/*
Code written by Talant I.D.
*/
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
#include <ext/rope>
//#include <ext/pb_ds/assoc_container.hpp>
//using namespace __gnu_pbds;
using namespace __gnu_cxx;
using namespace std;
//typedef tree <int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
#define precision(n) fixed << setprecision(n)
#define pb push_back
#define ub upper_bound
#define lb lower_bound
#define mp make_pair
#define eps (double)1e-9
#define PI 2*acos(0.0)
#define endl "\n"
#define sz(v) int((v).size())
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define do_not_disturb ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define OK cout << "OK" << endl;
inline bool isvowel(char ch){
ch = tolower(ch);
return (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u');
}
inline bool isprime(int n){
if(n < 2 || (n%2 == 0 && n != 2)) return false;
for(int i = 3; i*i <= n; i++)
if(n%i == 0) return false;
return true;
}
class Union{
private:
vector <int> saizu, link;
public:
Union(int n){
saizu.assign(n, 1); link.resize(n);
iota(all(link), 0);
}
int find(int n){
if(link[n] == n) return n;
return link[n] = find(link[n]);
}
int same(int a, int b){
return find(a) == find(b);
}
void unite(int a, int b){
if(same(a, b)) return;
a = find(a); b = find(b);
if(saizu[a] < saizu[b]) swap(a, b);
saizu[a] += saizu[b];
link[b] = a;
}
int getsize(int a){
return saizu[find(a)];
}
};
const int mod = 1e9+7;
ll mode(ll a){
a %= mod;
if(a < 0) a += mod;
return a;
}
ll subt(ll a, ll b){
return mode(mode(a)-mode(b));
}
ll add(ll a, ll b){
return mode(mode(a)+mode(b));
}
ll mult(ll a, ll b){
return mode(mode(a)*mode(b));
}
ll binpow(ll a, ll b){
ll res = 1;
while(b){
if(b&1) res = mult(res, a);
a = mult(a, a);
b >>= 1;
}
return res;
}
const int N = 2e5+7, M = 505;
ll dp[N][M], v[N];
int main(){
do_not_disturb
int n, k;
cin >> n >> k;
ll mx = 0;
for(int i = 1; i <= n; i++){
cin >> v[i];
mx = max(mx, v[i]);
dp[i][0] = 1e9+7;
dp[i][1] = mx;
}
for(int j = 2; j <= k; j++){
vector <pll> st;
for(int i = j; i <= n; i++){
ll tmp = dp[i-1][j-1];
while(sz(st) && st.back().first < v[i]){
tmp = min(tmp, st.back().second);
st.pop_back();
}
if(!sz(st) || st.back().first+st.back().second > tmp+v[i]) st.pb(mp(v[i], tmp));
dp[i][j] = st.back().first+st.back().second;
}
}
cout << dp[n][k];
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
0 ms |
364 KB |
Output is correct |
11 |
Correct |
0 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
748 KB |
Output is correct |
13 |
Correct |
1 ms |
748 KB |
Output is correct |
14 |
Correct |
1 ms |
748 KB |
Output is correct |
15 |
Correct |
1 ms |
748 KB |
Output is correct |
16 |
Correct |
1 ms |
748 KB |
Output is correct |
17 |
Correct |
1 ms |
748 KB |
Output is correct |
18 |
Correct |
1 ms |
748 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
0 ms |
364 KB |
Output is correct |
6 |
Correct |
0 ms |
364 KB |
Output is correct |
7 |
Correct |
0 ms |
364 KB |
Output is correct |
8 |
Correct |
0 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
0 ms |
364 KB |
Output is correct |
17 |
Correct |
0 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
0 ms |
364 KB |
Output is correct |
11 |
Correct |
0 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
748 KB |
Output is correct |
13 |
Correct |
1 ms |
748 KB |
Output is correct |
14 |
Correct |
1 ms |
748 KB |
Output is correct |
15 |
Correct |
1 ms |
748 KB |
Output is correct |
16 |
Correct |
1 ms |
748 KB |
Output is correct |
17 |
Correct |
1 ms |
748 KB |
Output is correct |
18 |
Correct |
1 ms |
748 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
0 ms |
364 KB |
Output is correct |
24 |
Correct |
0 ms |
364 KB |
Output is correct |
25 |
Correct |
0 ms |
364 KB |
Output is correct |
26 |
Correct |
0 ms |
364 KB |
Output is correct |
27 |
Correct |
1 ms |
364 KB |
Output is correct |
28 |
Correct |
1 ms |
