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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
#349639#4236. Triangular LogsLaStataleBlueWA 4ms11324kbC++234.5kb2024-03-10 03:28:582024-03-10 03:28:59

Judging History

你现在查看的是最新测评结果

  • [2024-03-10 03:28:59]
  • 评测
  • 测评结果:WA
  • 用时:4ms
  • 内存:11324kb
  • [2024-03-10 03:28:58]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;

const int MAXN = 100'005, NUM = 44, inf = 1e9+7;
array<int,NUM> inf2;

array<int,NUM> merge(array<int,NUM> a,array<int,NUM> b){
    array<int,NUM> res;
    int inda=0,indb=0;
    for(int i=0;i<NUM;i++){
        if(inda==NUM)res[i]=b[indb++];
        else if(indb==NUM)res[i]=a[inda++];
        else if(a[inda]<b[indb]){
            res[i]=a[inda++];
        }else{
            res[i]=b[indb++];
        }
    }
    return res;
}

#define _mid (_l+_r)/2
struct SegmentTree2{
    array<int,NUM> maxi;
    SegmentTree2 *left,*right;
    
    static SegmentTree2* newSeg();
    
    void checkleft(){
        if(left==nullptr)left=newSeg();
    }
    
    void checkright(){
        if(right==nullptr)right=newSeg();
    }
    
    void update(int pos,int val,int _l,int _r){
        if(pos<_l || pos>_r)return;
        
        for(int i=0;i<NUM;i++){
            if(maxi[i]>val){
                for(int j=i+1;j<NUM;j++){
                    maxi[j]=maxi[j-1];
                }
                maxi[i]=val;
                break;
            }
        }
        
        if(_l!=_r){
            if(pos<=_mid){
                checkleft();
                left->update(pos,val,_l,_mid);
            }
            
            if(pos>_mid){
                checkright();
                right->update(pos,val,_mid+1,_r);
            }
        }
    }
    
    array<int,NUM> query(int l,int r,int _l,int _r){
        if(r<_l || l>_r || l>r)return inf2;
        if(_l>=l && _r<=r)return maxi;
        
        array<int,NUM> res = inf2;
        
        if(left!=nullptr){
            res = merge(res,left->query(l,r,_l,_mid));
        }
        if(right!=nullptr){
            res = merge(res,right->query(l,r,_l,_mid));
        }
        return res;
    }
};
SegmentTree2 vett2[11'000'000];
int cc2=0;

SegmentTree2* SegmentTree2::newSeg(){
    if(cc2==11'000'000)exit(0);
    int ind = cc2++;
    vett2[ind].maxi=inf2;
    return &vett2[ind];
}

struct SegmentTree{
    SegmentTree2 *ds;
    SegmentTree *left,*right;
    
    static SegmentTree* newSeg(int _l,int _r);
    
    void update(int x,int y,int val,int _l,int _r){
        if(_r<x || _l>x)return;
        
        ds->update(y,val,0,MAXN);
        
        if(_l!=_r){
            left->update(x,y,val,_l,_mid);
            right->update(x,y,val,_mid+1,_r);
        }
    }
    
    array<int,NUM> query(int x1,int x2,int y1,int y2,int _l,int _r){
        if(x1>_r || x2<_l || x1>x2)return inf2;
        if(_l>=x1 && _r<=x2)return ds->query(y1,y2,0,MAXN);
        
        return merge(left->query(x1,x2,y1,y2,_l,_mid),right->query(x1,x2,y1,y2,_mid+1,_r));
    }
};


SegmentTree vett[MAXN*2+10];
int cc=0;

SegmentTree* SegmentTree::newSeg(int _l,int _r){
    if(cc==MAXN*2+10)while(true);//exit(0);
    int ind = cc++;
    
    vett[ind].ds = SegmentTree2::newSeg();
    if(_l!=_r){
        vett[ind].left=newSeg(_l,_mid);
        vett[ind].right=newSeg(_mid+1,_r);
    }
    
    return &vett[ind];
}

void solve([[maybe_unused]] int t){
    int n,q;
    cin>>n>>q;
    
    vector<int> x(n),y(n),h(n);
    map<int,int> tmpx,tmpy;
    
    for(int i=0;i<n;i++){
        cin>>x[i]>>y[i]>>h[i];
        tmpx[x[i]]=0;
        tmpy[y[i]]=0;
    }
    tmpx[inf]=tmpy[inf]=0;
    
    int contx=0,conty=0;
    for(auto &[i,j] : tmpx){
        j=contx++;
    }
    for(auto &[i,j] : tmpy){
        j=conty++;
    }
    
    SegmentTree *ds = SegmentTree::newSeg(0,contx);
    
    for(int i=0;i<n;i++){
        ds->update(tmpx[x[i]],tmpy[y[i]],h[i],0,contx);
    }
    
    for(int i=0;i<q;i++){
        int x1,y1,x2,y2;
        cin>>x1>>y1>>x2>>y2;
        
        x1 = tmpx.lower_bound(x1)->second;
        y1 = tmpy.lower_bound(y1)->second;
        x2 = tmpx.lower_bound(x2)->second;
        y2 = tmpy.lower_bound(y2)->second;
        
        array<int,NUM> ans = ds->query(x1,x2,y1,y2,0,contx);
        
        //for(int i=0;i<10;i++){
        //    cout<<ans[i]<<" ";
        //}
        //cout<<"ecco\n";
        
        bool ok = false;
        for(int j=2;j<NUM;j++){
            if(ans[j]==inf)continue;
            if(ans[j]<ans[j-1]+ans[j-2])ok=true;
        }
        
        cout<<ok<<"\n";
    }
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    
    for(int i=0;i<NUM;i++)inf2[i]=inf;
    
    int t=1;
    //cin>>t;
    for(int i=1;i<=t;i++)solve(i);
    
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 3704kb

input:

9 5
1 3 3
2 3 1
3 3 4
1 2 1
2 2 5
3 2 9
1 1 2
2 1 6
3 1 5
1 1 1 2
1 1 2 2
1 1 1 3
1 2 3 2
1 1 3 3

output:

0
1
0
0
1

result:

ok 5 lines

Test #2:

score: -100
Wrong Answer
time: 4ms
memory: 11324kb

input:

481 1
8 6788 8975
24 6552 2668
26 7948 4730
40 531 9805
110 1914 1916
164 7073 3371
165 6293 7756
170 9946 2003
179 9654 1700
215 6447 2229
221 3149 3030
242 1999 6843
242 5764 3163
249 3716 8634
250 6801 9317
260 2741 4273
282 5436 4836
284 3951 6483
288 4812 76
375 9004 5492
380 5627 5929
391 6385...

output:

0

result:

wrong answer 1st lines differ - expected: '1', found: '0'