oj.uz

Submission #659388

# Submission time Handle Problem Language Result Execution time Memory
659388 2022-11-17T15:14:00 Z GrandTiger1729 Snowball (JOI21_ho_t2) C++17
100 / 100
 216 ms 37440 KB 
#include <iostream>
#include <vector>
using namespace std;

const long long INF = 2e18;
struct segTree{
    int l, r, mid;
    long long val = 0, lz = 0;
    segTree *lc, *rc;
    segTree(vector<long long> &a, int _l, int _r): l(_l), r(_r){
        mid = (l + r) / 2;
        if (l == r - 1){
            val = a[l];
            return;
        }
        lc = new segTree(a, l, mid);
        rc = new segTree(a, mid, r);
        pull();
    }
    long long real_val(){
        return val + lz;
    }
    void pull(){
        val = min(lc->real_val(), rc->real_val());
    }
    void push(){
        if (lz != 0){
            lc->lz += lz;
            rc->lz += lz;
            lz = 0;
        }
        pull();
    }
    void update(int ll, int rr, long long u){
        if (ll <= l && rr >= r){
            lz -= u;
            return;
        }
        push();
        if (ll < mid){
            lc->update(ll, rr, u);
        }
        if (mid < rr){
            rc->update(ll, rr, u);
        }
        pull();
    }
    void query(vector<int> &ans){
        if (real_val() > 0){
            return;
        }
        if (l == r - 1){
            ans.push_back(l);
            val = INF;
            return;
        }
        push();
        lc->query(ans);
        rc->query(ans);
        pull();
    }
};

int main(){
    cin.tie(0)->sync_with_stdio(0);
    int n, q; cin >> n >> q;
    vector<long long> a(n);
    for (int i = 0; i < n; i++){
        cin >> a[i];
    }
    vector<long long> b(n + 1, INF);
    for (int i = 1; i < n; i++){
        b[i] = a[i] - a[i - 1];
    }
    segTree st(b, 0, n + 1);
    long long cur = 0, ll = 0, rr = 0;
    vector<long long> ans(n);
    vector<bool> vis(n + 1);
    while (q--){
        long long x; cin >> x;
        cur += x;
        if (x > 0 && cur > rr){
            st.update(0, n + 1, cur - rr);
            rr = cur;
            vector<int> res;
            st.query(res);
            for (auto &i: res){
                ans[i] += ll;
                ans[i - 1] += b[i] - ll;
                vis[i] = 1;
            }
        }
        if (x < 0 && -cur > ll){
            st.update(0, n + 1, -cur - ll);
            ll = -cur;
            vector<int> res;
            st.query(res);
            for (auto &i: res){
                ans[i - 1] += rr;
                ans[i] += b[i] - rr;
                vis[i] = 1;
            }
        }
    }
    ans[0] += ll;
    ans[n - 1] += rr;
    for (int i = 1; i < n; i++){
        if (!vis[i]){
            ans[i - 1] += rr;
            ans[i] += ll;
        }
    }
    for (int i = 0; i < n; i++){
        cout << ans[i] << '\n';
    }
    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 1 ms 340 KB Output is correct
4 Correct 2 ms 596 KB Output is correct
5 Correct 2 ms 588 KB Output is correct
6 Correct 2 ms 596 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 316 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 320 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 2 ms 596 KB Output is correct
17 Correct 1 ms 656 KB Output is correct
18 Correct 1 ms 288 KB Output is correct
19 Correct 2 ms 596 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 1 ms 340 KB Output is correct
4 Correct 2 ms 596 KB Output is correct
5 Correct 2 ms 588 KB Output is correct
6 Correct 2 ms 596 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 316 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 320 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 2 ms 596 KB Output is correct
17 Correct 1 ms 656 KB Output is correct
18 Correct 1 ms 288 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 30 ms 2336 KB Output is correct
21 Correct 26 ms 2224 KB Output is correct
22 Correct 26 ms 1992 KB Output is correct
23 Correct 31 ms 2116 KB Output is correct
24 Correct 35 ms 5084 KB Output is correct
25 Correct 205 ms 35404 KB Output is correct
26 Correct 211 ms 35332 KB Output is correct
27 Correct 201 ms 35024 KB Output is correct
28 Correct 199 ms 35160 KB Output is correct
29 Correct 192 ms 34636 KB Output is correct
30 Correct 167 ms 34028 KB Output is correct
31 Correct 111 ms 33572 KB Output is correct
32 Correct 75 ms 34368 KB Output is correct
33 Correct 14 ms 3796 KB Output is correct
34 Correct 172 ms 35716 KB Output is correct
35 Correct 183 ms 35132 KB Output is correct
36 Correct 216 ms 35404 KB Output is correct
37 Correct 215 ms 35156 KB Output is correct
38 Correct 200 ms 34896 KB Output is correct
39 Correct 175 ms 35148 KB Output is correct
40 Correct 122 ms 35328 KB Output is correct
41 Correct 28 ms 2992 KB Output is correct
42 Correct 64 ms 33612 KB Output is correct
43 Correct 92 ms 37040 KB Output is correct
44 Correct 28 ms 2864 KB Output is correct
45 Correct 75 ms 35156 KB Output is correct
46 Correct 101 ms 37120 KB Output is correct
47 Correct 93 ms 37420 KB Output is correct
48 Correct 97 ms 37440 KB Output is correct