oj.uz

Submission #832888

# Submission time Handle Problem Language Result Execution time Memory
832888 2023-08-21T16:17:53 Z fanwen K blocks (IZhO14_blocks) C++17
100 / 100
 135 ms 3540 KB 
#include <bits/stdc++.h>

using namespace std;

#define MASK(x) (1LL << (x))
#define BIT(x, i) (((x) >> (i)) & 1)
#define ALL(x) (x).begin(), (x).end()
#define REP(i, n) for (int i = 0, _n = n; i < _n; ++i)
#define FOR(i, a, b) for (int i = (a), _b = (b); i <= _b; ++i)
#define FORD(i, a, b) for (int i = (a), _b = (b); i >= _b; --i)
#define FORE(i, a, b) for (int i = (a), _b = (b); i < _b; ++i)
#define debug(...) "[" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
#define file(name) if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }

template <class A, class B> bool minimize(A &a, B b)  { if (a > b) { a = b; return true; } return false; }
template <class A, class B> bool maximize(A &a, B b)  { if (a < b) { a = b; return true; } return false; }

const int MAXN = 1e5 + 5;

int n, k, a[MAXN];

void you_make_it(void) {
    cin >> n >> k;
    FOR(i, 1, n) cin >> a[i];
    vector <long long> dp(n + 1, 1e18);
    FOR(i, 1, n) dp[i] = max((i == 1 ? a[i] : dp[i - 1]), 1LL * a[i]);
    FORE(j, 1, k) {
    	vector <long long> new_dp(dp);
    	stack <pair <int, long long>> st;
    	FOR(i, 1, n) {
    		long long _min = dp[i - 1];
    		// new_dp[i] = dp[i - 1] + a[i];
    		while(!st.empty() and a[st.top().first] <= a[i]) {
    			_min = min(_min, st.top().second);
    			st.pop();
    		}
    		if(!st.empty()) new_dp[i] = min(new_dp[st.top().first], _min + a[i]);
    		else new_dp[i] = _min + a[i];
    		st.push(make_pair(i, _min));
    	}
    	dp = new_dp;
    }
    cout << dp[n];
}

signed main() {

#ifdef LOCAL
    freopen("TASK.inp", "r", stdin);
    freopen("TASK.out", "w", stdout);
#endif
    auto start_time = chrono::steady_clock::now();

    cin.tie(0), cout.tie(0) -> sync_with_stdio(0);

    you_make_it();

    auto end_time = chrono::steady_clock::now();

    cerr << "\nExecution time : " << chrono::duration_cast <chrono::milliseconds> (end_time - start_time).count() << "[ms]" << endl;

    return (0 ^ 0);
}

// Dream it. Wish it. Do it.

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 0 ms 328 KB Output is correct
8 Correct 0 ms 268 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 324 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 324 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 324 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 0 ms 328 KB Output is correct
8 Correct 0 ms 268 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 324 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 324 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 324 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 328 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 0 ms 324 KB Output is correct
48 Correct 1 ms 328 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 1 ms 212 KB Output is correct
56 Correct 1 ms 328 KB Output is correct
57 Correct 0 ms 324 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 0 ms 328 KB Output is correct
8 Correct 0 ms 268 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 324 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 324 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 324 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 328 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 0 ms 324 KB Output is correct
48 Correct 1 ms 328 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 1 ms 212 KB Output is correct
56 Correct 1 ms 328 KB Output is correct
57 Correct 0 ms 324 KB Output is correct
58 Correct 3 ms 596 KB Output is correct
59 Correct 4 ms 1108 KB Output is correct
60 Correct 6 ms 1492 KB Output is correct
61 Correct 32 ms 1492 KB Output is correct
62 Correct 93 ms 2900 KB Output is correct
63 Correct 9 ms 2900 KB Output is correct
64 Correct 45 ms 2900 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 0 ms 212 KB Output is correct
67 Correct 0 ms 212 KB Output is correct
68 Correct 0 ms 212 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 1 ms 340 KB Output is correct
71 Correct 12 ms 596 KB Output is correct
72 Correct 1 ms 596 KB Output is correct
73 Correct 4 ms 468 KB Output is correct
74 Correct 3 ms 1108 KB Output is correct
75 Correct 7 ms 1496 KB Output is correct
76 Correct 42 ms 1444 KB Output is correct
77 Correct 123 ms 2876 KB Output is correct
78 Correct 10 ms 2900 KB Output is correct
79 Correct 65 ms 2968 KB Output is correct
80 Correct 7 ms 2132 KB Output is correct
81 Correct 19 ms 2900 KB Output is correct
82 Correct 135 ms 2960 KB Output is correct
83 Correct 1 ms 340 KB Output is correct
84 Correct 1 ms 340 KB Output is correct
85 Correct 11 ms 596 KB Output is correct
86 Correct 1 ms 596 KB Output is correct
87 Correct 4 ms 656 KB Output is correct
88 Correct 3 ms 1108 KB Output is correct
89 Correct 7 ms 1748 KB Output is correct
90 Correct 37 ms 1752 KB Output is correct
91 Correct 108 ms 3540 KB Output is correct
92 Correct 10 ms 3512 KB Output is correct
93 Correct 53 ms 3540 KB Output is correct
94 Correct 1 ms 596 KB Output is correct
95 Correct 8 ms 596 KB Output is correct
96 Correct 1 ms 340 KB Output is correct
97 Correct 1 ms 340 KB Output is correct
98 Correct 0 ms 212 KB Output is correct
99 Correct 0 ms 212 KB Output is correct