Submission #967040

#	Time	Username	Problem	Language	Result	Execution time	Memory
967040		thinknoexit	Boat (APIO16_boat)	C++17	9 / 100	1 ms	476 KiB

boat

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 505;
const ll MOD = 1e9 + 7;
int a[N], b[N];
int dp[N];
int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    int n;
    cin >> n;
    int ans = 0;
    for (int i = 1;i <= n;i++) {
        cin >> a[i] >> b[i];
        dp[i] = 1;
        for (int j = 1;j < i;j++) {
            if (a[j] < a[i]) dp[i] = (dp[i] + dp[j]) % MOD;
        }
        ans = (ans + dp[i]) % MOD;
    }
    cout << ans;
    return 0;
}

• Subtask 1: 9 / 9
• Subtask 2: 0 / 22
• Subtask 3: 0 / 27
• Subtask 4: 0 / 42