#include <bits/stdc++.h>
#define oo 1000000007
#define ll long long
#define ii pair<int, int>
#define pll pair<ll, ll>
#define ff first
#define ss second
#define mp make_pair
#define vi vector<int>
#define vii vector<ii>
#define sz(a) (int)(a.size())
#define pb push_back
#define fto(i, a, b) for (int i = (int)(a); i <= (int)(b); ++i)
#define fdto(i, a, b) for (int i = (int)(a); i >= (int)(b); --i)
#define sci(x) scanf("%d", &x)
#define scii(x, y) scanf("%d %d", &x, &y)
#define bug(x) "["#x" = "<<(x)<<"] "
#define maxN 100005
using namespace std;
int n, k, a[maxN], f[105][maxN];
int main() {
#ifndef EVAL
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
scii(n, k);
fto(i, 1, n) sci(a[i]);
fto(i, 1, n) f[1][i] = max(f[1][i-1], a[i]);
fto(i, 2, k) {
f[i][0] = oo;
stack<ii> S;
fto(j, i, n) {
int mn = f[i-1][j-1];
while (!S.empty() && a[S.top().ss] <= a[j]) {
mn = min(mn, S.top().ff);
S.pop();
}
f[i][j] = min(f[i][S.empty() ? 0 : S.top().ss], mn + a[j]);
S.push(mp(mn, j));
}
}
printf("%d\n", f[k][n]);
return 0;
}
Compilation message
blocks.cpp: In function 'int main()':
blocks.cpp:17:25: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
17 | #define scii(x, y) scanf("%d %d", &x, &y)
| ~~~~~^~~~~~~~~~~~~~~~~
blocks.cpp:31:5: note: in expansion of macro 'scii'
31 | scii(n, k);
| ^~~~
blocks.cpp:16:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
16 | #define sci(x) scanf("%d", &x)
| ~~~~~^~~~~~~~~~
blocks.cpp:32:18: note: in expansion of macro 'sci'
32 | fto(i, 1, n) sci(a[i]);
| ^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
332 KB |
Output is correct |
12 |
Correct |
0 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
0 ms |
332 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
0 ms |
204 KB |
Output is correct |
22 |
Correct |
1 ms |
204 KB |
Output is correct |
23 |
Correct |
0 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
0 ms |
204 KB |
Output is correct |
26 |
Correct |
0 ms |
204 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
0 ms |
204 KB |
Output is correct |
29 |
Correct |
0 ms |
332 KB |
Output is correct |
30 |
Correct |
0 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
332 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
0 ms |
332 KB |
Output is correct |
34 |
Correct |
1 ms |
332 KB |
Output is correct |
35 |
Correct |
0 ms |
332 KB |
Output is correct |
36 |
Correct |
0 ms |
332 KB |
Output is correct |
37 |
Correct |
1 ms |
332 KB |
Output is correct |
38 |
Correct |
1 ms |
332 KB |
Output is correct |
39 |
Correct |
1 ms |
460 KB |
Output is correct |
40 |
Correct |
1 ms |
204 KB |
Output is correct |
41 |
Correct |
0 ms |
204 KB |
Output is correct |
42 |
Correct |
1 ms |
204 KB |
Output is correct |
43 |
Correct |
1 ms |
204 KB |
Output is correct |
44 |
Correct |
0 ms |
204 KB |
Output is correct |
45 |
Correct |
0 ms |
204 KB |
Output is correct |
46 |
Correct |
0 ms |
204 KB |
Output is correct |
47 |
Correct |
0 ms |
204 KB |
Output is correct |
48 |
Correct |
0 ms |
204 KB |
Output is correct |
49 |
Correct |
0 ms |
332 KB |
Output is correct |
50 |
Correct |
1 ms |
332 KB |
Output is correct |
51 |
Correct |
1 ms |
332 KB |
Output is correct |
52 |
Correct |
1 ms |
332 KB |
Output is correct |
53 |
Correct |
1 ms |
716 KB |
Output is correct |
54 |
Correct |
1 ms |
716 KB |
Output is correct |
55 |
Correct |
1 ms |
588 KB |
Output is correct |
56 |
Correct |
2 ms |
716 KB |
Output is correct |
57 |
Correct |
1 ms |
716 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
0 ms |
204 KB |
Output is correct |
22 |
Correct |
1 ms |
204 KB |
Output is correct |
23 |
Correct |
0 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
0 ms |
204 KB |
Output is correct |
26 |
Correct |
0 ms |
