#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define sz(x) (int)x.size()
#define ALL(v) v.begin(),v.end()
#define MASK(k) (1LL << (k))
#define BIT(x, i) (((x) >> (i)) & 1)
#define oo (ll)1e18
#define INF (ll)1e9
#define MOD (ll)(1e9 + 7)
using namespace std;
template<class T1, class T2>
bool maximize(T1 &a, T2 b){if(a < b){a = b; return true;} return false;}
template<class T1, class T2>
bool minimize(T1 &a, T2 b){if(a > b){a = b; return true;} return false;}
template<class T1, class T2>
void add(T1 &a, T2 b){a += b; if(a >= MOD) a -= MOD;}
template<class T1, class T2>
void sub(T1 &a, T2 b){a -= b; if(a < 0) a += MOD;}
template<class T>
void cps(T &v){sort(ALL(v)); v.resize(unique(ALL(v)) - v.begin());}
const int N = 1e5 + 10, K = 1e2 + 10;
int n, k;
int a[N];
void input(){
cin >> n >> k;
for(int i=1; i<=n; i++){
cin >> a[i];
}
}
namespace subtask3{
ll f[K][K];
void solve(){
memset(f, 0x3f, sizeof f);
f[0][0] = 0;
for(int i=0; i<k; i++) for(int j=0; j<n; j++) if(f[i][j] < oo){
int ma = 0;
for(int p=j+1; p<=n; p++){
maximize(ma, a[p]);
minimize(f[i + 1][p], f[i][j] + ma);
}
}
cout << f[k][n] << '\n';
}
}
namespace subtask4{
int f[K][N];
void solve(){
memset(f, 0x3f, sizeof f);
f[1][1] = a[1];
for(int i=2; i<=n; i++){
f[1][i] = max(f[1][i - 1], a[i]);
// cout << f[1][i] << ' ';
}
// cout << '\n';
a[0] = INF;
for(int i=2; i<=k; i++){
stack<pair<int, int>> st;
for(int j=1; j<=n; j++){
int num = f[i - 1][j - 1];
while(!st.empty() && a[st.top().fi] <= a[j]){
minimize(num, st.top().se);
st.pop();
}
if(st.empty() || a[j] + num < a[st.top().fi] + st.top().se) st.push(make_pair(j, num));
if(j >= i){
f[i][j] = a[st.top().fi] + st.top().se;
}
// cout << f[i][j] << ' ';
}
// cout << '\n';
}
cout << f[k][n] << '\n';
}
}
signed main(){
ios_base::sync_with_stdio(0); cin.tie(0);
// freopen("task.inp", "r", stdin);
// freopen("task.out", "w", stdout);
input();
return subtask4::solve(), 0;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
43352 KB |
Output is correct |
2 |
Correct |
17 ms |
43356 KB |
Output is correct |
3 |
Correct |
18 ms |
43312 KB |
Output is correct |
4 |
Correct |
18 ms |
43292 KB |
Output is correct |
5 |
Correct |
17 ms |
43356 KB |
Output is correct |
6 |
Correct |
17 ms |
43356 KB |
Output is correct |
7 |
Correct |
20 ms |
43356 KB |
Output is correct |
8 |
Correct |
17 ms |
43352 KB |
Output is correct |
9 |
Correct |
22 ms |
43612 KB |
Output is correct |
10 |
Correct |
18 ms |
43356 KB |
Output is correct |
11 |
Correct |
18 ms |
43352 KB |
Output is correct |
12 |
Correct |
17 ms |
43356 KB |
Output is correct |
13 |
Correct |
17 ms |
43356 KB |
Output is correct |
14 |
Correct |
16 ms |
43356 KB |
Output is correct |
15 |
Correct |
16 ms |
43416 KB |
Output is correct |
16 |
Correct |
17 ms |
43352 KB |
Output is correct |
17 |
Correct |
16 ms |
43356 KB |
Output is correct |
18 |
Correct |
17 ms |
43404 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
43608 KB |
Output is correct |
2 |
Correct |
18 ms |
43380 KB |
Output is correct |
3 |
Correct |
17 ms |
43352 KB |
Output is correct |
4 |
Correct |
18 ms |
43352 KB |
Output is correct |
5 |
Correct |
16 ms |
43476 KB |
Output is correct |
6 |
Correct |
18 ms |
43352 KB |
Output is correct |
7 |
Correct |
17 ms |
43356 KB |
Output is correct |
8 |
Correct |
17 ms |
43468 KB |
Output is correct |
9 |
Correct |
17 ms |
43280 KB |
Output is correct |
10 |
Correct |
16 ms |
43352 KB |
Output is correct |
11 |
Correct |
16 ms |
43468 KB |
Output is correct |
12 |
Correct |
17 ms |
43356 KB |
Output is correct |
13 |
Correct |
21 ms |
43352 KB |
Output is correct |
14 |
Correct |
16 ms |
43356 KB |
Output is correct |
15 |
Correct |
18 ms |
43356 KB |
Output is correct |
16 |
Correct |
17 ms |
43356 KB |
Output is correct |
17 |
Correct |
17 ms |
43352 KB |
Output is correct |
18 |
Correct |
17 ms |
43356 KB |
Output is correct |
19 |
Correct |
17 ms |
43356 KB |
Output is correct |
20 |
Correct |
16 ms |
43484 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
43352 KB |
Output is correct |
2 |
Correct |
17 ms |
43356 KB |
Output is correct |
3 |
Correct |
18 ms |
43312 KB |
Output is correct |
4 |
Correct |
18 ms |
43292 KB |
Output is correct |
5 |
Correct |
17 ms |
43356 KB |
Output is correct |
6 |
Correct |
17 ms |
43356 KB |
Output is correct |
7 |
Correct |
20 ms |
43356 KB |
Output is correct |
8 |
Correct |
17 ms |
43352 KB |
Output is correct |
9 |
Correct |
22 ms |
43612 KB |
Output is correct |
10 |
Correct |
18 ms |
43356 KB |
Output is correct |
11 |
Correct |
18 ms |
43352 KB |
Output is correct |
12 |
Correct |
17 ms |
43356 KB |
Output is correct |
13 |
Correct |
17 ms |
43356 KB |
Output is correct |
14 |
Correct |
16 ms |
43356 KB |
Output is correct |
15 |
Correct |
16 ms |
43416 KB |
Output is correct |
16 |
Correct |
17 ms |
43352 KB |
Output is correct |
17 |
Correct |
16 ms |
43356 KB |
Output is correct |
18 |
Correct |
17 ms |
43404 KB |
Output is correct |
19 |
Correct |
17 ms |
43608 KB |
Output is correct |
20 |
Correct |
18 ms |
43380 KB |
Output is correct |
21 |
Correct |
17 ms |
43352 KB |
Output is correct |
22 |
Correct |
18 ms |
43352 KB |
Output is correct |
23 |
Correct |
16 ms |
43476 KB |
Output is correct |
24 |
Correct |
18 ms |
43352 KB |
Output is correct |
25 |
Correct |
17 ms |
43356 KB |
Output is correct |
26 |
Correct |
17 ms |
43468 KB |
Output is correct |
27 |
Correct |
17 ms |
43280 KB |
Output is correct |
28 |
Correct |
16 ms |
43352 KB |
Output is correct |
29 |
Correct |
16 ms |
43468 KB |
Output is correct |
30 |
Correct |
17 ms |
43356 KB |
Output is correct |
31 |
Correct |
21 ms |
43352 KB |
Output is correct |
32 |
Correct |
16 ms |
43356 KB |
Output is correct |
33 |
Correct |
18 ms |
43356 KB |
Output is correct |
34 |
Correct |
17 ms |
43356 KB |
Output is correct |
35 |
Correct |
17 ms |
43352 KB |
Output is correct |
36 |
Correct |
17 ms |
43356 KB |
Output is correct |
37 |
Correct |
17 ms |
43356 KB |
Output is correct |
38 |
Correct |
16 ms |
43484 KB |
Output is correct |
39 |
Correct |
16 ms |
43356 KB |
Output is correct |
40 |
Correct |
18 ms |
43336 KB |
Output is correct |
41 |
Correct |
23 ms |
43348 KB |
Output is correct |
42 |
