답안 #867959

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
867959	2023-10-30T01:54:12 Z	mgl_diamond	K개의 묶음 (IZhO14_blocks)	C++17	100 / 100	131 ms	4420 KB

blocks

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ii = pair<int, int>;

#define foru(i, l, r) for(int i=(l); i<=(r); ++i)
#define ford(i, l, r) for(int i=(l); i>=(r); --i)
#define fore(x, v) for(auto &x : v)
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
#define fi first
#define se second
#define file "input"

void setIO() {
  ios::sync_with_stdio(0);
  cin.tie(0); cout.tie(0);
  if (fopen(file".inp", "r")) {
    freopen(file".inp", "r", stdin);
    freopen(file".out", "w", stdout);
  }
}

const ll INF = 1e18;
const int N = 1e5+5, K = 1e2+2;

int n, k;
ll a[N], prv[N], cur[N], f[N];

int main() {
  setIO();

  memset(prv, 0x3f, sizeof(prv));
  cin >> n >> k;
  foru(i, 1, n) {
    cin >> a[i];
    prv[i] = a[i];
    if (i > 1 && prv[i] < prv[i-1]) prv[i] = prv[i-1];
  }

  foru(i, 2, k) {
    stack<int> st;
    memset(f, 0x3f, sizeof(f));
    memset(cur, 0x3f, sizeof(cur));

    foru(j, 1, n) {
      f[j] = prv[j-1];
      while (!st.empty() && a[st.top()] <= a[j]) {
        f[j] = min(f[j], f[st.top()]);
        st.pop();
      }

      if (f[j] < INF) cur[j] = min(cur[j], f[j] + a[j]);
      if (!st.empty()) cur[j] = min(cur[j], cur[st.top()]);

      st.push(j);
    }

//    foru(j, 1, n) {
//      cout << cur[j] << " ";
//    }
//    cout << "\n";

    foru(j, 1, n) {
      prv[j] = cur[j];
    }
  }

  cout << prv[n];
}

Compilation message

blocks.cpp: In function 'void setIO()':
blocks.cpp:19:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |     freopen(file".inp", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
blocks.cpp:20:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |     freopen(file".out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2392 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2652 KB	Output is correct
5	Correct	1 ms	2648 KB	Output is correct
6	Correct	0 ms	2424 KB	Output is correct
7	Correct	1 ms	2652 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Correct	1 ms	2652 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	1 ms	2904 KB	Output is correct
12	Correct	1 ms	2424 KB	Output is correct
13	Correct	1 ms	2652 KB	Output is correct
14	Correct	1 ms	2652 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2652 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2652 KB	Output is correct

Subtask #2
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2652 KB	Output is correct
5	Correct	1 ms	2652 KB	Output is correct
6	Correct	1 ms	2648 KB	Output is correct
7	Correct	1 ms	2652 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Correct	1 ms	2652 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	1 ms	2652 KB	Output is correct
12	Correct	1 ms	2648 KB	Output is correct
13	Correct	1 ms	2652 KB	Output is correct
14	Correct	1 ms	2652 KB	Output is correct
15	Correct	1 ms	2640 KB	Output is correct
16	Correct	1 ms	2652 KB	Output is correct
17	Correct	1 ms	2648 KB	Output is correct
18	Correct	1 ms	2652 KB	Output is correct
19	Correct	1 ms	2652 KB	Output is correct
20	Correct	1 ms	2652 KB	Output is correct

Subtask #3
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2392 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2652 KB	Output is correct
5	Correct	1 ms	2648 KB	Output is correct
6	Correct	0 ms	2424 KB	Output is correct
7	Correct	1 ms	2652 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Correct	1 ms	2652 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	1 ms	2904 KB	Output is correct
12	Correct	1 ms	2424 KB	Output is correct
13	Correct	1 ms	2652 KB	Output is correct
14	Correct	1 ms	2652 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2652 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2652 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	0 ms	2396 KB	Output is correct
21	Correct	0 ms	2396 KB	Output is correct
22	Correct	1 ms	2652 KB	Output is correct
23	Correct	1 ms	2652 KB	Output is correct
24	Correct	1 ms	2648 KB	Output is correct
25	Correct	1 ms	2652 KB	Output is correct
26	Correct	1 ms	2652 KB	Output is correct
27	Correct	1 ms	2652 KB	Output is correct
28	Correct	1 ms	2652 KB	Output is correct
29	Correct	1 ms	2652 KB	Output is correct
30	Correct	1 ms	2648 KB	Output is correct
31	Correct	1 ms	2652 KB	Output is correct
32	Correct	1 ms	2652 KB	Output is correct
33	Correct	1 ms	2640 KB	Output is correct
34	Correct	1 ms	2652 KB	Output is correct
35	Correct	1 ms	2648 KB	Output is correct
36	Correct	1 ms	2652 KB	Output is correct
37	Correct	1 ms	2652 KB	Output is correct
38	Correct	1 ms	2652 KB	Output is correct
39	Correct	2 ms	2652 KB	Output is correct
40	Correct	1 ms	2396 KB	Output is correct
41	Correct	0 ms	2396 KB	Output is correct
42	Correct	1 ms	2396 KB	Output is correct
43	Correct	1 ms	2652 KB	Output is correct
44	Correct	1 ms	2652 KB	Output is correct
45	Correct	1 ms	2396 KB	Output is correct
46	Correct	1 ms	2640 KB	Output is correct
47	Correct	1 ms	2656 KB	Output is correct
48	Correct	1 ms	2656 KB	Output is correct
49	Correct	1 ms	2656 KB	Output is correct
50	Correct	1 ms	2656 KB	Output is correct
51	Correct	1 ms	2640 KB	Output is correct
52	Correct	1 ms	2656 KB	Output is correct
53	Correct	3 ms	2816 KB	Output is correct
54	Correct	3 ms	2656 KB	Output is correct
55	Correct	2 ms	2656 KB	Output is correct
56	Correct	3 ms	2656 KB	Output is correct
57	Correct	4 ms	2912 KB	Output is correct

