QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#618884#8179. 2D ParenthesesFiyulsWA 123ms24116kbC++143.0kb2024-10-07 11:21:032024-10-07 11:21:03

Judging History

你现在查看的是最新测评结果

  • [2024-10-07 11:21:03]
  • 评测
  • 测评结果:WA
  • 用时:123ms
  • 内存:24116kb
  • [2024-10-07 11:21:03]
  • 提交

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 (y!=a.y)?y<a.y:x<a.x;
    }
    bool operator>(const node a)const{
        return (y!=a.y)?y>a.y:x>a.x;
    }
    bool operator==(const node a)const{
        return x==a.x and y==a.y;
    }
}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{
            auto p=sn.upper_bound(nd[i]);
            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

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 10104kb

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: 10104kb

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: 10036kb

input:

1
1 1
0 0

output:

No

result:

ok answer is NO

Test #4:

score: -100
Wrong Answer
time: 123ms
memory: 24116kb

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
179847
88398
85506
159482
29196
103293
188581
198023
157367
48765
173490
11231
137133
196363
186804
109982
78032
34701
44848
136548
134111
59067
59175
165032
96898
44935
5843
122285
62483
155862
76890
97333
145165
56089
167272
28165
1888
1988
107334
185925
183211
91317
115785
179081
10550
101854...

result:

wrong answer 1st words differ - expected: '21701', found: '179847'