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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#618865 | #8179. 2D Parentheses | Fiyuls | WA | 109ms | 23512kb | C++14 | 3.1kb | 2024-10-07 11:09:51 | 2024-10-07 11:09:52 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define PII pair<int,int>
#define ULL unsigned long long
#define make(a,b) make_pair(a,b)
mt19937 RDom(time(0));
const int maxn=4e5+5;
struct node{
int x,y,col,id;
bool operator<(const node a)const{
return (x==a.x)?y<a.y:x<a.x;
}
bool operator==(const node a)const{
return x==a.x and y==a.y;
}
bool operator>(const node a)const{
return (x==a.x)?y>a.y:x>a.x;
}
}nd[maxn];
struct pand{
int x,ly,ry,op;
ULL id;
}pa[maxn];
int n,m,Cnt,lc,lisa[maxn],Comp[maxn];
set<node> sn;
ULL Tre[maxn<<2];
ULL query(int u,int stdl,int stdr,int l,int r){if(l>r)return 0;
if(stdl==l and stdr==r){
return Tre[u];
}
int mid=(stdl+stdr)>>1,lson=(u<<1),rson=lson+1;
if(r<=mid)return query(lson,stdl,mid,l,r);else if(l>=mid+1)return query(rson,mid+1,stdr,l,r);
else{
return query(lson,stdl,mid,l,mid)+query(rson,mid+1,stdr,mid+1,r);
}
}
void modify(int u,int stdl,int stdr,int x,ULL d){
if(stdl==stdr){
Tre[u]+=d;
return;
}
int mid=(stdl+stdr)>>1,lson=(u<<1),rson=lson+1;
if(x<=mid){
modify(lson,stdl,mid,x,d);
}else{
modify(rson,mid+1,stdr,x,d);
}
Tre[u]=Tre[lson]+Tre[rson];
}
int main(){
scanf("%d",&n);
for(int i=1;i<=n;i++){
Cnt++,scanf("%d%d",&nd[Cnt].x,&nd[Cnt].y),nd[Cnt].id=i,nd[Cnt].col=0,lisa[++lc]=nd[Cnt].y;
}
for(int i=1;i<=n;i++){
Cnt++,scanf("%d%d",&nd[Cnt].x,&nd[Cnt].y),nd[Cnt].id=i,nd[Cnt].col=1,lisa[++lc]=nd[Cnt].y;
}
sort(nd+1,nd+1+Cnt,[](node a,node b){return (a.x==b.x)?((a.col==b.col)?a.y<b.y:a.col<b.col):a.x>b.x;});
for(int i=1;i<=Cnt;i++){
if(nd[i].col==1){
sn.insert(nd[i]);
}else{
node found=nd[i];
found.x++,found.y++;
auto p=sn.lower_bound(found);
if(p==sn.end()){
printf("No");return 0;
}
ULL Hash=RDom();
Comp[nd[i].id]=(*p).id,pa[++m]=pand{(*p).x,nd[i].y,(*p).y,+1,Hash},pa[++m]=pand{nd[i].x,nd[i].y,(*p).y,-1,Hash},sn.erase(p);
}
}
if(n<=1000){
sort(pa+1,pa+1+m,[](pand a,pand b){return (a.x==b.x)?a.op<b.op:a.x>b.x;}),sort(lisa+1,lisa+1+lc),lc=unique(lisa+1,lisa+1+lc)-(lisa+1);
for(int i=1,j=1;i<=m;i++){
pa[i].ly=lower_bound(lisa+1,lisa+1+lc,pa[i].ly)-lisa;
pa[i].ry=lower_bound(lisa+1,lisa+1+lc,pa[i].ry)-lisa;
while(pa[j].x!=pa[i].x){
if(pa[j].op==1){
modify(1,1,lc,pa[j].ly,+pa[j].id*pa[j].op);
modify(1,1,lc,pa[j].ry,+pa[j].id*pa[j].op);
}
j++;
}
if(pa[i].op==1){
if(query(1,1,lc,pa[i].ly+1,pa[i].ry-1)){
printf("No");
return 0;
}
}else{
modify(1,1,lc,pa[i].ly,+pa[i].id*pa[i].op);
modify(1,1,lc,pa[i].ry,+pa[i].id*pa[i].op);
}
}}
printf("Yes\n");
for(int i=1;i<=n;i++){
printf("%d\n",Comp[i]);
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 12148kb
input:
3 0 0 2 -2 1 1 2 2 3 1 2 3
output:
Yes 3 2 1
result:
ok answer is YES, 3 tokens
Test #2:
score: 0
Accepted
time: 0ms
memory: 10020kb
input:
2 1 0 0 1 2 3 3 2
output:
No
result:
ok answer is NO
Test #3:
score: 0
Accepted
time: 1ms
memory: 10020kb
input:
1 1 1 0 0
output:
No
result:
ok answer is NO
Test #4:
score: -100
Wrong Answer
time: 109ms
memory: 23512kb
input:
199996 94702923 895749121 -830347683 823853414 -638337012 -528381915 774504965 -903560893 465975432 931026841 47062323 901390864 539345338 830099354 278774201 896803047 -445303873 568413124 80473317 828648317 804283391 -307873779 543648687 893783688 814084625 -664894626 169476937 -999435847 -8232728...
output:
Yes 60712 119010 125993 60528 74780 103293 43983 198023 2952 30857 44526 174017 33755 111711 44237 187773 173973 142583 141927 72913 191584 98374 191655 165032 162909 157856 63476 31857 62483 168679 180060 22555 97973 120692 30396 156904 78207 4450 107334 29064 139898 22634 93637 133368 13162 548 40...
result:
wrong answer 1st words differ - expected: '21701', found: '60712'