#include<bits/stdc++.h>
#define STIZE(x) fprintf(stderr, "STIZE%lld\n", x);
#define PRINT(x) fprintf(stderr, "%s = %lld\n", #x, x);
#define NL(x) printf("%c", " \n"[(x)]);
#define lld long long
#define pii pair<int,int>
#define pb push_back
#define fi first
#define se second
#define all(a) begin(a),end(a)
#define sz(a) int((a).size())
#define LINF 1000000000000000LL
#define INF 1000000000
#define EPS 1e-9
using namespace std;
#define MAXN 100010
#define MAXK 110
stack<pii> s;
stack<int> mx;
int dp[MAXN][MAXK];
int a[MAXN];
int main() {
ios::sync_with_stdio(false); cin.tie(0);
int N, K; cin >> N >> K;
for(int i = 1; i <= N; i++) dp[i][0] = INF;
for(int i = 1; i <= K; i++) {
for(int j = 0; j < i; j++) dp[j][i] = INF;
}
for(int i = 1; i <= N; i++) cin >> a[i];
for(int k = 1; k <= K; k++) {
while(!s.empty()) s.pop();
while(!mx.empty()) mx.pop();
for(int n = 1; n <= N; n++) {
int dpmin = dp[n-1][k-1];
while(!s.empty() && a[n] >= s.top().fi) {
dpmin = min(dpmin, s.top().se);
s.pop();
mx.pop();
}
s.push({a[n], dpmin});
mx.push(min((!mx.empty() ? mx.top():INF), s.top().se+s.top().fi));
dp[n][k] = mx.top();
//PRINT(dp[n][k]);
}
}
cout << dp[N][K];
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
488 KB |
Output is correct |
3 |
Correct |
3 ms |
528 KB |
Output is correct |
4 |
Correct |
3 ms |
528 KB |
Output is correct |
5 |
Correct |
2 ms |
528 KB |
Output is correct |
6 |
Correct |
2 ms |
564 KB |
Output is correct |
7 |
Correct |
2 ms |
612 KB |
Output is correct |
8 |
Correct |
3 ms |
716 KB |
Output is correct |
9 |
Correct |
3 ms |
716 KB |
Output is correct |
10 |
Correct |
2 ms |
716 KB |
Output is correct |
11 |
Correct |
3 ms |
772 KB |
Output is correct |
12 |
Correct |
2 ms |
772 KB |
Output is correct |
13 |
Correct |
3 ms |
772 KB |
Output is correct |
14 |
Correct |
3 ms |
772 KB |
Output is correct |
15 |
Correct |
2 ms |
772 KB |
Output is correct |
16 |
Correct |
2 ms |
832 KB |
Output is correct |
17 |
Correct |
2 ms |
832 KB |
Output is correct |
18 |
Correct |
2 ms |
832 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
832 KB |
Output is correct |
2 |
Correct |
2 ms |
832 KB |
Output is correct |
3 |
Correct |
2 ms |
832 KB |
Output is correct |
4 |
Correct |
2 ms |
832 KB |
Output is correct |
5 |
Correct |
2 ms |
832 KB |
Output is correct |
6 |
Correct |
2 ms |
832 KB |
Output is correct |
7 |
Correct |
2 ms |
832 KB |
Output is correct |
8 |
Correct |
2 ms |
832 KB |
Output is correct |
9 |
Correct |
3 ms |
832 KB |
Output is correct |
10 |
Correct |
3 ms |
832 KB |
Output is correct |
11 |
Correct |
2 ms |
868 KB |
Output is correct |
12 |
Correct |
3 ms |
868 KB |
Output is correct |
13 |
Correct |
3 ms |
868 KB |
Output is correct |
14 |
Correct |
2 ms |
868 KB |
Output is correct |
15 |
Correct |
2 ms |
868 KB |
Output is correct |
16 |
Correct |
3 ms |
868 KB |
Output is correct |
17 |
Correct |
2 ms |
868 KB |
Output is correct |
18 |
Correct |
2 ms |
868 KB |
Output is correct |
19 |
Correct |
2 ms |
868 KB |
Output is correct |
20 |
Correct |
2 ms |
868 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
868 KB |
Output is correct |
2 |
Correct |
2 ms |
