#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <memory.h>
#include <math.h>
#include <assert.h>
#include <stack>
#include <queue>
#include <map>
#include <set>
#include <algorithm>
#include <string>
#include <functional>
#include <vector>
#include <deque>
#include <utility>
#include <bitset>
#include <limits.h>
#include <time.h>
using namespace std;
typedef long long ll;
typedef unsigned long long llu;
typedef double lf;
typedef unsigned int uint;
typedef long double llf;
typedef pair<int, int> pii;
const int N_ = 100500;
const int K_ = 105;
int N, K, A[N_];
int tb[K_][N_];
vector<pii> stk;
int main() {
scanf("%d%d", &N, &K);
for (int i = 1; i <= N; i++) scanf("%d", A + i);
for (int i = 1; i <= N; i++) tb[0][i] = (int)2e8;
for (int k = 1; k <= K; k++) {
stk.clear();
tb[k][k] = tb[k - 1][k - 1] + A[k];
stk.push_back(pii(A[k], tb[k - 1][k - 1]));
for (int i = k+1; i <= N; i++) {
int c = tb[k - 1][i - 1];
while (!stk.empty() && stk.rbegin()->first <= A[i]) {
c = min(c, stk.rbegin()->second);
stk.pop_back();
}
stk.push_back(pii(A[i], c));
tb[k][i] = stk.rbegin()->first + stk.rbegin()->second;
}
}
printf("%d\n", tb[K][N]);
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
42824 KB |
Output is correct |
2 |
Incorrect |
0 ms |
42824 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Halted |
0 ms |
0 KB |
- |