oj.uz

Submission #1062503

# Submission time Handle Problem Language Result Execution time Memory
1062503 2024-08-17T08:00:04 Z milo_milkshake K blocks (IZhO14_blocks) C++14
100 / 100
 128 ms 42584 KB 
#include <bits/stdc++.h>
using namespace std;
#define uwu "blocks"

typedef long long ll;
#define pb push_back
#define endl '\n'
#define FOR(i, a, b) for(int i = a; i <= b; i++)
#define FORD(i, a, b) for(int i = a; i >= b; i--)
const int N = 1e5 + 3;
const int INF = 1e9 + 7;

int n, k, a[N];
int dp[N][104];

void mini(int &cur, int val){
	if (cur > val) cur = val;
}
void solve(void){
	memset(dp, 0x3f, sizeof(dp)); dp[0][1] = 0;
	FOR(i, 1, n) dp[i][1] = max(dp[i - 1][1], a[i]);
	FOR(j, 2, k){
		stack <pair<int, int>> st;
		FOR(i, j, n){
			int val = dp[i - 1][j - 1];
			while(!st.empty() && a[st.top().first] <= a[i]){
				mini(val, st.top().second);
				st.pop();
			}

			int L = st.empty() ? 0 : st.top().first;
			dp[i][j] = min(dp[L][j], val + a[i]);

			st.push(make_pair(i, val));
		}
	}

	cout << dp[n][k];
}
signed main(){
 	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	if(fopen(uwu".inp","r")){
		freopen(uwu".inp","r",stdin);
		freopen(uwu".out","w",stdout);
	}

	cin >> n >> k;
	FOR(i, 1, n) cin >> a[i];

	solve();

