oj.uz

답안 #306782

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
306782 2020-09-26T09:25:50 Z juggernaut 벽 (IOI14_wall) C++14
0 / 100
 192 ms 9592 KB 
#include"wall.h"
#include<bits/stdc++.h>
using namespace std;
int flag[8000000][2];
void upd(int v,int mn,int mx){
    flag[v][0]=min(max(flag[v][0],mn),mx);
	flag[v][1]=min(max(flag[v][1],mn),mx);
}
void push(int v,int l,int r){
    if(l!=r){
        upd(v<<1,flag[v][0],flag[v][1]);
        upd((v<<1)+1,flag[v][0],flag[v][1]);
    }
    flag[v][0]=0;
    flag[v][1]=2e9;
}
void update(int v,int l,int r,int ql,int qr,int mn,int mx){
    if(ql<=l&&r<=qr){
        upd(v,mn,mx);
        return;
    }
    if(r<ql||qr<l)return;
    push(v,l,r);
    int mid=(l+r)>>1;
    update(v<<1,l,mid,ql,qr,mn,mx);
    update((v<<1)+1,mid+1,r,ql,qr,mn,mx);
}
void build(int v,int l,int r,int* res){
    if(l==r){
        res[l]=flag[v][0];
        return;
    }
    int mid=(l+r)>>1;
    build(v<<1,l,mid,res);
    build((v<<1)+1,mid+1,r,res);
}
void buildWall(int n,int k,int* type,int* l,int* r,int* h,int* res){
    for(int i=0;i<k;i++)update(1,0,n-1,l[i],r[i],type[i]^2?h[i]:0,type[i]^1?h[i]:2e9);
    build(1,0,n-1,res);
}

Subtask #1
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 2 ms 512 KB Output is correct
3 Incorrect 2 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 166 ms 9592 KB Output is correct
3 Incorrect 192 ms 8056 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 2 ms 512 KB Output is correct
3 Incorrect 2 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 39.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 3 ms 512 KB Output is correct
3 Incorrect 2 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -