#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
#define pii pair<int, int>
#define pll pair<ll, ll>
#define ff first
#define ss second
#define vi vector<int>
#define vl vector<ll>
#define vii vector<pii>
#define vll vector<pll>
#define FOR(i,N) for(i=0;i<(N);++i)
#define FORe(i,N) for(i=1;i<=(N);++i)
#define FORr(i,a,b) for(i=(a);i<(b);++i)
#define FORrev(i,N) for(i=(N);i>=0;--i)
#define F0R(i,N) for(int i=0;i<(N);++i)
#define F0Re(i,N) for(int i=1;i<=(N);++i)
#define F0Rr(i,a,b) for(ll i=(a);i<(b);++i)
#define F0Rrev(i,N) for(int i=(N);i>=0;--i)
#define all(v) (v).begin(),(v).end()
#define dbgLine cerr<<" LINE : "<<__LINE__<<"\n"
#define ldd long double
using namespace std;
const int Alp = 26;
const int __PRECISION = 9;
const int inf = 1e9 + 8;
const ldd PI = acos(-1);
const ldd EPS = 1e-7;
const ll MOD = 1e9 + 7;
const ll MAXN = 2e5 + 5;
const ll ROOTN = 320;
const ll LOGN = 18;
const ll INF = 1e18 + 1022;
ll dp[101][100001], A[100001], N, K;
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
cin>>N>>K;
F0Re(i, N){
cin>>A[i];
}
dp[1][0] = 0;
F0Re(i, N){
dp[1][i] = max(dp[1][i-1], A[i]);
}
F0Re(k, K){
dp[k][0] = INF;
}
F0Rr(k, 2, K+1){
stack<pair<ll, pll>> S; // (A[i], (minDp[i], i))
F0Re(i, N){
ll mn = INF;
dp[k][i] = INF;
while((!S.empty()) && (S.top().ff <= A[i])){
mn = min(mn, S.top().ss.ff);
S.pop();
}
if(!S.empty()){
dp[k][i] = A[i]+dp[k-1][S.top().ss.ss];
if(k <= i){
dp[k][i] = min(dp[k][i], dp[k][S.top().ss.ss]);
}
}
dp[k][i] = min(dp[k][i], mn + A[i]);
S.push(mp(A[i], mp(min(dp[k-1][i], mn), i)));
// if(k > i){
// dp[k][i] = INF;
// }
}
}
cout<<dp[K][N]<<'\n';
assert(dp[K][N] < INF);
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
360 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
360 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
288 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
360 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
360 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
288 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
0 ms |
384 KB |
Output is correct |
23 |
Correct |
0 ms |
384 KB |
Output is correct |
24 |
Correct |
0 ms |
384 KB |
Output is correct |
25 |
Correct |
0 ms |
384 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
1 ms |
384 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
1 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
384 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
1 ms |
384 KB |
Output is correct |
35 |
Correct |
1 ms |
384 KB |
Output is correct |
36 |
Correct |
0 ms |
384 KB |
Output is correct |
37 |
Correct |
1 ms |
384 KB |
Output is correct |
38 |
Correct |
1 ms |
512 KB |
Output is correct |
39 |
Correct |
1 ms |
640 KB |
Output is correct |
40 |
Correct |
1 ms |
384 KB |
Output is correct |
41 |
Correct |
1 ms |
384 KB |
Output is correct |
42 |
Correct |
1 ms |
384 KB |
Output is correct |
43 |
Correct |
1 ms |
384 KB |
Output is correct |
44 |
Correct |
1 ms |
384 KB |
Output is correct |
45 |
Correct |
1 ms |
384 KB |
Output is correct |
46 |
Correct |
1 ms |
384 KB |
Output is correct |
47 |
Correct |
1 ms |
384 KB |
Output is correct |
48 |
Correct |
1 ms |
384 KB |
Output is correct |
49 |
Correct |
1 ms |
384 KB |
Output is correct |
50 |
Correct |
1 ms |
384 KB |
Output is correct |
51 |
Correct |
1 ms |
512 KB |
Output is correct |
52 |
Correct |
1 ms |
512 KB |
Output is correct |
53 |
Correct |
1 ms |
1024 KB |
Output is correct |
54 |
Correct |
1 ms |
1024 KB |
Output is correct |
55 |
Correct |
1 ms |
640 KB |
Output is correct |
56 |
Correct |
1 ms |
1024 KB |
Output is correct |
57 |
Correct |
1 ms |
1024 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
360 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
360 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
288 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
