oj.uz

Submission #700217

# Submission time Handle Problem Language Result Execution time Memory
700217 2023-02-18T23:05:45 Z kioto2 K blocks (IZhO14_blocks) C++14
100 / 100
 227 ms 88720 KB 
#include<bits/stdc++.h>
#define fori(i,a,b) for(int i=a;i<=b;i++)
#define ford(i,a,b) for(int i=a;i>=b;i--)
#define int long long
using namespace std;
const int N=1e5+10;
int a[N],n,k,f[N][110];
int pre[110];
signed main()
{
    cin.tie(0)->ios_base::sync_with_stdio(0);
    if(fopen("task.inp","r"))
    {
        freopen("task.inp","r",stdin);
        freopen("task.out","w",stdout);
    }
    cin>>n>>k;
    fori(i,1,n) cin>>a[i];
    memset(f,50,sizeof(f));
    f[0][1]=0;
    fori(i,1,n) f[i][1]=max(f[i-1][1],a[i]);
    fori(j,2,k)
    {
        stack<pair<int,int>> st;
        fori(i,j,n)
        {
            int cur=f[i-1][j-1];
            while(!st.empty() && a[st.top().second]<=a[i])
            {
                cur=min(cur,st.top().first);
                st.pop();
            }
            f[i][j]=min(f[ (st.empty()?0:st.top().second) ][j],cur+a[i]);
            st.push({ cur,i });
        }
    }
    cout<<f[n][k];
}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:14:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |         freopen("task.inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
blocks.cpp:15:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |         freopen("task.out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 86324 KB Output is correct
2 Correct 31 ms 86372 KB Output is correct
3 Correct 36 ms 86408 KB Output is correct
4 Correct 32 ms 86348 KB Output is correct
5 Correct 33 ms 86348 KB Output is correct
6 Correct 40 ms 86328 KB Output is correct
7 Correct 41 ms 86388 KB Output is correct
8 Correct 31 ms 86340 KB Output is correct
9 Correct 32 ms 86324 KB Output is correct
10 Correct 32 ms 86352 KB Output is correct
11 Correct 32 ms 86356 KB Output is correct
12 Correct 31 ms 86356 KB Output is correct
13 Correct 33 ms 86408 KB Output is correct
14 Correct 32 ms 86356 KB Output is correct
15 Correct 32 ms 86336 KB Output is correct
16 Correct 32 ms 86348 KB Output is correct
17 Correct 38 ms 86464 KB Output is correct
18 Correct 32 ms 86328 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 86416 KB Output is correct
2 Correct 32 ms 86388 KB Output is correct
3 Correct 32 ms 86348 KB Output is correct
4 Correct 33 ms 86356 KB Output is correct
5 Correct 32 ms 86380 KB Output is correct
6 Correct 32 ms 86352 KB Output is correct
7 Correct 32 ms 86352 KB Output is correct
8 Correct 33 ms 86400 KB Output is correct
9 Correct 34 ms 86344 KB Output is correct
10 Correct 35 ms 86396 KB Output is correct
11 Correct 33 ms 86380 KB Output is correct
12 Correct 33 ms 86344 KB Output is correct
13 Correct 33 ms 86352 KB Output is correct
14 Correct 33 ms 86384 KB Output is correct
15 Correct 33 ms 86348 KB Output is correct
16 Correct 33 ms 86348 KB Output is correct
17 Correct 33 ms 86428 KB Output is correct
18 Correct 35 ms 86388 KB Output is correct
19 Correct 36 ms 86416 KB Output is correct
20 Correct 33 ms 86356 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 86324 KB Output is correct
2 Correct 31 ms 86372 KB Output is correct
3 Correct 36 ms 86408 KB Output is correct
4 Correct 32 ms 86348 KB Output is correct
5 Correct 33 ms 86348 KB Output is correct
