Submission #836765

# Submission time Handle Problem Language Result Execution time Memory
836765 2023-08-24T15:24:08 Z vjudge1 Snowball (JOI21_ho_t2) C++17
100 / 100
87 ms 16972 KB
#include <bits/stdc++.h>
using namespace std;

// 123
int32_t main() {
        ios_base::sync_with_stdio(0);
        cin.tie(0);
        int n, q;
        cin >> n >> q;
        vector<int64_t> a(n), b(q);
        for (int i = 0; i < n; i++) cin >> a[i];
        for (int i = 0; i < q; i++) cin >> b[i];
        vector<int64_t> mx(q + 1), mn(q + 1), sum(q + 1);
        int64_t cur = 0;
        for (int i = 0; i < q; i++) {
                cur += b[i];
                mx[i + 1] = max(mx[i], cur);
                mn[i + 1] = min(mn[i], cur);
                sum[i + 1] = mx[i + 1] - mn[i + 1];
        }
        vector<int64_t> res(n);
        res[0] -= mn[q];
        res[n - 1] += mx[q];
        for (int i = 0; i < n - 1; i++) {
                int64_t d = a[i + 1] - a[i];
                int l = 0, r = q, ans = -1;
                while (l <= r) {
                        int mid = l + r >> 1;
                        if (sum[mid] > d) {
                                ans = mid;
                                r = mid - 1;
                        } else {
                                l = mid + 1;
                        }
                }
                if (ans == -1) {
                        res[i] += mx[q];
                        res[i + 1] -= mn[q];
                } else {
                        assert(ans > 0);
                        ans--;
                        res[i] += mx[ans];
                        res[i + 1] -= mn[ans];
                        int64_t& which = (b[ans] > 0) ? res[i] : res[i + 1];
                        which += d - sum[ans];
                }
        }
        for (int i = 0; i < n; i++) cout << res[i] << '\n';
}

Compilation message

Main.cpp: In function 'int32_t main()':
Main.cpp:28:37: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   28 |                         int mid = l + r >> 1;
      |                                   ~~^~~
# 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 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
# 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 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 22 ms 8652 KB Output is correct
21 Correct 21 ms 8396 KB Output is correct
22 Correct 20 ms 8276 KB Output is correct
23 Correct 28 ms 8268 KB Output is correct
24 Correct 23 ms 8648 KB Output is correct
25 Correct 74 ms 14980 KB Output is correct
26 Correct 87 ms 14920 KB Output is correct
27 Correct 72 ms 14644 KB Output is correct
28 Correct 71 ms 14684 KB Output is correct
29 Correct 76 ms 14252 KB Output is correct
30 Correct 67 ms 13588 KB Output is correct
31 Correct 48 ms 13004 KB Output is correct
32 Correct 42 ms 13176 KB Output is correct
33 Correct 7 ms 1876 KB Output is correct
34 Correct 73 ms 15308 KB Output is correct
35 Correct 76 ms 14704 KB Output is correct
36 Correct 75 ms 14960 KB Output is correct
37 Correct 72 ms 14708 KB Output is correct
38 Correct 71 ms 14648 KB Output is correct
39 Correct 68 ms 14932 KB Output is correct
40 Correct 52 ms 14768 KB Output is correct
41 Correct 23 ms 9292 KB Output is correct
42 Correct 41 ms 13132 KB Output is correct
43 Correct 55 ms 16488 KB Output is correct
44 Correct 21 ms 9164 KB Output is correct
45 Correct 48 ms 14668 KB Output is correct
46 Correct 57 ms 16588 KB Output is correct
47 Correct 57 ms 16884 KB Output is correct
48 Correct 69 ms 16972 KB Output is correct