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Submission #827444

# Submission time Handle Problem Language Result Execution time Memory
827444 2023-08-16T13:20:39 Z bachhoangxuan Wall (IOI14_wall) C++17
100 / 100
 505 ms 77388 KB 
#include "wall.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn=2e6+5;

int Max[4*maxn],Min[4*maxn],res[maxn];
void pull(int id){
    Max[id]=max(Max[id<<1],Max[id<<1|1]);
    Min[id]=min(Min[id<<1],Min[id<<1|1]);
}
void getnew(int id,int val){
    Max[id]=Min[id]=val;
}
void pushdown(int id){
    if(Min[id]!=Max[id]) return;
    getnew(id<<1,Min[id]);
    getnew(id<<1|1,Min[id]);
}
void update_Max(int l,int r,int id,int tl,int tr,int x){
    if(x<=Min[id] || tr<l || r<tl) return;
    if(tl<=l && r<=tr && x>=Max[id]){
        getnew(id,x);
        return;
    }
    pushdown(id);
    int mid=(l+r)>>1;
    update_Max(l,mid,id<<1,tl,tr,x);update_Max(mid+1,r,id<<1|1,tl,tr,x);
    pull(id);
}
void update_Min(int l,int r,int id,int tl,int tr,int x){
    if(x>=Max[id] || tr<l || r<tl) return;
    if(tl<=l && r<=tr && x<=Min[id]){
        getnew(id,x);
        return;
    }
    pushdown(id);
    int mid=(l+r)>>1;
    update_Min(l,mid,id<<1,tl,tr,x);update_Min(mid+1,r,id<<1|1,tl,tr,x);
    pull(id);
}
void build(int l,int r,int id){
    if(l==r){
        res[l]=Min[id];
        return;
    }
    pushdown(id);
    int mid=(l+r)>>1;
    build(l,mid,id<<1);build(mid+1,r,id<<1|1);
}

void buildWall(int n, int k, int op[], int left[], int right[],
               int height[], int finalHeight[]){
    for(int i=0;i<k;i++){
        if(op[i]==1) update_Max(0,n-1,1,left[i],right[i],height[i]);
        else update_Min(0,n-1,1,left[i],right[i],height[i]);
    }
    build(0,n-1,1);
    for(int i=0;i<n;i++) finalHeight[i]=res[i];
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 4 ms 824 KB Output is correct
5 Correct 4 ms 828 KB Output is correct
6 Correct 4 ms 852 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 117 ms 13856 KB Output is correct
3 Correct 57 ms 8012 KB Output is correct
4 Correct 140 ms 20812 KB Output is correct
5 Correct 148 ms 21824 KB Output is correct
6 Correct 167 ms 20324 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 4 ms 852 KB Output is correct
5 Correct 4 ms 832 KB Output is correct
6 Correct 4 ms 852 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 112 ms 13924 KB Output is correct
9 Correct 57 ms 8028 KB Output is correct
10 Correct 143 ms 20760 KB Output is correct
11 Correct 144 ms 21760 KB Output is correct
12 Correct 160 ms 20228 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 116 ms 13956 KB Output is correct
15 Correct 19 ms 2032 KB Output is correct
16 Correct 320 ms 21084 KB Output is correct
17 Correct 232 ms 20400 KB Output is correct
18 Correct 220 ms 20408 KB Output is correct

Subtask #4
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 4 ms 852 KB Output is correct
5 Correct 4 ms 824 KB Output is correct
6 Correct 4 ms 852 KB Output is correct
7 Correct 0 ms 308 KB Output is correct
8 Correct 112 ms 13976 KB Output is correct
9 Correct 56 ms 8028 KB Output is correct
10 Correct 144 ms 20812 KB Output is correct
11 Correct 145 ms 21752 KB Output is correct
12 Correct 163 ms 20284 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 115 ms 13860 KB Output is correct
15 Correct 18 ms 2020 KB Output is correct
16 Correct 317 ms 20996 KB Output is correct
17 Correct 222 ms 20472 KB Output is correct
18 Correct 226 ms 20376 KB Output is correct
19 Correct 501 ms 77388 KB Output is correct
20 Correct 494 ms 74812 KB Output is correct
21 Correct 484 ms 77272 KB Output is correct
22 Correct 494 ms 74832 KB Output is correct
23 Correct 494 ms 74860 KB Output is correct
24 Correct 479 ms 74840 KB Output is correct
25 Correct 499 ms 74824 KB Output is correct
26 Correct 489 ms 77388 KB Output is correct
27 Correct 497 ms 77276 KB Output is correct
28 Correct 505 ms 74768 KB Output is correct
29 Correct 487 ms 74836 KB Output is correct
30 Correct 480 ms 74824 KB Output is correct