QOJ.ac
QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#142665 | #5463. Range Closest Pair of Points Query | TadijaSebez | WA | 782ms | 65592kb | C++14 | 1.6kb | 2023-08-19 17:35:24 | 2023-08-19 17:35:25 |
Judging History
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=-2;dx<=2;dx++){
for(int dy=-2;dy<=2;dy++){
if(dx==0 && dy==0)continue;
if(abs(dx)==2 && abs(dy)==2)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;
}
詳細信息
Test #1:
score: 100
Accepted
time: 5ms
memory: 53020kb
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: 0ms
memory: 46792kb
input:
2 1 1 1 1 1 1 2
output:
0
result:
ok 1 number(s): "0"
Test #3:
score: 0
Accepted
time: 3ms
memory: 44848kb
input:
2 1 1 100000000 100000000 1 1 2
output:
19999999600000002
result:
ok 1 number(s): "19999999600000002"
Test #4:
score: 0
Accepted
time: 144ms
memory: 46744kb
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: 0
Accepted
time: 367ms
memory: 49208kb
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:
ok 250000 numbers
Test #6:
score: 0
Accepted
time: 522ms
memory: 52972kb
input:
20000 250000 116 165 150 677 951 676 552 324 267 222 739 755 705 663 235 142 152 714 735 641 414 201 313 663 683 300 403 739 37 521 42 833 553 733 886 449 86 913 55 637 731 932 143 161 500 891 719 79 916 237 431 992 804 210 643 332 165 362 178 332 821 510 762 34 188 83 283 357 743 407 750 487 19 658...
output:
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 45 1 0 1 0 0 0 2 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 4 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 52 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 5 0 0 0 0 0 1 0 0 0 1 1 0 0 0 2 0 0 0 0 0 0 ...
result:
ok 250000 numbers
Test #7:
score: -100
Wrong Answer
time: 782ms
memory: 65592kb
input:
20000 250000 193144 901630 894860 3728 802840 155641 625273 792794 433205 942335 223506 874548 425235 550629 341169 950916 49296 305542 709463 512381 9742 994078 106664 845553 38691 373010 184728 331946 344567 438182 854583 291040 94405 555036 56330 494420 928479 123077 796593 798314 300374 490072 2...
output:
3576676 1219565 93925 2336788 8872 68 137 842657 137 8560936 13914025 28521 88362 8872 8872 52996 12869 86297 68 8137625 93925 12869 86297 8872 8872 8872 47888 8872 12869 107860 12869 59536 59536 425540 12869 59536 8872 93925 117225 137 137 52996 68 52996 137 8872 68 12869 137 68 86297 1514 159700 6...
result:
wrong answer 161056th numbers differ - expected: '67113701', found: '68450257'