Submission #1027378

#	Time	Username	Problem	Language	Result	Execution time	Memory
1027378		stdfloat	Boat (APIO16_boat)	C++17	9 / 100	2 ms	604 KiB

boat

#include <bits/stdc++.h>
using namespace std;

using ll = long long;

const int md = (int)1e9 + 7;

int main() {
    ios::sync_with_stdio(false); cin.tie(nullptr);

    int n;
    cin >> n;

    vector<int> a(n), b(n);
    for (int i = 0; i < n; i++) cin >> a[i] >> b[i];

    vector<int> dp(n);
    for (int i = 0; i < n; i++) {
        dp[i] = 1;
        for (int j = 0; j < i; j++) {
            if (a[j] < a[i]) dp[i] = (dp[i] + dp[j]) % md;
        }
    }

    ll sm = 0;
    for (auto i : dp) sm = (sm + i) % md;

    cout << sm;
}

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