204 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
0 ms |
204 KB |
Output is correct |
29 |
Correct |
0 ms |
332 KB |
Output is correct |
30 |
Correct |
0 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
332 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
0 ms |
332 KB |
Output is correct |
34 |
Correct |
1 ms |
332 KB |
Output is correct |
35 |
Correct |
0 ms |
332 KB |
Output is correct |
36 |
Correct |
0 ms |
332 KB |
Output is correct |
37 |
Correct |
1 ms |
332 KB |
Output is correct |
38 |
Correct |
1 ms |
332 KB |
Output is correct |
39 |
Correct |
1 ms |
460 KB |
Output is correct |
40 |
Correct |
1 ms |
204 KB |
Output is correct |
41 |
Correct |
0 ms |
204 KB |
Output is correct |
42 |
Correct |
1 ms |
204 KB |
Output is correct |
43 |
Correct |
1 ms |
204 KB |
Output is correct |
44 |
Correct |
0 ms |
204 KB |
Output is correct |
45 |
Correct |
0 ms |
204 KB |
Output is correct |
46 |
Correct |
0 ms |
204 KB |
Output is correct |
47 |
Correct |
0 ms |
204 KB |
Output is correct |
48 |
Correct |
0 ms |
204 KB |
Output is correct |
49 |
Correct |
0 ms |
332 KB |
Output is correct |
50 |
Correct |
1 ms |
332 KB |
Output is correct |
51 |
Correct |
1 ms |
332 KB |
Output is correct |
52 |
Correct |
1 ms |
332 KB |
Output is correct |
53 |
Correct |
1 ms |
716 KB |
Output is correct |
54 |
Correct |
1 ms |
716 KB |
Output is correct |
55 |
Correct |
1 ms |
588 KB |
Output is correct |
56 |
Correct |
2 ms |
716 KB |
Output is correct |
57 |
Correct |
1 ms |
716 KB |
Output is correct |
58 |
Correct |
6 ms |
1356 KB |
Output is correct |
59 |
Correct |
6 ms |
588 KB |
Output is correct |
60 |
Correct |
10 ms |
1732 KB |
Output is correct |
61 |
Correct |
55 ms |
13956 KB |
Output is correct |
62 |
Correct |
166 ms |
39724 KB |
Output is correct |
63 |
Correct |
21 ms |
1812 KB |
Output is correct |
64 |
Correct |
88 ms |
18316 KB |
Output is correct |
65 |
Correct |
1 ms |
380 KB |
Output is correct |
66 |
Correct |
1 ms |
460 KB |
Output is correct |
67 |
Correct |
1 ms |
460 KB |
Output is correct |
68 |
Correct |
1 ms |
460 KB |
Output is correct |
69 |
Correct |
1 ms |
204 KB |
Output is correct |
70 |
Correct |
1 ms |
332 KB |
Output is correct |
71 |
Correct |
20 ms |
4684 KB |
Output is correct |
72 |
Correct |
2 ms |
332 KB |
Output is correct |
73 |
Correct |
7 ms |
1356 KB |
Output is correct |
74 |
Correct |
6 ms |
588 KB |
Output is correct |
75 |
Correct |
11 ms |
1612 KB |
Output is correct |
76 |
Correct |
82 ms |
14044 KB |
Output is correct |
77 |
Correct |
193 ms |
39760 KB |
Output is correct |
78 |
Correct |
17 ms |
1852 KB |
Output is correct |
79 |
Correct |
96 ms |
18324 KB |
Output is correct |
80 |
Correct |
13 ms |
1000 KB |
Output is correct |
81 |
Correct |
30 ms |
4476 KB |
Output is correct |
82 |
Correct |
196 ms |
39700 KB |
Output is correct |
83 |
Correct |
1 ms |
204 KB |
Output is correct |
84 |
Correct |
1 ms |
332 KB |
Output is correct |
85 |
Correct |
17 ms |
4768 KB |
Output is correct |
86 |
Correct |
2 ms |
460 KB |
Output is correct |
87 |
Correct |
6 ms |
1484 KB |
Output is correct |
88 |
Correct |
6 ms |
664 KB |
Output is correct |
89 |
Correct |
13 ms |
1752 KB |
Output is correct |
90 |
Correct |
71 ms |
14160 KB |
Output is correct |
91 |
Correct |
171 ms |
40084 KB |
Output is correct |
92 |
Correct |
16 ms |
2160 KB |
Output is correct |
93 |
Correct |
93 ms |
18472 KB |
Output is correct |
94 |
Correct |
2 ms |
332 KB |
Output is correct |
95 |
Correct |
16 ms |
4680 KB |
Output is correct |
96 |
Correct |
1 ms |
332 KB |
Output is correct |
97 |
Correct |
1 ms |
204 KB |
Output is correct |
98 |
Correct |
1 ms |
332 KB |
Output is correct |
99 |
Correct |
1 ms |
204 KB |
Output is correct |