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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#422959 | #8179. 2D Parentheses | msk_sama | WA | 324ms | 56724kb | C++14 | 3.1kb | 2024-05-27 20:30:23 | 2024-05-27 20:30:23 |
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=1e6+10,inf=1e9+1,mod=998244353;
struct point{
int x,y,id;
friend bool operator<(point a,point b){return a.x!=b.x?a.x<b.x:a.y<b.y;}
}p1[N],p2[N];multiset<point> s;
struct line{int h,l,r,tp;ull v;}a[N];
int n,K=0,cnt=0,root=0,ans[N],b[N],len=0;
map<int,int> mp;
ull rd(){return (ull)(-rand())^(ull)rand()*rand()^3462127334545943ull;}
struct node{int l,r,tag;ull val,lazy;}t[N<<2];
void build(int now,int l,int r){
t[now].l=l,t[now].r=r;t[now].tag=1;
if(l==r) return;int mid=l+r>>1;
build(2*now,l,mid);build(2*now+1,mid+1,r);
}
void pushup(int now){
t[now].tag=t[2*now].tag&&t[2*now+1].tag&&t[2*now].val==t[2*now+1].val;
t[now].val=t[2*now].val;
}
void cal(int now,ull x){t[now].val^=x,t[now].lazy^=x;}
void pushdown(int now){
if(!t[now].lazy) return;
cal(2*now,t[now].lazy);
cal(2*now+1,t[now].lazy);
t[now].lazy=0;
}
void upd(int now,int l,int r,ull x){
if(t[now].l>r||t[now].r<l) return;
if(l<=t[now].l&&t[now].r<=r) return cal(now,x);
pushdown(now);
upd(2*now,l,r,x);upd(2*now+1,l,r,x);
pushup(now);
}
node qry(int now,int l,int r){
if(t[now].l>r||t[now].r<l) return node{0,0,1,0,0};
if(l<=t[now].l&&t[now].r<=r) return t[now];
pushdown(now);ll mid=t[now].l+t[now].r>>1;
if(r<=mid) return qry(2*now,l,r);
if(l>mid) return qry(2*now+1,l,r);
node a=qry(2*now,l,r),b=qry(2*now+1,l,r);
node res;res.tag=a.tag&&b.tag&&a.val==b.val;res.val=a.val;
return res;
}
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){
if(a.h!=b.h) return a.h<b.h;
if(a.tp!=b.tp) return a.tp<b.tp;
if(a.tp==1) return a.r-a.l>b.r-b.l;
return a.r-a.l<b.r-b.l;
}
signed MISAKA(){
srand(time(0));n=read();t[0].tag=1;
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) s.insert(p1[++p]);
auto it=s.lower_bound(p2[i]);
if(it==s.begin()){printf("No");return 0;}
it--;ans[(*it).id]=p2[i].id;s.erase(it);
ull val=rd();int id=(*it).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};
b[++len]=p1[id].x;b[++len]=p2[i].x;
}
sort(b+1,b+len+1);len=unique(b+1,b+len+1)-(b+1);
for(int i=1;i<=len;i++) mp[b[i]]=i;
for(int i=1;i<=K;i++) a[i].l=mp[a[i].l],a[i].r=mp[a[i].r];
sort(a+1,a+K+1,_cmp);
build(1,1,len);
int sdf=1/0;
for(int i=1;i<=K;i++){
node t=qry(1,a[i].l,a[i].r-1);
if(!t.tag){printf("No");return 0;}
upd(1,a[i].l,a[i].r-1,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: 14192kb
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: 14008kb
input:
2 1 0 0 1 2 3 3 2
output:
No
result:
ok answer is NO
Test #3:
score: 0
Accepted
time: 2ms
memory: 12084kb
input:
1 1 1 0 0
output:
No
result:
ok answer is NO
Test #4:
score: -100
Wrong Answer
time: 324ms
memory: 56724kb
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