#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 N, K;
int a[MAX];
int dp[MAX][101];
const int Log = 18;
int st[MAX][Log];
int cost (int l, int r){
int k = Lg(r - l + 1);
return max(st[l][k], st[r - MASK(k) + 1][k]);
}
void Whisper(){
cin >> N >> K;
for (int i = 1; i <= N; ++i) cin >> a[i];
for (int i = 1; i <= N; ++i) st[i][0] = a[i];
for (int k = 1; MASK(k) <= N; ++k){
for (int i = 1; i + MASK(k) - 1 <= N; ++i){
st[i][k] = max(st[i][k - 1], st[i + MASK(k - 1)][k - 1]);
}
}
memset(dp, 0x3f, sizeof dp);
for (int i = 1; i <= N; ++i) dp[i][1] = cost(1, i);
for (int k = 2; k <= N; ++k){
for (int i = 1; i <= N; ++i){
for (int j = 0; j < i; ++j){
dp[i][k] = min(dp[i][k], dp[j][k - 1] + cost(j + 1, 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';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
27 ms |
160340 KB |
Output is correct |
2 |
Correct |
27 ms |
160340 KB |
Output is correct |
3 |
Correct |
27 ms |
160496 KB |
Output is correct |
4 |
Correct |
27 ms |
160492 KB |
Output is correct |
5 |
Correct |
27 ms |
160480 KB |
Output is correct |
6 |
Correct |
27 ms |
160428 KB |
Output is correct |
7 |
Correct |
27 ms |
160448 KB |
Output is correct |
8 |
Correct |
28 ms |
160504 KB |
Output is correct |
9 |
Correct |
27 ms |
160336 KB |
Output is correct |
10 |
Correct |
29 ms |
160340 KB |
Output is correct |
11 |
Correct |
28 ms |
160380 KB |
Output is correct |
12 |
Correct |
29 ms |
160348 KB |
Output is correct |
13 |
Correct |
29 ms |
160348 KB |
Output is correct |
14 |
Correct |
28 ms |
160348 KB |
Output is correct |
15 |
Correct |
29 ms |
160464 KB |
Output is correct |
16 |
Correct |
29 ms |
160416 KB |
Output is correct |
17 |
Correct |
29 ms |
160668 KB |
Output is correct |
18 |
Correct |
29 ms |
160332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
29 ms |
160348 KB |
Output is correct |
2 |
Correct |
27 ms |
160520 KB |
Output is correct |
3 |
Correct |
27 ms |
160444 KB |
Output is correct |
4 |
Correct |
27 ms |
160472 KB |
Output is correct |
5 |
Correct |
28 ms |
160312 KB |
Output is correct |
6 |
Correct |
28 ms |
160436 KB |
Output is correct |
7 |
Correct |
27 ms |
160392 KB |
Output is correct |
8 |
Correct |
29 ms |
160340 KB |
Output is correct |
9 |
Correct |
27 ms |
160344 KB |
Output is correct |
10 |
Correct |
26 ms |
160344 KB |
Output is correct |
11 |
Correct |
27 ms |
160344 KB |
Output is correct |
12 |
Correct |
27 ms |
160420 KB |
Output is correct |
13 |
Correct |
27 ms |
160328 KB |
Output is correct |
14 |
Correct |
28 ms |
160296 KB |
Output is correct |
15 |
Correct |
28 ms |
160340 KB |
Output is correct |
16 |
Correct |
27 ms |
160452 KB |
Output is correct |
17 |
Correct |
27 ms |
160348 KB |
Output is correct |
18 |
Correct |
28 ms |
160488 KB |
Output is correct |
19 |
Correct |
27 ms |
160340 KB |
Output is correct |
20 |
Correct |
26 ms |
160340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
27 ms |
160340 KB |
Output is correct |
2 |
Correct |
27 ms |
160340 KB |
Output is correct |
3 |
Correct |
27 ms |
160496 KB |
Output is correct |
4 |
Correct |
27 ms |
