Submission #78912

#	Time	Username	Problem	Language	Result	Execution time	Memory
78912		aminra	Fibonacci representations (CEOI18_fib)	C++14	15 / 100	2391 ms	680 KiB

fib

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
const int MOD = (int)1e9 + 7;
const int MAXN = (int)107;
const int infint = (int)1e9;
ll n, a[MAXN], dp1[MAXN], dp2[MAXN];
vector<int> v;
ll get()
{
	dp1[0] = 1, dp2[0] = 0;
	for (int i = 1; i < v.size(); i++)
		dp1[i] = (dp1[i - 1] + dp2[i - 1]) % MOD, dp2[i] = dp1[i - 1] * ((v[i] - v[i - 1] - 1) / 2) % MOD + dp2[i - 1] * ((v[i] - v[i - 1]) / 2) % MOD, dp2[i] %= MOD;
	return (dp1[v.size() - 1] + dp2[v.size() - 1]) % MOD;
}
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	cin >> n;
	for (int i = 0; i < n; i++)
		cin >> a[i];
	v.push_back(0);
	for (int i = 0; i < n; i++)
	{
		v.push_back(a[i]);
		sort(v.begin(), v.end());
		cout << get() << " ";
	}
}

Compilation message (stderr)

fib.cpp: In function 'll get()':
fib.cpp:13:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 1; i < v.size(); i++)
                  ~~^~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 20
• Subtask 3: 15 / 15
• Subtask 4: 0 / 10
• Subtask 5: 0 / 15
• Subtask 6: 0 / 35