oj.uz

Submission #959840

# Submission time Handle Problem Language Result Execution time Memory
959840 2024-04-09T07:59:51 Z ono_de206 Cigle (COI21_cigle) C++14
100 / 100
 342 ms 332140 KB 
#include<bits/stdc++.h>
using namespace std;

#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second

#define int long long

typedef long long ll;
typedef vector<int> vi;
typedef set<int> si;
typedef multiset<int> msi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;
// typedef pair<int, int> P;

template<typename T, typename U>
ostream & operator << (ostream &out, const pair<T, U> &c) {
	out << c.first << ' ' << c.second;
	return out;
}

template<typename T>
ostream & operator << (ostream &out, vector<T> &v) {
	const int sz = v.size();
	for (int i = 0; i < sz; i++) {
		if (i) out << ' ';
		out << v[i];
	}
	return out;
}

template<typename T>
istream & operator >> (istream &in, vector<T> &v) {
	for (T &x : v) in >> x;
	return in;
}

template<typename T, typename U>
	istream & operator >> (istream &in, pair<T, U> &c) {
	in >> c.first;
	in >> c.second;
	return in;
}

template<typename T>
void mxx(T &a, T b){if(b > a) a = b;}
template<typename T>
void mnn(T &a, T b){if(b < a) a = b;}

const int mxn = 5e3 + 10, MXLOG = 22, mod = 1e9 + 7, P = 1181, D = 1523, N = 2500;
const long long inf = 2e18 + 10;
int dp[mxn][mxn], a[mxn], pos[mxn][mxn];

void go() {
	int n;
	cin >> n;
	for(int i = 1; i <= n; i++) {
		cin >> a[i];
	}
	for(int i = 1; i <= n; i++) {
		int l = i, sum = 0;
		for(int j = i + 1; j <= n; j++) {
			sum += a[j];
			while(sum > 0 && l > 0) {
				sum -= a[l];
				l--;
			}
			if(sum == 0) {
				pos[i][j] = l + 1;
			}
		}
	}
	for(int i = 1; i <= n; i++) {
		for(int j = 1; j <= n; j++) {
			mxx(dp[i][j], dp[i][j - 1]);
		}
		int cnt = 0, mx = 0;
		for(int j = i + 1; j <= n; j++) {
			dp[j][i + 1] = mx;
			if(pos[i][j] > 1) {
				cnt++;
				mxx(mx, dp[i][pos[i][j] - 1] + cnt);
			}
		}
	}
	cout << dp[n][n] << endl;
}

signed main() {
	fast;
	int t = 1;
	// cin >> t;
	while(t--) {
		go();
	}
	return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6744 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 4560 KB Output is correct
8 Correct 1 ms 6744 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6744 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 4560 KB Output is correct
8 Correct 1 ms 6744 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 2 ms 10588 KB Output is correct
11 Correct 2 ms 10588 KB Output is correct
12 Correct 2 ms 10588 KB Output is correct
13 Correct 2 ms 10588 KB Output is correct
14 Correct 1 ms 10724 KB Output is correct
15 Correct 2 ms 10588 KB Output is correct
16 Correct 2 ms 8540 KB Output is correct
17 Correct 2 ms 10588 KB Output is correct
18 Correct 2 ms 10584 KB Output is correct
19 Correct 2 ms 10588 KB Output is correct
20 Correct 2 ms 10588 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 43356 KB Output is correct
2 Correct 6 ms 43356 KB Output is correct
3 Correct 6 ms 43472 KB Output is correct
4 Correct 6 ms 43356 KB Output is correct
5 Correct 6 ms 43564 KB Output is correct
6 Correct 7 ms 43352 KB Output is correct
7 Correct 7 ms 43484 KB Output is correct
8 Correct 7 ms 43356 KB Output is correct
9 Correct 7 ms 43508 KB Output is correct
10 Correct 6 ms 43352 KB Output is correct
11 Correct 7 ms 43352 KB Output is correct
12 Correct 6 ms 43356 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6744 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 4560 KB Output is correct
8 Correct 1 ms 6744 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 2 ms 10588 KB Output is correct
11 Correct 2 ms 10588 KB Output is correct
12 Correct 2 ms 10588 KB Output is correct
13 Correct 2 ms 10588 KB Output is correct
14 Correct 1 ms 10724 KB Output is correct
15 Correct 2 ms 10588 KB Output is correct
16 Correct 2 ms 8540 KB Output is correct
17 Correct 2 ms 10588 KB Output is correct
18 Correct 2 ms 10584 KB Output is correct
19 Correct 2 ms 10588 KB Output is correct
20 Correct 2 ms 10588 KB Output is correct
21 Correct 14 ms 43356 KB Output is correct
22 Correct 6 ms 43356 KB Output is correct
23 Correct 6 ms 43472 KB Output is correct
24 Correct 6 ms 43356 KB Output is correct
25 Correct 6 ms 43564 KB Output is correct
26 Correct 7 ms 43352 KB Output is correct
27 Correct 7 ms 43484 KB Output is correct
28 Correct 7 ms 43356 KB Output is correct
29 Correct 7 ms 43508 KB Output is correct
30 Correct 6 ms 43352 KB Output is correct
31 Correct 7 ms 43352 KB Output is correct
32 Correct 6 ms 43356 KB Output is correct
33 Correct 7 ms 43364 KB Output is correct
34 Correct 6 ms 43356 KB Output is correct
35 Correct 6 ms 43356 KB Output is correct
36 Correct 6 ms 43356 KB Output is correct
37 Correct 6 ms 43356 KB Output is correct
38 Correct 7 ms 43356 KB Output is correct
39 Correct 7 ms 43508 KB Output is correct
40 Correct 5 ms 37212 KB Output is correct
41 Correct 6 ms 43356 KB Output is correct
42 Correct 7 ms 43356 KB Output is correct
43 Correct 7 ms 43488 KB Output is correct
44 Correct 6 ms 41308 KB Output is correct
45 Correct 7 ms 43352 KB Output is correct
46 Correct 6 ms 43356 KB Output is correct
47 Correct 6 ms 43356 KB Output is correct
48 Correct 6 ms 43356 KB Output is correct
49 Correct 8 ms 43356 KB Output is correct

