oj.uz

Submission #915044

# Submission time Handle Problem Language Result Execution time Memory
915044 2024-01-23T08:39:47 Z Whisper K blocks (IZhO14_blocks) C++17
100 / 100
 201 ms 160668 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;
using T = tuple<ll, ll, ll>;

#define int long long
#define Base 41
#define sz(a) (int)a.size()
#define FOR(i, a, b) for ( int i = a ; i <= b ; i++ )
#define FORD(i, a, b) for (int i = b; i >= a; i --)
#define REP(i, n) for (int i = 0; i < n; ++i)
#define REPD(i, n) for (int i = n - 1; i >= 0; --i)
#define all(x) x.begin() , x.end()
#define pii pair<int , int>
#define fi first
#define se second
#define Lg(x) 31 - __builtin_clz(x)

#define MASK(i) (1LL << (i))
#define BIT(x, i) (((x) >> (i)) & 1)

constexpr ll LINF = (1ll << 60);
constexpr int INF = (1ll << 30);
constexpr int MAX = 2e5 + 5;
constexpr int Mod = 1e9 + 7;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

void setupIO(){
    #define name "Whisper"
    //Phu Trong from Nguyen Tat Thanh High School for gifted student
    srand(time(NULL));
    cin.tie(nullptr)->sync_with_stdio(false); cout.tie(nullptr);
    //freopen(name".inp", "r", stdin);
    //freopen(name".out", "w", stdout);
    cout << fixed << setprecision(10);
}

template <class X, class Y>
    bool minimize(X &x, const Y &y){
        X eps = 1e-9;
        if (x > y + eps) {x = y; return 1;}
        return 0;
    }

template <class X, class Y>
    bool maximize(X &x, const Y &y){
        X eps = 1e-9;
        if (x + eps < y) {x = y; return 1;}
        return 0;
    }
int a[MAX];
int N, K;
int dp[MAX][101];

void Whisper(){
    cin >> N >> K;
    for (int i = 1; i <= N; ++i) cin >> a[i];
    memset(dp, 0x3f, sizeof dp);
    dp[0][1] = 0;
    for (int i = 1; i <= N; ++i) dp[i][1] = max(dp[i - 1][1], a[i]);
    for (int k = 2; k <= K; ++k){
        stack<pii> st;
        for (int i = k; i <= N; ++i){
            int minVal = dp[i - 1][k - 1];
            while (st.size() && a[st.top().se] <= a[i]){
                minimize(minVal, st.top().fi);
                st.pop();
            }

            int pos = (st.empty() ? 0 : st.top().se);
            dp[i][k] = min(dp[pos][k], minVal + a[i]);

