18320 KB Output is correct
31 Correct 221 ms 16672 KB Output is correct
32 Correct 1044 ms 66320 KB Output is correct
33 Correct 268 ms 20204 KB Output is correct
34 Correct 416 ms 27632 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 1241 ms 83152 KB Output is correct
37 Execution timed out 3026 ms 286844 KB Time limit exceeded
38 Halted 0 ms 0 KB -