Submission #433825

#	Time	Username	Problem	Language	Result	Execution time	Memory
433825		Mounir	Boat (APIO16_boat)	C++14	9 / 100	3 ms	252 KiB

boat

#include <bits/stdc++.h>
#define chmax(x, v) x = max(x, v)
#define pii pair<int, int>
#define pb push_back
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
#define int long long
using namespace std;

const int N = 105, MOD = 1e9 + 7, INDEFINI = -1;

signed main(){
	int nBoats;
	cin >> nBoats;
	vector<int> vals(nBoats);
	for (int& val : vals){
		cin >> val;
		cin >> val;
	}

	int nVals = nBoats;
	int dp[nVals];
	dp[0] = 1;
	int sum = 1;
	for (int ind = 1; ind < nVals; ++ind){
		dp[ind] = 1;
		for (int j = 0; j < ind; ++j){
			if (vals[j] < vals[ind])
				dp[ind] = (dp[ind] + dp[j])%MOD;
		}
		sum = (sum + dp[ind])%MOD;
	}
	cout << sum << endl;
	return 0;
}

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