QOJ.ac
QOJ
ID | Submission ID | Problem | Hacker | Owner | Result | Submit time | Judge time |
---|---|---|---|---|---|---|---|
#984 | #640456 | #7038. Carpets Removal | Icedpiggy | Icedpiggy | Failed. | 2024-10-14 12:50:59 | 2024-10-14 12:50:59 |
Details
Extra Test:
Accepted
time: 4826ms
memory: 293568kb
input:
24 3000 1500 1 1 1 1500 2 2 1 1500 3 3 1 1500 4 4 1 1500 5 5 1 1500 6 6 1 1500 7 7 1 1500 8 8 1 1500 9 9 1 1500 10 10 1 1500 11 11 1 1500 12 12 1 1500 13 13 1 1500 14 14 1 1500 15 15 1 1500 16 16 1 1500 17 17 1 1500 18 18 1 1500 19 19 1 1500 20 20 1 1500 21 21 1 1500 22 22 1 1500 23 23 1 1500 24 24 ...
output:
2249999 2249999 2249999 2249999 2249999 2249999 2249999 2249999 2249999 2249999 2249999 2249999 2249999 2249999 2249999 2249999 2249999 2249999 2249999 2249999 2249999 2249999 249999 249999
result:
ok 24 lines
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#640456 | #7038. Carpets Removal | Icedpiggy | AC ✓ | 1239ms | 213652kb | C++14 | 3.0kb | 2024-10-14 12:50:28 | 2024-10-14 12:50:28 |
answer
#include<bits/stdc++.h>
using namespace std;
#define i64 long long
#define i128 __int128
char buf[1<<21],*rp1=buf,*rp2=buf;
#define getchar() (rp1==rp2&&(rp2=(rp1=buf)+fread(buf,1,1<<21,stdin),rp1==rp2)?EOF:*rp1++)
inline i64 rd()
{
i64 num=0;char ch=getchar();bool op=0;
for(;!isdigit(ch);ch=getchar())if(ch=='-')op=1;
for(;isdigit(ch);ch=getchar())num=num*10+(ch-'0');
return op?-num:num;
}
inline void Max(int &x,int v){if(x<v)x=v;}
template<typename T>
inline void operator += (vector<T>&A,const T&v){A.emplace_back(v);}
const int N=3e5+10,M=1505;
#define pii pair<int,int>
#define fi first
#define se second
int n,m,w=0;
pii a[M][M];
int Sum[N];
struct P{int l,r,v;};
vector<P> A[M],B[M];
map<int,int> s[N];
int cnt=0,Ans=0;
inline void upd(pii &res,int x)
{
if(res.fi!=0)
res=pii(-1,-1);
else if(res.se!=0)
res.fi=x;
else
res.se=x;
}
struct Seg
{
#define ls (p<<1)
#define rs (p<<1|1)
#define lson l,mid,p<<1
#define rson mid+1,r,p<<1|1
#define dmid int mid=(l+r)>>1
#define root 1,m,1
int tag[1<<12|3];
bitset<N> t[1<<12|3];
vector<int> s[1<<12|3];
inline void reset(int p)
{
vector<int> st;
while(!s[p].empty())
{
int x=s[p].back();s[p].pop_back();
if(t[p][x])st+=x;
}
s[p].swap(st);
}
inline void ins(int L,int R,int v,int l,int r,int p)
{
if(L<=l&&r<=R){t[p][v]=1,tag[p]++,s[p]+=v;return;}
dmid;if(L<=mid)ins(L,R,v,lson);if(mid<R)ins(L,R,v,rson);
}
inline void del(int L,int R,int v,int l,int r,int p)
{
if(L<=l&&r<=R){t[p][v]=0,tag[p]--;return;}
dmid;if(L<=mid)del(L,R,v,lson);if(mid<R)del(L,R,v,rson);
}
inline void mkRow(int i,pii res,int l,int r,int p)
{
if(res.fi!=-1)
{
if(tag[p]<=2)
{
reset(p);
for(int x:s[p])upd(res,x);
}
else res=pii(-1,-1);
}
if(l==r){a[i][l]=res;return;}
dmid;mkRow(i,res,lson),mkRow(i,res,rson);
}
inline void build(int l,int r,int p)
{
tag[p]=0;vector<int>().swap(s[p]);
if(l==r)return;dmid;build(lson),build(rson);
}
};
Seg t;
inline void work()
{
n=rd(),m=rd(),w=0;cnt=0,Ans=0;
for(int i=0;i<=m+1;i++)vector<P>().swap(A[i]),vector<P>().swap(B[i]);
t.build(root);
for(int i=1;i<=n;i++)
{
map<int,int>().swap(s[i]);
int x0=rd(),x1=rd(),y0=rd(),y1=rd();Sum[i]=0;
A[x0]+=(P){y0,y1,i};B[x1+1]+=(P){y0,y1,i};
}
t.build(root);
for(int i=1;i<=m;i++)
{
for(P p:A[i])t.ins(p.l,p.r,p.v,root);
for(P p:B[i])t.del(p.l,p.r,p.v,root);
t.mkRow(i,pii(0,0),root);
}
for(P p:B[m+1])t.del(p.l,p.r,p.v,root);
for(int i=1;i<=m;i++)
for(int j=1;j<=m;j++)
{
if(a[i][j].fi>a[i][j].se)swap(a[i][j].fi,a[i][j].se);
if(a[i][j].se==0)cnt++;
else if(a[i][j].fi==0)Sum[a[i][j].se]++;
}
for(int i=1;i<=m;i++)
for(int j=1;j<=m;j++)
if(a[i][j].fi>0)
{
int x=a[i][j].fi,y=a[i][j].se;
Max(Ans,Sum[x]+Sum[y]+(++s[x][y]));
}
sort(Sum+1,Sum+n+1);
Max(Ans,Sum[n]+Sum[n-1]);
printf("%d\n",m*m-cnt-Ans);
}
int main()
{
for(int test=rd();test;test--)work();
return 0;
}