oj.uz

Submission #1040600

# Submission time Handle Problem Language Result Execution time Memory
1040600 2024-08-01T07:44:14 Z vjudge1 K blocks (IZhO14_blocks) C++17
100 / 100
 101 ms 84572 KB 
#include <bits/stdc++.h>
#define Y8o "K blocks"
#define maxn (int) 1e5 + 5
#define ll long long
#define pii pair<int, 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".inp", "r"))
    {
        freopen(Y8o".inp", "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 dp[105][maxn];

pii q[maxn]; /// f/s : vtri/gia tri dp[gr - 1] min tu q[c - 1] den q[c] - 1
void calc(int gr) { /// update for dp[gr][i]
    int d = 1, c = 0;
    for(int i = 1; i <= n; i ++) {
        ll mi = dp[gr - 1][i - 1];
        while(d <= c && a[i] >= a[q[c].f]) {
            mi = min(mi, q[c].s);
            c --;
        }
        dp[gr][i] = mi + a[i];
        if(c) dp[gr][i] = min(dp[gr][i], dp[gr][q[c].f]);
        q[++ c] = {i, mi};
    }
}

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

    memset(dp, 0x3f, sizeof dp);
    dp[0][0] = 0;

    for(int i = 1; i <= k; i ++) calc(i);
    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".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 83800 KB Output is correct
2 Correct 10 ms 83804 KB Output is correct
3 Correct 10 ms 83968 KB Output is correct
4 Correct 11 ms 83804 KB Output is correct
5 Correct 10 ms 83824 KB Output is correct
6 Correct 12 ms 84000 KB Output is correct
7 Correct 11 ms 83804 KB Output is correct
8 Correct 12 ms 83804 KB Output is correct
9 Correct 11 ms 83804 KB Output is correct
10 Correct 11 ms 83808 KB Output is correct
11 Correct 10 ms 83984 KB Output is correct
12 Correct 12 ms 83792 KB Output is correct
13 Correct 11 ms 83816 KB Output is correct
14 Correct 10 ms 83800 KB Output is correct
15 Correct 11 ms 83800 KB Output is correct
16 Correct 12 ms 83804 KB Output is correct
17 Correct 11 ms 84044 KB Output is correct
18 Correct 13 ms 83804 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 83800 KB Output is correct
2 Correct 12 ms 83800 KB Output is correct
3 Correct 9 ms 83804 KB Output is correct
4 Correct 10 ms 84004 KB Output is correct
5 Correct 11 ms 83800 KB Output is correct
6 Correct 11 ms 83804 KB Output is correct
7 Correct 13 ms 83812 KB Output is correct
8 Correct 11 ms 83800 KB Output is correct
9 Correct 12 ms 84000 KB Output is correct
10 Correct 11 ms 83860 KB Output is correct
11 Correct 11 ms 84184 KB Output is correct
12 Correct 10 ms 83804 KB Output is correct
13 Correct 10 ms 83804 KB Output is correct
14 Correct 11 ms 84004 KB Output is correct
15 Correct 10 ms 83980 KB Output is correct
16 Correct 10 ms 83944 KB Output is correct
17 Correct 11 ms 83800 KB Output is correct
18 Correct 10 ms 84000 KB Output is correct
19 Correct 10 ms 83804 KB Output is correct
20 Correct 11 ms 83804 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 83800 KB Output is correct
2 Correct 10 ms 83804 KB Output is correct
3 Correct 10 ms 83968 KB Output is correct
4 Correct 11 ms 83804 KB Output is correct
5 Correct 10 ms 83824 KB Output is correct
6 Correct 12 ms 84000 KB Output is correct
7 Correct 11 ms 83804 KB Output is correct
8 Correct 12 ms 83804 KB Output is correct
9 Correct 11 ms 83804 KB Output is correct
