oj.uz

답안 #1113637

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1113637 2024-11-16T21:48:39 Z I_FloPPed21 벽 (IOI14_wall) C++14
0 / 100
 1 ms 336 KB 
#include <iostream>
#include <wall.h>
using namespace std;
const int N=2e6+5.;
struct zid
{
    int big,small;
} seg[4*N],lazy[4*N];

bool to_propag[4*N];
void propaga(int nod)
{
    if(to_propag[nod]==false)
        return;
    lazy[nod*2].small=lazy[nod].small;
    lazy[nod*2+1].small=lazy[nod].small;
    lazy[nod*2].big=lazy[nod].big;
    lazy[nod*2+1].big=lazy[nod].big;
    seg[nod*2].big=lazy[nod].big;
    seg[nod*2+1].big=lazy[nod].big;
    seg[nod*2].small=lazy[nod].small;
    seg[nod*2+1].small=lazy[nod].small;
    to_propag[nod]=false;
    to_propag[nod*2]=true;
    to_propag[nod*2+1]=true;
}
void update(int nod,int st,int dr,int l,int r,int val,int tip)
{
    if(l<=st&&dr<=r)
    {
        to_propag[nod]=true;
        if(tip==1)
        {
            seg[nod].big=max(val,seg[nod].big);
            seg[nod].small=max(seg[nod].small,seg[nod].big);
            lazy[nod].big=max(seg[nod].big,lazy[nod].big);
            lazy[nod].small=max(seg[nod].big,lazy[nod].big);
        }
        else
        {
            seg[nod].small=min(val,seg[nod].small);
            seg[nod].big=min(seg[nod].small,seg[nod].big);
            lazy[nod].small=min(seg[nod].small,lazy[nod].small);
            lazy[nod].big=min(lazy[nod].big,lazy[nod].small);
        }
    }
    else if(l>dr||st>r)
        return;
    else
    {
        propaga(nod);
        int mij=(st+dr)/2;
        update(nod*2,st,mij,l,r,val,tip);
        update(nod*2+1,mij+1,dr,l,r,val,tip);
    }
}
int query(int nod,int st,int dr,int poz)
{
    if(st==dr)
    {
        return seg[nod].big;
    }
    else
    {
        propaga(nod);
        int mij=(st+dr)/2;
        if(poz<=mij)
            return query(nod*2,st,mij,poz);
        else
            return query(nod*2+1,mij+1,dr,poz);
    }
}
void buildWall(int n,int k,int op[],int left[],int right[],int height[],int finalheight[])
{
    for(int i=1; i<=k; i++)
    {
        int l=left[i-1];
        int r=right[i-1];
        int tip=op[i];
        l++,r++;
        int val=height[i-1];
        update(1,1,n,l,r,val,tip);
    }

    for(int i=1; i<=n; i++)
        finalheight[i-1]=query(1,1,n,i);
}

Subtask #1
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 39.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -