oj.uz

답안 #171768

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
171768 2019-12-30T10:47:54 Z VEGAnn K개의 묶음 (IZhO14_blocks) C++14
100 / 100
 261 ms 45136 KB 
#include <bits/stdc++.h>
#define sz(x) ((int)x.size())
#define PB push_back
#define MP make_pair
#define ft first
#define sd second
#define pii pair<int, int>
#define pi3 pair<pii, int>
#define MP3(a,b,c) MP(MP(a, b), c)
using namespace std;
const int oo = 1e9;
const int N = 100100;
const int K = 110;
const int PW = 20;
stack<pi3> st;
int f[N][K], a[N], n, k;
 
int main(){
  
  	ios_base::sync_with_stdio(0); cin.tie(0);
  
    cin >> n >> k;
    for (int i = 1; i <= n; i++)
        cin >> a[i];
    a[0] = oo;
 
    for (int i = 0; i <= n; i++)
        for (int j = 0; j <= k; j++)
            f[i][j] = oo;
 
    f[0][0] = 0;
 
    for (int j = 1; j <= k; j++) {
        while (sz(st)) st.pop();
 
        st.push(MP3(0, oo, oo));
 
        for (int i = 1; i <= n; i++){
 
            pi3 nw = MP3(i, f[i - 1][j - 1], 0);
 
            while (a[st.top().ft.ft] <= a[i]) {
                nw.ft.sd = min(nw.ft.sd, st.top().ft.sd);
                st.pop();
            }
 
            nw.sd = min(st.top().sd, nw.ft.sd + a[i]);
            st.push(nw);
 
            f[i][j] = nw.sd;
        }
    }
 
    cout << f[n][k];
    return 0;
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 420 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 0 ms 372 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 4 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 380 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 404 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 380 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct

Subtask #4
47.0 / 47.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 4728 KB Output is correct
2 Correct 22 ms 19576 KB Output is correct
3 Correct 27 ms 19832 KB Output is correct
4 Correct 78 ms 19692 KB Output is correct
5 Correct 217 ms 44024 KB Output is correct
6 Correct 54 ms 44536 KB Output is correct
7 Correct 127 ms 44636 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 760 KB Output is correct
13 Correct 3 ms 760 KB Output is correct
14 Correct 23 ms 4728 KB Output is correct
15 Correct 7 ms 4728 KB Output is correct
16 Correct 10 ms 4728 KB Output is correct
17 Correct 23 ms 19932 KB Output is correct
18 Correct 27 ms 19960 KB Output is correct
19 Correct 83 ms 20132 KB Output is correct
20 Correct 247 ms 44664 KB Output is correct
21 Correct 53 ms 44536 KB Output is correct
22 Correct 133 ms 44592 KB Output is correct
23 Correct 50 ms 44408 KB Output is correct
24 Correct 70 ms 44408 KB Output is correct
25 Correct 239 ms 44536 KB Output is correct
26 Correct 2 ms 760 KB Output is correct
27 Correct 2 ms 760 KB Output is correct
28 Correct 22 ms 4856 KB Output is correct
29 Correct 7 ms 4828 KB Output is correct
30 Correct 11 ms 4748 KB Output is correct
31 Correct 24 ms 20088 KB Output is correct
32 Correct 28 ms 20216 KB Output is correct
33 Correct 87 ms 20216 KB Output is correct
34 Correct 261 ms 44592 KB Output is correct
35 Correct 56 ms 45036 KB Output is correct
36 Correct 147 ms 45136 KB Output is correct
37 Correct 7 ms 4728 KB Output is correct
38 Correct 19 ms 4728 KB Output is correct
39 Correct 2 ms 760 KB Output is correct
40 Correct 2 ms 760 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 2 ms 376 KB Output is correct