oj.uz

Submission #1040599

# Submission time Handle Problem Language Result Execution time Memory
1040599 2024-08-01T07:44:02 Z Yang8on K blocks (IZhO14_blocks) C++14
100 / 100
 113 ms 85336 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".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 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".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 11 ms 83800 KB Output is correct
2 Correct 10 ms 83804 KB Output is correct
3 Correct 9 ms 83992 KB Output is correct
4 Correct 11 ms 83804 KB Output is correct
5 Correct 10 ms 83804 KB Output is correct
6 Correct 13 ms 83932 KB Output is correct
7 Correct 10 ms 83800 KB Output is correct
8 Correct 10 ms 83804 KB Output is correct
9 Correct 11 ms 83804 KB Output is correct
10 Correct 11 ms 83968 KB Output is correct
11 Correct 10 ms 84008 KB Output is correct
12 Correct 11 ms 83808 KB Output is correct
13 Correct 10 ms 83804 KB Output is correct
14 Correct 10 ms 83804 KB Output is correct
15 Correct 10 ms 83864 KB Output is correct
16 Correct 10 ms 83800 KB Output is correct
17 Correct 11 ms 83804 KB Output is correct
18 Correct 10 ms 83940 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 83804 KB Output is correct
2 Correct 10 ms 84000 KB Output is correct
3 Correct 10 ms 83800 KB Output is correct
4 Correct 10 ms 83804 KB Output is correct
5 Correct 11 ms 83820 KB Output is correct
6 Correct 10 ms 83996 KB Output is correct
7 Correct 11 ms 83824 KB Output is correct
8 Correct 11 ms 84040 KB Output is correct
9 Correct 10 ms 83804 KB Output is correct
10 Correct 11 ms 83804 KB Output is correct
11 Correct 11 ms 83804 KB Output is correct
12 Correct 10 ms 83804 KB Output is correct
13 Correct 11 ms 83996 KB Output is correct
14 Correct 10 ms 83804 KB Output is correct
15 Correct 10 ms 83804 KB Output is correct
16 Correct 10 ms 83804 KB Output is correct
17 Correct 11 ms 83804 KB Output is correct
18 Correct 10 ms 83804 KB Output is correct
19 Correct 10 ms 83804 KB Output is correct
20 Correct 10 ms 83812 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 9 ms 83992 KB Output is correct
4 Correct 11 ms 83804 KB Output is correct
5 Correct 10 ms 83804 KB Output is correct
6 Correct 13 ms 83932 KB Output is correct
7 Correct 10 ms 83800 KB Output is correct
8 Correct 10 ms 83804 KB Output is correct
9 Correct 11 ms 83804 KB Output is correct
10 Correct 11 ms 83968 KB Output is correct
11 Correct 10 ms 84008 KB Output is correct
12 Correct 11 ms 83808 KB Output is correct
13 Correct 10 ms 83804 KB Output is correct
14 Correct 10 ms 83804 KB Output is correct
15 Correct 10 ms 83864 KB Output is correct
16 Correct 10 ms 83800 KB Output is correct
17 Correct 11 ms 83804 KB Output is correct
18 Correct 10 ms 83940 KB Output is correct
19 Correct 11 ms 83804 KB Output is correct
20 Correct 10 ms 84000 KB Output is correct
21 Correct 10 ms 83800 KB Output is correct
22 Correct 10 ms 83804 KB Output is correct
23 Correct 11 ms 83820 KB Output is correct
24 Correct 10 ms 83996 KB Output is correct
25 Correct 11 ms 83824 KB Output is correct
26 Correct 11 ms 84040 KB Output is correct
27 Correct 10 ms 83804 KB Output is correct
28 Correct 11 ms 83804 KB Output is correct
29 Correct 11 ms 83804 KB Output is correct
30 Correct 10 ms 83804 KB Output is correct
31 Correct 11 ms 83996 KB Output is correct
32 Correct 10 ms 83804 KB Output is correct
33 Correct 10 ms 83804 KB Output is correct
34 Correct 10 ms 83804 KB Output is correct
35 Correct 11 ms 83804 KB Output is correct
36 Correct 10 ms 83804 KB Output is correct
37 Correct 10 ms 83804 KB Output is correct
38 Correct 10 ms 83812 KB Output is correct
39 Correct 11 ms 83800 KB Output is correct
40 Correct 10 ms 83804 KB Output is correct
41 Correct 10 ms 83812 KB Output is correct
42 Correct 13 ms 84048 KB Output is correct
43 Correct 11 ms 84056 KB Output is correct
44 Correct 10 ms 83804 KB Output is correct
45 Correct 10 ms 83804 KB Output is correct
46 Correct 10 ms 83804 KB Output is correct
47 Correct 11 ms 83804 KB Output is correct
48 Correct 10 ms 83924 KB Output is correct
49 Correct 10 ms 83804 KB Output is correct
50 Correct 11 ms 83972 KB Output is correct
51 Correct 10 ms 83804 KB Output is correct
52 Correct 10 ms 83804 KB Output is correct
53 Correct 10 ms 83932 KB Output is correct
54 Correct 10 ms 83804 KB Output is correct
