답안 #528941

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
528941 2022-02-21T19:21:13 Z tabr Mountains (IOI17_mountains) C++17
70 / 100
1000 ms 16056 KB
#include <bits/stdc++.h>
using namespace std;
#ifdef tabr
#include "library/debug.cpp"
#else
#define debug(...)
#endif

int maximum_deevs(vector<int> y) {
    int n = (int) y.size();
    vector<vector<int>> dp(n + 1, vector<int>(n + 1));
    for (int l = n - 1; l >= 0; l--) {
        for (int r = l + 1; r <= n; r++) {
            int pos = (int) (max_element(y.begin() + l, y.begin() + r) - y.begin());
            dp[l][r] = 1;
            int lst = pos;
            pair<int, int> a = make_pair(1, 0);
            for (int i = pos - 1; i >= l; i--) {
                auto b = make_pair(y[pos] - y[i], pos - i);
                if (1LL * a.first * b.second >= 1LL * a.second * b.first) {
                    a = b;
                    dp[l][r] += dp[i + 1][lst];
                    lst = i;
                }
            }
            dp[l][r] += dp[l][lst];
            lst = pos;
            a = make_pair(1, 0);
            for (int i = pos + 1; i < r; i++) {
                auto b = make_pair(y[pos] - y[i], i - pos);
                if (1LL * a.first * b.second >= 1LL * a.second * b.first) {
                    a = b;
                    dp[l][r] += dp[lst + 1][i];
                    lst = i;
                }
            }
            dp[l][r] += dp[lst + 1][r];
            dp[l][r] = max(dp[l][r], dp[l][pos] + dp[pos + 1][r]);
        }
    }
    return dp[0][n];
}

#ifdef tabr
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    debug(maximum_deevs({6, 1, 5, 2, 3, 1}));
    debug(maximum_deevs({0, 1, 2}));
    return 0;
}
#endif
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 292 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 288 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 292 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 288 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 292 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 296 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 292 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 288 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 292 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 296 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 6 ms 432 KB Output is correct
40 Correct 18 ms 588 KB Output is correct
41 Correct 17 ms 588 KB Output is correct
42 Correct 20 ms 656 KB Output is correct
43 Correct 19 ms 588 KB Output is correct
44 Correct 19 ms 588 KB Output is correct
45 Correct 24 ms 588 KB Output is correct
46 Correct 27 ms 588 KB Output is correct
47 Correct 22 ms 588 KB Output is correct
48 Correct 21 ms 588 KB Output is correct
49 Correct 22 ms 588 KB Output is correct
50 Correct 22 ms 548 KB Output is correct
51 Correct 19 ms 588 KB Output is correct
52 Correct 23 ms 588 KB Output is correct
53 Correct 24 ms 588 KB Output is correct
54 Correct 29 ms 588 KB Output is correct
55 Correct 27 ms 588 KB Output is correct
56 Correct 24 ms 644 KB Output is correct
57 Correct 21 ms 548 KB Output is correct
58 Correct 19 ms 588 KB Output is correct
59 Correct 19 ms 588 KB Output is correct
60 Correct 18 ms 588 KB Output is correct
61 Correct 21 ms 588 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 292 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 288 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 292 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 296 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 6 ms 432 KB Output is correct
40 Correct 18 ms 588 KB Output is correct
41 Correct 17 ms 588 KB Output is correct
42 Correct 20 ms 656 KB Output is correct
43 Correct 19 ms 588 KB Output is correct
44 Correct 19 ms 588 KB Output is correct
45 Correct 24 ms 588 KB Output is correct
46 Correct 27 ms 588 KB Output is correct
47 Correct 22 ms 588 KB Output is correct
48 Correct 21 ms 588 KB Output is correct
49 Correct 22 ms 588 KB Output is correct
50 Correct 22 ms 548 KB Output is correct
51 Correct 19 ms 588 KB Output is correct
52 Correct 23 ms 588 KB Output is correct
53 Correct 24 ms 588 KB Output is correct
54 Correct 29 ms 588 KB Output is correct
55 Correct 27 ms 588 KB Output is correct
56 Correct 24 ms 644 KB Output is correct
57 Correct 21 ms 548 KB Output is correct
58 Correct 19 ms 588 KB Output is correct
59 Correct 19 ms 588 KB Output is correct
60 Correct 18 ms 588 KB Output is correct
61 Correct 21 ms 588 KB Output is correct
62 Correct 632 ms 4244 KB Output is correct
63 Execution timed out 1067 ms 16056 KB Time limit exceeded
64 Halted 0 ms 0 KB -