oj.uz

Submission #1062789

# Submission time Handle Problem Language Result Execution time Memory
1062789 2024-08-17T10:49:35 Z YassirSalama Wall (IOI14_wall) C++17
32 / 100
 3000 ms 37968 KB 
#include "wall.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int maxn = 2e6 + 100;
template<typename T>
void dbg(const T& t){
  cout<<t<<endl;
  return;
}
template<typename T,typename... Args>
void dbg(const T& t,const Args&... args){
  cout<<t<<" , ";
  dbg(args...);
}
#define dbg(...) cout<<"("<<#__VA_ARGS__<<") : "<<endl;dbg(__VA_ARGS__);
struct Node
{
  ll min;
  ll max;
  ll smin;
  ll smax;
  ll cntmin;
  ll cntmax;
  ll lzmin=-1,lzmax=-1;
  bool lazy=false;
  Node* left,*right;
  Node() : left(nullptr),right(nullptr){}
};
void pull(Node* node){
  //for min
  node->min=min(node->left->min,node->right->min);
  if(node->min==node->left->min){
    if(node->min==node->right->min){
      node->cntmin=node->left->cntmin+node->right->cntmin;
      node->smin=min(node->left->smin,node->right->min);
    }else {
      node->smin=min({node->left->smin,node->right->min});
      node->cntmin=node->left->cntmin;
    }
  }else{
    node->smin=min({node->right->smin,node->left->min});
    node->cntmin=node->right->cntmin;
  }

  //for max
  node->max=max(node->left->max,node->right->max);
  if(node->max==node->left->max){
    if(node->max==node->right->max){
      node->cntmax=node->left->cntmax+node->right->cntmax;
      node->smax=max(node->left->smax,node->right->max);
    }else {
      node->smax=max({node->left->smax,node->right->max});
      node->cntmax=node->left->cntmax;
    }
  }else{
    node->smax=max({node->right->smax,node->left->max});
    node->cntmax=node->right->cntmax;
  }




}
void build(Node* node,int l,int r){
  if(l==r){
    node->min=node->max=0;
    node->cntmin=node->cntmax=1;
    node->smin=1e18;
    node->smax=-1e18;
    return;
  }
  int mid=(l+r)/2;
  node->left=new Node();
  node->right=new Node();
  build(node->left,l,mid);
  build(node->right,mid+1,r);
  pull(node);
}
void pmin(Node* node,int l,int r){
  if(node->smax<=node->lzmin&&node->lzmin<node->max){
    node->max=node->lzmin;
    node->min=min(node->min,node->lzmin);
    if(l==r) return;
    node->left->lazy=1;
    node->right->lazy=1;
    node->left->lzmin=node->lzmin;
    node->right->lzmin=node->lzmin;
  }
  return;
}
void pmax(Node* node,int l,int r){
  if(node->smin>=node->lzmax&&node->lzmax>node->min){
    node->min=node->lzmax;
    node->max=max(node->max,node->lzmax);
    if(l==r) return;
    node->left->lazy=1;
    node->right->lazy=1;
    node->left->lzmax=node->lzmax;
    node->right->lzmax=node->lzmax;
  }
  return;
}
void push(Node* node,int l,int r){
  if(node->lazy==false) return;
  if(node->lzmin!=-1){
    pmin(node,l,r);
  }
  if(node->lzmax!=-1){
    pmax(node,l,r);
  }
  node->lazy=false;
  node->lzmin=node->lzmax=-1;

}
void p(Node* node,int l,int r){
  push(node,l,r);
  if(l==r) return;
  push(node->left,l,(l+r)/2);
  push(node->right,(l+r)/2+1,r);
  pull(node);
}
void setmin(Node* node,int l,int r,int ql,int qr,int x){
  p(node,l,r);
  if(l>qr||r<ql) return;
  if(node->max<=x) return;
  if(ql<=l&&r<=qr&&node->smax<=x&&x<node->max){
    //put tag
    node->lazy=1;
    node->lzmin=x;
    p(node,l,r);
    return;
  }
  int mid=(l+r)/2;
  setmin(node->left,l,mid,ql,qr,x);
  setmin(node->right,mid+1,r,ql,qr,x);
  p(node,l,r);
}
void setmax(Node* node,int l,int r,int ql,int qr,int x){
  p(node,l,r);
  if(l>qr||r<ql) return;
  if(node->min>=x) return;
  if(ql<=l&&r<=qr&&node->smin>=x&&x>node->min){
    //put tag
    node->lazy=1;
    node->lzmax=x;
    p(node,l,r);
    return;
  }
  int mid=(l+r)/2;
  setmax(node->left,l,mid,ql,qr,x);
  setmax(node->right,mid+1,r,ql,qr,x);
  p(node,l,r);  
}
int query(Node* node,int l,int r,int ql){
  push(node,l,r);
  if(l==r) return node->min;
  int mid = (l+r)/2;
  if(ql<=mid) return query(node->left,l,mid,ql);
  else return query(node->right,mid+1,r,ql);
}
void buildWall(int n, int k, int op[], int left[], int right[], int height[], int ans[])
{
  Node* root=new Node();
  build(root,0,n-1);
  for(int i=0;i<k;i++){
    int t=op[i];
    int l=left[i];
    int r=right[i];
    int x=height[i];
    if(t==1){
      setmax(root,0,n-1,l,r,x);
    }else{
      setmin(root,0,n-1,l,r,x);
    }
  }
  for(int i=0;i<n;i++){
    ans[i]=query(root,0,n-1,i);
  }
  return;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 3 ms 348 KB Output is correct
4 Correct 211 ms 2492 KB Output is correct
5 Correct 343 ms 2504 KB Output is correct
6 Correct 334 ms 2392 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 82 ms 13064 KB Output is correct
3 Correct 63 ms 10324 KB Output is correct
4 Correct 181 ms 35360 KB Output is correct
5 Correct 159 ms 36268 KB Output is correct
6 Correct 185 ms 35012 KB Output is correct

Subtask #3
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 3 ms 348 KB Output is correct
4 Correct 189 ms 2508 KB Output is correct
5 Correct 331 ms 2392 KB Output is correct
6 Correct 328 ms 2488 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 80 ms 14036 KB Output is correct
9 Correct 65 ms 10832 KB Output is correct
10 Correct 198 ms 36996 KB Output is correct
11 Correct 145 ms 37968 KB Output is correct
12 Correct 190 ms 36568 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 88 ms 13872 KB Output is correct
15 Correct 2036 ms 4712 KB Output is correct
16 Execution timed out 3055 ms 36472 KB Time limit exceeded
17 Halted 0 ms 0 KB -

Subtask #4
0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 3 ms 548 KB Output is correct
4 Correct 188 ms 2496 KB Output is correct
5 Correct 347 ms 2392 KB Output is correct
6 Correct 338 ms 2496 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 80 ms 14036 KB Output is correct
9 Correct 64 ms 10900 KB Output is correct
10 Correct 195 ms 37032 KB Output is correct
11 Correct 148 ms 37936 KB Output is correct
12 Correct 179 ms 36576 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 98 ms 13988 KB Output is correct
15 Correct 2052 ms 4696 KB Output is correct
16 Execution timed out 3073 ms 36436 KB Time limit exceeded
17 Halted 0 ms 0 KB -