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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#422700 | #8179. 2D Parentheses | msk_sama | WA | 65ms | 14268kb | C++14 | 3.5kb | 2024-05-27 18:50:56 | 2024-05-27 18:50:56 |
Judging History
answer
#include <bits/stdc++.h>
#define MISAKA main
#define ll long long
#define ull unsigned long long
using namespace std;
inline int read(){
char c=getchar();int x=0,f=1;
while(c<'0'||c>'9'){if(c=='-')f=-1;c=getchar();}
while('0'<=c&&c<='9'){x=(x<<1)+(x<<3)+(c^48);c=getchar();}
return x*f;
}
const int N=2e5+10,inf=1e9,mod=998244353;
struct point{int x,y,id;}p1[N],p2[N];
struct line{int h,l,r,tp;ull v;}a[N];
struct Node{int ls,rs,mx;}t[N<<6];
int n,K=0,cnt=0,_cnt=0,root=0,_root=0,ans[N];
int mmax(int a,int b){return p1[a].x>p1[b].x?a:b;}
void update(int &now,ll L,ll R,int x,int id){
// cerr<<L<<' '<<R<<' '<<x<<' '<<id<<endl;
if(!now) now=++cnt;ll mid=L+R>>1;
if(L==R){t[now].mx=id;return;}
if(x<=mid) update(t[now].ls,L,mid,x,id);
else update(t[now].rs,mid+1,R,x,id);
t[now].mx=mmax(t[t[now].ls].mx,t[t[now].rs].mx);
}
int query(int now,ll L,ll R,int l,int r){
if(L>r||R<l||!now) return 0;ll mid=L+R>>1;
if(l<=L&&R<=r) return t[now].mx;
return mmax(query(t[now].ls,L,mid,l,r),query(t[now].rs,mid+1,R,l,r));
}
bool cmp(point a,point b){return a.y!=b.y?a.y<b.y:a.x>b.x;}
bool _cmp(line a,line b){return a.h!=b.h?a.h<b.h:a.tp<b.tp;}
ull rd(){return (ull)(-rand())^(ull)rand()*51342394ull^34621273340549655943ull;}
struct node{int ls,rs;ull sum;}tn[N<<6];
void upd(int &now,ll L,ll R,int x,ull k){
if(!now) now=++_cnt;ll mid=L+R>>1;
if(L==R){tn[now].sum+=k;return;}
if(x<=mid) upd(tn[now].ls,L,mid,x,k);
else upd(tn[now].rs,mid+1,R,x,k);
tn[now].sum=tn[tn[now].ls].sum+tn[tn[now].rs].sum;
}
ull qry(int now,ll L,ll R,int l,int r){
if(L>r||R<l||!now||l>r) return 0;ll mid=L+R>>1;
if(l<=L&&R<=r) return tn[now].sum;
return qry(tn[now].ls,L,mid,l,r)+qry(tn[now].rs,mid+1,R,l,r);
}
signed MISAKA(){
srand(time(0));
n=read();p1[0].x=-2ll*inf;t[0].mx=0;
for(int i=1;i<=n;i++) p1[i].x=read(),p1[i].y=read(),p1[i].id=i;
for(int i=1;i<=n;i++) p2[i].x=read(),p2[i].y=read(),p2[i].id=i;
sort(p1+1,p1+n+1,cmp);sort(p2+1,p2+n+1,cmp);
for(int i=1,p=0;i<=n;i++){
while(p<n&&p1[p+1].y<p2[i].y){
p++;
// cout<<p1[p].x+inf<<endl;
update(root,0,2ll*inf,p1[p].x+inf,p);
}
// cerr<<i<<' '<<p<<' '<<t[root].mx<<endl;
int id=query(root,0,2ll*inf,0,p2[i].x-1+inf);
if(!id){printf("No");return 0;}
update(root,0,2ll*inf,p1[id].x+inf,0);
ull val=rd();ans[p1[id].id]=p2[i].id;
a[++K]=line{p1[id].y,p1[id].x,p2[i].x,1,val};
a[++K]=line{p2[i].y,p1[id].x,p2[i].x,-1,val};
// cerr<<p1[id].x<<' '<<p1[id].y<<' '<<p2[i].x<<' '<<p2[i].y<<endl;
}
sort(a+1,a+K+1,_cmp);
for(int i=1;i<=K;i++){
// if(qry(_root,0,2*inf,a[i].l+inf,a[i].r+inf-1)){printf("No");return 0;}
// if(a[i].l+1==a[i].r) continue;
// upd(_root,0,2ll*inf,a[i].l+inf+1,-a[i].v*a[i].tp);
// upd(_root,0,2ll*inf,a[i].r+inf,a[i].v*a[i].tp);
if(a[i].tp==-1){
// if(qry(_root,0,2*inf,a[i].l+inf,a[i].r-1+inf)){printf("No");return 0;}
upd(_root,0,2ll*inf,a[i].l+inf,-a[i].v);
upd(_root,0,2ll*inf,a[i].r+inf,a[i].v);
}else{
if(qry(_root,0,2*inf,a[i].l+inf,a[i].r-1+inf)){printf("No");return 0;}
upd(_root,0,2ll*inf,a[i].l+inf,a[i].v);
upd(_root,0,2ll*inf,a[i].r+inf,-a[i].v);
}
}
printf("Yes\n");
for(int i=1;i<=n;i++) printf("%d\n",ans[i]);
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 12112kb
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: 2ms
memory: 11920kb
input:
2 1 0 0 1 2 3 3 2
output:
No
result:
ok answer is NO
Test #3:
score: 0
Accepted
time: 0ms
memory: 10060kb
input:
1 1 1 0 0
output:
No
result:
ok answer is NO
Test #4:
score: -100
Wrong Answer
time: 65ms
memory: 14268kb
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:
No
result:
wrong answer expected YES, found NO