            st.push({minVal, i});
        }
    }
    cout << dp[N][K];
}


signed main(){
    setupIO();
    int Test = 1;
//    cin >> Test;
    for ( int i = 1 ; i <= Test ; i++ ){
        Whisper();
        if (i < Test) cout << '\n';
    }
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 158548 KB Output is correct
2 Correct 44 ms 158480 KB Output is correct
3 Correct 42 ms 158544 KB Output is correct
4 Correct 43 ms 158532 KB Output is correct
5 Correct 44 ms 158548 KB Output is correct
6 Correct 43 ms 158476 KB Output is correct
7 Correct 46 ms 158632 KB Output is correct
8 Correct 44 ms 158544 KB Output is correct
9 Correct 43 ms 158548 KB Output is correct
10 Correct 42 ms 158548 KB Output is correct
11 Correct 43 ms 158492 KB Output is correct
12 Correct 44 ms 158588 KB Output is correct
13 Correct 42 ms 158420 KB Output is correct
14 Correct 42 ms 158556 KB Output is correct
15 Correct 43 ms 158408 KB Output is correct
16 Correct 44 ms 158548 KB Output is correct
17 Correct 44 ms 158544 KB Output is correct
18 Correct 45 ms 158548 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 158552 KB Output is correct
2 Correct 43 ms 158544 KB Output is correct
3 Correct 43 ms 158588 KB Output is correct
4 Correct 43 ms 158548 KB Output is correct
5 Correct 44 ms 158548 KB Output is correct
6 Correct 47 ms 158720 KB Output is correct
7 Correct 43 ms 158544 KB Output is correct
8 Correct 43 ms 158548 KB Output is correct
9 Correct 44 ms 158432 KB Output is correct
10 Correct 43 ms 158548 KB Output is correct
11 Correct 44 ms 158548 KB Output is correct
12 Correct 45 ms 158672 KB Output is correct
13 Correct 44 ms 158556 KB Output is correct
14 Correct 43 ms 158548 KB Output is correct
15 Correct 42 ms 158548 KB Output is correct
16 Correct 42 ms 158544 KB Output is correct
17 Correct 44 ms 158544 KB Output is correct
18 Correct 43 ms 158544 KB Output is correct
19 Correct 42 ms 158548 KB Output is correct
20 Correct 45 ms 158544 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 158548 KB Output is correct
2 Correct 44 ms 158480 KB Output is correct
3 Correct 42 ms 158544 KB Output is correct
4 Correct 43 ms 158532 KB Output is correct
5 Correct 44 ms 158548 KB Output is correct
6 Correct 43 ms 158476 KB Output is correct
7 Correct 46 ms 158632 KB Output is correct
8 Correct 44 ms 158544 KB Output is correct
9 Correct 43 ms 158548 KB Output is correct
10 Correct 42 ms 158548 KB Output is correct
11 Correct 43 ms 158492 KB Output is correct
12 Correct 44 ms 158588 KB Output is correct
13 Correct 42 ms 158420 KB Output is correct
14 Correct 42 ms 158556 KB Output is correct
15 Correct 43 ms 158408 KB Output is correct
16 Correct 44 ms 158548 KB Output is correct
17 Correct 44 ms 158544 KB Output is correct
18 Correct 45 ms 158548 KB Output is correct
19 Correct 43 ms 158552 KB Output is correct
20 Correct 43 ms 158544 KB Output is correct
21 Correct 43 ms 158588 KB Output is correct
22 Correct 43 ms 158548 KB Output is correct
23 Correct 44 ms 158548 KB Output is correct
24 Correct 47 ms 158720 KB Output is correct
25 Correct 43 ms 158544 KB Output is correct
26 Correct 43 ms 158548 KB Output is correct
27 Correct 44 ms 158432 KB Output is correct
28 Correct 43 ms 158548 KB Output is correct
29 Correct 44 ms 158548 KB Output is correct
30 Correct 45 ms 158672 KB Output is correct
31 Correct 44 ms 158556 KB Output is correct
32 Correct 43 ms 158548 KB Output is correct
33 Correct 42 ms 158548 KB Output is correct
34 Correct 42 ms 158544 KB Output is correct
35 Correct 44 ms 158544 KB Output is correct
36 Correct 43 ms 158544 KB Output is correct
37 Correct 42 ms 158548 KB Output is correct
38 Correct 45 ms 158544 KB Output is correct
39 Correct 42 ms 158544 KB Output is correct
40 Correct 44 ms 158540 KB Output is correct
41 Correct 43 ms 158372 KB Output is correct
42 Correct 45 ms 158680 KB Output is correct
43 Correct 44 ms 158548 KB Output is correct
44 Correct 43 ms 158544 KB Output is correct
45 Correct 43 ms 158544 KB Output is correct
46 Correct 43 ms 158552 KB Output is correct
47 Correct 46 ms 158548 KB Output is correct
48 Correct 43 ms 158548 KB Output is correct
49 Correct 43 ms 158544 KB Output is correct
50 Correct 42 ms 158544 KB Output is correct
51 Correct 48 ms 158548 KB Output is correct
52 Correct 44 ms 158548 KB Output is correct
53 Correct 44 ms 158540 KB Output is correct
54 Correct 44 ms 158548 KB Output is correct
55 Correct 42 ms 158548 KB Output is correct
56 Correct 44 ms 158368 KB Output is correct
