Submission #110785

#	Time	Username	Problem	Language	Result	Execution time	Memory
110785		tictaccat	Boat (APIO16_boat)	C++14	9 / 100	17 ms	384 KiB

boat

#include <bits/stdc++.h>

using namespace std;

const int MAX = 500 + 5;
const int MOD = 1e9 + 7;

int N,ans;
vector<int> a(MAX), b(MAX), dp(MAX);

int main() {

    cin >> N;

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

    for (int i = 0; i < N; i++) {
        dp[i] = 1;
        for (int j = 0; j < i; j++) {
            if (a[i] > a[j]) {
                dp[i] += dp[j];
                dp[i] %= MOD;
            }
        }
        ans += dp[i];
        ans %= MOD;
    }

    cout << ans << "\n";

    return 0;
}

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