답안 #1099420

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1099420	2024-10-11T09:33:49 Z	alexander707070	Tortoise (CEOI21_tortoise)	C++14	18 / 100	2 ms	2144 KB

tortoise

#include<bits/stdc++.h>
#define MAXN 307
using namespace std;

int n,a[MAXN];
int dist[MAXN],last,sum,nxt[MAXN];

int dp[MAXN][2*MAXN][2];
bool li[MAXN][2*MAXN][2];

int ff(int pos,int tim,int c){
    if(tim>2*n or pos>n)return 0;

    if(li[pos][tim][c])return dp[pos][tim][c];
    li[pos][tim][c]=true;

    if(c==1){
        if(nxt[pos]==2*n)dp[pos][tim][c]=0;
        else{
            for(int i=pos+1;i<=nxt[pos];i++){
                dp[pos][tim][c]=max(dp[pos][tim][c],ff(i,tim+2*nxt[pos]-pos-i,0)+1);
            }
        }
    }else{
        if(a[pos]>0){
            if(tim<=2*(pos-1))dp[pos][tim][c]=max(dp[pos][tim][c],ff(pos,tim,1));

            for(int s=0;tim+s*2*dist[pos]<=2*(pos-1) and s+1<=a[pos];s++){
                dp[pos][tim][c]=max(dp[pos][tim][c],ff(pos+1,tim+(s+1)*2*dist[pos]+1,0)+s+1);

                if(s+1<a[pos] and tim+2*(s+1)*dist[pos]>2*(pos-1))dp[pos][tim][c]=max(dp[pos][tim][c], ff(pos,tim+(s+1)*2*dist[pos],1)+s+1);
            }
        }

        if(pos<n)dp[pos][tim][c]=max(dp[pos][tim][c],ff(pos+1,tim+1,c));
    }

    return dp[pos][tim][c];
}

int main(){

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
        dist[i]=n;

        if(a[i]>=0)sum+=a[i];
    }

    last=-n;
    for(int i=1;i<=n;i++){
        if(a[i]==-1)last=i;
        dist[i]=min(dist[i],i-last);
    }

    last=2*n;
    for(int i=n;i>=1;i--){
        if(a[i]==-1)last=i;
        dist[i]=min(dist[i],last-i);
        
        nxt[i]=last;
    }

    cout<<sum-ff(1,0,0)<<"\n";
 
	return 0;
}

Subtask #1
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 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	1 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	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 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	1 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	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	2 ms	1880 KB	Output is correct
28	Correct	2 ms	2140 KB	Output is correct
29	Correct	2 ms	1884 KB	Output is correct
30	Correct	2 ms	1880 KB	Output is correct
31	Correct	2 ms	2144 KB	Output is correct
32	Correct	1 ms	1628 KB	Output is correct
33	Correct	2 ms	1884 KB	Output is correct
34	Correct	2 ms	1884 KB	Output is correct
35	Correct	1 ms	2140 KB	Output is correct
36	Correct	1 ms	2140 KB	Output is correct
37	Correct	2 ms	2140 KB	Output is correct
38	Correct	2 ms	2140 KB	Output is correct
39	Correct	1 ms	2140 KB	Output is correct
40	Correct	1 ms	2140 KB	Output is correct
41	Correct	1 ms	2140 KB	Output is correct

Subtask #3
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 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	1 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	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	2 ms	1880 KB	Output is correct
28	Correct	2 ms	2140 KB	Output is correct
29	Correct	2 ms	1884 KB	Output is correct
30	Correct	2 ms	1880 KB	Output is correct
31	Correct	2 ms	2144 KB	Output is correct
32	Correct	1 ms	1628 KB	Output is correct
33	Correct	2 ms	1884 KB	Output is correct
34	Correct	2 ms	1884 KB	Output is correct
35	Correct	1 ms	2140 KB	Output is correct
36	Correct	1 ms	2140 KB	Output is correct
37	Correct	2 ms	2140 KB	Output is correct
38	Correct	2 ms	2140 KB	Output is correct
39	Correct	1 ms	2140 KB	Output is correct
40	Correct	1 ms	2140 KB	Output is correct
41	Correct	1 ms	2140 KB	Output is correct
42	Incorrect	1 ms	1628 KB	Output isn't correct
43	Halted	0 ms	0 KB	-

Subtask #4
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 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	1 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	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	2 ms	1880 KB	Output is correct
28	Correct	2 ms	2140 KB	Output is correct
29	Correct	2 ms	1884 KB	Output is correct
30	Correct	2 ms	1880 KB	Output is correct
31	Correct	2 ms	2144 KB	Output is correct
32	Correct	1 ms	1628 KB	Output is correct
33	Correct	2 ms	1884 KB	Output is correct
34	Correct	2 ms	1884 KB	Output is correct
35	Correct	1 ms	2140 KB	Output is correct
36	Correct	1 ms	2140 KB	Output is correct
37	Correct	2 ms	2140 KB	Output is correct
38	Correct	2 ms	2140 KB	Output is correct
39	Correct	1 ms	2140 KB	Output is correct
40	Correct	1 ms	2140 KB	Output is correct
41	Correct	1 ms	2140 KB	Output is correct
42	Incorrect	1 ms	1628 KB	Output isn't correct
43	Halted	0 ms	0 KB	-

Subtask #5
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 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	1 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	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	2 ms	1880 KB	Output is correct
28	Correct	2 ms	2140 KB	Output is correct
29	Correct	2 ms	1884 KB	Output is correct
30	Correct	2 ms	1880 KB	Output is correct
31	Correct	2 ms	2144 KB	Output is correct
32	Correct	1 ms	1628 KB	Output is correct
33	Correct	2 ms	1884 KB	Output is correct
34	Correct	2 ms	1884 KB	Output is correct
35	Correct	1 ms	2140 KB	Output is correct
36	Correct	1 ms	2140 KB	Output is correct
37	Correct	2 ms	2140 KB	Output is correct
38	Correct	2 ms	2140 KB	Output is correct
39	Correct	1 ms	2140 KB	Output is correct
40	Correct	1 ms	2140 KB	Output is correct
41	Correct	1 ms	2140 KB	Output is correct
42	Incorrect	1 ms	1628 KB	Output isn't correct
43	Halted	0 ms	0 KB	-

답안 #1099420

Compilation message

Subtask #1 8.0 / 8.0

Subtask #2 10.0 / 10.0

Subtask #3 0 / 30.0

Subtask #4 0 / 25.0

Subtask #5 0 / 27.0

Subtask #1
8.0 / 8.0

Subtask #2
10.0 / 10.0

Subtask #3
0 / 30.0

Subtask #4
0 / 25.0

Subtask #5
0 / 27.0