364 KB |
Output is correct |
29 |
Correct |
1 ms |
364 KB |
Output is correct |
30 |
Correct |
1 ms |
364 KB |
Output is correct |
31 |
Correct |
1 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
364 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |
34 |
Correct |
0 ms |
364 KB |
Output is correct |
35 |
Correct |
0 ms |
364 KB |
Output is correct |
36 |
Correct |
1 ms |
364 KB |
Output is correct |
37 |
Correct |
1 ms |
364 KB |
Output is correct |
38 |
Correct |
1 ms |
364 KB |
Output is correct |
39 |
Correct |
1 ms |
748 KB |
Output is correct |
40 |
Correct |
1 ms |
364 KB |
Output is correct |
41 |
Correct |
1 ms |
364 KB |
Output is correct |
42 |
Correct |
0 ms |
364 KB |
Output is correct |
43 |
Correct |
1 ms |
364 KB |
Output is correct |
44 |
Correct |
0 ms |
364 KB |
Output is correct |
45 |
Correct |
1 ms |
364 KB |
Output is correct |
46 |
Correct |
1 ms |
364 KB |
Output is correct |
47 |
Correct |
1 ms |
364 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 |
364 KB |
Output is correct |
51 |
Correct |
1 ms |
748 KB |
Output is correct |
52 |
Correct |
1 ms |
748 KB |
Output is correct |
53 |
Correct |
1 ms |
748 KB |
Output is correct |
54 |
Correct |
1 ms |
748 KB |
Output is correct |
55 |
Correct |
1 ms |
748 KB |
Output is correct |
56 |
Correct |
1 ms |
748 KB |
Output is correct |
57 |
Correct |
1 ms |
748 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
0 ms |
364 KB |
Output is correct |
11 |
Correct |
0 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
748 KB |
Output is correct |
13 |
Correct |
1 ms |
748 KB |
Output is correct |
14 |
Correct |
1 ms |
748 KB |
Output is correct |
15 |
Correct |
1 ms |
748 KB |
Output is correct |
16 |
Correct |
1 ms |
748 KB |
Output is correct |
17 |
Correct |
1 ms |
748 KB |
Output is correct |
18 |
Correct |
1 ms |
748 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
0 ms |
364 KB |
Output is correct |
24 |
Correct |
0 ms |
364 KB |
Output is correct |
25 |
Correct |
0 ms |
364 KB |
Output is correct |
26 |
Correct |
0 ms |
364 KB |
Output is correct |
27 |
Correct |
1 ms |
364 KB |
Output is correct |
28 |
Correct |
1 ms |
364 KB |
Output is correct |
29 |
Correct |
1 ms |
364 KB |
Output is correct |
30 |
Correct |
1 ms |
364 KB |
Output is correct |
31 |
Correct |
1 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
364 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |
34 |
Correct |
0 ms |
364 KB |
Output is correct |
35 |
Correct |
0 ms |
364 KB |
Output is correct |
36 |
Correct |
1 ms |
364 KB |
Output is correct |
37 |
Correct |
1 ms |
364 KB |
Output is correct |
38 |
Correct |
1 ms |
364 KB |
Output is correct |
39 |
Correct |
1 ms |
748 KB |
Output is correct |
40 |
Correct |
1 ms |
364 KB |
Output is correct |
41 |
Correct |
1 ms |
364 KB |
Output is correct |
42 |
Correct |
0 ms |
364 KB |
Output is correct |
43 |
Correct |
1 ms |
364 KB |
Output is correct |
44 |
Correct |
0 ms |
364 KB |
Output is correct |
45 |
Correct |
1 ms |
364 KB |
Output is correct |
46 |
Correct |
1 ms |
364 KB |
Output is correct |
47 |
Correct |
1 ms |
364 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 |
364 KB |
Output is correct |
51 |
Correct |
1 ms |
748 KB |
Output is correct |
52 |
Correct |
1 ms |
748 KB |
Output is correct |
53 |
Correct |
1 ms |
748 KB |
Output is correct |
54 |
Correct |
1 ms |
748 KB |
Output is correct |
55 |
Correct |
1 ms |
748 KB |
Output is correct |
56 |
Correct |
1 ms |
748 KB |
Output is correct |
57 |
Correct |
1 ms |
748 KB |
Output is correct |
58 |
Correct |
25 ms |
39916 KB |
Output is correct |
59 |
Correct |
90 ms |
176364 KB |
Output is correct |
60 |
Correct |
94 ms |
176364 KB |
Output is correct |
61 |
Correct |
160 ms |
176396 KB |
Output is correct |
62 |
Runtime error |
137 ms |
262148 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
63 |
Halted |
0 ms |
0 KB |
- |