868 KB |
Output is correct |
3 |
Correct |
2 ms |
868 KB |
Output is correct |
4 |
Correct |
2 ms |
944 KB |
Output is correct |
5 |
Correct |
2 ms |
944 KB |
Output is correct |
6 |
Correct |
2 ms |
944 KB |
Output is correct |
7 |
Correct |
2 ms |
944 KB |
Output is correct |
8 |
Correct |
2 ms |
944 KB |
Output is correct |
9 |
Correct |
2 ms |
944 KB |
Output is correct |
10 |
Correct |
2 ms |
944 KB |
Output is correct |
11 |
Correct |
2 ms |
944 KB |
Output is correct |
12 |
Correct |
3 ms |
944 KB |
Output is correct |
13 |
Correct |
3 ms |
944 KB |
Output is correct |
14 |
Correct |
3 ms |
956 KB |
Output is correct |
15 |
Correct |
2 ms |
956 KB |
Output is correct |
16 |
Correct |
2 ms |
956 KB |
Output is correct |
17 |
Correct |
3 ms |
956 KB |
Output is correct |
18 |
Correct |
2 ms |
956 KB |
Output is correct |
19 |
Correct |
2 ms |
956 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
5280 KB |
Output is correct |
2 |
Correct |
21 ms |
20256 KB |
Output is correct |
3 |
Correct |
26 ms |
20256 KB |
Output is correct |
4 |
Correct |
139 ms |
20256 KB |
Output is correct |
5 |
Correct |
410 ms |
44440 KB |
Output is correct |
6 |
Correct |
54 ms |
44440 KB |
Output is correct |
7 |
Correct |
242 ms |
45088 KB |
Output is correct |
8 |
Correct |
3 ms |
45088 KB |
Output is correct |
9 |
Correct |
2 ms |
45088 KB |
Output is correct |
10 |
Correct |
3 ms |
45088 KB |
Output is correct |
11 |
Correct |
2 ms |
45088 KB |
Output is correct |
12 |
Correct |
3 ms |
45088 KB |
Output is correct |
13 |
Correct |
4 ms |
45088 KB |
Output is correct |
14 |
Correct |
27 ms |
45088 KB |
Output is correct |
15 |
Correct |
7 ms |
45088 KB |
Output is correct |
16 |
Correct |
12 ms |
45088 KB |
Output is correct |
17 |
Correct |
21 ms |
45088 KB |
Output is correct |
18 |
Correct |
28 ms |
45088 KB |
Output is correct |
19 |
Correct |
138 ms |
45088 KB |
Output is correct |
20 |
Correct |
373 ms |
47008 KB |
Output is correct |
21 |
Correct |
54 ms |
47524 KB |
Output is correct |
22 |
Correct |
275 ms |
48332 KB |
Output is correct |
23 |
Correct |
53 ms |
48876 KB |
Output is correct |
24 |
Correct |
81 ms |
49820 KB |
Output is correct |
25 |
Correct |
379 ms |
50356 KB |
Output is correct |
26 |
Correct |
2 ms |
50356 KB |
Output is correct |
27 |
Correct |
2 ms |
50356 KB |
Output is correct |
28 |
Correct |
27 ms |
50356 KB |
Output is correct |
29 |
Correct |
7 ms |
50356 KB |
Output is correct |
30 |
Correct |
15 ms |
50356 KB |
Output is correct |
31 |
Correct |
22 ms |
50356 KB |
Output is correct |
32 |
Correct |
28 ms |
50356 KB |
Output is correct |
33 |
Correct |
106 ms |
50356 KB |
Output is correct |
34 |
Correct |
357 ms |
52588 KB |
Output is correct |
35 |
Correct |
64 ms |
53268 KB |
Output is correct |
36 |
Correct |
295 ms |
53900 KB |
Output is correct |
37 |
Correct |
9 ms |
53900 KB |
Output is correct |
38 |
Correct |
32 ms |
53900 KB |
Output is correct |
39 |
Correct |
2 ms |
53900 KB |
Output is correct |
40 |
Correct |
3 ms |
53900 KB |
Output is correct |
41 |
Correct |
2 ms |
53900 KB |
Output is correct |
42 |
Correct |
2 ms |
53900 KB |
Output is correct |