160492 KB |
Output is correct |
5 |
Correct |
27 ms |
160480 KB |
Output is correct |
6 |
Correct |
27 ms |
160428 KB |
Output is correct |
7 |
Correct |
27 ms |
160448 KB |
Output is correct |
8 |
Correct |
28 ms |
160504 KB |
Output is correct |
9 |
Correct |
27 ms |
160336 KB |
Output is correct |
10 |
Correct |
29 ms |
160340 KB |
Output is correct |
11 |
Correct |
28 ms |
160380 KB |
Output is correct |
12 |
Correct |
29 ms |
160348 KB |
Output is correct |
13 |
Correct |
29 ms |
160348 KB |
Output is correct |
14 |
Correct |
28 ms |
160348 KB |
Output is correct |
15 |
Correct |
29 ms |
160464 KB |
Output is correct |
16 |
Correct |
29 ms |
160416 KB |
Output is correct |
17 |
Correct |
29 ms |
160668 KB |
Output is correct |
18 |
Correct |
29 ms |
160332 KB |
Output is correct |
19 |
Correct |
29 ms |
160348 KB |
Output is correct |
20 |
Correct |
27 ms |
160520 KB |
Output is correct |
21 |
Correct |
27 ms |
160444 KB |
Output is correct |
22 |
Correct |
27 ms |
160472 KB |
Output is correct |
23 |
Correct |
28 ms |
160312 KB |
Output is correct |
24 |
Correct |
28 ms |
160436 KB |
Output is correct |
25 |
Correct |
27 ms |
160392 KB |
Output is correct |
26 |
Correct |
29 ms |
160340 KB |
Output is correct |
27 |
Correct |
27 ms |
160344 KB |
Output is correct |
28 |
Correct |
26 ms |
160344 KB |
Output is correct |
29 |
Correct |
27 ms |
160344 KB |
Output is correct |
30 |
Correct |
27 ms |
160420 KB |
Output is correct |
31 |
Correct |
27 ms |
160328 KB |
Output is correct |
32 |
Correct |
28 ms |
160296 KB |
Output is correct |
33 |
Correct |
28 ms |
160340 KB |
Output is correct |
34 |
Correct |
27 ms |
160452 KB |
Output is correct |
35 |
Correct |
27 ms |
160348 KB |
Output is correct |
36 |
Correct |
28 ms |
160488 KB |
Output is correct |
37 |
Correct |
27 ms |
160340 KB |
Output is correct |
38 |
Correct |
26 ms |
160340 KB |
Output is correct |
39 |
Correct |
31 ms |
160720 KB |
Output is correct |
40 |
Correct |
28 ms |
160340 KB |
Output is correct |
41 |
Correct |
28 ms |
160336 KB |
Output is correct |
42 |
Correct |
27 ms |
160468 KB |
Output is correct |
43 |
Correct |
27 ms |
160348 KB |
Output is correct |
44 |
Correct |
26 ms |
160480 KB |
Output is correct |
45 |
Correct |
26 ms |
160340 KB |
Output is correct |
46 |
Correct |
29 ms |
160336 KB |
Output is correct |
47 |
Correct |
27 ms |
160344 KB |
Output is correct |
48 |
Correct |
27 ms |
160388 KB |
Output is correct |
49 |
Correct |
29 ms |
160344 KB |
Output is correct |
50 |
Correct |
28 ms |
160504 KB |
Output is correct |
51 |
Correct |
30 ms |
160340 KB |
Output is correct |
52 |
Correct |
28 ms |
160336 KB |
Output is correct |
53 |
Correct |
31 ms |
160488 KB |
Output is correct |
54 |
Correct |
31 ms |
160380 KB |
Output is correct |
55 |
Correct |
29 ms |
160340 KB |
Output is correct |
56 |
Correct |
29 ms |
160348 KB |
Output is correct |
57 |
Correct |
27 ms |
160388 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
27 ms |
160340 KB |
Output is correct |
2 |
Correct |
27 ms |
160340 KB |
Output is correct |
3 |
Correct |
27 ms |
160496 KB |
