oj.uz

Submission #1043861

# Submission time Handle Problem Language Result Execution time Memory
1043861 2024-08-05T01:53:21 Z vjudge1 K blocks (IZhO14_blocks) C++17
100 / 100
 98 ms 42072 KB 
#include <bits/stdc++.h>
#define file "main"
#define maxn (int) 1e5 + 5
#define pii pair<int, int>
#define ll long long
#define gb(i, j) ((i >> j) & 1)
#define _left id * 2, l, mid
#define _right id * 2 + 1, mid + 1, r

#define f first
#define s second

using namespace std;

mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll GetRandom(ll l, ll r) {
    return uniform_int_distribution<ll> (l, r) (rng);
}

void iof() {
    if(fopen(file".inp", "r")) {
        freopen(file".inp", "r", stdin);
//        freopen(file".out", "w", stdout);
    }
    ios_base::sync_with_stdio(0);
    cin.tie(NULL), cout.tie(NULL);
}

int n, k;
int a[maxn];
int dp[105][maxn];
pii q[maxn];

void solve() {
    cin >> n >> k;
    for(int i = 1; i <= n; i ++) cin >> a[i];

    for(int i = 0; i <= k; i ++) for(int j = 0; j <= n; j ++)
        dp[i][j] = 1e9;
    dp[0][0] = 0;

    for(int _ = 1; _ <= k; _ ++) {
        int d = 1, c = 0;
        for(int i = 1; i <= n; i ++) {
            int Mi = dp[_ - 1][i - 1];
            while(d <= c && a[i] >= a[q[c].f]) {
                Mi = min(Mi, q[c].s);
                c --;
            }
            dp[_][i] = Mi + a[i];
            if(c) dp[_][i] = min(dp[_][i], dp[_][q[c].f]);
            q[++ c] = {i, Mi};
        }
    }

    cout << dp[k][n];
}

int main()
{
    iof();

    int nTest = 1;
//    cin >> nTest;

