Submission #1027583

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1027583	2024-07-19T07:48:33 Z	Halym2007	Boat (APIO16_boat)	C++17	9 / 100	2 ms	600 KB

boat

#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
#define sz size()
#define ll long long
const int N = 5e2 + 5;

ll a[N], n, md = 1e9 + 7, dp[N][2];

int main () {
	int n;
	cin >> n;
	for (int i = 1; i <= n; ++i) {
		int l, r;
		cin >> l >> r;
		a[i] = l;
	}
	for (int i = 1; i <= n; ++i) {
		dp[i][0] = dp[i - 1][0] + dp[i - 1][1];
		dp[i][0] %= md;
		dp[i][1] = 1;
		for (int j = i - 1; j > 0; j--) {
			if (a[i] > a[j]) {
				dp[i][1] += dp[j][1];
				dp[i][1] %= md;
			}
		}
	}
	cout << (dp[n][1] + dp[n][0]) % md;
}	

Subtask #1

9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	428 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	2 ms	600 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct

Subtask #2

0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	428 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	2 ms	600 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Incorrect	1 ms	348 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	348 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #4

0 / 42.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	428 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	2 ms	600 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Incorrect	1 ms	348 KB	Output isn't correct
22	Halted	0 ms	0 KB	-