oj.uz

Submission #686699

# Submission time Handle Problem Language Result Execution time Memory
686699 2023-01-25T19:00:00 Z pragmatist K blocks (IZhO14_blocks) C++17
100 / 100
 255 ms 81800 KB 
/*
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("O3")
#pragma GCC target ("avx2")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("unroll-loops")
*/
 
#include<bits/stdc++.h>
 
#define ld long double
#define sz(v) (int)v.size()
#define ll long long
#define pb push_back
#define x first
#define y second
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define nl "\n"
 
using namespace std;
 
const int N = (int)1e5 + 7; // make sure this is right
const int M = (int)1e6 + 7;
const int inf = (int)2e9 + 7;
const ll INF = (ll)3e18 + 7; 
const ll MOD = (ll)998244353; // make sure this is right
 
bool bit(int x, int i) {
	return x >> i & 1;
}
 
int sum(int x, int y) {
	x += y;
	if(x >= MOD) x -= MOD;
	return x;
}
 
int mult(int x, int y) {
	return 1ll * x * y % MOD;
}
 
int n, k, a[N];
ll dp[N][101], mn[N];
 
void solve() {
	cin >> n >> k;
	for(int i = 0; i <= n; ++i) {
		for(int j = 0; j <= k; ++j) {
			dp[i][j] = INF;
		}
	}
	int cur = 0;
	for(int i = 1; i <= n; ++i) {
		cin >> a[i];
		cur = max(cur, a[i]);
		dp[i][1] = cur;
	}
	dp[0][0] = 0;       
	for(int j = 2; j <= k; ++j) {
		stack<pair<int, ll> > st;	
		for(int i = 1; i <= n; ++i) {
		    mn[i] = dp[i - 1][j - 1];
			while(!st.empty() && a[st.top().x] <= a[i]) {
			    mn[i] = min(mn[i], st.top().y);
				st.pop();	
			}  
			if(!st.empty()) {
				dp[i][j] = min(dp[i][j], st.top().y + a[st.top().x]);
			}
			if(st.empty() || mn[i] + a[i] < a[st.top().x] + st.top().y) {
				st.push({i, mn[i]});	
			}
			dp[i][j] = min(dp[i][j], mn[i] + a[i]);
		}
	}
	cout << dp[n][k];
}	
 
signed main() {	
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int test = 1;
	//cin >> test;
	for(int i = 1; i <= test; ++i) {
	 	//cout << "Case #" << i << ": ";
		solve();
	}
	return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 1 ms 324 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 280 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 1 ms 328 KB Output is correct
20 Correct 0 ms 324 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 1 ms 324 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 280 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 328 KB Output is correct
37 Correct 1 ms 328 KB Output is correct
38 Correct 0 ms 324 KB Output is correct
39 Correct 1 ms 324 KB Output is correct
40 Correct 0 ms 324 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 324 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 324 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 1 ms 324 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 280 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 328 KB Output is correct
37 Correct 1 ms 328 KB Output is correct
38 Correct 0 ms 324 KB Output is correct
39 Correct 1 ms 324 KB Output is correct
40 Correct 0 ms 324 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 324 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 324 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 7 ms 8404 KB Output is correct
59 Correct 16 ms 35924 KB Output is correct
60 Correct 19 ms 36272 KB Output is correct
61 Correct 54 ms 36188 KB Output is correct
62 Correct 227 ms 81232 KB Output is correct
63 Correct 42 ms 81224 KB Output is correct
64 Correct 121 ms 81232 KB Output is correct
65 Correct 1 ms 340 KB Output is correct
66 Correct 1 ms 340 KB Output is correct
67 Correct 1 ms 340 KB Output is correct
68 Correct 1 ms 340 KB Output is correct
69 Correct 1 ms 1108 KB Output is correct
70 Correct 1 ms 1108 KB Output is correct
71 Correct 14 ms 8404 KB Output is correct
72 Correct 4 ms 8404 KB Output is correct
73 Correct 7 ms 8404 KB Output is correct
74 Correct 16 ms 35916 KB Output is correct
75 Correct 19 ms 36296 KB Output is correct
76 Correct 50 ms 36172 KB Output is correct
77 Correct 203 ms 81100 KB Output is correct
78 Correct 38 ms 81108 KB Output is correct
79 Correct 105 ms 81216 KB Output is correct
80 Correct 34 ms 80332 KB Output is correct
81 Correct 51 ms 81312 KB Output is correct
82 Correct 227 ms 81228 KB Output is correct
83 Correct 1 ms 1108 KB Output is correct
84 Correct 1 ms 1100 KB Output is correct
85 Correct 18 ms 8408 KB Output is correct
86 Correct 5 ms 8460 KB Output is correct
87 Correct 8 ms 8496 KB Output is correct
88 Correct 16 ms 35880 KB Output is correct
89 Correct 20 ms 36528 KB Output is correct
90 Correct 77 ms 36588 KB Output is correct
91 Correct 255 ms 81800 KB Output is correct
92 Correct 38 ms 81704 KB Output is correct
93 Correct 130 ms 81800 KB Output is correct
94 Correct 5 ms 8404 KB Output is correct
95 Correct 15 ms 8404 KB Output is correct
96 Correct 1 ms 1108 KB Output is correct
97 Correct 1 ms 1108 KB Output is correct
98 Correct 1 ms 328 KB Output is correct
99 Correct 1 ms 340 KB Output is correct