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Submission #311954

# Submission time Handle Problem Language Result Execution time Memory
311954 2020-10-12T03:54:39 Z hhoangcpascal Wall (IOI14_wall) C++14
100 / 100
 801 ms 77680 KB 
/// hhoangcpascal

#include <cstdio>
#include <iostream>
#include <algorithm>
#define file_name "WALL"

using namespace std;

struct node {
    int mmin, mmax;
} Seg[8000006];

void update(int id, int val, int type) {
    if (type == 2) {
        Seg[id].mmax = min(Seg[id].mmax, val);
        Seg[id].mmin = min(Seg[id].mmin, val);
    } else {
        Seg[id].mmax = max(Seg[id].mmax, val);
        Seg[id].mmin = max(Seg[id].mmin, val);
    }
}

void down(int id) {
    Seg[id<<1].mmax = max(min(Seg[id<<1].mmax, Seg[id].mmax), Seg[id].mmin);
    Seg[id<<1].mmin = min(max(Seg[id<<1].mmin, Seg[id].mmin), Seg[id].mmax);

    Seg[id<<1|1].mmax = max(min(Seg[id<<1|1].mmax, Seg[id].mmax), Seg[id].mmin);
    Seg[id<<1|1].mmin = min(max(Seg[id<<1|1].mmin, Seg[id].mmin), Seg[id].mmax);

    Seg[id].mmax = 1e9, Seg[id].mmin = 0;
}

void update(int id, int l, int r, int u, int v, int val, int type) {
    if (l > v || r < u) return;
    if (u <= l && r <= v) {
        update(id, val, type);
        return;
    }

    int mid = (l + r) >> 1;
    down(id);

    update(id<<1, l, mid, u, v, val, type);
    update(id<<1|1, mid+1, r, u, v, val, type);
}

int ans[2000006];

void cal(int id, int l, int r) {
    if (l > r) return;
    if (l == r) {
        ans[l] = Seg[id].mmin;
        return;
    }

    int mid = (l + r) >> 1;
    down(id);

    cal(id<<1, l, mid);
    cal(id<<1|1, mid+1, r);
}

void buildWall(int n, int k, int op[],  int Left[], int Right[], int height[], int finalHeight[]) {
    for(int i=0; i<k; ++i) 
        update(1, 1, n, Left[i]+1, Right[i]+1, height[i], op[i]);

    cal(1, 1, n);
    for(int i=0; i<n; ++i) finalHeight[i] = ans[i+1];
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 2 ms 512 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 6 ms 896 KB Output is correct
5 Correct 6 ms 896 KB Output is correct
6 Correct 6 ms 896 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 174 ms 13944 KB Output is correct
3 Correct 189 ms 8056 KB Output is correct
4 Correct 527 ms 20856 KB Output is correct
5 Correct 345 ms 21880 KB Output is correct
6 Correct 327 ms 20280 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 2 ms 512 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 6 ms 928 KB Output is correct
5 Correct 6 ms 896 KB Output is correct
6 Correct 6 ms 896 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 174 ms 13944 KB Output is correct
9 Correct 189 ms 8060 KB Output is correct
10 Correct 530 ms 20856 KB Output is correct
11 Correct 344 ms 21872 KB Output is correct
12 Correct 326 ms 20344 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 178 ms 13944 KB Output is correct
15 Correct 31 ms 2176 KB Output is correct
16 Correct 518 ms 21112 KB Output is correct
17 Correct 329 ms 20600 KB Output is correct
18 Correct 332 ms 20472 KB Output is correct

Subtask #4
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 3 ms 544 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 6 ms 896 KB Output is correct
5 Correct 6 ms 896 KB Output is correct
6 Correct 6 ms 896 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 174 ms 14040 KB Output is correct
9 Correct 183 ms 8116 KB Output is correct
10 Correct 524 ms 20856 KB Output is correct
11 Correct 336 ms 21880 KB Output is correct
12 Correct 323 ms 20344 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 179 ms 14020 KB Output is correct
15 Correct 30 ms 2168 KB Output is correct
16 Correct 521 ms 21240 KB Output is correct
17 Correct 328 ms 20472 KB Output is correct
18 Correct 328 ms 20512 KB Output is correct
19 Correct 770 ms 77488 KB Output is correct
20 Correct 766 ms 75000 KB Output is correct
21 Correct 775 ms 77432 KB Output is correct
22 Correct 766 ms 75000 KB Output is correct
23 Correct 801 ms 74880 KB Output is correct
24 Correct 771 ms 74872 KB Output is correct
25 Correct 767 ms 74872 KB Output is correct
26 Correct 774 ms 77648 KB Output is correct
27 Correct 775 ms 77680 KB Output is correct
28 Correct 762 ms 75080 KB Output is correct
29 Correct 791 ms 74872 KB Output is correct
30 Correct 762 ms 74872 KB Output is correct