Correct |
18 ms |
43356 KB |
Output is correct |
43 |
Correct |
17 ms |
43428 KB |
Output is correct |
44 |
Correct |
17 ms |
43356 KB |
Output is correct |
45 |
Correct |
18 ms |
43416 KB |
Output is correct |
46 |
Correct |
17 ms |
43356 KB |
Output is correct |
47 |
Correct |
17 ms |
43504 KB |
Output is correct |
48 |
Correct |
18 ms |
43356 KB |
Output is correct |
49 |
Correct |
19 ms |
43348 KB |
Output is correct |
50 |
Correct |
24 ms |
43352 KB |
Output is correct |
51 |
Correct |
17 ms |
43608 KB |
Output is correct |
52 |
Correct |
17 ms |
43356 KB |
Output is correct |
53 |
Correct |
17 ms |
43352 KB |
Output is correct |
54 |
Correct |
17 ms |
43356 KB |
Output is correct |
55 |
Correct |
18 ms |
43488 KB |
Output is correct |
56 |
Correct |
17 ms |
43356 KB |
Output is correct |
57 |
Correct |
18 ms |
43304 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
43352 KB |
Output is correct |
2 |
Correct |
17 ms |
43356 KB |
Output is correct |
3 |
Correct |
18 ms |
43312 KB |
Output is correct |
4 |
Correct |
18 ms |
43292 KB |
Output is correct |
5 |
Correct |
17 ms |
43356 KB |
Output is correct |
6 |
Correct |
17 ms |
43356 KB |
Output is correct |
7 |
Correct |
20 ms |
43356 KB |
Output is correct |
8 |
Correct |
17 ms |
43352 KB |
Output is correct |
9 |
Correct |
22 ms |
43612 KB |
Output is correct |
10 |
Correct |
18 ms |
43356 KB |
Output is correct |
11 |
Correct |
18 ms |
43352 KB |
Output is correct |
12 |
Correct |
17 ms |
43356 KB |
Output is correct |
13 |
Correct |
17 ms |
43356 KB |
Output is correct |
14 |
Correct |
16 ms |
43356 KB |
Output is correct |
15 |
Correct |
16 ms |
43416 KB |
Output is correct |
16 |
Correct |
17 ms |
43352 KB |
Output is correct |
17 |
Correct |
16 ms |
43356 KB |
Output is correct |
18 |
Correct |
17 ms |
43404 KB |
Output is correct |
19 |
Correct |
17 ms |
43608 KB |
Output is correct |
20 |
Correct |
18 ms |
43380 KB |
Output is correct |
21 |
Correct |
17 ms |
43352 KB |
Output is correct |
22 |
Correct |
18 ms |
43352 KB |
Output is correct |
23 |
Correct |
16 ms |
43476 KB |
Output is correct |
24 |
Correct |
18 ms |
43352 KB |
Output is correct |
25 |
Correct |
17 ms |
43356 KB |
Output is correct |
26 |
Correct |
17 ms |
43468 KB |
Output is correct |
27 |
Correct |
17 ms |
43280 KB |
Output is correct |
28 |
Correct |
16 ms |
43352 KB |
Output is correct |
29 |
Correct |
16 ms |
43468 KB |
Output is correct |
30 |
Correct |
17 ms |
43356 KB |
Output is correct |
31 |
Correct |
21 ms |
43352 KB |
Output is correct |
32 |
Correct |
16 ms |
43356 KB |
Output is correct |
33 |
Correct |
18 ms |
43356 KB |
Output is correct |
34 |
Correct |
17 ms |
43356 KB |
Output is correct |
35 |
Correct |
17 ms |
43352 KB |
Output is correct |
36 |
Correct |
17 ms |
43356 KB |
Output is correct |
37 |
Correct |
17 ms |
43356 KB |
Output is correct |
38 |
Correct |
16 ms |
43484 KB |
Output is correct |
39 |
Correct |
16 ms |
43356 KB |
Output is correct |
40 |
Correct |
18 ms |
43336 KB |
Output is correct |
41 |
Correct |
23 ms |
43348 KB |
Output is correct |
42 |
Correct |
18 ms |
43356 KB |
