Submission #805404

# Submission time Handle Problem Language Result Execution time Memory
805404 2023-08-03T16:24:36 Z HaroldVemeno Wall (IOI14_wall) C++17
100 / 100
511 ms 69516 KB
#include "wall.h"
#include <bits/stdc++.h>

#ifdef GUDEB
    #define D(x) cerr << #x << ": " << (x) << '\n';
    #define ifdeb if(true)
#else
    #define D(x) ;
    #define ifdeb if(false)
#endif

#define all(x) begin(x), end(x)

using namespace std;
using ull = unsigned long long;
using ll = long long;
// #define int ll;

int n;
int s;
int lbs[8000000];
int ubs[8000000];

void push(int x) {
    if(x >= s) return;
    for(int c : {2*x, 2*x+1}) {
        lbs[c] = max(lbs[c], lbs[x]);
        lbs[c] = min(lbs[c], ubs[x]);
        ubs[c] = min(ubs[c], ubs[x]);
        ubs[c] = max(ubs[c], lbs[x]);
    }
    ubs[x] = 100000;
    lbs[x] = 0;
}

void walk(int l, int r, int op, int h, int u, int lu, int ru) {
    D(l)
    D(r)
    D(u)
    D(lu)
    D(ru)
    if(r <= lu || ru <= l) return;
    if(l <= lu && ru <= r) {
        if(op == 1) {
            lbs[u] = max(lbs[u], h);
            ubs[u] = max(ubs[u], lbs[u]);
        } else {
            ubs[u] = min(ubs[u], h);
            lbs[u] = min(lbs[u], ubs[u]);
        }
        return;
    }
    push(u);
    int mu = (lu+ru)/2;
    walk(l, r, op, h, 2*u  , lu, mu);
    walk(l, r, op, h, 2*u+1, mu, ru);
}

void buildWall(int N, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
    n = N;
    s = 1;
    while(s < n) s *= 2;
    for(int i = s-1; i > 0; --i) {
        ubs[i] = 100000;
    }
    for(int i = 0; i < k; ++i) {
        walk(left[i], right[i]+1, op[i], height[i], 1, 0, s);
    }
    for(int i = 1; i < s; ++i) {
        push(i);
    }
    for(int i = 0; i < n; ++i) {
        finalHeight[i] = lbs[s+i];
    }

}

# Verdict Execution time Memory Grader output
1 Correct 0 ms 308 KB Output is correct
2 Correct 2 ms 448 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 4 ms 724 KB Output is correct
5 Correct 4 ms 724 KB Output is correct
6 Correct 4 ms 724 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 104 ms 8324 KB Output is correct
3 Correct 135 ms 4376 KB Output is correct
4 Correct 344 ms 20376 KB Output is correct
5 Correct 212 ms 21432 KB Output is correct
6 Correct 212 ms 19820 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 448 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 4 ms 724 KB Output is correct
5 Correct 6 ms 764 KB Output is correct
6 Correct 4 ms 724 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 104 ms 8372 KB Output is correct
9 Correct 133 ms 4432 KB Output is correct
10 Correct 360 ms 20368 KB Output is correct
11 Correct 212 ms 21396 KB Output is correct
12 Correct 207 ms 19828 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 107 ms 13956 KB Output is correct
15 Correct 21 ms 1892 KB Output is correct
16 Correct 347 ms 20620 KB Output is correct
17 Correct 207 ms 20052 KB Output is correct
18 Correct 208 ms 20048 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 444 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 4 ms 724 KB Output is correct
5 Correct 4 ms 832 KB Output is correct
6 Correct 4 ms 724 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 102 ms 8372 KB Output is correct
9 Correct 120 ms 4428 KB Output is correct
10 Correct 343 ms 20388 KB Output is correct
11 Correct 227 ms 21388 KB Output is correct
12 Correct 216 ms 19800 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 104 ms 13924 KB Output is correct
15 Correct 20 ms 1984 KB Output is correct
16 Correct 348 ms 20628 KB Output is correct
17 Correct 217 ms 20140 KB Output is correct
18 Correct 212 ms 19952 KB Output is correct
19 Correct 484 ms 69468 KB Output is correct
20 Correct 478 ms 67020 KB Output is correct
21 Correct 502 ms 69516 KB Output is correct
22 Correct 491 ms 67000 KB Output is correct
23 Correct 480 ms 67056 KB Output is correct
24 Correct 511 ms 66956 KB Output is correct
25 Correct 509 ms 66908 KB Output is correct
26 Correct 511 ms 69516 KB Output is correct
27 Correct 495 ms 69492 KB Output is correct
28 Correct 481 ms 66960 KB Output is correct
29 Correct 496 ms 67152 KB Output is correct
30 Correct 477 ms 67052 KB Output is correct