/// Author :Nguyễn Thái Sơn -Ti20 -THPT chuyên Lương Thế Vinh
#include<bits/stdc++.h>
#define TASK "test"
#define ll long long
#define ull unsigned long long
#define fi first
#define se second
#define ti20_ntson int main()
#define all(x) (x).begin(),(x).end()
#define vi vector<int>
#define vii pair<int,int>
#define forup(i,l,r) for (int i=l; i<=r; i++)
#define fordown(i,l,r) for (int i=l; i>=r; i--)
#define getbit(x, i) (((x) >> (i)) & 1)
#define vvi vector< vector <int >>
using namespace std;
const int mod = 1e9+7;
const int oo = 1e8;
const int maxN = 1e5+5;
int n,a[maxN];
int dp[105][maxN],k;
void nhap()
{
cin >> n >> k;
for (int i=1; i<=n; i++) cin >> a[i];
}
void solve()
{
memset(dp, 0x3f, sizeof dp);
dp[1][0] = 0;
for (int i =1; i<=n; i++)
dp[1][i] = max (dp[1][i-1],a[i]);
for (int i=2; i<=k; i++) {
stack < vii > S;
for (int j=i; j <= n; j++) {
int res = dp[i-1][j-1];
while (!S.empty() && a[S.top().second] <= a[j]) {
res = min(res, S.top().first);
S.pop();
}
dp[i][j] = min(dp[i][S.empty() ? 0 : S.top().second], res + a[j]);
// cout << i << " " << j << " " << dp[i][j] << endl;
// cout << res << endl;
S.push({res,j});
}
}
cout << dp[k][n];
}
ti20_ntson
{
// freopen(TASK".INP","r",stdin);
// freopen(TASK".OUT","w",stdout);
ios_base::sync_with_stdio(false);cin.tie(0); cout.tie(0);
int T =1;
// cin >> T;
while (T--) {
nhap();
solve();
}
}
/*
input
4 5
2 3 4 5 56
outpt
4455
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
41292 KB |
Output is correct |
2 |
Correct |
19 ms |
41296 KB |
Output is correct |
3 |
Correct |
18 ms |
41384 KB |
Output is correct |
4 |
Correct |
21 ms |
41292 KB |
Output is correct |
5 |
Correct |
20 ms |
41292 KB |
Output is correct |
6 |
Correct |
20 ms |
41300 KB |
Output is correct |
7 |
Correct |
20 ms |
41416 KB |
Output is correct |
8 |
Correct |
21 ms |
41388 KB |
Output is correct |
9 |
Correct |
21 ms |
41420 KB |
Output is correct |
10 |
Correct |
20 ms |
41296 KB |
Output is correct |
11 |
Correct |
18 ms |
41404 KB |
Output is correct |
12 |
Correct |
21 ms |
41364 KB |
Output is correct |
13 |
Correct |
21 ms |
41332 KB |
Output is correct |
14 |
Correct |
23 ms |
41400 KB |
Output is correct |
15 |
Correct |
19 ms |
41420 KB |
Output is correct |
16 |
Correct |
19 ms |
41292 KB |
Output is correct |
17 |
Correct |
19 ms |
41396 KB |
Output is correct |
18 |
Correct |
18 ms |
41348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
18 ms |
41292 KB |
Output is correct |
2 |
Correct |
22 ms |
41364 KB |
Output is correct |
3 |
Correct |
20 ms |
41324 KB |
Output is correct |
4 |
Correct |
23 ms |
41292 KB |
Output is correct |
5 |
Correct |
22 ms |
41300 KB |
Output is correct |
6 |
Correct |
20 ms |
41380 KB |
Output is correct |
7 |
Correct |
25 ms |
41420 KB |
Output is correct |
8 |
Correct |
18 ms |
41288 KB |
Output is correct |
9 |
Correct |
21 ms |
41420 KB |
Output is correct |
10 |
Correct |
21 ms |
41320 KB |
Output is correct |
11 |
Correct |
21 ms |
41420 KB |
