oj.uz

Submission #873878

# Submission time Handle Problem Language Result Execution time Memory
873878 2023-11-16T02:27:04 Z noiaint K blocks (IZhO14_blocks) C++17
100 / 100
 143 ms 43340 KB 
#include <bits/stdc++.h>

using namespace std;

#define file ""

#define mp make_pair
#define fi first
#define se second
#define all(x) x.begin(), x.end()

#define getbit(x, i) (((x) >> (i)) & 1)
#define bit(x) (1LL << (x))
#define popcount __builtin_popcountll

mt19937_64 rd(chrono::steady_clock::now().time_since_epoch().count());
int rand(int l, int r) {
    return l + rd() % (r - l + 1);
}

const int N = 1e5 + 5;
const int mod = (int)1e9 + 7; // 998244353;
const int lg = 25; // lg + 1
const int oo = 1e9;
const long long ooo = 1e18;

template<class X, class Y> bool mini(X &a, Y b) {
    return a > b ? (a = b, true) : false;
}
template<class X, class Y> bool maxi(X &a, Y b) {
    return a < b ? (a = b, true) : false;
}
void add(int &a, int b) {
    a += b;
    if (a >= mod) a -= mod;
    if (a < 0) a += mod;
}

int n, m;
int a[N];
int f[105][N];

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    // freopen(file".inp", "r", stdin);
    // freopen(file".out", "w", stdout);

    cin >> n >> m;
    for (int i = 1; i <= n; ++i)
    	cin >> a[i];

    memset(f, 0x3f, sizeof f);

    f[0][0] = 0;

    for (int k = 1; k <= m; ++k) {
    	stack<pair<int, int> > st;
    	for (int i = k; i <= n; ++i) {
    		int res = f[k - 1][i - 1];
    		while (st.size() && a[st.top().se] <= a[i]) {
    			res = min(res, st.top().fi);
    			st.pop();
    		}
    		int j = st.size() ? st.top().se : 0;
    		f[k][i] = min(f[k][j], res + a[i]);
    		// mini(f[k][i], res + a[i]);
    		st.push(mp(res, i));
    	}
    }

    cout << f[m][n];

