oj.uz

Submission #1040336

# Submission time Handle Problem Language Result Execution time Memory
1040336 2024-08-01T01:36:01 Z Yang8on K blocks (IZhO14_blocks) C++14
53 / 100
 1000 ms 83420 KB 
#include <bits/stdc++.h>
#define Y8o "K blocks"
#define maxn (int) 1e5 + 5
#define ll long long
#define pii pair<ll, ll>
#define gb(i, j) ((i >> j) & 1)
#define all(x) x.begin(), x.end()
#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(Y8o".in", "r"))
    {
        freopen(Y8o".in", "r", stdin);
        freopen(Y8o".out", "w", stdout);
    }
    ios_base::sync_with_stdio(0);
    cin.tie(NULL), cout.tie(NULL);
}
void ctime() {
    cerr << "\n" << "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n";
}


int n, k;
int a[maxn];
ll s[maxn], dp[105][maxn];

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

    memset(dp, 0x3f, sizeof dp);

    int mx2 = 0;
    for(int i = 1; i <= n; i ++) mx2 = max(mx2, a[i]), dp[1][i] = mx2;

    for(int i = 2; i <= k; i ++) {
        for(int j = 1; j <= n; j ++) {
            int mx = 0;
            for(int t = j; t >= 1; t --) {
                mx = max(mx, a[t]);
                dp[i][j] = min(dp[i][j], dp[i - 1][t - 1] + mx);
            }
        }
    }

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


int main()
{
    iof();

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

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

    ctime();
    return 0;
}

Compilation message

blocks.cpp: In function 'void iof()':
blocks.cpp:23:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |         freopen(Y8o".in", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
blocks.cpp:24:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |         freopen(Y8o".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 82524 KB Output is correct
2 Correct 20 ms 82424 KB Output is correct
3 Correct 22 ms 82520 KB Output is correct
4 Correct 21 ms 82524 KB Output is correct
5 Correct 21 ms 82428 KB Output is correct
6 Correct 21 ms 82588 KB Output is correct
7 Correct 21 ms 82520 KB Output is correct
8 Correct 21 ms 82524 KB Output is correct
9 Correct 20 ms 82516 KB Output is correct
10 Correct 20 ms 82524 KB Output is correct
11 Correct 24 ms 82640 KB Output is correct
12 Correct 21 ms 82584 KB Output is correct
13 Correct 20 ms 82520 KB Output is correct
14 Correct 21 ms 82520 KB Output is correct
15 Correct 21 ms 82516 KB Output is correct
16 Correct 21 ms 82524 KB Output is correct
17 Correct 21 ms 82612 KB Output is correct
18 Correct 20 ms 82592 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 82512 KB Output is correct
2 Correct 21 ms 82524 KB Output is correct
3 Correct 22 ms 82628 KB Output is correct
4 Correct 20 ms 82528 KB Output is correct
5 Correct 20 ms 82600 KB Output is correct
6 Correct 20 ms 82536 KB Output is correct
7 Correct 20 ms 82512 KB Output is correct
8 Correct 21 ms 82528 KB Output is correct
9 Correct 21 ms 82528 KB Output is correct
10 Correct 20 ms 82528 KB Output is correct
11 Correct 20 ms 82552 KB Output is correct
12 Correct 20 ms 82536 KB Output is correct
13 Correct 21 ms 82580 KB Output is correct
14 Correct 21 ms 82520 KB Output is correct
15 Correct 20 ms 82536 KB Output is correct
16 Correct 21 ms 82556 KB Output is correct
17 Correct 20 ms 82536 KB Output is correct
18 Correct 20 ms 82536 KB Output is correct
19 Correct 20 ms 82568 KB Output is correct
20 Correct 21 ms 82420 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 82524 KB Output is correct
2 Correct 20 ms 82424 KB Output is correct
3 Correct 22 ms 82520 KB Output is correct
4 Correct 21 ms 82524 KB Output is correct
5 Correct 21 ms 82428 KB Output is correct
6 Correct 21 ms 82588 KB Output is correct
7 Correct 21 ms 82520 KB Output is correct
8 Correct 21 ms 82524 KB Output is correct
9 Correct 20 ms 82516 KB Output is correct
10 Correct 20 ms 82524 KB Output is correct
11 Correct 24 ms 82640 KB Output is correct
12 Correct 21 ms 82584 KB Output is correct
13 Correct 20 ms 82520 KB Output is correct
14 Correct 21 ms 82520 KB Output is correct
15 Correct 21 ms 82516 KB Output is correct
16 Correct 21 ms 82524 KB Output is correct
17 Correct 21 ms 82612 KB Output is correct
18 Correct 20 ms 82592 KB Output is correct
19 Correct 21 ms 82512 KB Output is correct
20 Correct 21 ms 82524 KB Output is correct
21 Correct 22 ms 82628 KB Output is correct
22 Correct 20 ms 82528 KB Output is correct
23 Correct 20 ms 82600 KB Output is correct
24 Correct 20 ms 82536 KB Output is correct
25 Correct 20 ms 82512 KB Output is correct
26 Correct 21 ms 82528 KB Output is correct
27 Correct 21 ms 82528 KB Output is correct
28 Correct 20 ms 82528 KB Output is correct
29 Correct 20 ms 82552 KB Output is correct
30 Correct 20 ms 82536 KB Output is correct
31 Correct 21 ms 82580 KB Output is correct
32 Correct 21 ms 82520 KB Output is correct
33 Correct 20 ms 82536 KB Output is correct
34 Correct 21 ms 82556 KB Output is correct
35 Correct 20 ms 82536 KB Output is correct
36 Correct 20 ms 82536 KB Output is correct
37 Correct 20 ms 82568 KB Output is correct
38 Correct 21 ms 82420 KB Output is correct
39 Correct 23 ms 82524 KB Output is correct
40 Correct 22 ms 82432 KB Output is correct
41 Correct 21 ms 82512 KB Output is correct
42 Correct 21 ms 82524 KB Output is correct
43 Correct 21 ms 82520 KB Output is correct
44 Correct 20 ms 82520 KB Output is correct
45 Correct 20 ms 82524 KB Output is correct
46 Correct 20 ms 82420 KB Output is correct
47 Correct 20 ms 82588 KB Output is correct
48 Correct 20 ms 82524 KB Output is correct
49 Correct 20 ms 82524 KB Output is correct
50 Correct 20 ms 82524 KB Output is correct
51 Correct 20 ms 82636 KB Output is correct
52 Correct 22 ms 82572 KB Output is correct
53 Correct 21 ms 82464 KB Output is correct
54 Correct 20 ms 82620 KB Output is correct
55 Correct 20 ms 82524 KB Output is correct
56 Correct 21 ms 82524 KB Output is correct
57 Correct 21 ms 82524 KB Output is correct

