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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#142663#5463. Range Closest Pair of Points QueryTadijaSebezWA 204ms69312kbC++141.5kb2023-08-19 17:28:272023-08-19 17:28:30

Judging History

你现在查看的是最新测评结果

  • [2023-08-19 17:28:30]
  • 评测
  • 测评结果:WA
  • 用时:204ms
  • 内存:69312kb
  • [2023-08-19 17:28:27]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back

const int N=250050;
int x[N],y[N],l[N],r[N];
ll ans[N];
int n,q;

ll sq(int x){
	return (ll)x*x;
}

ll Dist(int i,int j){
	return sq(x[i]-x[j])+sq(y[i]-y[j]);
}

const ll inf=1e18;

const int L=27;
map<pair<int,int>,int> last[L];
int ptr[L];
vector<int> Qs[N];

ll mn[L][N];
void Set(int lvl,int i,ll x){
	for(;i>0;i-=i&-i){
		mn[lvl][i]=min(mn[lvl][i],x);
	}
}
ll Get(int lvl,int i){
	ll ans=inf;
	for(;i<=n;i+=i&-i){
		ans=min(ans,mn[lvl][i]);
	}
	return ans;
}
int main(){
	scanf("%i %i",&n,&q);
	for(int i=1;i<=n;i++){
		scanf("%i %i",&x[i],&y[i]);
	}
	for(int i=1;i<=q;i++){
		scanf("%i %i",&l[i],&r[i]);
		Qs[r[i]].pb(i);
	}
	for(int j=0;j<L;j++){
		for(int i=1;i<=n;i++){
			mn[j][i]=inf;
		}
	}
	for(int i=1;i<=n;i++){
		for(int j=0;j<L;j++){
			int X=x[i]>>j;
			int Y=y[i]>>j;
			if(last[j].count({X,Y})){
				ptr[j]=max(ptr[j],last[j][{X,Y}]+1);
			}
			last[j][{X,Y}]=i;
			for(int dx=-1;dx<=1;dx++){
				for(int dy=-1;dy<=1;dy++){
					if(dx==0 && dy==0)continue;
					if(last[j].count({X+dx,Y+dy})){
						int idx=last[j][{X+dx,Y+dy}];
						ll dist=Dist(i,idx);
						Set(j,idx,dist);
					}
				}
			}
		}
		for(int qi:Qs[i]){
			int lvl=-1;
			for(int j=L-1;~j;j--){
				if(ptr[j]<=l[qi]){
					lvl=j;
					break;
				}
			}
			if(lvl==-1)ans[qi]=0;
			else{
				ans[qi]=Get(lvl,l[qi]);
			}
		}
	}
	for(int i=1;i<=q;i++)printf("%lld\n",ans[i]);
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 65188kb

input:

5 5
2 4
1 1
3 3
5 1
4 2
1 5
2 3
2 4
3 5
1 3

output:

2
8
8
2
2

result:

ok 5 number(s): "2 8 8 2 2"

Test #2:

score: 0
Accepted
time: 2ms
memory: 67196kb

input:

2 1
1 1
1 1
1 2

output:

0

result:

ok 1 number(s): "0"

Test #3:

score: 0
Accepted
time: 0ms
memory: 65156kb

input:

2 1
1 100000000
100000000 1
1 2

output:

19999999600000002

result:

ok 1 number(s): "19999999600000002"

Test #4:

score: 0
Accepted
time: 94ms
memory: 69312kb

input:

20000 250000
3 10
5 4
4 7
1 5
2 1
10 6
2 3
8 4
2 1
8 5
9 8
7 7
4 5
2 7
9 4
9 10
3 2
9 5
10 2
9 2
3 1
9 9
6 5
9 5
9 10
9 1
1 2
8 8
3 4
7 6
6 2
6 8
6 6
8 4
10 2
1 1
10 2
8 3
4 4
5 5
5 1
4 9
7 6
6 8
6 4
1 6
10 3
3 2
4 10
6 8
9 7
2 10
7 8
10 7
3 2
5 1
6 4
7 9
1 3
4 9
4 8
9 4
5 2
2 2
9 2
9 2
9 6
6 9
8 7
...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
...

result:

ok 250000 numbers

Test #5:

score: -100
Wrong Answer
time: 204ms
memory: 67908kb

input:

20000 250000
72 45
72 34
34 10
20 96
79 39
43 5
72 49
56 85
1 72
44 70
73 89
69 76
49 89
57 38
39 9
33 47
22 3
96 41
90 82
25 6
72 92
73 38
53 21
16 88
59 9
54 2
14 6
7 94
99 68
27 82
70 50
81 81
60 81
2 98
33 19
98 9
35 36
49 66
86 7
3 95
32 89
62 42
68 88
65 16
94 6
85 10
51 69
90 36
70 87
13 79
4...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0...

result:

wrong answer 154th numbers differ - expected: '40', found: '41'