57 Correct 43 ms 158544 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 158548 KB Output is correct
2 Correct 44 ms 158480 KB Output is correct
3 Correct 42 ms 158544 KB Output is correct
4 Correct 43 ms 158532 KB Output is correct
5 Correct 44 ms 158548 KB Output is correct
6 Correct 43 ms 158476 KB Output is correct
7 Correct 46 ms 158632 KB Output is correct
8 Correct 44 ms 158544 KB Output is correct
9 Correct 43 ms 158548 KB Output is correct
10 Correct 42 ms 158548 KB Output is correct
11 Correct 43 ms 158492 KB Output is correct
12 Correct 44 ms 158588 KB Output is correct
13 Correct 42 ms 158420 KB Output is correct
14 Correct 42 ms 158556 KB Output is correct
15 Correct 43 ms 158408 KB Output is correct
16 Correct 44 ms 158548 KB Output is correct
17 Correct 44 ms 158544 KB Output is correct
18 Correct 45 ms 158548 KB Output is correct
19 Correct 43 ms 158552 KB Output is correct
20 Correct 43 ms 158544 KB Output is correct
21 Correct 43 ms 158588 KB Output is correct
22 Correct 43 ms 158548 KB Output is correct
23 Correct 44 ms 158548 KB Output is correct
24 Correct 47 ms 158720 KB Output is correct
25 Correct 43 ms 158544 KB Output is correct
26 Correct 43 ms 158548 KB Output is correct
27 Correct 44 ms 158432 KB Output is correct
28 Correct 43 ms 158548 KB Output is correct
29 Correct 44 ms 158548 KB Output is correct
30 Correct 45 ms 158672 KB Output is correct
31 Correct 44 ms 158556 KB Output is correct
32 Correct 43 ms 158548 KB Output is correct
33 Correct 42 ms 158548 KB Output is correct
34 Correct 42 ms 158544 KB Output is correct
35 Correct 44 ms 158544 KB Output is correct
36 Correct 43 ms 158544 KB Output is correct
37 Correct 42 ms 158548 KB Output is correct
38 Correct 45 ms 158544 KB Output is correct
39 Correct 42 ms 158544 KB Output is correct
40 Correct 44 ms 158540 KB Output is correct
41 Correct 43 ms 158372 KB Output is correct
42 Correct 45 ms 158680 KB Output is correct
43 Correct 44 ms 158548 KB Output is correct
44 Correct 43 ms 158544 KB Output is correct
45 Correct 43 ms 158544 KB Output is correct
46 Correct 43 ms 158552 KB Output is correct
47 Correct 46 ms 158548 KB Output is correct
48 Correct 43 ms 158548 KB Output is correct
49 Correct 43 ms 158544 KB Output is correct
50 Correct 42 ms 158544 KB Output is correct
51 Correct 48 ms 158548 KB Output is correct
52 Correct 44 ms 158548 KB Output is correct
53 Correct 44 ms 158540 KB Output is correct
54 Correct 44 ms 158548 KB Output is correct
55 Correct 42 ms 158548 KB Output is correct
56 Correct 44 ms 158368 KB Output is correct
57 Correct 43 ms 158544 KB Output is correct
58 Correct 47 ms 158548 KB Output is correct
59 Correct 47 ms 159056 KB Output is correct
60 Correct 49 ms 159060 KB Output is correct
61 Correct 85 ms 159060 KB Output is correct
62 Correct 161 ms 159824 KB Output is correct
63 Correct 52 ms 159952 KB Output is correct
64 Correct 103 ms 160032 KB Output is correct
65 Correct 43 ms 158500 KB Output is correct
66 Correct 44 ms 158544 KB Output is correct
67 Correct 43 ms 158544 KB Output is correct
68 Correct 42 ms 158556 KB Output is correct
69 Correct 43 ms 158548 KB Output is correct
70 Correct 43 ms 158548 KB Output is correct
71 Correct 57 ms 158736 KB Output is correct
72 Correct 43 ms 158748 KB Output is correct
73 Correct 52 ms 158584 KB Output is correct
74 Correct 47 ms 159056 KB Output is correct
75 Correct 51 ms 159056 KB Output is correct
76 Correct 95 ms 159056 KB Output is correct
77 Correct 201 ms 160080 KB Output is correct
78 Correct 53 ms 159824 KB Output is correct
79 Correct 112 ms 159944 KB Output is correct
80 Correct 51 ms 159828 KB Output is correct
81 Correct 63 ms 159824 KB Output is correct
82 Correct 190 ms 159828 KB Output is correct
83 Correct 43 ms 158544 KB Output is correct
84 Correct 43 ms 158544 KB Output is correct
85 Correct 57 ms 158544 KB Output is correct
86 Correct 47 ms 158804 KB Output is correct
87 Correct 49 ms 158548 KB Output is correct
88 Correct 47 ms 159048 KB Output is correct
89 Correct 50 ms 159480 KB Output is correct
90 Correct 90 ms 159652 KB Output is correct
91 Correct 197 ms 160668 KB Output is correct
92 Correct 53 ms 160588 KB Output is correct
93 Correct 112 ms 160612 KB Output is correct
94 Correct 45 ms 158544 KB Output is correct
95 Correct 58 ms 158800 KB Output is correct
96 Correct 43 ms 158548 KB Output is correct
97 Correct 43 ms 158544 KB Output is correct
98 Correct 42 ms 158544 KB Output is correct
99 Correct 43 ms 158540 KB Output is correct