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 82524 KB Output is correct
2 Correct 20 ms 82424 KB Output is correct
3 Correct 22 ms 82520 KB Output is correct
4 Correct 21 ms 82524 KB Output is correct
5 Correct 21 ms 82428 KB Output is correct
6 Correct 21 ms 82588 KB Output is correct
7 Correct 21 ms 82520 KB Output is correct
8 Correct 21 ms 82524 KB Output is correct
9 Correct 20 ms 82516 KB Output is correct
10 Correct 20 ms 82524 KB Output is correct
11 Correct 24 ms 82640 KB Output is correct
12 Correct 21 ms 82584 KB Output is correct
13 Correct 20 ms 82520 KB Output is correct
14 Correct 21 ms 82520 KB Output is correct
15 Correct 21 ms 82516 KB Output is correct
16 Correct 21 ms 82524 KB Output is correct
17 Correct 21 ms 82612 KB Output is correct
18 Correct 20 ms 82592 KB Output is correct
19 Correct 21 ms 82512 KB Output is correct
20 Correct 21 ms 82524 KB Output is correct
21 Correct 22 ms 82628 KB Output is correct
22 Correct 20 ms 82528 KB Output is correct
23 Correct 20 ms 82600 KB Output is correct
24 Correct 20 ms 82536 KB Output is correct
25 Correct 20 ms 82512 KB Output is correct
26 Correct 21 ms 82528 KB Output is correct
27 Correct 21 ms 82528 KB Output is correct
28 Correct 20 ms 82528 KB Output is correct
29 Correct 20 ms 82552 KB Output is correct
30 Correct 20 ms 82536 KB Output is correct
31 Correct 21 ms 82580 KB Output is correct
32 Correct 21 ms 82520 KB Output is correct
33 Correct 20 ms 82536 KB Output is correct
34 Correct 21 ms 82556 KB Output is correct
35 Correct 20 ms 82536 KB Output is correct
36 Correct 20 ms 82536 KB Output is correct
37 Correct 20 ms 82568 KB Output is correct
38 Correct 21 ms 82420 KB Output is correct
39 Correct 23 ms 82524 KB Output is correct
40 Correct 22 ms 82432 KB Output is correct
41 Correct 21 ms 82512 KB Output is correct
42 Correct 21 ms 82524 KB Output is correct
43 Correct 21 ms 82520 KB Output is correct
44 Correct 20 ms 82520 KB Output is correct
45 Correct 20 ms 82524 KB Output is correct
46 Correct 20 ms 82420 KB Output is correct
47 Correct 20 ms 82588 KB Output is correct
48 Correct 20 ms 82524 KB Output is correct
49 Correct 20 ms 82524 KB Output is correct
50 Correct 20 ms 82524 KB Output is correct
51 Correct 20 ms 82636 KB Output is correct
52 Correct 22 ms 82572 KB Output is correct
53 Correct 21 ms 82464 KB Output is correct
54 Correct 20 ms 82620 KB Output is correct
55 Correct 20 ms 82524 KB Output is correct
56 Correct 21 ms 82524 KB Output is correct
57 Correct 21 ms 82524 KB Output is correct
58 Correct 874 ms 82824 KB Output is correct
59 Correct 24 ms 83420 KB Output is correct
60 Execution timed out 1073 ms 83400 KB Time limit exceeded
61 Halted 0 ms 0 KB -