6 Correct 40 ms 86328 KB Output is correct
7 Correct 41 ms 86388 KB Output is correct
8 Correct 31 ms 86340 KB Output is correct
9 Correct 32 ms 86324 KB Output is correct
10 Correct 32 ms 86352 KB Output is correct
11 Correct 32 ms 86356 KB Output is correct
12 Correct 31 ms 86356 KB Output is correct
13 Correct 33 ms 86408 KB Output is correct
14 Correct 32 ms 86356 KB Output is correct
15 Correct 32 ms 86336 KB Output is correct
16 Correct 32 ms 86348 KB Output is correct
17 Correct 38 ms 86464 KB Output is correct
18 Correct 32 ms 86328 KB Output is correct
19 Correct 32 ms 86416 KB Output is correct
20 Correct 32 ms 86388 KB Output is correct
21 Correct 32 ms 86348 KB Output is correct
22 Correct 33 ms 86356 KB Output is correct
23 Correct 32 ms 86380 KB Output is correct
24 Correct 32 ms 86352 KB Output is correct
25 Correct 32 ms 86352 KB Output is correct
26 Correct 33 ms 86400 KB Output is correct
27 Correct 34 ms 86344 KB Output is correct
28 Correct 35 ms 86396 KB Output is correct
29 Correct 33 ms 86380 KB Output is correct
30 Correct 33 ms 86344 KB Output is correct
31 Correct 33 ms 86352 KB Output is correct
32 Correct 33 ms 86384 KB Output is correct
33 Correct 33 ms 86348 KB Output is correct
34 Correct 33 ms 86348 KB Output is correct
35 Correct 33 ms 86428 KB Output is correct
36 Correct 35 ms 86388 KB Output is correct
37 Correct 36 ms 86416 KB Output is correct
38 Correct 33 ms 86356 KB Output is correct
39 Correct 32 ms 86348 KB Output is correct
40 Correct 32 ms 86396 KB Output is correct
41 Correct 33 ms 86344 KB Output is correct
42 Correct 33 ms 86384 KB Output is correct
43 Correct 33 ms 86440 KB Output is correct
44 Correct 33 ms 86356 KB Output is correct
45 Correct 33 ms 86348 KB Output is correct
46 Correct 33 ms 86420 KB Output is correct
47 Correct 35 ms 86376 KB Output is correct
48 Correct 33 ms 86324 KB Output is correct
49 Correct 33 ms 86328 KB Output is correct
50 Correct 34 ms 86436 KB Output is correct
51 Correct 40 ms 86348 KB Output is correct
52 Correct 34 ms 86300 KB Output is correct
53 Correct 41 ms 86416 KB Output is correct
54 Correct 33 ms 86348 KB Output is correct
55 Correct 37 ms 86308 KB Output is correct
56 Correct 33 ms 86348 KB Output is correct
57 Correct 33 ms 86412 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 86324 KB Output is correct
2 Correct 31 ms 86372 KB Output is correct
3 Correct 36 ms 86408 KB Output is correct
4 Correct 32 ms 86348 KB Output is correct
5 Correct 33 ms 86348 KB Output is correct
6 Correct 40 ms 86328 KB Output is correct
7 Correct 41 ms 86388 KB Output is correct
8 Correct 31 ms 86340 KB Output is correct
9 Correct 32 ms 86324 KB Output is correct
10 Correct 32 ms 86352 KB Output is correct
11 Correct 32 ms 86356 KB Output is correct
12 Correct 31 ms 86356 KB Output is correct
13 Correct 33 ms 86408 KB Output is correct
14 Correct 32 ms 86356 KB Output is correct
15 Correct 32 ms 86336 KB Output is correct
16 Correct 32 ms 86348 KB Output is correct
17 Correct 38 ms 86464 KB Output is correct
18 Correct 32 ms 86328 KB Output is correct
19 Correct 32 ms 86416 KB Output is correct
20 Correct 32 ms 86388 KB Output is correct
21 Correct 32 ms 86348 KB Output is correct
22 Correct 33 ms 86356 KB Output is correct
23 Correct 32 ms 86380 KB Output is correct
