#include<bits/stdc++.h>
#define fori(i,a,b) for(int i=a;i<=b;i++)
#define int long long
#define ii pair<int,int>
#define fi first
#define se second
#define pb push_back
using namespace std;
const int mod=1e9+7;
const int M=1e6+10;
const int N=1e3+10;
int n,k,f[100010][110],a[100010];
int32_t main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
#define task "1"
if(fopen(task".inp","r"))
{
freopen(task".inp","r",stdin);
freopen(task".out","w",stdout);
}
cin >> n >> k;
fori(i,1,n) cin >> a[i];
memset(f,61,sizeof(f));
f[0][1]=0;
fori(i,1,n) f[i][1]=max(f[i-1][1],a[i]);
f[0][1]=1e16;
fori(j,2,k)
{
stack<int> sk;
fori(i,1,n)
{
while(!sk.empty()&&a[sk.top()]<=a[i])
{
f[i][j]=min(f[i][j],f[sk.top()][j-1]+a[i]);
f[i][j]=min(f[i][j],f[sk.top()][j]+a[i]-a[sk.top()]);
sk.pop();
}
if(sk.size())
{
f[i][j]=min(f[i][j],f[sk.top()][j-1]+a[i]);
f[i][j]=min(f[i][j],f[sk.top()][j]);
}
sk.push(i);
}
}
cout << f[n][k];
}
Compilation message
blocks.cpp: In function 'int32_t main()':
blocks.cpp:21:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
21 | freopen(task".inp","r",stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
blocks.cpp:22:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
22 | freopen(task".out","w",stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
41 ms |
86356 KB |
Output is correct |
2 |
Correct |
44 ms |
86364 KB |
Output is correct |
3 |
Correct |
42 ms |
86356 KB |
Output is correct |
4 |
Correct |
42 ms |
86324 KB |
Output is correct |
5 |
Correct |
42 ms |
86352 KB |
Output is correct |
6 |
Correct |
42 ms |
86356 KB |
Output is correct |
7 |
Correct |
52 ms |
86356 KB |
Output is correct |
8 |
Correct |
49 ms |
86356 KB |
Output is correct |
9 |
Correct |
42 ms |
86336 KB |
Output is correct |
10 |
Correct |
41 ms |
86356 KB |
Output is correct |
11 |
Correct |
44 ms |
86360 KB |
Output is correct |
12 |
Correct |
42 ms |
86356 KB |
Output is correct |
13 |
Correct |
43 ms |
86352 KB |
Output is correct |
14 |
Correct |
41 ms |
86368 KB |
Output is correct |
15 |
Correct |
43 ms |
86356 KB |
Output is correct |
16 |
Correct |
43 ms |
86360 KB |
Output is correct |
17 |
Correct |
41 ms |
86348 KB |
Output is correct |
18 |
Correct |
41 ms |
86560 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
50 ms |
86352 KB |
Output is correct |
2 |
Correct |
41 ms |
86352 KB |
Output is correct |
3 |
Correct |
40 ms |
86508 KB |
Output is correct |
4 |
Correct |
41 ms |
86352 KB |
Output is correct |
5 |
Correct |
41 ms |
86356 KB |
Output is correct |
6 |
Correct |
48 ms |
86356 KB |
Output is correct |
7 |
Correct |
43 ms |
86340 KB |
Output is correct |
8 |
Correct |
36 ms |
86460 KB |
Output is correct |
9 |
Correct |
48 ms |
86384 KB |
Output is correct |
10 |
Correct |
41 ms |
86352 KB |
Output is correct |
11 |
Correct |
44 ms |
86356 KB |
Output is correct |
12 |
Correct |
41 ms |
86352 KB |
Output is correct |
13 |
Correct |
42 ms |
86352 KB |
Output is correct |