Output is correct |
43 |
Correct |
17 ms |
43428 KB |
Output is correct |
44 |
Correct |
17 ms |
43356 KB |
Output is correct |
45 |
Correct |
18 ms |
43416 KB |
Output is correct |
46 |
Correct |
17 ms |
43356 KB |
Output is correct |
47 |
Correct |
17 ms |
43504 KB |
Output is correct |
48 |
Correct |
18 ms |
43356 KB |
Output is correct |
49 |
Correct |
19 ms |
43348 KB |
Output is correct |
50 |
Correct |
24 ms |
43352 KB |
Output is correct |
51 |
Correct |
17 ms |
43608 KB |
Output is correct |
52 |
Correct |
17 ms |
43356 KB |
Output is correct |
53 |
Correct |
17 ms |
43352 KB |
Output is correct |
54 |
Correct |
17 ms |
43356 KB |
Output is correct |
55 |
Correct |
18 ms |
43488 KB |
Output is correct |
56 |
Correct |
17 ms |
43356 KB |
Output is correct |
57 |
Correct |
18 ms |
43304 KB |
Output is correct |
58 |
Correct |
20 ms |
43612 KB |
Output is correct |
59 |
Correct |
20 ms |
43864 KB |
Output is correct |
60 |
Correct |
23 ms |
43868 KB |
Output is correct |
61 |
Correct |
44 ms |
43980 KB |
Output is correct |
62 |
Correct |
98 ms |
44568 KB |
Output is correct |
63 |
Correct |
25 ms |
44368 KB |
Output is correct |
64 |
Correct |
60 ms |
44368 KB |
Output is correct |
65 |
Correct |
17 ms |
43352 KB |
Output is correct |
66 |
Correct |
17 ms |
43356 KB |
Output is correct |
67 |
Correct |
17 ms |
43468 KB |
Output is correct |
68 |
Correct |
22 ms |
43608 KB |
Output is correct |
69 |
Correct |
17 ms |
43356 KB |
Output is correct |
70 |
Correct |
18 ms |
43388 KB |
Output is correct |
71 |
Correct |
25 ms |
43608 KB |
Output is correct |
72 |
Correct |
17 ms |
43608 KB |
Output is correct |
73 |
Correct |
18 ms |
43408 KB |
Output is correct |
74 |
Correct |
19 ms |
43852 KB |
Output is correct |
75 |
Correct |
20 ms |
43868 KB |
Output is correct |
76 |
Correct |
44 ms |
43808 KB |
Output is correct |
77 |
Correct |
95 ms |
44380 KB |
Output is correct |
78 |
Correct |
25 ms |
44368 KB |
Output is correct |
79 |
Correct |
55 ms |
44380 KB |
Output is correct |
80 |
Correct |
24 ms |
44368 KB |
Output is correct |
81 |
Correct |
28 ms |
44368 KB |
Output is correct |
82 |
Correct |
92 ms |
44564 KB |
Output is correct |
83 |
Correct |
17 ms |
43356 KB |
Output is correct |
84 |
Correct |
18 ms |
43356 KB |
Output is correct |
85 |
Correct |
27 ms |
43608 KB |
Output is correct |
86 |
Correct |
17 ms |
43612 KB |
Output is correct |
87 |
Correct |
18 ms |
43612 KB |
Output is correct |
88 |
Correct |
19 ms |
43884 KB |
Output is correct |
89 |
Correct |
21 ms |
44124 KB |
Output is correct |
90 |
Correct |
52 ms |
44120 KB |
Output is correct |
91 |
Correct |
126 ms |
44856 KB |
Output is correct |
92 |
Correct |
27 ms |
44728 KB |
Output is correct |
93 |
Correct |
68 ms |
44856 KB |
Output is correct |
94 |
Correct |
18 ms |
43612 KB |
Output is correct |
95 |
Correct |
24 ms |
43468 KB |
Output is correct |
96 |
Correct |
17 ms |
43352 KB |
Output is correct |
97 |
Correct |
22 ms |
43356 KB |
Output is correct |
98 |
Correct |
19 ms |
43524 KB |
Output is correct |
99 |
Correct |
22 ms |
43376 KB |
Output is correct |