24 Correct 32 ms 86352 KB Output is correct
25 Correct 32 ms 86352 KB Output is correct
26 Correct 33 ms 86400 KB Output is correct
27 Correct 34 ms 86344 KB Output is correct
28 Correct 35 ms 86396 KB Output is correct
29 Correct 33 ms 86380 KB Output is correct
30 Correct 33 ms 86344 KB Output is correct
31 Correct 33 ms 86352 KB Output is correct
32 Correct 33 ms 86384 KB Output is correct
33 Correct 33 ms 86348 KB Output is correct
34 Correct 33 ms 86348 KB Output is correct
35 Correct 33 ms 86428 KB Output is correct
36 Correct 35 ms 86388 KB Output is correct
37 Correct 36 ms 86416 KB Output is correct
38 Correct 33 ms 86356 KB Output is correct
39 Correct 32 ms 86348 KB Output is correct
40 Correct 32 ms 86396 KB Output is correct
41 Correct 33 ms 86344 KB Output is correct
42 Correct 33 ms 86384 KB Output is correct
43 Correct 33 ms 86440 KB Output is correct
44 Correct 33 ms 86356 KB Output is correct
45 Correct 33 ms 86348 KB Output is correct
46 Correct 33 ms 86420 KB Output is correct
47 Correct 35 ms 86376 KB Output is correct
48 Correct 33 ms 86324 KB Output is correct
49 Correct 33 ms 86328 KB Output is correct
50 Correct 34 ms 86436 KB Output is correct
51 Correct 40 ms 86348 KB Output is correct
52 Correct 34 ms 86300 KB Output is correct
53 Correct 41 ms 86416 KB Output is correct
54 Correct 33 ms 86348 KB Output is correct
55 Correct 37 ms 86308 KB Output is correct
56 Correct 33 ms 86348 KB Output is correct
57 Correct 33 ms 86412 KB Output is correct
58 Correct 37 ms 86568 KB Output is correct
59 Correct 38 ms 86992 KB Output is correct
60 Correct 39 ms 87076 KB Output is correct
61 Correct 73 ms 87076 KB Output is correct
62 Correct 205 ms 87960 KB Output is correct
63 Correct 46 ms 87828 KB Output is correct
64 Correct 121 ms 87852 KB Output is correct
65 Correct 33 ms 86308 KB Output is correct
66 Correct 33 ms 86340 KB Output is correct
67 Correct 37 ms 86400 KB Output is correct
68 Correct 34 ms 86460 KB Output is correct
69 Correct 35 ms 86320 KB Output is correct
70 Correct 33 ms 86412 KB Output is correct
71 Correct 47 ms 86572 KB Output is correct
72 Correct 34 ms 86556 KB Output is correct
73 Correct 39 ms 86452 KB Output is correct
74 Correct 37 ms 86984 KB Output is correct
75 Correct 42 ms 87048 KB Output is correct
76 Correct 83 ms 86988 KB Output is correct
77 Correct 212 ms 87884 KB Output is correct
78 Correct 45 ms 87772 KB Output is correct
79 Correct 136 ms 87884 KB Output is correct
80 Correct 40 ms 87864 KB Output is correct
81 Correct 56 ms 87884 KB Output is correct
82 Correct 214 ms 87800 KB Output is correct
83 Correct 33 ms 86348 KB Output is correct
84 Correct 31 ms 86340 KB Output is correct
85 Correct 45 ms 86636 KB Output is correct
86 Correct 34 ms 86540 KB Output is correct
87 Correct 36 ms 86596 KB Output is correct
88 Correct 37 ms 86988 KB Output is correct
89 Correct 41 ms 87296 KB Output is correct
90 Correct 82 ms 87336 KB Output is correct
91 Correct 227 ms 88720 KB Output is correct
92 Correct 45 ms 88468 KB Output is correct
93 Correct 143 ms 88460 KB Output is correct
94 Correct 40 ms 86488 KB Output is correct
95 Correct 45 ms 86548 KB Output is correct
96 Correct 35 ms 86348 KB Output is correct
97 Correct 33 ms 86384 KB Output is correct
98 Correct 33 ms 86348 KB Output is correct
99 Correct 33 ms 86320 KB Output is correct