14 |
Correct |
44 ms |
86548 KB |
Output is correct |
15 |
Correct |
48 ms |
86352 KB |
Output is correct |
16 |
Correct |
44 ms |
86352 KB |
Output is correct |
17 |
Correct |
45 ms |
86352 KB |
Output is correct |
18 |
Correct |
41 ms |
86352 KB |
Output is correct |
19 |
Correct |
47 ms |
86316 KB |
Output is correct |
20 |
Correct |
44 ms |
86356 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
41 ms |
86356 KB |
Output is correct |
2 |
Correct |
44 ms |
86364 KB |
Output is correct |
3 |
Correct |
42 ms |
86356 KB |
Output is correct |
4 |
Correct |
42 ms |
86324 KB |
Output is correct |
5 |
Correct |
42 ms |
86352 KB |
Output is correct |
6 |
Correct |
42 ms |
86356 KB |
Output is correct |
7 |
Correct |
52 ms |
86356 KB |
Output is correct |
8 |
Correct |
49 ms |
86356 KB |
Output is correct |
9 |
Correct |
42 ms |
86336 KB |
Output is correct |
10 |
Correct |
41 ms |
86356 KB |
Output is correct |
11 |
Correct |
44 ms |
86360 KB |
Output is correct |
12 |
Correct |
42 ms |
86356 KB |
Output is correct |
13 |
Correct |
43 ms |
86352 KB |
Output is correct |
14 |
Correct |
41 ms |
86368 KB |
Output is correct |
15 |
Correct |
43 ms |
86356 KB |
Output is correct |
16 |
Correct |
43 ms |
86360 KB |
Output is correct |
17 |
Correct |
41 ms |
86348 KB |
Output is correct |
18 |
Correct |
41 ms |
86560 KB |
Output is correct |
19 |
Correct |
50 ms |
86352 KB |
Output is correct |
20 |
Correct |
41 ms |
86352 KB |
Output is correct |
21 |
Correct |
40 ms |
86508 KB |
Output is correct |
22 |
Correct |
41 ms |
86352 KB |
Output is correct |
23 |
Correct |
41 ms |
86356 KB |
Output is correct |
24 |
Correct |
48 ms |
86356 KB |
Output is correct |
25 |
Correct |
43 ms |
86340 KB |
Output is correct |
26 |
Correct |
36 ms |
86460 KB |
Output is correct |
27 |
Correct |
48 ms |
86384 KB |
Output is correct |
28 |
Correct |
41 ms |
86352 KB |
Output is correct |
29 |
Correct |
44 ms |
86356 KB |
Output is correct |
30 |
Correct |
41 ms |
86352 KB |
Output is correct |
31 |
Correct |
42 ms |
86352 KB |
Output is correct |
32 |
Correct |
44 ms |
86548 KB |
Output is correct |
33 |
Correct |
48 ms |
86352 KB |
Output is correct |
34 |
Correct |
44 ms |
86352 KB |
Output is correct |
35 |
Correct |
45 ms |
86352 KB |
Output is correct |
36 |
Correct |
41 ms |
86352 KB |
Output is correct |
37 |
Correct |
47 ms |
86316 KB |
Output is correct |
38 |
Correct |
44 ms |
86356 KB |
Output is correct |
39 |
Correct |
42 ms |
86472 KB |
Output is correct |
40 |
Correct |
49 ms |
86356 KB |
Output is correct |
41 |
Correct |
44 ms |
86348 KB |
Output is correct |
42 |
Correct |
40 ms |
86356 KB |
Output is correct |
43 |
Correct |
41 ms |
86328 KB |
Output is correct |
44 |
Correct |
43 ms |
86508 KB |
Output is correct |
45 |
Correct |
44 ms |
86352 KB |
Output is correct |
46 |
Correct |
46 ms |
86484 KB |
Output is correct |
47 |
Correct |
38 ms |
86504 KB |
Output is correct |
48 |
Correct |