Subtask #4
47.0 / 47.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2392 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2652 KB	Output is correct
5	Correct	1 ms	2648 KB	Output is correct
6	Correct	0 ms	2424 KB	Output is correct
7	Correct	1 ms	2652 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Correct	1 ms	2652 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	1 ms	2904 KB	Output is correct
12	Correct	1 ms	2424 KB	Output is correct
13	Correct	1 ms	2652 KB	Output is correct
14	Correct	1 ms	2652 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2652 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2652 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	0 ms	2396 KB	Output is correct
21	Correct	0 ms	2396 KB	Output is correct
22	Correct	1 ms	2652 KB	Output is correct
23	Correct	1 ms	2652 KB	Output is correct
24	Correct	1 ms	2648 KB	Output is correct
25	Correct	1 ms	2652 KB	Output is correct
26	Correct	1 ms	2652 KB	Output is correct
27	Correct	1 ms	2652 KB	Output is correct
28	Correct	1 ms	2652 KB	Output is correct
29	Correct	1 ms	2652 KB	Output is correct
30	Correct	1 ms	2648 KB	Output is correct
31	Correct	1 ms	2652 KB	Output is correct
32	Correct	1 ms	2652 KB	Output is correct
33	Correct	1 ms	2640 KB	Output is correct
34	Correct	1 ms	2652 KB	Output is correct
35	Correct	1 ms	2648 KB	Output is correct
36	Correct	1 ms	2652 KB	Output is correct
37	Correct	1 ms	2652 KB	Output is correct
38	Correct	1 ms	2652 KB	Output is correct
39	Correct	2 ms	2652 KB	Output is correct
40	Correct	1 ms	2396 KB	Output is correct
41	Correct	0 ms	2396 KB	Output is correct
42	Correct	1 ms	2396 KB	Output is correct
43	Correct	1 ms	2652 KB	Output is correct
44	Correct	1 ms	2652 KB	Output is correct
45	Correct	1 ms	2396 KB	Output is correct
46	Correct	1 ms	2640 KB	Output is correct
47	Correct	1 ms	2656 KB	Output is correct
48	Correct	1 ms	2656 KB	Output is correct
49	Correct	1 ms	2656 KB	Output is correct
50	Correct	1 ms	2656 KB	Output is correct
51	Correct	1 ms	2640 KB	Output is correct
52	Correct	1 ms	2656 KB	Output is correct
53	Correct	3 ms	2816 KB	Output is correct
54	Correct	3 ms	2656 KB	Output is correct
55	Correct	2 ms	2656 KB	Output is correct
56	Correct	3 ms	2656 KB	Output is correct
57	Correct	4 ms	2912 KB	Output is correct
58	Correct	4 ms	3096 KB	Output is correct
59	Correct	3 ms	3164 KB	Output is correct
60	Correct	6 ms	3420 KB	Output is correct
61	Correct	36 ms	3468 KB	Output is correct
62	Correct	97 ms	4252 KB	Output is correct
63	Correct	9 ms	4184 KB	Output is correct
64	Correct	47 ms	4048 KB	Output is correct
65	Correct	2 ms	2648 KB	Output is correct
66	Correct	2 ms	2804 KB	Output is correct
67	Correct	2 ms	2816 KB	Output is correct
68	Correct	2 ms	2904 KB	Output is correct
69	Correct	1 ms	2652 KB	Output is correct
70	Correct	1 ms	2652 KB	Output is correct
71	Correct	15 ms	2956 KB	Output is correct
72	Correct	2 ms	2908 KB	Output is correct
73	Correct	5 ms	2908 KB	Output is correct
74	Correct	3 ms	3164 KB	Output is correct
75	Correct	8 ms	3420 KB	Output is correct
76	Correct	46 ms	3420 KB	Output is correct
77	Correct	129 ms	4188 KB	Output is correct
78	Correct	10 ms	4188 KB	Output is correct
79	Correct	62 ms	4184 KB	Output is correct
80	Correct	7 ms	3928 KB	Output is correct
81	Correct	19 ms	4276 KB	Output is correct
82	Correct	131 ms	4188 KB	Output is correct
83	Correct	1 ms	2648 KB	Output is correct
84	Correct	1 ms	2652 KB	Output is correct
85	Correct	13 ms	2984 KB	Output is correct
86	Correct	2 ms	2912 KB	Output is correct
87	Correct	4 ms	2908 KB	Output is correct
88	Correct	3 ms	3164 KB	Output is correct
89	Correct	7 ms	3416 KB	Output is correct
90	Correct	48 ms	3416 KB	Output is correct
91	Correct	110 ms	4400 KB	Output is correct
92	Correct	9 ms	4188 KB	Output is correct
93	Correct	61 ms	4420 KB	Output is correct
94	Correct	2 ms	2904 KB	Output is correct
95	Correct	12 ms	3160 KB	Output is correct
96	Correct	1 ms	2652 KB	Output is correct
97	Correct	1 ms	2652 KB	Output is correct
98	Correct	1 ms	2652 KB	Output is correct
99	Correct	1 ms	2652 KB	Output is correct

답안 #867959

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 18.0 / 18.0

Subtask #3 21.0 / 21.0

Subtask #4 47.0 / 47.0

Subtask #1
14.0 / 14.0

Subtask #2
18.0 / 18.0

Subtask #3
21.0 / 21.0

Subtask #4
47.0 / 47.0