#include<bits/stdc++.h>
using namespace std;
const int N = 1e5 + 100;
int n , k , a[N] , l[N] , dp[N];
struct node{
int dp_min , mn , lz;
};
vector<node> t(4 * N);
node merge(node x , node y){
x.dp_min = min(x.dp_min , y.dp_min);
x.mn = min(x.mn , y.mn);
return x;
}
void push(int u){
if(t[u].lz == -1){
return;
}
t[u * 2].mn = t[u].lz + t[u * 2].dp_min;
t[u * 2 + 1].mn = t[u].lz + t[u * 2 + 1].mn;
t[u * 2].lz = t[u].lz;
t[u * 2 + 1].lz = t[u].lz;
t[u].lz = -1;
}
void build(int u , int l , int r){
if(l == r){
t[u].dp_min = dp[l - 1];
t[u].mn = 1e9;
t[u].lz = -1;
return;
}
int m = (l + r) / 2;
build(u * 2 , l , m);
build(u * 2 + 1 , m + 1 , r);
t[u] = merge(t[u * 2] , t[u * 2 + 1]);
}
void upd(int u , int l , int r , int L , int R , int x){
if(l > r || r < L || l > R){
return;
}
if(L <= l && r <= R){
t[u].mn = t[u].dp_min + x;
t[u].lz = x;
return;
}
int m = (l + r) / 2;
upd(u * 2 , l , m , L , R , x);
upd(u * 2 + 1 , m + 1 , r , L , R , x);
t[u] = merge(t[u * 2] , t[u * 2 + 1]);
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin >> n >> k;
int _mx = 0;
dp[0] = 1e9;
for(int i = 1;i <= n;i ++){
cin >> a[i];
l[i] = i - 1;
while(l[i] > 0 && a[i] > a[l[i]]){
l[i] = l[l[i]];
}
_mx = max(_mx , a[i]);
dp[i] =_mx;
}
for(int x = 1;x < k;x ++){
build(1 , 1 , n);
for(int i = 1;i <= n;i ++){
upd(1 , 1 , n , l[i] + 1 , i , a[i]);
dp[i] = t[1].mn;
}
}
cout << dp[n] << endl;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 5 |
Correct |
2 ms |
5180 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 7 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 8 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 11 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 13 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 14 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 16 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 18 |
Correct |
2 ms |
4952 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4968 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 5 |
Correct |
3 ms |
5152 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 7 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 8 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 11 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 12 |
Correct |
2 ms |
5180 KB |
Output is correct |
| 13 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 14 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 16 |
Correct |
2 ms |
4984 KB |
Output is correct |
| 17 |
Correct |
3 ms |
4956 KB |
Output is correct |
| 18 |
Correct |
2 ms |
4984 KB |
Output is correct |
| 19 |
Correct |
3 ms |
5184 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4956 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 5 |
Correct |
2 ms |
5180 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 7 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 8 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 11 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 13 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 14 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 16 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 18 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 19 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4968 KB |
Output is correct |
| 22 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 23 |
Correct |
3 ms |
5152 KB |
Output is correct |
| 24 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 25 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 26 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 27 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 28 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 29 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 30 |
Correct |
2 ms |
5180 KB |
Output is correct |
| 31 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 32 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 33 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 34 |
Correct |
2 ms |
4984 KB |
Output is correct |
| 35 |
Correct |
3 ms |
4956 KB |
Output is correct |
| 36 |
Correct |
2 ms |
4984 KB |
Output is correct |
| 37 |
Correct |
3 ms |
5184 KB |
Output is correct |
| 38 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 39 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 40 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 41 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 42 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 43 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 44 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 45 |
Correct |
2 ms |
5340 KB |
Output is correct |
| 46 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 47 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 48 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 49 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 50 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 51 |
Correct |
2 ms |
5184 KB |
Output is correct |
| 52 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 53 |
Correct |
3 ms |
4956 KB |
Output is correct |
| 54 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 55 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 56 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 57 |
Correct |
3 ms |
4956 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 5 |
Correct |
2 ms |
5180 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 7 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 8 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 11 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 13 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 14 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 16 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 18 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 19 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4968 KB |
Output is correct |
| 22 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 23 |
Correct |
3 ms |
5152 KB |
Output is correct |
| 24 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 25 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 26 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 27 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 28 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 29 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 30 |
Correct |
2 ms |
5180 KB |
Output is correct |
| 31 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 32 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 33 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 34 |
Correct |
2 ms |
4984 KB |
Output is correct |
| 35 |
Correct |
3 ms |
4956 KB |
Output is correct |
| 36 |
Correct |
2 ms |
4984 KB |
Output is correct |
| 37 |
Correct |
3 ms |
5184 KB |
Output is correct |
| 38 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 39 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 40 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 41 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 42 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 43 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 44 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 45 |
Correct |
2 ms |
5340 KB |
Output is correct |
| 46 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 47 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 48 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 49 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 50 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 51 |
Correct |
2 ms |
5184 KB |
Output is correct |
| 52 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 53 |
Correct |
3 ms |
4956 KB |
Output is correct |
| 54 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 55 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 56 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 57 |
Correct |
3 ms |
4956 KB |
Output is correct |
| 58 |
Correct |
29 ms |
5208 KB |
Output is correct |
| 59 |
Correct |
5 ms |
5980 KB |
Output is correct |
| 60 |
Correct |
42 ms |
5988 KB |
Output is correct |
| 61 |
Correct |
397 ms |
5980 KB |
Output is correct |
| 62 |
Execution timed out |
1034 ms |
6984 KB |
Time limit exceeded |
| 63 |
Halted |
0 ms |
0 KB |
- |
