답안 #535665

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
535665	2022-03-10T21:01:53 Z	MOUF_MAHMALAT	Cigle (COI21_cigle)	C++14	9 / 100	71 ms	1308 KB

cigle

#include<bits/stdc++.h>
#define all(s) s.begin(),s.end()
#define F first
#define S second
using namespace std;
typedef int ll;
ll n,a[5009],dp[509][509],p[5009],ans;
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0),cout.tie(0);
    cin>>n;
    for(ll i=1; i<=n; i++)
    {
        cin>>a[i];
        p[i]=p[i-1]+a[i];
    }
    for(ll j=2; j<=n; j++)
    {
        for(ll i=2; i<=j; i++)
        {
            ll sum=0,l=i;
            dp[i][j]=dp[i-1][i-1];
            for(ll k=i-2; k; k--)
            {
                while((p[l]-p[i-1]<p[i-1]-p[k])&&(l<j-1))
                    l++;
                if((p[l]-p[i-1]==p[i-1]-p[k])&&(p[l]-p[i-1]))
                    sum++;
                dp[i][j]=max(dp[i][j],dp[k][i-1]+sum);
            }
        }
    }
    for(ll i=1; i<=n; i++)
        ans=max(ans,dp[i][n]);
    cout<<ans;
    return 0;
}

Subtask #1

9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct

Subtask #2

0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	488 KB	Output is correct
11	Correct	1 ms	468 KB	Output is correct
12	Correct	1 ms	468 KB	Output is correct
13	Correct	1 ms	468 KB	Output is correct
14	Incorrect	1 ms	468 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #3

0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	50 ms	1196 KB	Output is correct
2	Correct	46 ms	1232 KB	Output is correct
3	Correct	50 ms	1288 KB	Output is correct
4	Correct	51 ms	1308 KB	Output is correct
5	Correct	56 ms	1292 KB	Output is correct
6	Incorrect	71 ms	1280 KB	Output isn't correct
7	Halted	0 ms	0 KB	-

Subtask #4

0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	488 KB	Output is correct
11	Correct	1 ms	468 KB	Output is correct
12	Correct	1 ms	468 KB	Output is correct
13	Correct	1 ms	468 KB	Output is correct
14	Incorrect	1 ms	468 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #5

0 / 52.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	488 KB	Output is correct
11	Correct	1 ms	468 KB	Output is correct
12	Correct	1 ms	468 KB	Output is correct
13	Correct	1 ms	468 KB	Output is correct
14	Incorrect	1 ms	468 KB	Output isn't correct
15	Halted	0 ms	0 KB	-