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Submission #1002895

# Submission time Handle Problem Language Result Execution time Memory
1002895 2024-06-19T21:09:30 Z ThegeekKnight16 Cigle (COI21_cigle) C++17
48 / 100
 389 ms 524288 KB 
#include <bits/stdc++.h>
using namespace std;

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int N;
	cin >> N;
	vector<int> d(N+1);
	for (int i = 1; i <= N; i++) cin >> d[i];
	vector<vector<vector<int>>> C(N+1, vector<vector<int>>(N+1, vector<int>(N+1)));

	for (int i = 1; i <= N; i++)
		for (int j = i+1; j <= N; j++)
		{
			vector<int> somas;
			int sum = 0;
			for (int k = j-1; k >= i; k--) sum += d[k], somas.push_back(sum);
			somas.pop_back();

			sum = 0; int resp = 0, p = 0;
			for (int k = j; k <= N; k++)
			{
				C[i][j][k] = resp;
				sum += d[k];
				while (p < somas.size() && somas[p] < sum) ++p;
				if (p < somas.size() && somas[p] == sum) resp++, ++p;
			}
		}

	vector<vector<int>> dp(N+1, vector<int>(N+1));

	for (int i = 2; i <= N; i++)
		for (int j = i; j <= N; j++)
		{
			dp[i][j] = 0;
			for (int k = 1; k < i; k++) dp[i][j] = max(dp[i][j], dp[k][i-1] + C[k][i][j]);
			// cerr << "dp[" << i << " " << j << "]: " << dp[i][j] << '\n'; 
		}
	int resp = 0;
	for (int i = 1; i <= N; i++) resp = max(resp, dp[i][N]);
	cout << resp << '\n';
}

Compilation message

cigle.cpp: In function 'int main()':
cigle.cpp:27:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     while (p < somas.size() && somas[p] < sum) ++p;
      |            ~~^~~~~~~~~~~~~~
cigle.cpp:28:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     if (p < somas.size() && somas[p] == sum) resp++, ++p;
      |         ~~^~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 604 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 2 ms 2652 KB Output is correct
11 Correct 2 ms 2652 KB Output is correct
12 Correct 2 ms 2652 KB Output is correct
13 Correct 2 ms 2652 KB Output is correct
14 Correct 2 ms 2652 KB Output is correct
15 Correct 2 ms 2652 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 2 ms 2652 KB Output is correct
18 Correct 2 ms 2652 KB Output is correct
19 Correct 4 ms 2648 KB Output is correct
20 Correct 3 ms 2652 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 346 ms 502356 KB Output is correct
2 Correct 352 ms 502360 KB Output is correct
3 Correct 326 ms 502352 KB Output is correct
4 Correct 346 ms 502356 KB Output is correct
5 Correct 347 ms 502284 KB Output is correct
6 Correct 381 ms 502476 KB Output is correct
7 Correct 361 ms 502356 KB Output is correct
8 Correct 384 ms 502292 KB Output is correct
9 Correct 368 ms 502476 KB Output is correct
10 Correct 333 ms 502356 KB Output is correct
11 Correct 345 ms 502352 KB Output is correct
12 Correct 351 ms 502460 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 2 ms 2652 KB Output is correct
11 Correct 2 ms 2652 KB Output is correct
12 Correct 2 ms 2652 KB Output is correct
13 Correct 2 ms 2652 KB Output is correct
14 Correct 2 ms 2652 KB Output is correct
15 Correct 2 ms 2652 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 2 ms 2652 KB Output is correct
18 Correct 2 ms 2652 KB Output is correct
19 Correct 4 ms 2648 KB Output is correct
20 Correct 3 ms 2652 KB Output is correct
21 Correct 346 ms 502356 KB Output is correct
22 Correct 352 ms 502360 KB Output is correct
23 Correct 326 ms 502352 KB Output is correct
24 Correct 346 ms 502356 KB Output is correct
25 Correct 347 ms 502284 KB Output is correct
26 Correct 381 ms 502476 KB Output is correct
27 Correct 361 ms 502356 KB Output is correct
28 Correct 384 ms 502292 KB Output is correct
29 Correct 368 ms 502476 KB Output is correct
30 Correct 333 ms 502356 KB Output is correct
31 Correct 345 ms 502352 KB Output is correct
32 Correct 351 ms 502460 KB Output is correct
33 Correct 328 ms 502468 KB Output is correct
34 Correct 352 ms 502356 KB Output is correct
35 Correct 326 ms 502340 KB Output is correct
36 Correct 341 ms 502324 KB Output is correct
37 Correct 376 ms 502228 KB Output is correct
38 Correct 368 ms 502608 KB Output is correct
39 Correct 374 ms 502472 KB Output is correct
40 Correct 389 ms 502356 KB Output is correct
41 Correct 374 ms 502356 KB Output is correct
42 Correct 360 ms 502356 KB Output is correct
43 Correct 331 ms 502356 KB Output is correct
44 Correct 379 ms 502356 KB Output is correct
45 Correct 372 ms 502352 KB Output is correct
46 Correct 335 ms 502356 KB Output is correct
47 Correct 344 ms 502356 KB Output is correct
48 Correct 331 ms 502612 KB Output is correct
49 Correct 346 ms 502360 KB Output is correct

Subtask #5
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 2 ms 2652 KB Output is correct
11 Correct 2 ms 2652 KB Output is correct
12 Correct 2 ms 2652 KB Output is correct
13 Correct 2 ms 2652 KB Output is correct
14 Correct 2 ms 2652 KB Output is correct
15 Correct 2 ms 2652 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 2 ms 2652 KB Output is correct
18 Correct 2 ms 2652 KB Output is correct
19 Correct 4 ms 2648 KB Output is correct
20 Correct 3 ms 2652 KB Output is correct
21 Correct 346 ms 502356 KB Output is correct
22 Correct 352 ms 502360 KB Output is correct
23 Correct 326 ms 502352 KB Output is correct
24 Correct 346 ms 502356 KB Output is correct
25 Correct 347 ms 502284 KB Output is correct
26 Correct 381 ms 502476 KB Output is correct
27 Correct 361 ms 502356 KB Output is correct
28 Correct 384 ms 502292 KB Output is correct
29 Correct 368 ms 502476 KB Output is correct
30 Correct 333 ms 502356 KB Output is correct
31 Correct 345 ms 502352 KB Output is correct
32 Correct 351 ms 502460 KB Output is correct
33 Correct 328 ms 502468 KB Output is correct
34 Correct 352 ms 502356 KB Output is correct
35 Correct 326 ms 502340 KB Output is correct
36 Correct 341 ms 502324 KB Output is correct
37 Correct 376 ms 502228 KB Output is correct
38 Correct 368 ms 502608 KB Output is correct
39 Correct 374 ms 502472 KB Output is correct
40 Correct 389 ms 502356 KB Output is correct
41 Correct 374 ms 502356 KB Output is correct
42 Correct 360 ms 502356 KB Output is correct
43 Correct 331 ms 502356 KB Output is correct
44 Correct 379 ms 502356 KB Output is correct
45 Correct 372 ms 502352 KB Output is correct
46 Correct 335 ms 502356 KB Output is correct
47 Correct 344 ms 502356 KB Output is correct
48 Correct 331 ms 502612 KB Output is correct
49 Correct 346 ms 502360 KB Output is correct
50 Runtime error 237 ms 524288 KB Execution killed with signal 9
51 Halted 0 ms 0 KB -