    return 0;
}

/*

*/

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 41564 KB Output is correct
2 Correct 5 ms 41688 KB Output is correct
3 Correct 6 ms 41564 KB Output is correct
4 Correct 5 ms 41564 KB Output is correct
5 Correct 8 ms 41564 KB Output is correct
6 Correct 6 ms 41660 KB Output is correct
7 Correct 5 ms 41564 KB Output is correct
8 Correct 6 ms 41564 KB Output is correct
9 Correct 14 ms 41564 KB Output is correct
10 Correct 6 ms 41560 KB Output is correct
11 Correct 6 ms 41560 KB Output is correct
12 Correct 5 ms 41564 KB Output is correct
13 Correct 6 ms 41564 KB Output is correct
14 Correct 5 ms 41564 KB Output is correct
15 Correct 5 ms 41564 KB Output is correct
16 Correct 5 ms 41688 KB Output is correct
17 Correct 6 ms 41564 KB Output is correct
18 Correct 6 ms 41564 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 41564 KB Output is correct
2 Correct 5 ms 41564 KB Output is correct
3 Correct 5 ms 41564 KB Output is correct
4 Correct 6 ms 41564 KB Output is correct
5 Correct 6 ms 41564 KB Output is correct
6 Correct 6 ms 41632 KB Output is correct
7 Correct 5 ms 41564 KB Output is correct
8 Correct 5 ms 41564 KB Output is correct
9 Correct 6 ms 41564 KB Output is correct
10 Correct 6 ms 41684 KB Output is correct
11 Correct 6 ms 41564 KB Output is correct
12 Correct 5 ms 41564 KB Output is correct
13 Correct 6 ms 41620 KB Output is correct
14 Correct 6 ms 41684 KB Output is correct
15 Correct 6 ms 41564 KB Output is correct
16 Correct 6 ms 41564 KB Output is correct
17 Correct 6 ms 41560 KB Output is correct
18 Correct 6 ms 41568 KB Output is correct
19 Correct 6 ms 41568 KB Output is correct
20 Correct 5 ms 41564 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 41564 KB Output is correct
2 Correct 5 ms 41688 KB Output is correct
3 Correct 6 ms 41564 KB Output is correct
4 Correct 5 ms 41564 KB Output is correct
5 Correct 8 ms 41564 KB Output is correct
6 Correct 6 ms 41660 KB Output is correct
7 Correct 5 ms 41564 KB Output is correct
8 Correct 6 ms 41564 KB Output is correct
9 Correct 14 ms 41564 KB Output is correct
10 Correct 6 ms 41560 KB Output is correct
11 Correct 6 ms 41560 KB Output is correct
12 Correct 5 ms 41564 KB Output is correct
13 Correct 6 ms 41564 KB Output is correct
14 Correct 5 ms 41564 KB Output is correct
15 Correct 5 ms 41564 KB Output is correct
16 Correct 5 ms 41688 KB Output is correct
17 Correct 6 ms 41564 KB Output is correct
18 Correct 6 ms 41564 KB Output is correct
19 Correct 5 ms 41564 KB Output is correct
20 Correct 5 ms 41564 KB Output is correct
21 Correct 5 ms 41564 KB Output is correct
22 Correct 6 ms 41564 KB Output is correct
23 Correct 6 ms 41564 KB Output is correct
24 Correct 6 ms 41632 KB Output is correct
25 Correct 5 ms 41564 KB Output is correct
26 Correct 5 ms 41564 KB Output is correct
27 Correct 6 ms 41564 KB Output is correct
28 Correct 6 ms 41684 KB Output is correct
29 Correct 6 ms 41564 KB Output is correct
30 Correct 5 ms 41564 KB Output is correct
31 Correct 6 ms 41620 KB Output is correct
32 Correct 6 ms 41684 KB Output is correct
33 Correct 6 ms 41564 KB Output is correct
34 Correct 6 ms 41564 KB Output is correct
35 Correct 6 ms 41560 KB Output is correct
36 Correct 6 ms 41568 KB Output is correct
37 Correct 6 ms 41568 KB Output is correct
38 Correct 5 ms 41564 KB Output is correct
39 Correct 6 ms 41564 KB Output is correct
40 Correct 6 ms 41564 KB Output is correct
41 Correct 6 ms 41660 KB Output is correct
42 Correct 5 ms 41684 KB Output is correct
43 Correct 5 ms 41564 KB Output is correct
44 Correct 5 ms 41564 KB Output is correct
45 Correct 6 ms 41560 KB Output is correct
46 Correct 5 ms 41564 KB Output is correct
47 Correct 5 ms 41564 KB Output is correct
48 Correct 6 ms 41564 KB Output is correct
49 Correct 5 ms 41608 KB Output is correct
50 Correct 6 ms 41564 KB Output is correct
51 Correct 5 ms 41564 KB Output is correct
52 Correct 6 ms 41564 KB Output is correct
53 Correct 6 ms 41564 KB Output is correct
54 Correct 5 ms 41564 KB Output is correct
55 Correct 6 ms 41684 KB Output is correct
56 Correct 6 ms 41564 KB Output is correct
57 Correct 6 ms 41564 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 41564 KB Output is correct
