Submission #447462

#	Time	Username	Problem	Language	Result	Execution time	Memory
447462		snasibov05	Boat (APIO16_boat)	C++14	9 / 100	2 ms	300 KiB

boat

#include <iostream>
#include <vector>

using namespace std;

int main() {
    const int m = 1e9 + 7;

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

    int ans = 0;
    vector<int> res(n, 1);
    for (int i = 0; i < n; ++i){
        for (int j = 0; j < i; ++j){
            if (a[j] < a[i]) {
                res[i] += res[j];
                res[i] %= m;
            }
        }
        ans += res[i];
        ans %= m;
    }
    cout << ans << "\n";
    return 0;
}

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