oj.uz

Submission #362068

# Submission time Handle Problem Language Result Execution time Memory
362068 2021-02-01T16:41:24 Z shahriarkhan K blocks (IZhO14_blocks) C++14
100 / 100
 595 ms 81284 KB 
#include<bits/stdc++.h>
using namespace std ;

const int INF = 1e9 ;

int main()
{
    int n , k ;
    scanf("%d%d",&n,&k) ;
    int a[n+1] ;
    for(int i = 1 ; i <= n ; ++i) scanf("%d",&a[i]) ;
    pair<int,int> dp[n+1][k+1] ;
    dp[0][0] = {0,0} ;
    for(int i = 1 ; i <= n ; ++i) dp[i][0] = {INF,INF} ;
    for(int j = 1 ; j <= k ; ++j)
    {
        stack<pair<int,int> > s ;
        for(int i = j ; i <= n ; ++i)
        {
            dp[i][j] = {dp[i-1][j-1].first + dp[i-1][j-1].second , a[i]} ;
            while(!s.empty() && s.top().second <= a[i])
            {
                if((s.top().first + a[i])<(dp[i][j].first + dp[i][j].second))
                {
                    dp[i][j] = {s.top().first,a[i]} ;
                }
                s.pop() ;
            }
            if(!s.empty())
            {
                if((s.top().first+s.top().second)<(dp[i][j].first+dp[i][j].second))
                {
                    dp[i][j] = s.top() ;
                }
            }
            s.push(dp[i][j]) ;
        }
    }
    printf("%d\n",dp[n][k].first + dp[n][k].second) ;
    return 0 ;
}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 |     scanf("%d%d",&n,&k) ;
      |     ~~~~~^~~~~~~~~~~~~~
blocks.cpp:11:40: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 |     for(int i = 1 ; i <= n ; ++i) scanf("%d",&a[i]) ;
      |                                   ~~~~~^~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 372 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 372 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 0 ms 364 KB Output is correct
23 Correct 0 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 512 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 0 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 384 KB Output is correct
52 Correct 1 ms 364 KB Output is correct
53 Correct 1 ms 364 KB Output is correct
54 Correct 1 ms 492 KB Output is correct
55 Correct 1 ms 364 KB Output is correct
56 Correct 1 ms 364 KB Output is correct
57 Correct 1 ms 364 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 372 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 0 ms 364 KB Output is correct
23 Correct 0 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 512 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 0 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 384 KB Output is correct
52 Correct 1 ms 364 KB Output is correct
53 Correct 1 ms 364 KB Output is correct
54 Correct 1 ms 492 KB Output is correct
55 Correct 1 ms 364 KB Output is correct
56 Correct 1 ms 364 KB Output is correct
57 Correct 1 ms 364 KB Output is correct
58 Correct 7 ms 2412 KB Output is correct
59 Correct 7 ms 1480 KB Output is correct
60 Correct 12 ms 3564 KB Output is correct
61 Correct 156 ms 27628 KB Output is correct
62 Correct 556 ms 80516 KB Output is correct
63 Correct 19 ms 4460 KB Output is correct
64 Correct 235 ms 37356 KB Output is correct
65 Correct 1 ms 364 KB Output is correct
66 Correct 1 ms 364 KB Output is correct
67 Correct 1 ms 364 KB Output is correct
68 Correct 1 ms 364 KB Output is correct
69 Correct 1 ms 492 KB Output is correct
70 Correct 1 ms 364 KB Output is correct
71 Correct 32 ms 8300 KB Output is correct
72 Correct 2 ms 748 KB Output is correct
73 Correct 7 ms 2540 KB Output is correct
74 Correct 7 ms 1644 KB Output is correct
75 Correct 13 ms 3948 KB Output is correct
76 Correct 135 ms 27908 KB Output is correct
77 Correct 479 ms 80748 KB Output is correct
78 Correct 19 ms 4844 KB Output is correct
79 Correct 210 ms 37868 KB Output is correct
80 Correct 15 ms 3180 KB Output is correct
81 Correct 35 ms 10220 KB Output is correct
82 Correct 501 ms 80788 KB Output is correct
83 Correct 1 ms 364 KB Output is correct
84 Correct 1 ms 364 KB Output is correct
85 Correct 31 ms 8428 KB Output is correct
86 Correct 2 ms 748 KB Output is correct
87 Correct 7 ms 2540 KB Output is correct
88 Correct 7 ms 1900 KB Output is correct
89 Correct 13 ms 3948 KB Output is correct
90 Correct 144 ms 27884 KB Output is correct
91 Correct 595 ms 81284 KB Output is correct
92 Correct 20 ms 5356 KB Output is correct
93 Correct 251 ms 38252 KB Output is correct
94 Correct 2 ms 620 KB Output is correct
95 Correct 30 ms 8300 KB Output is correct
96 Correct 1 ms 364 KB Output is correct
97 Correct 1 ms 364 KB Output is correct
98 Correct 1 ms 364 KB Output is correct
99 Correct 1 ms 364 KB Output is correct