Subtask #5
52.0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6744 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 4560 KB Output is correct
8 Correct 1 ms 6744 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 2 ms 10588 KB Output is correct
11 Correct 2 ms 10588 KB Output is correct
12 Correct 2 ms 10588 KB Output is correct
13 Correct 2 ms 10588 KB Output is correct
14 Correct 1 ms 10724 KB Output is correct
15 Correct 2 ms 10588 KB Output is correct
16 Correct 2 ms 8540 KB Output is correct
17 Correct 2 ms 10588 KB Output is correct
18 Correct 2 ms 10584 KB Output is correct
19 Correct 2 ms 10588 KB Output is correct
20 Correct 2 ms 10588 KB Output is correct
21 Correct 14 ms 43356 KB Output is correct
22 Correct 6 ms 43356 KB Output is correct
23 Correct 6 ms 43472 KB Output is correct
24 Correct 6 ms 43356 KB Output is correct
25 Correct 6 ms 43564 KB Output is correct
26 Correct 7 ms 43352 KB Output is correct
27 Correct 7 ms 43484 KB Output is correct
28 Correct 7 ms 43356 KB Output is correct
29 Correct 7 ms 43508 KB Output is correct
30 Correct 6 ms 43352 KB Output is correct
31 Correct 7 ms 43352 KB Output is correct
32 Correct 6 ms 43356 KB Output is correct
33 Correct 7 ms 43364 KB Output is correct
34 Correct 6 ms 43356 KB Output is correct
35 Correct 6 ms 43356 KB Output is correct
36 Correct 6 ms 43356 KB Output is correct
37 Correct 6 ms 43356 KB Output is correct
38 Correct 7 ms 43356 KB Output is correct
39 Correct 7 ms 43508 KB Output is correct
40 Correct 5 ms 37212 KB Output is correct
41 Correct 6 ms 43356 KB Output is correct
42 Correct 7 ms 43356 KB Output is correct
43 Correct 7 ms 43488 KB Output is correct
44 Correct 6 ms 41308 KB Output is correct
45 Correct 7 ms 43352 KB Output is correct
46 Correct 6 ms 43356 KB Output is correct
47 Correct 6 ms 43356 KB Output is correct
48 Correct 6 ms 43356 KB Output is correct
49 Correct 8 ms 43356 KB Output is correct
50 Correct 318 ms 329628 KB Output is correct
51 Correct 264 ms 331344 KB Output is correct
52 Correct 262 ms 331348 KB Output is correct
53 Correct 255 ms 331584 KB Output is correct
54 Correct 250 ms 332060 KB Output is correct
55 Correct 251 ms 331344 KB Output is correct
56 Correct 287 ms 331228 KB Output is correct
57 Correct 289 ms 331332 KB Output is correct
58 Correct 294 ms 332140 KB Output is correct
59 Correct 293 ms 330488 KB Output is correct
60 Correct 293 ms 303296 KB Output is correct
61 Correct 272 ms 311188 KB Output is correct
62 Correct 288 ms 311284 KB Output is correct
63 Correct 264 ms 320336 KB Output is correct
64 Correct 269 ms 320044 KB Output is correct
65 Correct 270 ms 313684 KB Output is correct
66 Correct 308 ms 313428 KB Output is correct
67 Correct 305 ms 310616 KB Output is correct
68 Correct 271 ms 308012 KB Output is correct
69 Correct 283 ms 310916 KB Output is correct
70 Correct 342 ms 312660 KB Output is correct
71 Correct 308 ms 314712 KB Output is correct
72 Correct 285 ms 324692 KB Output is correct