oj.uz

Submission #540250

# Submission time Handle Problem Language Result Execution time Memory
540250 2022-03-19T18:11:12 Z dxz05 Wall (IOI14_wall) C++14
100 / 100
 1179 ms 88992 KB 
#include "wall.h"
#include <bits/stdc++.h>
using namespace std;

struct node{
    int mn;
    int mx;
    node(){
        mn = 1e9;
        mx = -1e9;
    }
};

const int N = 2e6 + 3e2;

node t[4 * N];

void chmin(node &var, int val){
    var.mn = min(var.mn, val);
    var.mx = min(var.mx, val);
}

void chmax(node &var, int val){
    var.mn = max(var.mn, val);
    var.mx = max(var.mx, val);
}

void push(int v){
    if (t[v].mn != 1e9){
        chmin(t[v + v], t[v].mn);
        chmin(t[v + v + 1], t[v].mn);
        t[v].mn = 1e9;
    }
    if (t[v].mx != -1e9){
        chmax(t[v + v], t[v].mx);
        chmax(t[v + v + 1], t[v].mx);
        t[v].mx = -1e9;
    }
}

void update(int v, int tl, int tr, int l, int r, int val, char type){
    if (l <= tl && tr <= r){
        if (type == '+'){
            chmax(t[v], val);
        } else {
            chmin(t[v], val);
        }
        return;
    }
    if (tl > r || tr < l) return;
    push(v);
    int tm = (tl + tr) >> 1;

    update(v + v, tl, tm, l, r, val, type);
    update(v + v + 1, tm + 1, tr, l, r, val, type);
}

node get(int v, int tl, int tr, int pos){
    if (tl == tr) return t[v];
    push(v);
    int tm = (tl + tr) >> 1;
    if (pos <= tm) return get(v + v, tl, tm, pos); else
        return get(v + v + 1, tm + 1, tr, pos);
}

void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
    for (int i = 0; i < n; i++){
        update(1, 0, n - 1, i, i, 0, '+');
    }

    for (int i = 0; i < k; i++){
        update(1, 0, n - 1, left[i], right[i], height[i], op[i] == 1 ? '+' : '-');
    }

    for (int i = 0; i < n; i++){
        finalHeight[i] = get(1, 0, n - 1, i).mx;
    }

}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 62932 KB Output is correct
2 Correct 28 ms 62932 KB Output is correct
3 Correct 28 ms 62868 KB Output is correct
4 Correct 35 ms 62996 KB Output is correct
5 Correct 33 ms 63060 KB Output is correct
6 Correct 40 ms 63052 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 62932 KB Output is correct
2 Correct 159 ms 70736 KB Output is correct
3 Correct 192 ms 66416 KB Output is correct
4 Correct 423 ms 71384 KB Output is correct
5 Correct 293 ms 71884 KB Output is correct
6 Correct 277 ms 71808 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 62872 KB Output is correct
2 Correct 30 ms 62972 KB Output is correct
3 Correct 29 ms 62932 KB Output is correct
4 Correct 35 ms 63016 KB Output is correct
5 Correct 35 ms 62980 KB Output is correct
6 Correct 34 ms 63076 KB Output is correct
7 Correct 28 ms 62932 KB Output is correct
8 Correct 155 ms 70684 KB Output is correct
9 Correct 191 ms 66244 KB Output is correct
10 Correct 432 ms 71244 KB Output is correct
11 Correct 288 ms 71788 KB Output is correct
12 Correct 279 ms 71840 KB Output is correct
13 Correct 28 ms 62872 KB Output is correct
14 Correct 155 ms 70716 KB Output is correct
15 Correct 61 ms 63544 KB Output is correct
16 Correct 560 ms 71540 KB Output is correct
17 Correct 301 ms 71532 KB Output is correct
18 Correct 285 ms 71664 KB Output is correct

Subtask #4
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 62796 KB Output is correct
2 Correct 31 ms 62932 KB Output is correct
3 Correct 29 ms 62864 KB Output is correct
4 Correct 35 ms 63056 KB Output is correct
5 Correct 34 ms 63004 KB Output is correct
6 Correct 34 ms 63004 KB Output is correct
7 Correct 28 ms 62900 KB Output is correct
8 Correct 154 ms 70728 KB Output is correct
9 Correct 190 ms 66296 KB Output is correct
10 Correct 429 ms 71448 KB Output is correct
11 Correct 289 ms 71792 KB Output is correct
12 Correct 290 ms 71872 KB Output is correct
13 Correct 30 ms 62844 KB Output is correct
14 Correct 158 ms 70700 KB Output is correct
15 Correct 59 ms 63492 KB Output is correct
16 Correct 517 ms 71600 KB Output is correct
17 Correct 289 ms 71500 KB Output is correct
18 Correct 288 ms 71544 KB Output is correct
19 Correct 1179 ms 88992 KB Output is correct
20 Correct 1162 ms 86452 KB Output is correct
21 Correct 1157 ms 88904 KB Output is correct
22 Correct 1164 ms 86516 KB Output is correct
23 Correct 1156 ms 86360 KB Output is correct
24 Correct 1155 ms 86412 KB Output is correct
25 Correct 1176 ms 86336 KB Output is correct
26 Correct 1177 ms 88816 KB Output is correct
27 Correct 1161 ms 88816 KB Output is correct
28 Correct 1165 ms 86424 KB Output is correct
29 Correct 1174 ms 86368 KB Output is correct
30 Correct 1157 ms 86412 KB Output is correct