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Submission #833412

# Submission time Handle Problem Language Result Execution time Memory
833412 2023-08-22T05:26:44 Z vjudge1 Exam (eJOI20_exam) C++17
0 / 100
 1000 ms 196716 KB 
#include<bits/stdc++.h>
#define int long long
#define For(i, n) for (int i = 0; i < n; i++)
using namespace std;

const int MAXN = 5e3;
int N, H[MAXN + 5], T[MAXN + 5], dp[MAXN + 5][MAXN + 5];

int f(int L, int R) {
	if (L > R) return 0;
	if (L == R) {
		if (H[L] == T[L]) return 1;
		else return 0;
	}
	// menjadikan semuanya max(H[l], H[l+1], .. , H[r])
	int maks = 0;
	for (int i = L; i <= R; i++) {
		maks = max(maks, H[i]);
	}
	int cnt = 0;
	for (int i = L; i <= R; i++) {
		if (T[i] == maks) cnt++;
	}
	int ans = cnt;
	for (int i = L; i <= R - 1; i++) {
		ans = max(ans, f(L, i) + f(i + 1, R));
	}
	return dp[L][R] = ans;
}

signed main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	memset(dp, -1, sizeof dp);
	cin >> N;
	For (i, N) cin >> H[i];
	For (i, N) cin >> T[i];
	cout << f(0, N - 1) << endl;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 196324 KB Output is correct
2 Correct 59 ms 196316 KB Output is correct
3 Correct 60 ms 196300 KB Output is correct
4 Correct 60 ms 196344 KB Output is correct
5 Incorrect 60 ms 196300 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1057 ms 196428 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 60 ms 196376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1048 ms 196716 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 196324 KB Output is correct
2 Correct 59 ms 196316 KB Output is correct
3 Correct 60 ms 196300 KB Output is correct
4 Correct 60 ms 196344 KB Output is correct
5 Incorrect 60 ms 196300 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 196324 KB Output is correct
2 Correct 59 ms 196316 KB Output is correct
3 Correct 60 ms 196300 KB Output is correct
4 Correct 60 ms 196344 KB Output is correct
5 Incorrect 60 ms 196300 KB Output isn't correct
6 Halted 0 ms 0 KB -