0 ms |
384 KB |
Output is correct |
23 |
Correct |
0 ms |
384 KB |
Output is correct |
24 |
Correct |
0 ms |
384 KB |
Output is correct |
25 |
Correct |
0 ms |
384 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
1 ms |
384 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
1 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
384 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
1 ms |
384 KB |
Output is correct |
35 |
Correct |
1 ms |
384 KB |
Output is correct |
36 |
Correct |
0 ms |
384 KB |
Output is correct |
37 |
Correct |
1 ms |
384 KB |
Output is correct |
38 |
Correct |
1 ms |
512 KB |
Output is correct |
39 |
Correct |
1 ms |
640 KB |
Output is correct |
40 |
Correct |
1 ms |
384 KB |
Output is correct |
41 |
Correct |
1 ms |
384 KB |
Output is correct |
42 |
Correct |
1 ms |
384 KB |
Output is correct |
43 |
Correct |
1 ms |
384 KB |
Output is correct |
44 |
Correct |
1 ms |
384 KB |
Output is correct |
45 |
Correct |
1 ms |
384 KB |
Output is correct |
46 |
Correct |
1 ms |
384 KB |
Output is correct |
47 |
Correct |
1 ms |
384 KB |
Output is correct |
48 |
Correct |
1 ms |
384 KB |
Output is correct |
49 |
Correct |
1 ms |
384 KB |
Output is correct |
50 |
Correct |
1 ms |
384 KB |
Output is correct |
51 |
Correct |
1 ms |
512 KB |
Output is correct |
52 |
Correct |
1 ms |
512 KB |
Output is correct |
53 |
Correct |
1 ms |
1024 KB |
Output is correct |
54 |
Correct |
1 ms |
1024 KB |
Output is correct |
55 |
Correct |
1 ms |
640 KB |
Output is correct |
56 |
Correct |
1 ms |
1024 KB |
Output is correct |
57 |
Correct |
1 ms |
1024 KB |
Output is correct |
58 |
Correct |
6 ms |
2560 KB |
Output is correct |
59 |
Correct |
5 ms |
1408 KB |
Output is correct |
60 |
Correct |
9 ms |
3456 KB |
Output is correct |
61 |
Correct |
56 ms |
27768 KB |
Output is correct |
62 |
Correct |
166 ms |
80116 KB |
Output is correct |
63 |
Correct |
14 ms |
4224 KB |
Output is correct |
64 |
Correct |
82 ms |
37112 KB |
Output is correct |
65 |
Correct |
1 ms |
512 KB |
Output is correct |
66 |
Correct |
1 ms |
640 KB |
Output is correct |
67 |
Correct |
1 ms |
640 KB |
Output is correct |
68 |
Correct |
1 ms |
768 KB |
Output is correct |
69 |
Correct |
1 ms |
384 KB |
Output is correct |
70 |
Correct |
1 ms |
512 KB |
Output is correct |
71 |
Correct |
21 ms |
8832 KB |
Output is correct |
72 |
Correct |
2 ms |
640 KB |
Output is correct |
73 |
Correct |
6 ms |
2560 KB |
Output is correct |
74 |
Correct |
5 ms |
1280 KB |
Output is correct |
75 |
Correct |
11 ms |
3456 KB |
Output is correct |
76 |
Correct |
71 ms |
27768 KB |
Output is correct |
77 |
Correct |
206 ms |
80092 KB |
Output is correct |
78 |
Correct |
15 ms |
4096 KB |
Output is correct |
79 |
Correct |
99 ms |
37112 KB |
Output is correct |
80 |
Correct |
11 ms |
2560 KB |
Output is correct |
81 |
Correct |
28 ms |
9592 KB |
Output is correct |
82 |
Correct |
207 ms |
80052 KB |
Output is correct |
83 |
Correct |
1 ms |
416 KB |
Output is correct |
84 |
Correct |
1 ms |
512 KB |
Output is correct |
85 |
Correct |
22 ms |
8960 KB |
Output is correct |
86 |
Correct |
2 ms |
768 KB |
Output is correct |
87 |
Correct |
7 ms |
2688 KB |
Output is correct |
88 |
Correct |
5 ms |
1280 KB |
Output is correct |
89 |
Correct |
15 ms |
3860 KB |
Output is correct |
90 |
Correct |
83 ms |
28192 KB |
Output is correct |
91 |
Correct |
245 ms |
80888 KB |
Output is correct |
92 |
Correct |
16 ms |
5036 KB |
Output is correct |
93 |
Correct |
115 ms |
37896 KB |
Output is correct |
94 |
Correct |
2 ms |
640 KB |
Output is correct |
95 |
Correct |
18 ms |
8832 KB |
Output is correct |
96 |
Correct |
1 ms |
512 KB |
Output is correct |
97 |
Correct |
1 ms |
384 KB |
Output is correct |
98 |
Correct |
1 ms |
384 KB |
Output is correct |
99 |
Correct |
1 ms |
384 KB |
Output is correct |