oj.uz

답안 #747520

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
747520 2023-05-24T08:55:08 Z baluteshih Mizuyokan 2 (JOI23_mizuyokan2) C++14
28 / 100
 4000 ms 4104 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define X first
#define Y second
#define SZ(a) ((int)a.size())
#define ALL(v) v.begin(), v.end()
#define pb push_back

const int L = 70;
int arr[250005], lft[250005], tmp[250005];

int main() {
    ios::sync_with_stdio(0), cin.tie(0);
    int n;
    cin >> n;
    for (int i = 1; i <= n; ++i)
        cin >> arr[i];
    
    auto update = [&](int i) {
        lft[i] = 0;
        ll cur = 0;
        for (int j = i; j > 0 && j > i - L; --j) {
            cur += arr[j];
            if (cur > max(arr[j - 1], arr[i + 1])) {
                lft[i] = j;
                break;
            }
        }
    };

    for (int i = 1; i <= n; ++i)
        update(i);
    int q;
    cin >> q;
    for (int i = 1; i <= q; ++i) {
        int x, y, a, b;
        cin >> x >> y >> a >> b;
        arr[x] = y;
        for (int j = max(1, x - 1); j <= n && j <= x + L; ++j)
            update(j);
        int ans = 1;

        ll cur = 0;
        for (int j = a + 1; j < b && j <= a + L; ++j) {
            tmp[j] = lft[j];
            cur += arr[j];
            if (cur > arr[j + 1]) lft[j] = max(lft[j], a + 1);
        }
        tmp[b] = lft[b], lft[b] = 0, cur = 0;
        for (int j = b; j > a && j > b - L; --j) {
            cur += arr[j];
            if (j == a + 1 || cur > arr[j - 1]) {
                lft[b] = j;
                break;
            }
        }

        pii one = pll(a - 1, -1);
        pii two = pll(a, 0);
        for (int j = a + 1; j <= b; ++j) {
            if (lft[j] - 1 > one.X) one.X = j, one.Y += 2;
            if (lft[j] - 1 > two.X) two.X = j, two.Y += 2;
            if (j == b) ans = max({ans, one.Y, two.Y});
            else ans = max({ans, one.Y + 1, two.Y + 1});
        }

        for (int j = a + 1; j <= b && j <= a + L; ++j)
            lft[j] = tmp[j];
        lft[b] = tmp[b];

        cout << ans << "\n";
    }
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 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 0 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 384 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 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 0 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct

Subtask #3
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 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 0 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 21 ms 2004 KB Output is correct
42 Correct 22 ms 2264 KB Output is correct
43 Correct 22 ms 2312 KB Output is correct
44 Correct 18 ms 1668 KB Output is correct
45 Correct 25 ms 2336 KB Output is correct
46 Correct 30 ms 2260 KB Output is correct
47 Correct 27 ms 1748 KB Output is correct
48 Correct 28 ms 2260 KB Output is correct
49 Correct 29 ms 2248 KB Output is correct
50 Correct 29 ms 2288 KB Output is correct
51 Correct 29 ms 2252 KB Output is correct
52 Correct 21 ms 1856 KB Output is correct
53 Correct 29 ms 2348 KB Output is correct
54 Correct 27 ms 2260 KB Output is correct
55 Correct 22 ms 2260 KB Output is correct
56 Correct 26 ms 2360 KB Output is correct
57 Correct 21 ms 2252 KB Output is correct
58 Correct 26 ms 2252 KB Output is correct
59 Correct 24 ms 2252 KB Output is correct
60 Correct 26 ms 2252 KB Output is correct

Subtask #4
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 78 ms 2632 KB Output is correct
3 Correct 106 ms 3424 KB Output is correct
4 Correct 308 ms 3012 KB Output is correct
5 Correct 1465 ms 3556 KB Output is correct
6 Execution timed out 4065 ms 4104 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 224 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 72 ms 3128 KB Output is correct
4 Correct 114 ms 3440 KB Output is correct
5 Correct 1481 ms 3452 KB Output is correct
6 Execution timed out 4070 ms 3764 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 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 0 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 21 ms 2004 KB Output is correct
42 Correct 22 ms 2264 KB Output is correct
43 Correct 22 ms 2312 KB Output is correct
44 Correct 18 ms 1668 KB Output is correct
45 Correct 25 ms 2336 KB Output is correct
46 Correct 30 ms 2260 KB Output is correct
47 Correct 27 ms 1748 KB Output is correct
48 Correct 28 ms 2260 KB Output is correct
49 Correct 29 ms 2248 KB Output is correct
50 Correct 29 ms 2288 KB Output is correct
51 Correct 29 ms 2252 KB Output is correct
52 Correct 21 ms 1856 KB Output is correct
53 Correct 29 ms 2348 KB Output is correct
54 Correct 27 ms 2260 KB Output is correct
55 Correct 22 ms 2260 KB Output is correct
56 Correct 26 ms 2360 KB Output is correct
57 Correct 21 ms 2252 KB Output is correct
58 Correct 26 ms 2252 KB Output is correct
59 Correct 24 ms 2252 KB Output is correct
60 Correct 26 ms 2252 KB Output is correct
61 Correct 0 ms 340 KB Output is correct
62 Correct 78 ms 2632 KB Output is correct
63 Correct 106 ms 3424 KB Output is correct
64 Correct 308 ms 3012 KB Output is correct
65 Correct 1465 ms 3556 KB Output is correct
66 Execution timed out 4065 ms 4104 KB Time limit exceeded
67 Halted 0 ms 0 KB -