oj.uz

Submission #878071

# Submission time Handle Problem Language Result Execution time Memory
878071 2023-11-24T04:20:18 Z frostray8653 Snowball (JOI21_ho_t2) C++17
100 / 100
 79 ms 15488 KB 
// #pragma GCC optimize("Ofast,unroll-loops,O3")
#include <bits/stdc++.h>
#define int long long
// #define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define IO ios::sync_with_stdio(0), cin.tie(0)
#define FOR(i, a, b) for (int i = a, I = b; i <= b; i++)
using namespace std;
void dbg() {;}
template<class T, class ...U>
void dbg(T a, U ...b) {cout << a << " "; dbg(b...);}
void ent() {cout << "\n";}

const int mod = 998244353;
// const int mod = 1e9 + 7;
// const int INF = 2e9;
const int INF = 9e17;

/// ------- Initialization End -------

const int N = 200005;
int a[N];
int dx[N];
int bestl[N], bestr[N];
int ans[N];

signed main() {
    IO;
    int n, m;
    cin >> n >> m;
    FOR(i, 1, n) cin >> a[i];
    FOR(i, 1, m) cin >> dx[i];

    int now = 0;
    int lft = 0, rgt = 0;
    FOR(i, 1, m) {
        now += dx[i];
        lft = min(lft, now);
        rgt = max(rgt, now);
        bestl[i] = lft;
        bestr[i] = rgt;
    }
    ans[1] += abs(bestl[m]);
    FOR(i, 1, n) {
        if (i == n) {
            ans[i] += abs(bestr[m]);
        } else {
            int dif = a[i + 1] - a[i];
            int l = 0, r = m + 1;
            while (l + 1 < r) {
                int mid = (l + r) >> 1;
                if (bestr[mid] - bestl[mid] >= dif)
                    r = mid;
                else
                    l = mid;
            }
            int id = l;
            int len = bestr[id] - bestl[id];
            ans[i + 0] += abs(bestr[id]);
            ans[i + 1] += abs(bestl[id]);
            if (id < m) {
                if (bestr[id + 1] > bestr[id]) {
                    ans[i + 0] += dif - len;
                } else {
                    ans[i + 1] += dif - len;
                }
            }
        }
    }
    FOR(i, 1, n)
        cout << ans[i] << "\n";

    return 0;
}
/*

4 3
-2 3 5 8
2
-4
7

*/

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:8:38: warning: unused variable 'I' [-Wunused-variable]
    8 | #define FOR(i, a, b) for (int i = a, I = b; i <= b; i++)
      |                                      ^
Main.cpp:32:5: note: in expansion of macro 'FOR'
   32 |     FOR(i, 1, n) cin >> a[i];
      |     ^~~
Main.cpp:8:38: warning: unused variable 'I' [-Wunused-variable]
    8 | #define FOR(i, a, b) for (int i = a, I = b; i <= b; i++)
      |                                      ^
Main.cpp:33:5: note: in expansion of macro 'FOR'
   33 |     FOR(i, 1, m) cin >> dx[i];
      |     ^~~
Main.cpp:8:38: warning: unused variable 'I' [-Wunused-variable]
    8 | #define FOR(i, a, b) for (int i = a, I = b; i <= b; i++)
      |                                      ^
Main.cpp:37:5: note: in expansion of macro 'FOR'
   37 |     FOR(i, 1, m) {
      |     ^~~
Main.cpp:8:38: warning: unused variable 'I' [-Wunused-variable]
    8 | #define FOR(i, a, b) for (int i = a, I = b; i <= b; i++)
      |                                      ^
Main.cpp:45:5: note: in expansion of macro 'FOR'
   45 |     FOR(i, 1, n) {
      |     ^~~
Main.cpp:8:38: warning: unused variable 'I' [-Wunused-variable]
    8 | #define FOR(i, a, b) for (int i = a, I = b; i <= b; i++)
      |                                      ^
Main.cpp:71:5: note: in expansion of macro 'FOR'
   71 |     FOR(i, 1, n)
      |     ^~~

Subtask #1
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6624 KB Output is correct
8 Correct 1 ms 6644 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 2 ms 6488 KB Output is correct
16 Correct 2 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct

Subtask #2
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6624 KB Output is correct
8 Correct 1 ms 6644 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 2 ms 6488 KB Output is correct
16 Correct 2 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 18 ms 8516 KB Output is correct
21 Correct 18 ms 8380 KB Output is correct
22 Correct 19 ms 8276 KB Output is correct
23 Correct 16 ms 8028 KB Output is correct
24 Correct 20 ms 8540 KB Output is correct
25 Correct 73 ms 13468 KB Output is correct
26 Correct 75 ms 13704 KB Output is correct
27 Correct 72 ms 13136 KB Output is correct
28 Correct 79 ms 13232 KB Output is correct
29 Correct 70 ms 12600 KB Output is correct
30 Correct 73 ms 12420 KB Output is correct
31 Correct 46 ms 11600 KB Output is correct
32 Correct 41 ms 11744 KB Output is correct
33 Correct 7 ms 7260 KB Output is correct
34 Correct 74 ms 13796 KB Output is correct
35 Correct 72 ms 13232 KB Output is correct
36 Correct 77 ms 13508 KB Output is correct
37 Correct 72 ms 13300 KB Output is correct
38 Correct 76 ms 13088 KB Output is correct
39 Correct 69 ms 13140 KB Output is correct
40 Correct 53 ms 13208 KB Output is correct
41 Correct 19 ms 9272 KB Output is correct
42 Correct 42 ms 11652 KB Output is correct
43 Correct 51 ms 14928 KB Output is correct
44 Correct 19 ms 9040 KB Output is correct
45 Correct 47 ms 13136 KB Output is correct
46 Correct 52 ms 15184 KB Output is correct
47 Correct 61 ms 15236 KB Output is correct
48 Correct 54 ms 15488 KB Output is correct