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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#829065 | #9776. Best Friend, Worst Enemy | Crysfly | WA | 0ms | 13804kb | C++14 | 3.2kb | 2024-12-24 01:13:50 | 2024-12-24 01:13:51 |
Judging History
answer
// what is matter? never mind.
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
//#pragma GCC target("sse,sse2,sse3,sse4,popcnt,abm,mmx,avx,avx2")
#include<bits/stdc++.h>
#define For(i,a,b) for(int i=(a);i<=(b);++i)
#define Rep(i,a,b) for(int i=(a);i>=(b);--i)
#define ll long long
//#define ull unsigned long long
//#define int long long
#define SZ(x) ((int)((x).size()))
#define ALL(x) (x).begin(),(x).end()
using namespace std;
inline int read()
{
char c=getchar();int x=0;bool f=0;
for(;!isdigit(c);c=getchar())f^=!(c^45);
for(;isdigit(c);c=getchar())x=(x<<1)+(x<<3)+(c^48);
return f?-x:x;
}
#define fi first
#define se second
#define pb push_back
#define mkp make_pair
typedef pair<int,int>pii;
typedef vector<int>vi;
#define maxn 400005
#define inf 0x3f3f3f3f
int n,x[maxn],y[maxn];
int mxx[23],mx;
bool vis[maxn];
int nn;
int R;
int rx,ry;
int tx[maxn],ty[maxn],tim[maxn];
map<pii,int>mp;
void add(int u,bool fl=0){
int xx=x[u]/R,yy=y[u]/R;
if(mp.count(mkp(xx,yy))){
int u=mp[mkp(xx,yy)];
if(u!=-1) tim[u]=min(tim[u],nn);
mp[mkp(xx,yy)]=-1;
}else{
mp[mkp(xx,yy)]=u;
if(!fl) vis[u]=1,tim[u]=n;
}
}
void rebuild(int qwq){
R=max(qwq,1);
mp.clear();
For(i,1,nn) add(i,1);
//for(auto [x,y]:mp) if(y!=-1) vis[y]=1;
}
int getmx(int x,int y){
int mx=0;
For(s,0,3){
int sum=((s&1)?(-x):(x))+((s&2)?(-y):y);
mx=max(mx,sum+mxx[s^3]);
}
return mx;
}
int d1[maxn],d2[maxn],res[maxn];
int mxs[maxn],mns[maxn];
int nxt[maxn];
void solve(int u){
//cout<<"solve "<<u<<"\n";
int mn=inf,mx=0;
int n=tim[u];
For(i,1,n){
if(i!=u){
mx=max(mx,abs(x[i]-x[u])+abs(y[i]-y[u]));
mn=min(mn,max(abs(x[i]-x[u]),abs(y[i]-y[u])));
}
mxs[i]=mx;
mns[i]=mn;
}
nxt[n]=n+1;
Rep(i,n-1,1){
nxt[i]=nxt[i+1];
if(mns[i+1]!=mns[i] || mxs[i+1]!=mxs[i]) nxt[i]=i+1;
}
For(i,1,n){
if(i!=u){
int d1=abs(x[i]-x[u])+abs(y[i]-y[u]);
int d2=max(abs(x[i]-x[u]),abs(y[i]-y[u]));
int t=max(i,u);
if(d1==mxs[t] && d2==mns[t]) {
int t2=nxt[t];
res[t]++;
res[t2]--;
}
}
}
}
void work()
{
cin>>n;
For(i,1,n)cin>>x[i]>>y[i];
memset(mxx,-63,sizeof mxx); vis[1]=vis[2]=1;
For(i,1,n){
nn=i;
int lstmx=mx;
For(s,0,3){
int sum=((s&1)?(-x[i]):(x[i]))+((s&2)?(-y[i]):y[i]);
mx=max(mx,sum+mxx[s^3]);
}
For(s,0,3){
int sum=((s&1)?(-x[i]):(x[i]))+((s&2)?(-y[i]):y[i]);
mxx[s]=max(mxx[s],sum);
}
if(i==1) continue;
int R1=max(mx/4-1,1);
if(i==2 || R1>R*1.2){
nn=i-1;rebuild(R1);
nn=i;add(i);
}else{
nn=i;add(i);
}
}
For(i,1,n) if(vis[i]) {
solve(i);
}
For(i,1,n){
res[i]+=res[i-1];
cout<<res[i]<<"\n";
}
}
signed main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int T=1;
while(T--)work();
return 0;
}
/*
*/
詳細信息
Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 13804kb
input:
2 1 5 1 10
output:
0 1
result:
wrong answer 2nd numbers differ - expected: '2', found: '1'