답안 #1072732

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1072732	2024-08-24T03:36:11 Z	12345678	Fibonacci representations (CEOI18_fib)	C++17	50 / 100	1 ms	604 KB

fib

#include <bits/stdc++.h>

using namespace std;

const int nx=105, mod=1e9+7;

#define ll long long

ll n, a[nx], dp[nx][2], lst, cur, sz;
set<ll> s;

void add(ll x)
{
    if (x!=1&&s.find(x-1)!=s.end()) s.erase(x-1), add(x+1);
    else if (s.find(x+1)!=s.end()) s.erase(x+1), add(x+2);
    else if (s.find(x)!=s.end())
    {
        if (x==1) s.erase(x), add(2);
        else if (x==2) s.erase(x), add(1), add(3);
        else s.erase(x), add(x-2), add(x+1);
    }
    else s.insert(x);
}

ll cost(ll x, ll y)
{
    return (y-x-1)/2;
}

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n;
    s.insert(0);
    dp[0][0]=1;
    for (int i=1; i<=n; i++)
    {
        cin>>a[i];
        add(a[i]);
        auto itr=s.begin();
        sz=s.size()-1;
        for (int j=1; j<=sz; j++)
        {
            lst=*(itr++);
            cur=*itr;
            dp[j][0]=(dp[j-1][0]+dp[j-1][1])%mod;
            dp[j][1]=(dp[j-1][0]*cost(lst, cur)+dp[j-1][1]*cost(lst-1, cur))%mod;
            //cout<<"cur "<<cur<<' '<<dp[j][0]<<' '<<dp[j][1]<<'\n';
        }
        cout<<(dp[sz][0]+dp[sz][1])%mod<<'\n';
    }
}

Subtask #1

5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct

Subtask #3

15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct

Subtask #4

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	432 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct

Subtask #5

0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	1 ms	604 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	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	432 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Runtime error	1 ms	604 KB	Execution killed with signal 11
25	Halted	0 ms	0 KB	-