Output is correct |
12 |
Correct |
21 ms |
41396 KB |
Output is correct |
13 |
Correct |
22 ms |
41436 KB |
Output is correct |
14 |
Correct |
21 ms |
41292 KB |
Output is correct |
15 |
Correct |
24 ms |
41404 KB |
Output is correct |
16 |
Correct |
21 ms |
41420 KB |
Output is correct |
17 |
Correct |
21 ms |
41336 KB |
Output is correct |
18 |
Correct |
19 ms |
41404 KB |
Output is correct |
19 |
Correct |
21 ms |
41292 KB |
Output is correct |
20 |
Correct |
20 ms |
41420 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
41292 KB |
Output is correct |
2 |
Correct |
19 ms |
41296 KB |
Output is correct |
3 |
Correct |
18 ms |
41384 KB |
Output is correct |
4 |
Correct |
21 ms |
41292 KB |
Output is correct |
5 |
Correct |
20 ms |
41292 KB |
Output is correct |
6 |
Correct |
20 ms |
41300 KB |
Output is correct |
7 |
Correct |
20 ms |
41416 KB |
Output is correct |
8 |
Correct |
21 ms |
41388 KB |
Output is correct |
9 |
Correct |
21 ms |
41420 KB |
Output is correct |
10 |
Correct |
20 ms |
41296 KB |
Output is correct |
11 |
Correct |
18 ms |
41404 KB |
Output is correct |
12 |
Correct |
21 ms |
41364 KB |
Output is correct |
13 |
Correct |
21 ms |
41332 KB |
Output is correct |
14 |
Correct |
23 ms |
41400 KB |
Output is correct |
15 |
Correct |
19 ms |
41420 KB |
Output is correct |
16 |
Correct |
19 ms |
41292 KB |
Output is correct |
17 |
Correct |
19 ms |
41396 KB |
Output is correct |
18 |
Correct |
18 ms |
41348 KB |
Output is correct |
19 |
Correct |
18 ms |
41292 KB |
Output is correct |
20 |
Correct |
22 ms |
41364 KB |
Output is correct |
21 |
Correct |
20 ms |
41324 KB |
Output is correct |
22 |
Correct |
23 ms |
41292 KB |
Output is correct |
23 |
Correct |
22 ms |
41300 KB |
Output is correct |
24 |
Correct |
20 ms |
41380 KB |
Output is correct |
25 |
Correct |
25 ms |
41420 KB |
Output is correct |
26 |
Correct |
18 ms |
41288 KB |
Output is correct |
27 |
Correct |
21 ms |
41420 KB |
Output is correct |
28 |
Correct |
21 ms |
41320 KB |
Output is correct |
29 |
Correct |
21 ms |
41420 KB |
Output is correct |
30 |
Correct |
21 ms |
41396 KB |
Output is correct |
31 |
Correct |
22 ms |
41436 KB |
Output is correct |
32 |
Correct |
21 ms |
41292 KB |
Output is correct |
33 |
Correct |
24 ms |
41404 KB |
Output is correct |
34 |
Correct |
21 ms |
41420 KB |
Output is correct |
35 |
Correct |
21 ms |
41336 KB |
Output is correct |
36 |
Correct |
19 ms |
41404 KB |
Output is correct |
37 |
Correct |
21 ms |
41292 KB |
Output is correct |
38 |
Correct |
20 ms |
41420 KB |
Output is correct |
39 |
Correct |
22 ms |
41336 KB |
Output is correct |
40 |
Correct |
22 ms |
41292 KB |
Output is correct |
41 |
Correct |
21 ms |
41440 KB |
Output is correct |
42 |
Correct |
21 ms |
41304 KB |
Output is correct |
43 |
Correct |
23 ms |
41312 KB |
Output is correct |
44 |
Correct |
25 ms |
41288 KB |
Output is correct |
45 |
Correct |
19 ms |
41312 KB |
Output is correct |
46 |
Correct |
20 ms |
41412 KB |
Output is correct |