42 ms |
86356 KB |
Output is correct |
49 |
Correct |
42 ms |
86352 KB |
Output is correct |
50 |
Correct |
40 ms |
86352 KB |
Output is correct |
51 |
Correct |
38 ms |
86548 KB |
Output is correct |
52 |
Correct |
43 ms |
86560 KB |
Output is correct |
53 |
Correct |
43 ms |
86356 KB |
Output is correct |
54 |
Correct |
52 ms |
86352 KB |
Output is correct |
55 |
Correct |
47 ms |
86352 KB |
Output is correct |
56 |
Correct |
41 ms |
86500 KB |
Output is correct |
57 |
Correct |
42 ms |
86468 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
41 ms |
86356 KB |
Output is correct |
2 |
Correct |
44 ms |
86364 KB |
Output is correct |
3 |
Correct |
42 ms |
86356 KB |
Output is correct |
4 |
Correct |
42 ms |
86324 KB |
Output is correct |
5 |
Correct |
42 ms |
86352 KB |
Output is correct |
6 |
Correct |
42 ms |
86356 KB |
Output is correct |
7 |
Correct |
52 ms |
86356 KB |
Output is correct |
8 |
Correct |
49 ms |
86356 KB |
Output is correct |
9 |
Correct |
42 ms |
86336 KB |
Output is correct |
10 |
Correct |
41 ms |
86356 KB |
Output is correct |
11 |
Correct |
44 ms |
86360 KB |
Output is correct |
12 |
Correct |
42 ms |
86356 KB |
Output is correct |
13 |
Correct |
43 ms |
86352 KB |
Output is correct |
14 |
Correct |
41 ms |
86368 KB |
Output is correct |
15 |
Correct |
43 ms |
86356 KB |
Output is correct |
16 |
Correct |
43 ms |
86360 KB |
Output is correct |
17 |
Correct |
41 ms |
86348 KB |
Output is correct |
18 |
Correct |
41 ms |
86560 KB |
Output is correct |
19 |
Correct |
50 ms |
86352 KB |
Output is correct |
20 |
Correct |
41 ms |
86352 KB |
Output is correct |
21 |
Correct |
40 ms |
86508 KB |
Output is correct |
22 |
Correct |
41 ms |
86352 KB |
Output is correct |
23 |
Correct |
41 ms |
86356 KB |
Output is correct |
24 |
Correct |
48 ms |
86356 KB |
Output is correct |
25 |
Correct |
43 ms |
86340 KB |
Output is correct |
26 |
Correct |
36 ms |
86460 KB |
Output is correct |
27 |
Correct |
48 ms |
86384 KB |
Output is correct |
28 |
Correct |
41 ms |
86352 KB |
Output is correct |
29 |
Correct |
44 ms |
86356 KB |
Output is correct |
30 |
Correct |
41 ms |
86352 KB |
Output is correct |
31 |
Correct |
42 ms |
86352 KB |
Output is correct |
32 |
Correct |
44 ms |
86548 KB |
Output is correct |
33 |
Correct |
48 ms |
86352 KB |
Output is correct |
34 |
Correct |
44 ms |
86352 KB |
Output is correct |
35 |
Correct |
45 ms |
86352 KB |
Output is correct |
36 |
Correct |
41 ms |
86352 KB |
Output is correct |
37 |
Correct |
47 ms |
86316 KB |
Output is correct |
38 |
Correct |
44 ms |
86356 KB |
Output is correct |
39 |
Correct |
42 ms |
86472 KB |
Output is correct |
40 |
Correct |
49 ms |
86356 KB |
Output is correct |
41 |
Correct |
44 ms |
86348 KB |
Output is correct |
42 |
Correct |
40 ms |
86356 KB |
Output is correct |
43 |
Correct |
41 ms |
86328 KB |
Output is correct |
44 |
Correct |
43 ms |
86508 KB |
Output is correct |
45 |
Correct |
44 ms |
86352 KB |