    while(nTest --) {
        solve();
    }

    return 0;
}

Compilation message

blocks.cpp: In function 'void iof()':
blocks.cpp:22:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |         freopen(file".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 0 ms 4444 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 0 ms 4444 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2520 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 0 ms 4444 KB Output is correct
12 Correct 0 ms 4444 KB Output is correct
13 Correct 1 ms 4440 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 8540 KB Output is correct
17 Correct 1 ms 8540 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 1 ms 8540 KB Output is correct
20 Correct 1 ms 8540 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 0 ms 4444 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 0 ms 4444 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 0 ms 2396 KB Output is correct
24 Correct 0 ms 2396 KB Output is correct
25 Correct 0 ms 2520 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct
27 Correct 0 ms 2396 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 0 ms 4444 KB Output is correct
30 Correct 0 ms 4444 KB Output is correct
31 Correct 1 ms 4440 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 1 ms 6492 KB Output is correct
34 Correct 1 ms 8540 KB Output is correct
35 Correct 1 ms 8540 KB Output is correct
36 Correct 1 ms 6492 KB Output is correct
37 Correct 1 ms 8540 KB Output is correct
38 Correct 1 ms 8540 KB Output is correct
39 Correct 2 ms 20824 KB Output is correct
40 Correct 0 ms 2392 KB Output is correct
41 Correct 0 ms 2396 KB Output is correct
42 Correct 0 ms 2396 KB Output is correct
43 Correct 0 ms 2456 KB Output is correct
44 Correct 0 ms 2396 KB Output is correct
45 Correct 0 ms 2396 KB Output is correct
46 Correct 0 ms 2396 KB Output is correct
47 Correct 0 ms 2396 KB Output is correct
48 Correct 0 ms 2396 KB Output is correct
49 Correct 1 ms 4444 KB Output is correct
50 Correct 0 ms 4444 KB Output is correct
51 Correct 1 ms 12636 KB Output is correct
52 Correct 1 ms 12636 KB Output is correct
53 Correct 4 ms 41308 KB Output is correct
54 Correct 3 ms 41476 KB Output is correct
55 Correct 2 ms 22876 KB Output is correct
56 Correct 4 ms 41308 KB Output is correct
57 Correct 4 ms 41468 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 0 ms 4444 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 0 ms 4444 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 0 ms 2396 KB Output is correct
24 Correct 0 ms 2396 KB Output is correct
25 Correct 0 ms 2520 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct
27 Correct 0 ms 2396 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 0 ms 4444 KB Output is correct
30 Correct 0 ms 4444 KB Output is correct
31 Correct 1 ms 4440 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 1 ms 6492 KB Output is correct
34 Correct 1 ms 8540 KB Output is correct
35 Correct 1 ms 8540 KB Output is correct
36 Correct 1 ms 6492 KB Output is correct
37 Correct 1 ms 8540 KB Output is correct
38 Correct 1 ms 8540 KB Output is correct
39 Correct 2 ms 20824 KB Output is correct
40 Correct 0 ms 2392 KB Output is correct
41 Correct 0 ms 2396 KB Output is correct
42 Correct 0 ms 2396 KB Output is correct
43 Correct 0 ms 2456 KB Output is correct
44 Correct 0 ms 2396 KB Output is correct
45 Correct 0 ms 2396 KB Output is correct
46 Correct 0 ms 2396 KB Output is correct
47 Correct 0 ms 2396 KB Output is correct
48 Correct 0 ms 2396 KB Output is correct
49 Correct 1 ms 4444 KB Output is correct
50 Correct 0 ms 4444 KB Output is correct
51 Correct 1 ms 12636 KB Output is correct
52 Correct 1 ms 12636 KB Output is correct
53 Correct 4 ms 41308 KB Output is correct
54 Correct 3 ms 41476 KB Output is correct
55 Correct 2 ms 22876 KB Output is correct
56 Correct 4 ms 41308 KB Output is correct
57 Correct 4 ms 41468 KB Output is correct
58 Correct 2 ms 12636 KB Output is correct
59 Correct 3 ms 2652 KB Output is correct
60 Correct 4 ms 4700 KB Output is correct
61 Correct 25 ms 31416 KB Output is correct
62 Correct 78 ms 42072 KB Output is correct
63 Correct 7 ms 4952 KB Output is correct
64 Correct 35 ms 21340 KB Output is correct
65 Correct 1 ms 12632 KB Output is correct
66 Correct 2 ms 20824 KB Output is correct
67 Correct 2 ms 20828 KB Output is correct
68 Correct 3 ms 20824 KB Output is correct
69 Correct 0 ms 2396 KB Output is correct
70 Correct 1 ms 6492 KB Output is correct
71 Correct 9 ms 41308 KB Output is correct
72 Correct 1 ms 2396 KB Output is correct
73 Correct 3 ms 12640 KB Output is correct
74 Correct 2 ms 2656 KB Output is correct
75 Correct 5 ms 4748 KB Output is correct
76 Correct 36 ms 31324 KB Output is correct
77 Correct 98 ms 41872 KB Output is correct
78 Correct 7 ms 4956 KB Output is correct
79 Correct 45 ms 21340 KB Output is correct
80 Correct 6 ms 2652 KB Output is correct
81 Correct 13 ms 7004 KB Output is correct
82 Correct 94 ms 41820 KB Output is correct
83 Correct 1 ms 2396 KB Output is correct
84 Correct 1 ms 6492 KB Output is correct
85 Correct 6 ms 41564 KB Output is correct
86 Correct 1 ms 2396 KB Output is correct
87 Correct 2 ms 12636 KB Output is correct
88 Correct 3 ms 2652 KB Output is correct
89 Correct 4 ms 4612 KB Output is correct
90 Correct 26 ms 31372 KB Output is correct
91 Correct 76 ms 42048 KB Output is correct
92 Correct 8 ms 4952 KB Output is correct
93 Correct 38 ms 21340 KB Output is correct
94 Correct 1 ms 2396 KB Output is correct
95 Correct 6 ms 41308 KB Output is correct
96 Correct 1 ms 6492 KB Output is correct
97 Correct 0 ms 2396 KB Output is correct
98 Correct 0 ms 4444 KB Output is correct
99 Correct 1 ms 4696 KB Output is correct