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Submission #106532

# Submission time Handle Problem Language Result Execution time Memory
106532 2019-04-19T03:04:43 Z username Circle selection (APIO18_circle_selection) C++14
49 / 100
 3000 ms 286404 KB 
#pragma GCC optimize("O3")
#include<bits/stdc++.h>
#define int int_fast64_t
using namespace std;
typedef pair<int,int> pii;
typedef vector<int> VI;
#define REP(i,j,k) for(register int i=(j);i<(k);++i)
#define pb emplace_back
#define F first
#define S second
#define IOS cin.tie(0),cout.tie(0),ios_base::sync_with_stdio(false)
#define f2(x) ((x)*(x))

const int maxn=3e5+9,inf=1ll<<60,bl=2e9+3;
struct C{int x,y,r,id;}a[maxn];
int n,rmv[maxn],res[maxn];
unordered_map<int,VI>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,[](C x,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[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])continue;
				C c=a[*it];
				if(f2(a[i].x-c.x)+f2(a[i].y-c.y)<=f2(a[i].r+c.r)){
					res[c.id]=a[i].id;
					rmv[*it]=1;
				}
			}
		}
	}
	REP(i,0,n)cout<<res[i]+1<<" ";
}

Compilation message

circle_selection.cpp:19:6: 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 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 356 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 3 ms 512 KB Output is correct
13 Correct 2 ms 512 KB Output is correct
14 Correct 4 ms 512 KB Output is correct
15 Correct 3 ms 512 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 3 ms 512 KB Output is correct
19 Correct 5 ms 768 KB Output is correct
20 Correct 6 ms 768 KB Output is correct
21 Correct 8 ms 640 KB Output is correct
22 Correct 33 ms 4624 KB Output is correct
23 Correct 31 ms 4744 KB Output is correct
24 Correct 41 ms 4708 KB Output is correct
25 Correct 41 ms 4740 KB Output is correct
26 Correct 37 ms 4752 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 237 ms 16896 KB Output is correct
2 Correct 254 ms 18496 KB Output is correct
3 Correct 236 ms 18800 KB Output is correct
4 Correct 289 ms 17024 KB Output is correct
5 Correct 330 ms 21928 KB Output is correct
6 Correct 1445 ms 70636 KB Output is correct
7 Correct 464 ms 25224 KB Output is correct
8 Correct 650 ms 30792 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 1449 ms 83184 KB Output is correct
3 Execution timed out 3040 ms 286404 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 3085 ms 284704 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 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 356 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 3 ms 512 KB Output is correct
13 Correct 2 ms 512 KB Output is correct
14 Correct 4 ms 512 KB Output is correct
15 Correct 3 ms 512 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 3 ms 512 KB Output is correct
19 Correct 5 ms 768 KB Output is correct
20 Correct 6 ms 768 KB Output is correct
21 Correct 8 ms 640 KB Output is correct
22 Correct 33 ms 4624 KB Output is correct
23 Correct 31 ms 4744 KB Output is correct
24 Correct 41 ms 4708 KB Output is correct
25 Correct 41 ms 4740 KB Output is correct
26 Correct 37 ms 4752 KB Output is correct
27 Correct 11 ms 968 KB Output is correct
28 Correct 12 ms 996 KB Output is correct
29 Correct 9 ms 1024 KB Output is correct
30 Correct 106 ms 9020 KB Output is correct
31 Correct 111 ms 9100 KB Output is correct
32 Correct 105 ms 9020 KB Output is correct
33 Correct 92 ms 6628 KB Output is correct
34 Correct 77 ms 6768 KB Output is correct
35 Correct 82 ms 6068 KB Output is correct
36 Correct 1653 ms 84540 KB Output is correct
37 Correct 1470 ms 84308 KB Output is correct
38 Correct 1477 ms 84080 KB Output is correct
39 Correct 546 ms 26700 KB Output is correct
40 Correct 559 ms 26844 KB Output is correct
41 Correct 546 ms 26760 KB Output is correct
42 Correct 284 ms 14604 KB Output is correct
43 Correct 1708 ms 140268 KB Output is correct
44 Correct 1752 ms 140312 KB Output is correct
45 Correct 1796 ms 140228 KB Output is correct
46 Correct 1747 ms 140288 KB Output is correct
47 Correct 1701 ms 140488 KB Output is correct
48 Correct 1601 ms 140412 KB Output is correct
49 Correct 2314 ms 140612 KB Output is correct
50 Correct 1976 ms 140092 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 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 356 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 3 ms 512 KB Output is correct
13 Correct 2 ms 512 KB Output is correct
14 Correct 4 ms 512 KB Output is correct
15 Correct 3 ms 512 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 3 ms 512 KB Output is correct
19 Correct 5 ms 768 KB Output is correct
20 Correct 6 ms 768 KB Output is correct
21 Correct 8 ms 640 KB Output is correct
22 Correct 33 ms 4624 KB Output is correct
23 Correct 31 ms 4744 KB Output is correct
24 Correct 41 ms 4708 KB Output is correct
25 Correct 41 ms 4740 KB Output is correct
26 Correct 37 ms 4752 KB Output is correct
27 Correct 237 ms 16896 KB Output is correct
28 Correct 254 ms 18496 KB Output is correct
29 Correct 236 ms 18800 KB Output is correct
30 Correct 289 ms 17024 KB Output is correct
31 Correct 330 ms 21928 KB Output is correct
32 Correct 1445 ms 70636 KB Output is correct
33 Correct 464 ms 25224 KB Output is correct
34 Correct 650 ms 30792 KB Output is correct
35 Correct 2 ms 384 KB Output is correct
36 Correct 1449 ms 83184 KB Output is correct
37 Execution timed out 3040 ms 286404 KB Time limit exceeded
38 Halted 0 ms 0 KB -