10 Correct 11 ms 83808 KB Output is correct
11 Correct 10 ms 83984 KB Output is correct
12 Correct 12 ms 83792 KB Output is correct
13 Correct 11 ms 83816 KB Output is correct
14 Correct 10 ms 83800 KB Output is correct
15 Correct 11 ms 83800 KB Output is correct
16 Correct 12 ms 83804 KB Output is correct
17 Correct 11 ms 84044 KB Output is correct
18 Correct 13 ms 83804 KB Output is correct
19 Correct 13 ms 83800 KB Output is correct
20 Correct 12 ms 83800 KB Output is correct
21 Correct 9 ms 83804 KB Output is correct
22 Correct 10 ms 84004 KB Output is correct
23 Correct 11 ms 83800 KB Output is correct
24 Correct 11 ms 83804 KB Output is correct
25 Correct 13 ms 83812 KB Output is correct
26 Correct 11 ms 83800 KB Output is correct
27 Correct 12 ms 84000 KB Output is correct
28 Correct 11 ms 83860 KB Output is correct
29 Correct 11 ms 84184 KB Output is correct
30 Correct 10 ms 83804 KB Output is correct
31 Correct 10 ms 83804 KB Output is correct
32 Correct 11 ms 84004 KB Output is correct
33 Correct 10 ms 83980 KB Output is correct
34 Correct 10 ms 83944 KB Output is correct
35 Correct 11 ms 83800 KB Output is correct
36 Correct 10 ms 84000 KB Output is correct
37 Correct 10 ms 83804 KB Output is correct
38 Correct 11 ms 83804 KB Output is correct
39 Correct 11 ms 83952 KB Output is correct
40 Correct 11 ms 83800 KB Output is correct
41 Correct 11 ms 83956 KB Output is correct
42 Correct 10 ms 83804 KB Output is correct
43 Correct 9 ms 83812 KB Output is correct
44 Correct 11 ms 83984 KB Output is correct
45 Correct 11 ms 83964 KB Output is correct
46 Correct 11 ms 83808 KB Output is correct
47 Correct 11 ms 83984 KB Output is correct
48 Correct 11 ms 83804 KB Output is correct
49 Correct 11 ms 84020 KB Output is correct
50 Correct 11 ms 84036 KB Output is correct
51 Correct 11 ms 84016 KB Output is correct
52 Correct 12 ms 83808 KB Output is correct
53 Correct 11 ms 83996 KB Output is correct
54 Correct 10 ms 83812 KB Output is correct
55 Correct 10 ms 83812 KB Output is correct
56 Correct 11 ms 83808 KB Output is correct
57 Correct 10 ms 83824 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 83800 KB Output is correct
2 Correct 10 ms 83804 KB Output is correct
3 Correct 10 ms 83968 KB Output is correct
4 Correct 11 ms 83804 KB Output is correct
5 Correct 10 ms 83824 KB Output is correct
6 Correct 12 ms 84000 KB Output is correct
7 Correct 11 ms 83804 KB Output is correct
8 Correct 12 ms 83804 KB Output is correct
9 Correct 11 ms 83804 KB Output is correct
10 Correct 11 ms 83808 KB Output is correct
11 Correct 10 ms 83984 KB Output is correct
12 Correct 12 ms 83792 KB Output is correct
13 Correct 11 ms 83816 KB Output is correct
14 Correct 10 ms 83800 KB Output is correct
15 Correct 11 ms 83800 KB Output is correct
16 Correct 12 ms 83804 KB Output is correct
17 Correct 11 ms 84044 KB Output is correct
18 Correct 13 ms 83804 KB Output is correct
19 Correct 13 ms 83800 KB Output is correct
20 Correct 12 ms 83800 KB Output is correct
21 Correct 9 ms 83804 KB Output is correct
22 Correct 10 ms 84004 KB Output is correct
23 Correct 11 ms 83800 KB Output is correct
24 Correct 11 ms 83804 KB Output is correct
25 Correct 13 ms 83812 KB Output is correct