47 |
Correct |
19 ms |
41408 KB |
Output is correct |
48 |
Correct |
18 ms |
41344 KB |
Output is correct |
49 |
Correct |
21 ms |
41296 KB |
Output is correct |
50 |
Correct |
20 ms |
41320 KB |
Output is correct |
51 |
Correct |
22 ms |
41384 KB |
Output is correct |
52 |
Correct |
21 ms |
41284 KB |
Output is correct |
53 |
Correct |
22 ms |
41356 KB |
Output is correct |
54 |
Correct |
22 ms |
41284 KB |
Output is correct |
55 |
Correct |
19 ms |
41376 KB |
Output is correct |
56 |
Correct |
22 ms |
41412 KB |
Output is correct |
57 |
Correct |
23 ms |
41396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
41292 KB |
Output is correct |
2 |
Correct |
19 ms |
41296 KB |
Output is correct |
3 |
Correct |
18 ms |
41384 KB |
Output is correct |
4 |
Correct |
21 ms |
41292 KB |
Output is correct |
5 |
Correct |
20 ms |
41292 KB |
Output is correct |
6 |
Correct |
20 ms |
41300 KB |
Output is correct |
7 |
Correct |
20 ms |
41416 KB |
Output is correct |
8 |
Correct |
21 ms |
41388 KB |
Output is correct |
9 |
Correct |
21 ms |
41420 KB |
Output is correct |
10 |
Correct |
20 ms |
41296 KB |
Output is correct |
11 |
Correct |
18 ms |
41404 KB |
Output is correct |
12 |
Correct |
21 ms |
41364 KB |
Output is correct |
13 |
Correct |
21 ms |
41332 KB |
Output is correct |
14 |
Correct |
23 ms |
41400 KB |
Output is correct |
15 |
Correct |
19 ms |
41420 KB |
Output is correct |
16 |
Correct |
19 ms |
41292 KB |
Output is correct |
17 |
Correct |
19 ms |
41396 KB |
Output is correct |
18 |
Correct |
18 ms |
41348 KB |
Output is correct |
19 |
Correct |
18 ms |
41292 KB |
Output is correct |
20 |
Correct |
22 ms |
41364 KB |
Output is correct |
21 |
Correct |
20 ms |
41324 KB |
Output is correct |
22 |
Correct |
23 ms |
41292 KB |
Output is correct |
23 |
Correct |
22 ms |
41300 KB |
Output is correct |
24 |
Correct |
20 ms |
41380 KB |
Output is correct |
25 |
Correct |
25 ms |
41420 KB |
Output is correct |
26 |
Correct |
18 ms |
41288 KB |
Output is correct |
27 |
Correct |
21 ms |
41420 KB |
Output is correct |
28 |
Correct |
21 ms |
41320 KB |
Output is correct |
29 |
Correct |
21 ms |
41420 KB |
Output is correct |
30 |
Correct |
21 ms |
41396 KB |
Output is correct |
31 |
Correct |
22 ms |
41436 KB |
Output is correct |
32 |
Correct |
21 ms |
41292 KB |
Output is correct |
33 |
Correct |
24 ms |
41404 KB |
Output is correct |
34 |
Correct |
21 ms |
41420 KB |
Output is correct |
35 |
Correct |
21 ms |
41336 KB |
Output is correct |
36 |
Correct |
19 ms |
41404 KB |
Output is correct |
37 |
Correct |
21 ms |
41292 KB |
Output is correct |
38 |
Correct |
20 ms |
41420 KB |
Output is correct |
39 |
Correct |
22 ms |
41336 KB |
Output is correct |
40 |
Correct |
22 ms |
41292 KB |
Output is correct |
41 |
Correct |
21 ms |
41440 KB |
Output is correct |
42 |
Correct |
21 ms |
41304 KB |
Output is correct |
43 |
Correct |
23 ms |
41312 KB |
Output is correct |
44 |
Correct |
25 ms |
41288 KB |
Output is correct |