Output is correct |
4 |
Correct |
27 ms |
160492 KB |
Output is correct |
5 |
Correct |
27 ms |
160480 KB |
Output is correct |
6 |
Correct |
27 ms |
160428 KB |
Output is correct |
7 |
Correct |
27 ms |
160448 KB |
Output is correct |
8 |
Correct |
28 ms |
160504 KB |
Output is correct |
9 |
Correct |
27 ms |
160336 KB |
Output is correct |
10 |
Correct |
29 ms |
160340 KB |
Output is correct |
11 |
Correct |
28 ms |
160380 KB |
Output is correct |
12 |
Correct |
29 ms |
160348 KB |
Output is correct |
13 |
Correct |
29 ms |
160348 KB |
Output is correct |
14 |
Correct |
28 ms |
160348 KB |
Output is correct |
15 |
Correct |
29 ms |
160464 KB |
Output is correct |
16 |
Correct |
29 ms |
160416 KB |
Output is correct |
17 |
Correct |
29 ms |
160668 KB |
Output is correct |
18 |
Correct |
29 ms |
160332 KB |
Output is correct |
19 |
Correct |
29 ms |
160348 KB |
Output is correct |
20 |
Correct |
27 ms |
160520 KB |
Output is correct |
21 |
Correct |
27 ms |
160444 KB |
Output is correct |
22 |
Correct |
27 ms |
160472 KB |
Output is correct |
23 |
Correct |
28 ms |
160312 KB |
Output is correct |
24 |
Correct |
28 ms |
160436 KB |
Output is correct |
25 |
Correct |
27 ms |
160392 KB |
Output is correct |
26 |
Correct |
29 ms |
160340 KB |
Output is correct |
27 |
Correct |
27 ms |
160344 KB |
Output is correct |
28 |
Correct |
26 ms |
160344 KB |
Output is correct |
29 |
Correct |
27 ms |
160344 KB |
Output is correct |
30 |
Correct |
27 ms |
160420 KB |
Output is correct |
31 |
Correct |
27 ms |
160328 KB |
Output is correct |
32 |
Correct |
28 ms |
160296 KB |
Output is correct |
33 |
Correct |
28 ms |
160340 KB |
Output is correct |
34 |
Correct |
27 ms |
160452 KB |
Output is correct |
35 |
Correct |
27 ms |
160348 KB |
Output is correct |
36 |
Correct |
28 ms |
160488 KB |
Output is correct |
37 |
Correct |
27 ms |
160340 KB |
Output is correct |
38 |
Correct |
26 ms |
160340 KB |
Output is correct |
39 |
Correct |
31 ms |
160720 KB |
Output is correct |
40 |
Correct |
28 ms |
160340 KB |
Output is correct |
41 |
Correct |
28 ms |
160336 KB |
Output is correct |
42 |
Correct |
27 ms |
160468 KB |
Output is correct |
43 |
Correct |
27 ms |
160348 KB |
Output is correct |
44 |
Correct |
26 ms |
160480 KB |
Output is correct |
45 |
Correct |
26 ms |
160340 KB |
Output is correct |
46 |
Correct |
29 ms |
160336 KB |
Output is correct |
47 |
Correct |
27 ms |
160344 KB |
Output is correct |
48 |
Correct |
27 ms |
160388 KB |
Output is correct |
49 |
Correct |
29 ms |
160344 KB |
Output is correct |
50 |
Correct |
28 ms |
160504 KB |
Output is correct |
51 |
Correct |
30 ms |
160340 KB |
Output is correct |
52 |
Correct |
28 ms |
160336 KB |
Output is correct |
53 |
Correct |
31 ms |
160488 KB |
Output is correct |
54 |
Correct |
31 ms |
160380 KB |
Output is correct |
55 |
Correct |
29 ms |
160340 KB |
Output is correct |
56 |
Correct |
29 ms |
160348 KB |
Output is correct |
57 |
Correct |
27 ms |
160388 KB |
Output is correct |
58 |
Execution timed out |
1016 ms |
162640 KB |
Time limit exceeded |
59 |
Halted |
0 ms |
0 KB |
- |