2 Correct 5 ms 41688 KB Output is correct
3 Correct 6 ms 41564 KB Output is correct
4 Correct 5 ms 41564 KB Output is correct
5 Correct 8 ms 41564 KB Output is correct
6 Correct 6 ms 41660 KB Output is correct
7 Correct 5 ms 41564 KB Output is correct
8 Correct 6 ms 41564 KB Output is correct
9 Correct 14 ms 41564 KB Output is correct
10 Correct 6 ms 41560 KB Output is correct
11 Correct 6 ms 41560 KB Output is correct
12 Correct 5 ms 41564 KB Output is correct
13 Correct 6 ms 41564 KB Output is correct
14 Correct 5 ms 41564 KB Output is correct
15 Correct 5 ms 41564 KB Output is correct
16 Correct 5 ms 41688 KB Output is correct
17 Correct 6 ms 41564 KB Output is correct
18 Correct 6 ms 41564 KB Output is correct
19 Correct 5 ms 41564 KB Output is correct
20 Correct 5 ms 41564 KB Output is correct
21 Correct 5 ms 41564 KB Output is correct
22 Correct 6 ms 41564 KB Output is correct
23 Correct 6 ms 41564 KB Output is correct
24 Correct 6 ms 41632 KB Output is correct
25 Correct 5 ms 41564 KB Output is correct
26 Correct 5 ms 41564 KB Output is correct
27 Correct 6 ms 41564 KB Output is correct
28 Correct 6 ms 41684 KB Output is correct
29 Correct 6 ms 41564 KB Output is correct
30 Correct 5 ms 41564 KB Output is correct
31 Correct 6 ms 41620 KB Output is correct
32 Correct 6 ms 41684 KB Output is correct
33 Correct 6 ms 41564 KB Output is correct
34 Correct 6 ms 41564 KB Output is correct
35 Correct 6 ms 41560 KB Output is correct
36 Correct 6 ms 41568 KB Output is correct
37 Correct 6 ms 41568 KB Output is correct
38 Correct 5 ms 41564 KB Output is correct
39 Correct 6 ms 41564 KB Output is correct
40 Correct 6 ms 41564 KB Output is correct
41 Correct 6 ms 41660 KB Output is correct
42 Correct 5 ms 41684 KB Output is correct
43 Correct 5 ms 41564 KB Output is correct
44 Correct 5 ms 41564 KB Output is correct
45 Correct 6 ms 41560 KB Output is correct
46 Correct 5 ms 41564 KB Output is correct
47 Correct 5 ms 41564 KB Output is correct
48 Correct 6 ms 41564 KB Output is correct
49 Correct 5 ms 41608 KB Output is correct
50 Correct 6 ms 41564 KB Output is correct
51 Correct 5 ms 41564 KB Output is correct
52 Correct 6 ms 41564 KB Output is correct
53 Correct 6 ms 41564 KB Output is correct
54 Correct 5 ms 41564 KB Output is correct
55 Correct 6 ms 41684 KB Output is correct
56 Correct 6 ms 41564 KB Output is correct
57 Correct 6 ms 41564 KB Output is correct
58 Correct 9 ms 41564 KB Output is correct
59 Correct 9 ms 41820 KB Output is correct
60 Correct 12 ms 41816 KB Output is correct
61 Correct 41 ms 41820 KB Output is correct
62 Correct 111 ms 42612 KB Output is correct
63 Correct 14 ms 42588 KB Output is correct
64 Correct 60 ms 42616 KB Output is correct
65 Correct 5 ms 41560 KB Output is correct
66 Correct 5 ms 41564 KB Output is correct
67 Correct 6 ms 41680 KB Output is correct
68 Correct 6 ms 41564 KB Output is correct
69 Correct 5 ms 41668 KB Output is correct
70 Correct 6 ms 41564 KB Output is correct
71 Correct 18 ms 41748 KB Output is correct
72 Correct 6 ms 41564 KB Output is correct
73 Correct 10 ms 41564 KB Output is correct
74 Correct 9 ms 41820 KB Output is correct
75 Correct 12 ms 41988 KB Output is correct
76 Correct 51 ms 42020 KB Output is correct
77 Correct 137 ms 42588 KB Output is correct
78 Correct 15 ms 42588 KB Output is correct
79 Correct 69 ms 42608 KB Output is correct
80 Correct 12 ms 42532 KB Output is correct
81 Correct 24 ms 42556 KB Output is correct
82 Correct 143 ms 42616 KB Output is correct
83 Correct 5 ms 41564 KB Output is correct
84 Correct 5 ms 41684 KB Output is correct
85 Correct 16 ms 41720 KB Output is correct
86 Correct 6 ms 41560 KB Output is correct
87 Correct 8 ms 41564 KB Output is correct
88 Correct 9 ms 42052 KB Output is correct
89 Correct 11 ms 42076 KB Output is correct
90 Correct 43 ms 42156 KB Output is correct
91 Correct 123 ms 43340 KB Output is correct
92 Correct 15 ms 42844 KB Output is correct
93 Correct 61 ms 42928 KB Output is correct
94 Correct 6 ms 41560 KB Output is correct
95 Correct 15 ms 41564 KB Output is correct
96 Correct 5 ms 41672 KB Output is correct
97 Correct 10 ms 41564 KB Output is correct
98 Correct 5 ms 41564 KB Output is correct
99 Correct 5 ms 41564 KB Output is correct