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Submission #632168

# Submission time Handle Problem Language Result Execution time Memory
632168 2022-08-19T14:48:00 Z Ooops_sorry Snowball (JOI21_ho_t2) C++17
100 / 100
 1069 ms 15300 KB 
#include<bits/stdc++.h>

using namespace std;

mt19937 rnd(51);

#define ll long long
#define pb push_back
#define ld long double

const ll INF = 1e18;

signed main() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
#endif // LOCAL
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, q;
    cin >> n >> q;
    vector<ll> x(n), w(q), ans(n);
    for (int i = 0; i < n; i++) {
        cin >> x[i];
    }
    ll cur = 0, mn = 0, mx = 0;
    vector<ll> u{-INF, INF};
    for (int i = 0; i < q; i++) {
        cin >> w[i];
        cur += w[i];
        mn = min(mn, cur);
        mx = max(mx, cur);
        u.pb(cur);
    }
    sort(u.begin(), u.end());
    u.erase(unique(u.begin(), u.end()), u.end());
    int m = u.size();
    vector<int> pr(m, q), sf(m, q);
    cur = 0;
    for (int i = 0; i < q; i++) {
        cur += w[i];
        int j = lower_bound(u.begin(), u.end(), cur) - u.begin();
        pr[j] = min(pr[j], i);
        sf[j] = min(sf[j], i);
    }
    for (int i = 1; i < m; i++) {
        pr[i] = min(pr[i], pr[i - 1]);
    }
    for (int i = m - 2; i >= 0; i--) {
        sf[i] = min(sf[i], sf[i + 1]);
    }
    for (int i = 0; i + 1 < n; i++) {
        ll l = 0, r = x[i + 1] - x[i] + 1, d = x[i + 1] - x[i];
        if (abs(mn) + mx <= x[i + 1] - x[i]) {
            ans[i] += mx;
            ans[i + 1] += abs(mn);
            continue;
        }
        while (r - l > 1) {
            ll mid = (r + l) / 2;
            int j = lower_bound(u.begin(), u.end(), mid) - u.begin();
            int k = upper_bound(u.begin(), u.end(), -(d - mid + 1)) - u.begin() - 1;
            if (sf[j] < pr[k]) {
                l = mid;
            } else {
                r = mid;
            }
        }
        ans[i] += l;
        ans[i + 1] += d - l;
    }
    ans[0] += abs(mn);
    ans.back() += abs(mx);
    for (int i = 0; i < n; i++) {
        cout << ans[i] << endl;
    }
    return 0;
}

Subtask #1
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 7 ms 408 KB Output is correct
5 Correct 7 ms 340 KB Output is correct
6 Correct 7 ms 340 KB Output is correct
7 Correct 5 ms 448 KB Output is correct
8 Correct 6 ms 340 KB Output is correct
9 Correct 6 ms 340 KB Output is correct
10 Correct 3 ms 332 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 324 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 7 ms 468 KB Output is correct
16 Correct 7 ms 468 KB Output is correct
17 Correct 5 ms 536 KB Output is correct
18 Correct 0 ms 324 KB Output is correct
19 Correct 3 ms 340 KB Output is correct

Subtask #2
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 7 ms 408 KB Output is correct
5 Correct 7 ms 340 KB Output is correct
6 Correct 7 ms 340 KB Output is correct
7 Correct 5 ms 448 KB Output is correct
8 Correct 6 ms 340 KB Output is correct
9 Correct 6 ms 340 KB Output is correct
10 Correct 3 ms 332 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 324 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 7 ms 468 KB Output is correct
16 Correct 7 ms 468 KB Output is correct
17 Correct 5 ms 536 KB Output is correct
18 Correct 0 ms 324 KB Output is correct
19 Correct 3 ms 340 KB Output is correct
20 Correct 49 ms 7100 KB Output is correct
21 Correct 47 ms 6956 KB Output is correct
22 Correct 64 ms 6756 KB Output is correct
23 Correct 58 ms 6636 KB Output is correct
24 Correct 147 ms 7080 KB Output is correct
25 Correct 1058 ms 13576 KB Output is correct
26 Correct 1026 ms 13448 KB Output is correct
27 Correct 996 ms 12976 KB Output is correct
28 Correct 976 ms 12848 KB Output is correct
29 Correct 857 ms 11840 KB Output is correct
30 Correct 432 ms 10700 KB Output is correct
31 Correct 314 ms 10312 KB Output is correct
32 Correct 268 ms 10256 KB Output is correct
33 Correct 92 ms 1656 KB Output is correct
34 Correct 1053 ms 13712 KB Output is correct
35 Correct 1006 ms 13092 KB Output is correct
36 Correct 1069 ms 13388 KB Output is correct
37 Correct 977 ms 13072 KB Output is correct
38 Correct 1041 ms 12808 KB Output is correct
39 Correct 1008 ms 13024 KB Output is correct
40 Correct 555 ms 13088 KB Output is correct
41 Correct 43 ms 7748 KB Output is correct
42 Correct 272 ms 10252 KB Output is correct
43 Correct 479 ms 14916 KB Output is correct
44 Correct 56 ms 7616 KB Output is correct
45 Correct 330 ms 13060 KB Output is correct
46 Correct 534 ms 15096 KB Output is correct
47 Correct 494 ms 14276 KB Output is correct
48 Correct 484 ms 15300 KB Output is correct