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Submission #106531

# Submission time Handle Problem Language Result Execution time Memory
106531 2019-04-19T03:02:09 Z username Circle selection (APIO18_circle_selection) C++14
49 / 100
 3000 ms 290180 KB 
#pragma GCC optimize("O3")
#include<bits/stdc++.h>
#define int int64_t//int_fast64_t
using namespace std;
typedef pair<int,int> pii;
typedef vector<int> VI;
#define REP(i,j,k) for(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=3e9;
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 3 ms 384 KB Output is correct
3 Correct 3 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 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 4 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 2 ms 384 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 5 ms 764 KB Output is correct
20 Correct 5 ms 768 KB Output is correct
21 Correct 6 ms 640 KB Output is correct
22 Correct 36 ms 4744 KB Output is correct
23 Correct 29 ms 4616 KB Output is correct
24 Correct 23 ms 4744 KB Output is correct
25 Correct 28 ms 4744 KB Output is correct
26 Correct 34 ms 4744 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 225 ms 16896 KB Output is correct
2 Correct 184 ms 17892 KB Output is correct
3 Correct 201 ms 18908 KB Output is correct
4 Correct 226 ms 17000 KB Output is correct
5 Correct 277 ms 21780 KB Output is correct
6 Correct 1325 ms 70792 KB Output is correct
7 Correct 367 ms 25196 KB Output is correct
8 Correct 558 ms 32580 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 640 KB Output is correct
2 Correct 1352 ms 83132 KB Output is correct
3 Execution timed out 3041 ms 286460 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 3061 ms 290180 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 3 ms 384 KB Output is correct
3 Correct 3 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 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 4 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 2 ms 384 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 5 ms 764 KB Output is correct
20 Correct 5 ms 768 KB Output is correct
21 Correct 6 ms 640 KB Output is correct
22 Correct 36 ms 4744 KB Output is correct
23 Correct 29 ms 4616 KB Output is correct
24 Correct 23 ms 4744 KB Output is correct
25 Correct 28 ms 4744 KB Output is correct
26 Correct 34 ms 4744 KB Output is correct
27 Correct 9 ms 1024 KB Output is correct
28 Correct 13 ms 1024 KB Output is correct
29 Correct 10 ms 984 KB Output is correct
30 Correct 98 ms 9052 KB Output is correct
31 Correct 93 ms 9016 KB Output is correct
32 Correct 99 ms 9016 KB Output is correct
33 Correct 66 ms 6764 KB Output is correct
34 Correct 72 ms 6796 KB Output is correct
35 Correct 64 ms 6196 KB Output is correct
36 Correct 1496 ms 84652 KB Output is correct
37 Correct 1323 ms 84344 KB Output is correct
38 Correct 1293 ms 84216 KB Output is correct
39 Correct 550 ms 26728 KB Output is correct
40 Correct 583 ms 26712 KB Output is correct
41 Correct 582 ms 26800 KB Output is correct
42 Correct 153 ms 14596 KB Output is correct
43 Correct 1675 ms 140224 KB Output is correct
44 Correct 1726 ms 140388 KB Output is correct
45 Correct 1640 ms 140272 KB Output is correct
46 Correct 1518 ms 140232 KB Output is correct
47 Correct 1586 ms 140356 KB Output is correct
48 Correct 1595 ms 140360 KB Output is correct
49 Correct 1692 ms 140456 KB Output is correct
50 Correct 1711 ms 140280 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 3 ms 384 KB Output is correct
3 Correct 3 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 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 4 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 2 ms 384 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 5 ms 764 KB Output is correct
20 Correct 5 ms 768 KB Output is correct
21 Correct 6 ms 640 KB Output is correct
22 Correct 36 ms 4744 KB Output is correct
23 Correct 29 ms 4616 KB Output is correct
24 Correct 23 ms 4744 KB Output is correct
25 Correct 28 ms 4744 KB Output is correct
26 Correct 34 ms 4744 KB Output is correct
27 Correct 225 ms 16896 KB Output is correct
28 Correct 184 ms 17892 KB Output is correct
29 Correct 201 ms 18908 KB Output is correct
30 Correct 226 ms 17000 KB Output is correct
31 Correct 277 ms 21780 KB Output is correct
32 Correct 1325 ms 70792 KB Output is correct
33 Correct 367 ms 25196 KB Output is correct
34 Correct 558 ms 32580 KB Output is correct
35 Correct 2 ms 640 KB Output is correct
36 Correct 1352 ms 83132 KB Output is correct
37 Execution timed out 3041 ms 286460 KB Time limit exceeded
38 Halted 0 ms 0 KB -