45 |
Correct |
19 ms |
41312 KB |
Output is correct |
46 |
Correct |
20 ms |
41412 KB |
Output is correct |
47 |
Correct |
19 ms |
41408 KB |
Output is correct |
48 |
Correct |
18 ms |
41344 KB |
Output is correct |
49 |
Correct |
21 ms |
41296 KB |
Output is correct |
50 |
Correct |
20 ms |
41320 KB |
Output is correct |
51 |
Correct |
22 ms |
41384 KB |
Output is correct |
52 |
Correct |
21 ms |
41284 KB |
Output is correct |
53 |
Correct |
22 ms |
41356 KB |
Output is correct |
54 |
Correct |
22 ms |
41284 KB |
Output is correct |
55 |
Correct |
19 ms |
41376 KB |
Output is correct |
56 |
Correct |
22 ms |
41412 KB |
Output is correct |
57 |
Correct |
23 ms |
41396 KB |
Output is correct |
58 |
Correct |
31 ms |
41420 KB |
Output is correct |
59 |
Correct |
24 ms |
41844 KB |
Output is correct |
60 |
Correct |
34 ms |
41872 KB |
Output is correct |
61 |
Correct |
75 ms |
41872 KB |
Output is correct |
62 |
Correct |
177 ms |
42436 KB |
Output is correct |
63 |
Correct |
35 ms |
42436 KB |
Output is correct |
64 |
Correct |
83 ms |
42432 KB |
Output is correct |
65 |
Correct |
19 ms |
41292 KB |
Output is correct |
66 |
Correct |
22 ms |
41292 KB |
Output is correct |
67 |
Correct |
20 ms |
41396 KB |
Output is correct |
68 |
Correct |
20 ms |
41384 KB |
Output is correct |
69 |
Correct |
20 ms |
41420 KB |
Output is correct |
70 |
Correct |
21 ms |
41376 KB |
Output is correct |
71 |
Correct |
40 ms |
41420 KB |
Output is correct |
72 |
Correct |
24 ms |
41476 KB |
Output is correct |
73 |
Correct |
28 ms |
41524 KB |
Output is correct |
74 |
Correct |
25 ms |
41832 KB |
Output is correct |
75 |
Correct |
31 ms |
41768 KB |
Output is correct |
76 |
Correct |
81 ms |
41876 KB |
Output is correct |
77 |
Correct |
209 ms |
42560 KB |
Output is correct |
78 |
Correct |
40 ms |
42364 KB |
Output is correct |
79 |
Correct |
105 ms |
42464 KB |
Output is correct |
80 |
Correct |
37 ms |
42436 KB |
Output is correct |
81 |
Correct |
46 ms |
42468 KB |
Output is correct |
82 |
Correct |
193 ms |
42464 KB |
Output is correct |
83 |
Correct |
21 ms |
41420 KB |
Output is correct |
84 |
Correct |
24 ms |
41428 KB |
Output is correct |
85 |
Correct |
38 ms |
41468 KB |
Output is correct |
86 |
Correct |
22 ms |
41444 KB |
Output is correct |
87 |
Correct |
26 ms |
41448 KB |
Output is correct |
88 |
Correct |
30 ms |
41768 KB |
Output is correct |
89 |
Correct |
30 ms |
42008 KB |
Output is correct |
90 |
Correct |
73 ms |
42004 KB |
Output is correct |
91 |
Correct |
172 ms |
42756 KB |
Output is correct |
92 |
Correct |
37 ms |
42680 KB |
Output is correct |
93 |
Correct |
96 ms |
42760 KB |
Output is correct |
94 |
Correct |
20 ms |
41420 KB |
Output is correct |
95 |
Correct |
34 ms |
41492 KB |
Output is correct |
96 |
Correct |
24 ms |
41420 KB |
Output is correct |
97 |
Correct |
24 ms |
41376 KB |
Output is correct |
98 |
Correct |
24 ms |
41396 KB |
Output is correct |
99 |
Correct |
28 ms |
41292 KB |
Output is correct |