oj.uz

Submission #880146

# Submission time Handle Problem Language Result Execution time Memory
880146 2023-11-28T20:51:25 Z rockstar Snowball (JOI21_ho_t2) C++17
100 / 100
 2058 ms 14000 KB 
//#pragma GCC optimize("O3,unroll-loops,inline")

#include <bits/stdc++.h>

using namespace std;

using ll = long long;

#define int ll
#define all(a) a.begin(), a.end()

bool check_right(int i, int len, vector<int>& mn, vector<int>& mx, int dist_to_next) {
    int q = mx.size() - 1;
    int l = -1, r = q;
    while (r - l > 1) {
        int mid = (l + r) / 2;
        if (mx[mid] >= len)
            r = mid;
        else
            l = mid;
    }
    return mx[r] >= len && dist_to_next + mn[r] - len >= 0;
}

bool check_left(int i, int len, vector<int>& mn, vector<int>& mx, int dist_to_next) {
    int q = mx.size() - 1;
    int l = -1, r = q;
    while (r - l > 1) {
        int mid = (l + r) / 2;
        if (-mn[mid] >= len)
            r = mid;
        else
            l = mid;
    }
    return -mn[r] >= len && dist_to_next - mx[r] - len >= 0;
}

void solve() {
    int n, q;
    cin >> n >> q;
    vector<int> x(n);
    for (int& i : x)
        cin >> i;
    vector<int> ans(n, 0), mn(q + 1, 0), mx(q + 1, 0);
    int a = 0;
    for (int i = 0; i < q; ++i) {
        int w;
        cin >> w;
        a += w;
        mn[i + 1] = min(mn[i], a);
        mx[i + 1] = max(mx[i], a);
    }
    for (int i = 0; i < n; ++i) {
        int l = 0, r = 1e18;
        while (r - l > 1) {
            int mid = r / 2 + l / 2 + (r % 2 + l % 2) / 2;
            if (check_right(i, mid, mn, mx, (i != n - 1 ? x[i + 1] - x[i] : 1e18)))
                l = mid;
            else
                r = mid;
        }
        ans[i] += l;
        l = 0, r = 1e18;
        while (r - l > 1) {
            int mid = r / 2 + l / 2 + (r % 2 + l % 2) / 2;
            if (check_left(i, mid, mn, mx, (i != 0 ? x[i] - x[i - 1] : 1e18)))
                l = mid;
            else
                r = mid;
        }
        ans[i] += l;
    }
    for (int i : ans)
        cout << i << '\n';
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int t = 1;
    //    cin >> t;
    while (t--)
        solve();
}

Subtask #1
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 11 ms 348 KB Output is correct
5 Correct 11 ms 348 KB Output is correct
6 Correct 11 ms 364 KB Output is correct
7 Correct 10 ms 348 KB Output is correct
8 Correct 11 ms 552 KB Output is correct
9 Correct 11 ms 348 KB Output is correct
10 Correct 10 ms 348 KB Output is correct
11 Correct 11 ms 552 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 12 ms 564 KB Output is correct
16 Correct 11 ms 348 KB Output is correct
17 Correct 11 ms 348 KB Output is correct
18 Correct 1 ms 500 KB Output is correct
19 Correct 9 ms 468 KB Output is correct

Subtask #2
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 11 ms 348 KB Output is correct
5 Correct 11 ms 348 KB Output is correct
6 Correct 11 ms 364 KB Output is correct
7 Correct 10 ms 348 KB Output is correct
8 Correct 11 ms 552 KB Output is correct
9 Correct 11 ms 348 KB Output is correct
10 Correct 10 ms 348 KB Output is correct
11 Correct 11 ms 552 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 12 ms 564 KB Output is correct
16 Correct 11 ms 348 KB Output is correct
17 Correct 11 ms 348 KB Output is correct
18 Correct 1 ms 500 KB Output is correct
19 Correct 9 ms 468 KB Output is correct
20 Correct 20 ms 5724 KB Output is correct
21 Correct 18 ms 5528 KB Output is correct
22 Correct 23 ms 5212 KB Output is correct
23 Correct 36 ms 5204 KB Output is correct
24 Correct 224 ms 5512 KB Output is correct
25 Correct 1987 ms 11996 KB Output is correct
26 Correct 2058 ms 11924 KB Output is correct
27 Correct 1998 ms 11516 KB Output is correct
28 Correct 2021 ms 11688 KB Output is correct
29 Correct 1965 ms 11348 KB Output is correct
30 Correct 1856 ms 10648 KB Output is correct
31 Correct 1694 ms 9960 KB Output is correct
32 Correct 1669 ms 10312 KB Output is correct
33 Correct 153 ms 1620 KB Output is correct
34 Correct 1986 ms 12328 KB Output is correct
35 Correct 2009 ms 11684 KB Output is correct
36 Correct 2012 ms 11976 KB Output is correct
37 Correct 2013 ms 11676 KB Output is correct
38 Correct 1988 ms 11520 KB Output is correct
39 Correct 1971 ms 11716 KB Output is correct
40 Correct 1868 ms 11716 KB Output is correct
41 Correct 19 ms 6236 KB Output is correct
42 Correct 1634 ms 10324 KB Output is correct
43 Correct 1830 ms 13396 KB Output is correct
44 Correct 19 ms 6012 KB Output is correct
45 Correct 1728 ms 11600 KB Output is correct
46 Correct 1753 ms 13516 KB Output is correct
47 Correct 1731 ms 13744 KB Output is correct
48 Correct 1745 ms 14000 KB Output is correct