답안 #582533

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
582533	2022-06-24T04:18:50 Z	amunduzbaev	Fibonacci representations (CEOI18_fib)	C++17	50 / 100	1 ms	468 KB

fib

#include "bits/stdc++.h"
using namespace std;
 
#define ar array
typedef int64_t ll;
#define int ll

const int N = 100;
const int mod = 1e9 + 7;
int a[N];

signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n; cin>>n;
	for(int i=0;i<n;i++){
		cin>>a[i];
	}
	
	set<int> ss;
	function<void(int)> add = [&](int x){
		if(ss.count(x)){
			ss.erase(x);
			add(x + 1);
			if(x > 2) add(x - 2);
			else if(x == 2) add(x - 1);
			return;
		}
		
		if(ss.count(x + 1)){
			ss.erase(x + 1);
			add(x + 2);
			return;
		}
		
		if(ss.count(x - 1)){
			ss.erase(x - 1);
			add(x + 1);
			return;
		}
		
		ss.insert(x);
	};
	
	for(int i=0;i<n;i++){
		add(a[i]);
		
		vector<int> f;
		for(auto x : ss) f.push_back(x);
		//~ for(auto x : f) cout<<x<<" ";
		//~ cout<<"\n";
		ar<int, 2> dp {};
		dp[0] = 1;
		int m = f.size(), last = 0;
		for(int i=0,j=0;i<m;){
			ar<int, 2> tp {};
			while(j<m && (j == i || f[j] == f[j-1] + 2)) j++;
			int p = f[i] - last - 1;
			tp[0] = dp[0] * 1ll * (1 + (p / 2) * 1ll * (j - i - 1) % mod) % mod;
			tp[0] = (tp[0] + dp[1] * 1ll * (1 + ((p + 1) / 2) * 1ll * (j - i - 1) % mod)) % mod;
			tp[1] = dp[0] * 1ll * (p / 2) % mod;
			tp[1] = (tp[1] + dp[1] * 1ll * ((p + 1) / 2)) % mod;
			swap(tp, dp);
			//~ cout<<dp[0]<<" "<<dp[1]<<"\n";
			last = f[j - 1];
			i = j;
		}
		
		//~ cout<<dp[0]<<" "<<dp[1]<<"\n";
		cout<<(dp[0] + dp[1]) % mod<<"\n";
	}
}

Subtask #1

5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	272 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	272 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	324 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct

Subtask #3

15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	324 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct

Subtask #4

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	272 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	324 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	324 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	324 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	324 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	320 KB	Output is correct
23	Correct	1 ms	320 KB	Output is correct

Subtask #5

0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	1 ms	468 KB	Execution killed with signal 11
2	Halted	0 ms	0 KB	-

Subtask #6

0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	272 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	324 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	324 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	324 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	324 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	320 KB	Output is correct
23	Correct	1 ms	320 KB	Output is correct
24	Runtime error	1 ms	468 KB	Execution killed with signal 11
25	Halted	0 ms	0 KB	-