Submission #131700

#	Time	Username	Problem	Language	Result	Execution time	Memory
131700		someone_aa	Boat (APIO16_boat)	C++17	9 / 100	4 ms	380 KiB

boat

#include <bits/stdc++.h>
#define ll long long 
#define pb push_back
#define mp make_pair
using namespace std;
const int maxn = 510;
const ll mod = 1e9 + 7;
ll dp[maxn], n;
ll a[maxn], b[maxn];

int main() {
	cin>>n;
	for(int i=1;i<=n;i++) {
		cin>>a[i]>>b[i];
	}

	dp[0] = 1LL;
	ll result = 0LL;
	for(int i=1;i<=n;i++) {
		for(int j=0;j<i;j++) {
			if(a[i] > a[j]) dp[i] += dp[j];
			dp[i] %= mod;
		}
		result += dp[i];
		result %= mod;
	}
	cout<<result<<"\n";
}

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