oj.uz

Submission #160681

# Submission time Handle Problem Language Result Execution time Memory
160681 2019-10-29T10:21:30 Z TAISA_ Wall (IOI14_wall) C++14
100 / 100
 942 ms 59424 KB 
#include "wall.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int INF = (1 << 30) - 1;
using P = pair<int, int>;
template <typename T> void chmin(T &a, T b) { a = min(a, b); }
template <typename T> void chmax(T &a, T b) { a = max(a, b); }
struct Segtree {
    int n;
    vector<P> dat;
    P ei = P(INF, -INF);
    Segtree(int n_) {
        n = 1;
        while (n < n_) {
            n <<= 1;
        }
        dat.resize(2 * n, ei);
    }
    inline void merge(P &p1, P p2) {
        chmin(p1.first, p2.first);
        chmin(p1.second, p2.first);
        chmax(p1.second, p2.second);
    }
    inline void eval(int k) {
        if (k < n) {
            merge(dat[k << 1], dat[k]);
            merge(dat[k << 1 | 1], dat[k]);
            dat[k] = ei;
        }
    }
    void upd(int a, int b, P x, int k, int l, int r) {
        eval(k);
        if (b <= l || r <= a) {
            return;
        }
        if (a <= l && r <= b) {
            merge(dat[k], x);
            eval(k);
            return;
        }
        upd(a, b, x, k << 1, l, (l + r) >> 1);
        upd(a, b, x, k << 1 | 1, (l + r) >> 1, r);
    }
    inline void upd(int a, int b, P x) { return upd(a, b, x, 1, 0, n); }
    int get(int k, int x) {
        k += n;
        P p = dat[k];
        k >>= 1;
        while (k > 0) {
            merge(p, dat[k]);
            k >>= 1;
        }
        chmin(x, p.first);
        chmax(x, p.second);
        return x;
    }

    void out() {
        for (int i = 0; i < 2 * n; i++) {
            cout << i << " " << dat[i].first << " " << dat[i].second << endl;
        }
    }
};
void buildWall(int n, int k, int op[], int left[], int right[], int height[],
               int finalHeight[]) {
    Segtree seg(n);
    for (int i = 0; i < k; i++) {
        if (op[i] == 1) {
            seg.upd(left[i], right[i] + 1, P(INF, height[i]));
        } else {
            seg.upd(left[i], right[i] + 1, P(height[i], -INF));
        }
    }
    for (int i = 0; i < n; i++) {
        finalHeight[i] = seg.get(i, 0);
    }
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 352 KB Output is correct
2 Correct 4 ms 376 KB Output is correct
3 Correct 3 ms 248 KB Output is correct
4 Correct 9 ms 760 KB Output is correct
5 Correct 7 ms 760 KB Output is correct
6 Correct 7 ms 760 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 178 ms 13904 KB Output is correct
3 Correct 228 ms 8028 KB Output is correct
4 Correct 632 ms 20216 KB Output is correct
5 Correct 380 ms 20728 KB Output is correct
6 Correct 365 ms 19252 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 4 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 8 ms 760 KB Output is correct
5 Correct 7 ms 760 KB Output is correct
6 Correct 8 ms 816 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 172 ms 13944 KB Output is correct
9 Correct 225 ms 7984 KB Output is correct
10 Correct 704 ms 20252 KB Output is correct
11 Correct 378 ms 20760 KB Output is correct
12 Correct 366 ms 19212 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 177 ms 13988 KB Output is correct
15 Correct 39 ms 1912 KB Output is correct
16 Correct 667 ms 20256 KB Output is correct
17 Correct 369 ms 19676 KB Output is correct
18 Correct 364 ms 19716 KB Output is correct

Subtask #4
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 9 ms 760 KB Output is correct
5 Correct 8 ms 760 KB Output is correct
6 Correct 8 ms 760 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 177 ms 13944 KB Output is correct
9 Correct 224 ms 7980 KB Output is correct
10 Correct 632 ms 20348 KB Output is correct
11 Correct 368 ms 20756 KB Output is correct
12 Correct 382 ms 19196 KB Output is correct
13 Correct 2 ms 380 KB Output is correct
14 Correct 196 ms 14040 KB Output is correct
15 Correct 37 ms 1912 KB Output is correct
16 Correct 655 ms 20220 KB Output is correct
17 Correct 359 ms 19704 KB Output is correct
18 Correct 374 ms 19704 KB Output is correct
19 Correct 920 ms 59236 KB Output is correct
20 Correct 915 ms 59268 KB Output is correct
21 Correct 941 ms 59204 KB Output is correct
22 Correct 939 ms 59380 KB Output is correct
23 Correct 921 ms 59340 KB Output is correct
24 Correct 913 ms 59376 KB Output is correct
25 Correct 907 ms 59256 KB Output is correct
26 Correct 934 ms 59368 KB Output is correct
27 Correct 942 ms 59424 KB Output is correct
28 Correct 941 ms 59352 KB Output is correct
29 Correct 908 ms 59384 KB Output is correct
30 Correct 907 ms 59296 KB Output is correct