oj.uz

Submission #659821

# Submission time Handle Problem Language Result Execution time Memory
659821 2022-11-19T10:50:50 Z stevancv K blocks (IZhO14_blocks) C++14
100 / 100
 385 ms 7120 KB 
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 2e5 + 2;
const int inf = 2e9;
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n, k;
    cin >> n >> k;
    vector<int> a(n);
    for (int i = 0; i < n; i++) cin >> a[i];
    vector<vector<int>> gr(n);
    stack<int> s;
    vector<int> v;
    for (int i = 0; i < n; i++) {
        while (!s.empty() && a[s.top()] < a[i]) s.pop();
        if (!s.empty()) gr[s.top()].push_back(i);
        else v.push_back(i);
        s.push(i);
    }
    while (!s.empty()) s.pop();
    vector<int> dp(n + 1, inf);
    dp[0] = 0;
    while (k--) {
        vector<int> f(n, inf), g(n, inf);
        for (int i = 0; i < n; i++) {
            while (!s.empty() && a[s.top()] <= a[i]) {
                smin(f[i], min(f[s.top()], dp[s.top() + 1]));
                s.pop();
            }
            if (s.empty()) smin(f[i], dp[0]);
            s.push(i);
        }
        while (!s.empty()) s.pop();
        queue<int> q;
        for (int i : v) q.push(i);
        while (!q.empty()) {
            int s = q.front(); q.pop();
            for (int u : gr[s]) {
                g[u] = min(g[s], dp[s + 1]);
                q.push(u);
            }
        }
        for (int i = 0; i <= n; i++) dp[i] = inf;
        for (int i = 1; i <= n; i++) {
            dp[i] = min(f[i - 1], g[i - 1]) + a[i - 1];
        }
    }
    int ans = inf;
    int mx = -inf;
    for (int i = n - 1; i >= 0; i--) {
        smax(mx, a[i]);
        if (a[i] == mx) smin(ans, dp[i + 1]);
    }
    cout << ans << en;
    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 320 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 320 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 320 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 316 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 316 KB Output is correct
20 Correct 1 ms 212 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 320 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 320 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 320 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 316 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 316 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 320 KB Output is correct
47 Correct 1 ms 320 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 324 KB Output is correct
55 Correct 0 ms 212 KB Output is correct
56 Correct 1 ms 320 KB Output is correct
57 Correct 1 ms 340 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 320 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 320 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 320 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 316 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 316 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 320 KB Output is correct
47 Correct 1 ms 320 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 324 KB Output is correct
55 Correct 0 ms 212 KB Output is correct
56 Correct 1 ms 320 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 9 ms 940 KB Output is correct
59 Correct 9 ms 3052 KB Output is correct
60 Correct 17 ms 3148 KB Output is correct
61 Correct 102 ms 3152 KB Output is correct
62 Correct 270 ms 6668 KB Output is correct
63 Correct 27 ms 6672 KB Output is correct
64 Correct 144 ms 6672 KB Output is correct
65 Correct 0 ms 324 KB Output is correct
66 Correct 1 ms 212 KB Output is correct
67 Correct 1 ms 212 KB Output is correct
68 Correct 0 ms 212 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 1 ms 340 KB Output is correct
71 Correct 32 ms 852 KB Output is correct
72 Correct 3 ms 844 KB Output is correct
73 Correct 10 ms 840 KB Output is correct
74 Correct 9 ms 3116 KB Output is correct
75 Correct 18 ms 3128 KB Output is correct
76 Correct 131 ms 3112 KB Output is correct
77 Correct 373 ms 6588 KB Output is correct
78 Correct 27 ms 6548 KB Output is correct
79 Correct 198 ms 6592 KB Output is correct
80 Correct 21 ms 6476 KB Output is correct
81 Correct 53 ms 6592 KB Output is correct
82 Correct 385 ms 6576 KB Output is correct
83 Correct 1 ms 340 KB Output is correct
84 Correct 1 ms 340 KB Output is correct
85 Correct 27 ms 980 KB Output is correct
86 Correct 3 ms 944 KB Output is correct
87 Correct 9 ms 1020 KB Output is correct
88 Correct 8 ms 3284 KB Output is correct
89 Correct 16 ms 3324 KB Output is correct
90 Correct 106 ms 3332 KB Output is correct
91 Correct 300 ms 7120 KB Output is correct
92 Correct 31 ms 6992 KB Output is correct
93 Correct 139 ms 7064 KB Output is correct
94 Correct 2 ms 852 KB Output is correct
95 Correct 26 ms 852 KB Output is correct
96 Correct 1 ms 340 KB Output is correct
97 Correct 1 ms 320 KB Output is correct
98 Correct 1 ms 212 KB Output is correct
99 Correct 1 ms 212 KB Output is correct