Submission #464303

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
464303	2021-08-12T20:19:55 Z	AdamGS	Exam (eJOI20_exam)	C++14	13 / 100	146 ms	98596 KB

exam

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=5007;
int a[LIM], b[LIM], dp[LIM][LIM];
int ma(int l, int r) {
	int ans=0;
	while(l<=r) {
		ans=max(ans, a[l]);
		++l;
	}
	return ans;
}
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	int n;
	cin >> n;
	rep(i, n) cin >> a[i+1];
	rep(i, n) cin >> b[i+1];
	rep(i, n) rep(j, n) {
		dp[i+1][j+1]=max(dp[i+1][j], dp[i][j+1]);
		if(a[i+1]==b[j+1] && ma(min(i+1, j+1), max(i+1, j+1))==a[i+1]) {
			dp[i+1][j+1]=max(dp[i+1][j+1], dp[i][j+1])+1;
		}
	}
	cout << dp[n][n] << '\n';
}

Subtask #1
0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Incorrect	1 ms	332 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #2
0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	11 ms	8268 KB	Output is correct
2	Runtime error	6 ms	716 KB	Execution killed with signal 11
3	Halted	0 ms	0 KB	-

Subtask #3
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	3 ms	3276 KB	Output is correct
3	Correct	29 ms	24036 KB	Output is correct
4	Correct	129 ms	94384 KB	Output is correct
5	Correct	146 ms	98300 KB	Output is correct
6	Correct	143 ms	98320 KB	Output is correct