oj.uz

Submission #503481

# Submission time Handle Problem Language Result Execution time Memory
503481 2022-01-08T07:17:27 Z InternetPerson10 Snowball (JOI21_ho_t2) C++17
100 / 100
 90 ms 16744 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

ll BIG = 1234567891234567890;

vector<ll> roll_snowballs(vector<ll> snowballs, vector<ll> wind) {
    int n = snowballs.size();
    int q = wind.size();
    ll le = 0, ri = 0; // Pushes to the right/left
    ll curr = 0;
    vector<pair<ll, ll>> gaps(n+1);
    vector<ll> ans(n);
    gaps[0] = {BIG, -1};
    gaps[n] = {BIG, n-1};
    for(int i = 1; i < n; i++) {
        gaps[i] = {snowballs[i] - snowballs[i-1], i-1};
    }
    sort(gaps.begin(), gaps.end());
    int j = 0;
    for(int i = 0; i < q; i++) {
        curr += wind[i];
        if(curr > 0) le = max(le, curr);
        if(curr < 0) ri = max(ri, -curr);
        while(le + ri >= gaps[j].first) {
            ll l = le, r = ri, siz = gaps[j].first;
            if(curr > 0) l = siz - r;
            if(curr < 0) r = siz - l;
            ans[gaps[j].second] += l;
            ans[gaps[j].second+1] += r;
            j++;
        }
    }
    for(; j < n-1; j++) {
        ans[gaps[j].second] += le;
        ans[gaps[j].second+1] += ri;
    }
    ans[0] += ri;
    ans[n-1] += le;
    return ans;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, q;
    cin >> n >> q;
    vector<ll> snowballs(n), wind(q);
    for(int i = 0; i < n; i++) cin >> snowballs[i];
    for(int i = 0; i < q; i++) cin >> wind[i];
    vector<ll> ans = roll_snowballs(snowballs, wind);
    for(ll a : ans) cout << a << '\n';
}

Subtask #1
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 452 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 460 KB Output is correct

Subtask #2
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 452 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 26 ms 5568 KB Output is correct
21 Correct 27 ms 5312 KB Output is correct
22 Correct 24 ms 5152 KB Output is correct
23 Correct 22 ms 5060 KB Output is correct
24 Correct 25 ms 5740 KB Output is correct
25 Correct 78 ms 14904 KB Output is correct
26 Correct 79 ms 14916 KB Output is correct
27 Correct 77 ms 14680 KB Output is correct
28 Correct 77 ms 14956 KB Output is correct
29 Correct 79 ms 14692 KB Output is correct
30 Correct 73 ms 14312 KB Output is correct
31 Correct 69 ms 14188 KB Output is correct
32 Correct 61 ms 14304 KB Output is correct
33 Correct 8 ms 1732 KB Output is correct
34 Correct 82 ms 15332 KB Output is correct
35 Correct 76 ms 14940 KB Output is correct
36 Correct 79 ms 14952 KB Output is correct
37 Correct 79 ms 14940 KB Output is correct
38 Correct 77 ms 14688 KB Output is correct
39 Correct 77 ms 14940 KB Output is correct
40 Correct 81 ms 14936 KB Output is correct
41 Correct 28 ms 6080 KB Output is correct
42 Correct 68 ms 14312 KB Output is correct
43 Correct 90 ms 16580 KB Output is correct
44 Correct 32 ms 5936 KB Output is correct
45 Correct 75 ms 14812 KB Output is correct
46 Correct 81 ms 16608 KB Output is correct
47 Correct 79 ms 16744 KB Output is correct
48 Correct 80 ms 16708 KB Output is correct