	cerr << "\nTime used: " << clock() << "ms\n";
	return 0;
}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:44:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |   freopen(uwu".inp","r",stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
blocks.cpp:45:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   45 |   freopen(uwu".out","w",stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 41052 KB Output is correct
2 Correct 13 ms 40944 KB Output is correct
3 Correct 10 ms 41016 KB Output is correct
4 Correct 10 ms 41048 KB Output is correct
5 Correct 10 ms 41128 KB Output is correct
6 Correct 10 ms 41052 KB Output is correct
7 Correct 10 ms 41052 KB Output is correct
8 Correct 10 ms 41048 KB Output is correct
9 Correct 11 ms 41052 KB Output is correct
10 Correct 12 ms 41108 KB Output is correct
11 Correct 10 ms 41052 KB Output is correct
12 Correct 10 ms 41108 KB Output is correct
13 Correct 10 ms 40952 KB Output is correct
14 Correct 11 ms 41052 KB Output is correct
15 Correct 9 ms 41052 KB Output is correct
16 Correct 10 ms 40980 KB Output is correct
17 Correct 16 ms 41052 KB Output is correct
18 Correct 10 ms 41052 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 41052 KB Output is correct
2 Correct 10 ms 41052 KB Output is correct
3 Correct 16 ms 41116 KB Output is correct
4 Correct 12 ms 41052 KB Output is correct
5 Correct 10 ms 41120 KB Output is correct
6 Correct 10 ms 41052 KB Output is correct
7 Correct 9 ms 41048 KB Output is correct
8 Correct 10 ms 40992 KB Output is correct
9 Correct 11 ms 41048 KB Output is correct
10 Correct 10 ms 41052 KB Output is correct
11 Correct 10 ms 41164 KB Output is correct
12 Correct 10 ms 41052 KB Output is correct
13 Correct 11 ms 41048 KB Output is correct
14 Correct 10 ms 41080 KB Output is correct
15 Correct 10 ms 41052 KB Output is correct
16 Correct 11 ms 41112 KB Output is correct
17 Correct 10 ms 41048 KB Output is correct
18 Correct 10 ms 41052 KB Output is correct
19 Correct 11 ms 41164 KB Output is correct
20 Correct 9 ms 41052 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 41052 KB Output is correct
2 Correct 13 ms 40944 KB Output is correct
3 Correct 10 ms 41016 KB Output is correct
4 Correct 10 ms 41048 KB Output is correct
5 Correct 10 ms 41128 KB Output is correct
6 Correct 10 ms 41052 KB Output is correct
7 Correct 10 ms 41052 KB Output is correct
8 Correct 10 ms 41048 KB Output is correct
9 Correct 11 ms 41052 KB Output is correct
10 Correct 12 ms 41108 KB Output is correct
11 Correct 10 ms 41052 KB Output is correct
12 Correct 10 ms 41108 KB Output is correct
13 Correct 10 ms 40952 KB Output is correct
14 Correct 11 ms 41052 KB Output is correct
15 Correct 9 ms 41052 KB Output is correct
16 Correct 10 ms 40980 KB Output is correct
17 Correct 16 ms 41052 KB Output is correct
18 Correct 10 ms 41052 KB Output is correct
19 Correct 10 ms 41052 KB Output is correct
20 Correct 10 ms 41052 KB Output is correct
21 Correct 16 ms 41116 KB Output is correct
22 Correct 12 ms 41052 KB Output is correct
23 Correct 10 ms 41120 KB Output is correct
24 Correct 10 ms 41052 KB Output is correct
25 Correct 9 ms 41048 KB Output is correct
26 Correct 10 ms 40992 KB Output is correct
27 Correct 11 ms 41048 KB Output is correct
28 Correct 10 ms 41052 KB Output is correct
29 Correct 10 ms 41164 KB Output is correct
30 Correct 10 ms 41052 KB Output is correct
31 Correct 11 ms 41048 KB Output is correct
32 Correct 10 ms 41080 KB Output is correct
33 Correct 10 ms 41052 KB Output is correct
34 Correct 11 ms 41112 KB Output is correct
35 Correct 10 ms 41048 KB Output is correct
36 Correct 10 ms 41052 KB Output is correct
37 Correct 11 ms 41164 KB Output is correct
38 Correct 9 ms 41052 KB Output is correct
39 Correct 12 ms 41052 KB Output is correct
40 Correct 12 ms 41052 KB Output is correct
41 Correct 10 ms 41052 KB Output is correct
42 Correct 16 ms 41120 KB Output is correct
43 Correct 10 ms 41048 KB Output is correct
44 Correct 10 ms 41052 KB Output is correct
45 Correct 9 ms 40964 KB Output is correct
46 Correct 10 ms 41052 KB Output is correct
47 Correct 10 ms 41052 KB Output is correct
48 Correct 9 ms 41052 KB Output is correct
49 Correct 10 ms 41052 KB Output is correct
50 Correct 10 ms 41052 KB Output is correct
51 Correct 10 ms 41168 KB Output is correct
52 Correct 11 ms 41052 KB Output is correct
53 Correct 10 ms 41052 KB Output is correct
54 Correct 9 ms 41052 KB Output is correct
55 Correct 9 ms 41144 KB Output is correct