Output is correct |
46 |
Correct |
46 ms |
86484 KB |
Output is correct |
47 |
Correct |
38 ms |
86504 KB |
Output is correct |
48 |
Correct |
42 ms |
86356 KB |
Output is correct |
49 |
Correct |
42 ms |
86352 KB |
Output is correct |
50 |
Correct |
40 ms |
86352 KB |
Output is correct |
51 |
Correct |
38 ms |
86548 KB |
Output is correct |
52 |
Correct |
43 ms |
86560 KB |
Output is correct |
53 |
Correct |
43 ms |
86356 KB |
Output is correct |
54 |
Correct |
52 ms |
86352 KB |
Output is correct |
55 |
Correct |
47 ms |
86352 KB |
Output is correct |
56 |
Correct |
41 ms |
86500 KB |
Output is correct |
57 |
Correct |
42 ms |
86468 KB |
Output is correct |
58 |
Correct |
44 ms |
86620 KB |
Output is correct |
59 |
Correct |
45 ms |
87124 KB |
Output is correct |
60 |
Correct |
52 ms |
87016 KB |
Output is correct |
61 |
Correct |
84 ms |
87120 KB |
Output is correct |
62 |
Correct |
167 ms |
87888 KB |
Output is correct |
63 |
Correct |
56 ms |
87900 KB |
Output is correct |
64 |
Correct |
102 ms |
87892 KB |
Output is correct |
65 |
Correct |
42 ms |
86356 KB |
Output is correct |
66 |
Correct |
44 ms |
86412 KB |
Output is correct |
67 |
Correct |
42 ms |
86356 KB |
Output is correct |
68 |
Correct |
41 ms |
86352 KB |
Output is correct |
69 |
Correct |
41 ms |
86356 KB |
Output is correct |
70 |
Correct |
42 ms |
86472 KB |
Output is correct |
71 |
Correct |
54 ms |
86612 KB |
Output is correct |
72 |
Correct |
43 ms |
86456 KB |
Output is correct |
73 |
Correct |
46 ms |
86608 KB |
Output is correct |
74 |
Correct |
47 ms |
87096 KB |
Output is correct |
75 |
Correct |
49 ms |
86976 KB |
Output is correct |
76 |
Correct |
93 ms |
87120 KB |
Output is correct |
77 |
Correct |
185 ms |
87864 KB |
Output is correct |
78 |
Correct |
54 ms |
87984 KB |
Output is correct |
79 |
Correct |
117 ms |
88008 KB |
Output is correct |
80 |
Correct |
56 ms |
87888 KB |
Output is correct |
81 |
Correct |
66 ms |
88144 KB |
Output is correct |
82 |
Correct |
182 ms |
87888 KB |
Output is correct |
83 |
Correct |
43 ms |
86352 KB |
Output is correct |
84 |
Correct |
42 ms |
86504 KB |
Output is correct |
85 |
Correct |
52 ms |
86608 KB |
Output is correct |
86 |
Correct |
50 ms |
86612 KB |
Output is correct |
87 |
Correct |
46 ms |
86572 KB |
Output is correct |
88 |
Correct |
45 ms |
87124 KB |
Output is correct |
89 |
Correct |
63 ms |
87180 KB |
Output is correct |
90 |
Correct |
85 ms |
87124 KB |
Output is correct |
91 |
Correct |
183 ms |
88468 KB |
Output is correct |
92 |
Correct |
51 ms |
88252 KB |
Output is correct |
93 |
Correct |
105 ms |
88308 KB |
Output is correct |
94 |
Correct |
41 ms |
86612 KB |
Output is correct |
95 |
Correct |
60 ms |
86608 KB |
Output is correct |
96 |
Correct |
42 ms |
86352 KB |
Output is correct |
97 |
Correct |
52 ms |
86352 KB |
Output is correct |
98 |
Correct |
43 ms |
86512 KB |
Output is correct |
99 |
Correct |
43 ms |
86360 KB |
Output is correct |