26 Correct 11 ms 83800 KB Output is correct
27 Correct 12 ms 84000 KB Output is correct
28 Correct 11 ms 83860 KB Output is correct
29 Correct 11 ms 84184 KB Output is correct
30 Correct 10 ms 83804 KB Output is correct
31 Correct 10 ms 83804 KB Output is correct
32 Correct 11 ms 84004 KB Output is correct
33 Correct 10 ms 83980 KB Output is correct
34 Correct 10 ms 83944 KB Output is correct
35 Correct 11 ms 83800 KB Output is correct
36 Correct 10 ms 84000 KB Output is correct
37 Correct 10 ms 83804 KB Output is correct
38 Correct 11 ms 83804 KB Output is correct
39 Correct 11 ms 83952 KB Output is correct
40 Correct 11 ms 83800 KB Output is correct
41 Correct 11 ms 83956 KB Output is correct
42 Correct 10 ms 83804 KB Output is correct
43 Correct 9 ms 83812 KB Output is correct
44 Correct 11 ms 83984 KB Output is correct
45 Correct 11 ms 83964 KB Output is correct
46 Correct 11 ms 83808 KB Output is correct
47 Correct 11 ms 83984 KB Output is correct
48 Correct 11 ms 83804 KB Output is correct
49 Correct 11 ms 84020 KB Output is correct
50 Correct 11 ms 84036 KB Output is correct
51 Correct 11 ms 84016 KB Output is correct
52 Correct 12 ms 83808 KB Output is correct
53 Correct 11 ms 83996 KB Output is correct
54 Correct 10 ms 83812 KB Output is correct
55 Correct 10 ms 83812 KB Output is correct
56 Correct 11 ms 83808 KB Output is correct
57 Correct 10 ms 83824 KB Output is correct
58 Correct 11 ms 84060 KB Output is correct
59 Correct 13 ms 84060 KB Output is correct
60 Correct 14 ms 84232 KB Output is correct
61 Correct 37 ms 84200 KB Output is correct
62 Correct 95 ms 84320 KB Output is correct
63 Correct 18 ms 84392 KB Output is correct
64 Correct 47 ms 84316 KB Output is correct
65 Correct 10 ms 83808 KB Output is correct
66 Correct 10 ms 83804 KB Output is correct
67 Correct 12 ms 83824 KB Output is correct
68 Correct 10 ms 84004 KB Output is correct
69 Correct 12 ms 83804 KB Output is correct
70 Correct 10 ms 84020 KB Output is correct
71 Correct 14 ms 84064 KB Output is correct
72 Correct 10 ms 84044 KB Output is correct
73 Correct 11 ms 84056 KB Output is correct
74 Correct 11 ms 83984 KB Output is correct
75 Correct 14 ms 84196 KB Output is correct
76 Correct 38 ms 84060 KB Output is correct
77 Correct 101 ms 84312 KB Output is correct
78 Correct 18 ms 84316 KB Output is correct
79 Correct 53 ms 84440 KB Output is correct
80 Correct 18 ms 84340 KB Output is correct
81 Correct 25 ms 84324 KB Output is correct
82 Correct 99 ms 84412 KB Output is correct
83 Correct 10 ms 84060 KB Output is correct
84 Correct 11 ms 84060 KB Output is correct
85 Correct 17 ms 84060 KB Output is correct
86 Correct 11 ms 84056 KB Output is correct
87 Correct 11 ms 84060 KB Output is correct
88 Correct 12 ms 84316 KB Output is correct
89 Correct 14 ms 84252 KB Output is correct
90 Correct 41 ms 84316 KB Output is correct
91 Correct 81 ms 84384 KB Output is correct
92 Correct 17 ms 84568 KB Output is correct
93 Correct 44 ms 84572 KB Output is correct
94 Correct 11 ms 84060 KB Output is correct
95 Correct 13 ms 84008 KB Output is correct
96 Correct 11 ms 83804 KB Output is correct
97 Correct 10 ms 84036 KB Output is correct
98 Correct 12 ms 83804 KB Output is correct
99 Correct 10 ms 83928 KB Output is correct