55 Correct 13 ms 83804 KB Output is correct
56 Correct 11 ms 83804 KB Output is correct
57 Correct 10 ms 84044 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 9 ms 83992 KB Output is correct
4 Correct 11 ms 83804 KB Output is correct
5 Correct 10 ms 83804 KB Output is correct
6 Correct 13 ms 83932 KB Output is correct
7 Correct 10 ms 83800 KB Output is correct
8 Correct 10 ms 83804 KB Output is correct
9 Correct 11 ms 83804 KB Output is correct
10 Correct 11 ms 83968 KB Output is correct
11 Correct 10 ms 84008 KB Output is correct
12 Correct 11 ms 83808 KB Output is correct
13 Correct 10 ms 83804 KB Output is correct
14 Correct 10 ms 83804 KB Output is correct
15 Correct 10 ms 83864 KB Output is correct
16 Correct 10 ms 83800 KB Output is correct
17 Correct 11 ms 83804 KB Output is correct
18 Correct 10 ms 83940 KB Output is correct
19 Correct 11 ms 83804 KB Output is correct
20 Correct 10 ms 84000 KB Output is correct
21 Correct 10 ms 83800 KB Output is correct
22 Correct 10 ms 83804 KB Output is correct
23 Correct 11 ms 83820 KB Output is correct
24 Correct 10 ms 83996 KB Output is correct
25 Correct 11 ms 83824 KB Output is correct
26 Correct 11 ms 84040 KB Output is correct
27 Correct 10 ms 83804 KB Output is correct
28 Correct 11 ms 83804 KB Output is correct
29 Correct 11 ms 83804 KB Output is correct
30 Correct 10 ms 83804 KB Output is correct
31 Correct 11 ms 83996 KB Output is correct
32 Correct 10 ms 83804 KB Output is correct
33 Correct 10 ms 83804 KB Output is correct
34 Correct 10 ms 83804 KB Output is correct
35 Correct 11 ms 83804 KB Output is correct
36 Correct 10 ms 83804 KB Output is correct
37 Correct 10 ms 83804 KB Output is correct
38 Correct 10 ms 83812 KB Output is correct
39 Correct 11 ms 83800 KB Output is correct
40 Correct 10 ms 83804 KB Output is correct
41 Correct 10 ms 83812 KB Output is correct
42 Correct 13 ms 84048 KB Output is correct
43 Correct 11 ms 84056 KB Output is correct
44 Correct 10 ms 83804 KB Output is correct
45 Correct 10 ms 83804 KB Output is correct
46 Correct 10 ms 83804 KB Output is correct
47 Correct 11 ms 83804 KB Output is correct
48 Correct 10 ms 83924 KB Output is correct
49 Correct 10 ms 83804 KB Output is correct
50 Correct 11 ms 83972 KB Output is correct
51 Correct 10 ms 83804 KB Output is correct
52 Correct 10 ms 83804 KB Output is correct
53 Correct 10 ms 83932 KB Output is correct
54 Correct 10 ms 83804 KB Output is correct
55 Correct 13 ms 83804 KB Output is correct
56 Correct 11 ms 83804 KB Output is correct
57 Correct 10 ms 84044 KB Output is correct
58 Correct 12 ms 84040 KB Output is correct
59 Correct 13 ms 84532 KB Output is correct
60 Correct 15 ms 84312 KB Output is correct
61 Correct 34 ms 84312 KB Output is correct
62 Correct 79 ms 85080 KB Output is correct
63 Correct 23 ms 85072 KB Output is correct
64 Correct 43 ms 85084 KB Output is correct
65 Correct 10 ms 83804 KB Output is correct
66 Correct 11 ms 83804 KB Output is correct
67 Correct 10 ms 83936 KB Output is correct
68 Correct 11 ms 83800 KB Output is correct
69 Correct 10 ms 84060 KB Output is correct
70 Correct 10 ms 83808 KB Output is correct
71 Correct 15 ms 83932 KB Output is correct
72 Correct 11 ms 84056 KB Output is correct
73 Correct 12 ms 84060 KB Output is correct
74 Correct 13 ms 84452 KB Output is correct
75 Correct 15 ms 84316 KB Output is correct
76 Correct 43 ms 84316 KB Output is correct
77 Correct 100 ms 85088 KB Output is correct
78 Correct 17 ms 85336 KB Output is correct
79 Correct 60 ms 85084 KB Output is correct
80 Correct 15 ms 85076 KB Output is correct
81 Correct 23 ms 85124 KB Output is correct
82 Correct 113 ms 85084 KB Output is correct
83 Correct 11 ms 84060 KB Output is correct
84 Correct 10 ms 83956 KB Output is correct
85 Correct 14 ms 84060 KB Output is correct
86 Correct 12 ms 84060 KB Output is correct
87 Correct 12 ms 84060 KB Output is correct
88 Correct 13 ms 84572 KB Output is correct
89 Correct 14 ms 84572 KB Output is correct
90 Correct 35 ms 84572 KB Output is correct
91 Correct 96 ms 85072 KB Output is correct
92 Correct 18 ms 85080 KB Output is correct
93 Correct 45 ms 85272 KB Output is correct
94 Correct 11 ms 84008 KB Output is correct
95 Correct 14 ms 84060 KB Output is correct
96 Correct 11 ms 84060 KB Output is correct
97 Correct 10 ms 84060 KB Output is correct
98 Correct 11 ms 83800 KB Output is correct
99 Correct 11 ms 83940 KB Output is correct