Submission #734482

#	Time	Username	Problem	Language	Result	Execution time	Memory
734482		1ne	Boat (APIO16_boat)	C++14	9 / 100	2 ms	340 KiB

boat

/*
*  author : Apiram                  
*  created: 02.05.2023 19:33:30
*/

#include<bits/stdc++.h>
using namespace std;
const int mod = 1e9 + 7;
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	int n;cin>>n;
	vector<int>x(n),y(n);
	for (int i = 0;i<n;++i){
		cin>>x[i]>>y[i];
	}
	vector<long long>dp(n,1);
	for (int i = 0;i<n;++i){
		for (int j = 0;j<i;++j){
			if (x[i] > x[j]){
				dp[i] = (dp[i] + dp[j])%mod;
			}
		}
	}
	long long ans = 0;
	for (int i = 0;i<n;++i){
		ans = (ans + dp[i])%mod;
	}
	cout<<ans<<'\n';
	return 0;
}

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