56 Correct 10 ms 41052 KB Output is correct
57 Correct 10 ms 41052 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 41052 KB Output is correct
2 Correct 13 ms 40944 KB Output is correct
3 Correct 10 ms 41016 KB Output is correct
4 Correct 10 ms 41048 KB Output is correct
5 Correct 10 ms 41128 KB Output is correct
6 Correct 10 ms 41052 KB Output is correct
7 Correct 10 ms 41052 KB Output is correct
8 Correct 10 ms 41048 KB Output is correct
9 Correct 11 ms 41052 KB Output is correct
10 Correct 12 ms 41108 KB Output is correct
11 Correct 10 ms 41052 KB Output is correct
12 Correct 10 ms 41108 KB Output is correct
13 Correct 10 ms 40952 KB Output is correct
14 Correct 11 ms 41052 KB Output is correct
15 Correct 9 ms 41052 KB Output is correct
16 Correct 10 ms 40980 KB Output is correct
17 Correct 16 ms 41052 KB Output is correct
18 Correct 10 ms 41052 KB Output is correct
19 Correct 10 ms 41052 KB Output is correct
20 Correct 10 ms 41052 KB Output is correct
21 Correct 16 ms 41116 KB Output is correct
22 Correct 12 ms 41052 KB Output is correct
23 Correct 10 ms 41120 KB Output is correct
24 Correct 10 ms 41052 KB Output is correct
25 Correct 9 ms 41048 KB Output is correct
26 Correct 10 ms 40992 KB Output is correct
27 Correct 11 ms 41048 KB Output is correct
28 Correct 10 ms 41052 KB Output is correct
29 Correct 10 ms 41164 KB Output is correct
30 Correct 10 ms 41052 KB Output is correct
31 Correct 11 ms 41048 KB Output is correct
32 Correct 10 ms 41080 KB Output is correct
33 Correct 10 ms 41052 KB Output is correct
34 Correct 11 ms 41112 KB Output is correct
35 Correct 10 ms 41048 KB Output is correct
36 Correct 10 ms 41052 KB Output is correct
37 Correct 11 ms 41164 KB Output is correct
38 Correct 9 ms 41052 KB Output is correct
39 Correct 12 ms 41052 KB Output is correct
40 Correct 12 ms 41052 KB Output is correct
41 Correct 10 ms 41052 KB Output is correct
42 Correct 16 ms 41120 KB Output is correct
43 Correct 10 ms 41048 KB Output is correct
44 Correct 10 ms 41052 KB Output is correct
45 Correct 9 ms 40964 KB Output is correct
46 Correct 10 ms 41052 KB Output is correct
47 Correct 10 ms 41052 KB Output is correct
48 Correct 9 ms 41052 KB Output is correct
49 Correct 10 ms 41052 KB Output is correct
50 Correct 10 ms 41052 KB Output is correct
51 Correct 10 ms 41168 KB Output is correct
52 Correct 11 ms 41052 KB Output is correct
53 Correct 10 ms 41052 KB Output is correct
54 Correct 9 ms 41052 KB Output is correct
55 Correct 9 ms 41144 KB Output is correct
56 Correct 10 ms 41052 KB Output is correct
57 Correct 10 ms 41052 KB Output is correct
58 Correct 11 ms 41052 KB Output is correct
59 Correct 13 ms 41564 KB Output is correct
60 Correct 14 ms 41564 KB Output is correct
61 Correct 40 ms 41560 KB Output is correct
62 Correct 106 ms 42084 KB Output is correct
63 Correct 17 ms 42072 KB Output is correct
64 Correct 55 ms 42076 KB Output is correct
65 Correct 10 ms 41048 KB Output is correct
66 Correct 12 ms 41168 KB Output is correct
67 Correct 11 ms 41048 KB Output is correct
68 Correct 10 ms 41128 KB Output is correct
69 Correct 12 ms 41048 KB Output is correct
70 Correct 10 ms 41052 KB Output is correct
71 Correct 22 ms 41276 KB Output is correct
72 Correct 12 ms 41052 KB Output is correct
73 Correct 16 ms 41224 KB Output is correct
74 Correct 13 ms 41564 KB Output is correct
75 Correct 16 ms 41640 KB Output is correct
76 Correct 50 ms 41564 KB Output is correct
77 Correct 128 ms 42160 KB Output is correct
78 Correct 18 ms 42076 KB Output is correct
79 Correct 66 ms 42224 KB Output is correct
80 Correct 16 ms 42072 KB Output is correct
81 Correct 27 ms 42040 KB Output is correct
82 Correct 127 ms 42020 KB Output is correct
83 Correct 10 ms 41048 KB Output is correct
84 Correct 10 ms 41052 KB Output is correct
85 Correct 19 ms 41312 KB Output is correct
86 Correct 12 ms 41308 KB Output is correct
87 Correct 16 ms 41096 KB Output is correct
88 Correct 13 ms 41564 KB Output is correct
89 Correct 21 ms 41696 KB Output is correct
90 Correct 47 ms 41564 KB Output is correct
91 Correct 121 ms 42508 KB Output is correct
92 Correct 18 ms 42384 KB Output is correct
93 Correct 62 ms 42584 KB Output is correct
94 Correct 11 ms 41052 KB Output is correct
95 Correct 17 ms 41276 KB Output is correct
96 Correct 10 ms 41160 KB Output is correct
97 Correct 9 ms 41048 KB Output is correct
98 Correct 11 ms 41052 KB Output is correct
99 Correct 9 ms 41052 KB Output is correct