답안 #157209

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
157209	2019-10-10T05:31:16 Z	combi1k1	스트랩 (JOI14_straps)	C++14	100 / 100	27 ms	16120 KB

straps

#include<bits/stdc++.h>

using namespace std;

#define X   first
#define Y   second

const int   N   = 2002;
const int   inf = 2e9 + 7;

typedef pair<int,int>   ii;

int f[N][N];
ii  rope[N];

int main()  {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    int n;  cin >> n;

    for(int i = 1 ; i <= n ; ++i)   {
        cin >> rope[i].X;
        cin >> rope[i].Y;
    }

    sort(rope + 1, rope + 1 + n,greater<ii>());

    for(int i = n ; i >= 1 ; --i)
    for(int j = 0 ; j <= n ; ++j)   {
        if (i > n)  {
            f[i][j] = 0;
            continue;
        }
        f[i][j] = max(f[i + 1][j],j > 0 ? f[i + 1][min(j - 1 + rope[i].X,n)] + rope[i].Y : 0);
    }

    cout << f[1][1] << endl;
}

Subtask #1

5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	3 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	380 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	13 ms	348 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct

Subtask #2

5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	3 ms	760 KB	Output is correct
3	Correct	2 ms	760 KB	Output is correct
4	Correct	2 ms	760 KB	Output is correct
5	Correct	2 ms	760 KB	Output is correct
6	Correct	3 ms	764 KB	Output is correct
7	Correct	2 ms	760 KB	Output is correct
8	Correct	10 ms	8184 KB	Output is correct
9	Correct	10 ms	8184 KB	Output is correct
10	Correct	11 ms	8184 KB	Output is correct
11	Correct	10 ms	8184 KB	Output is correct
12	Correct	24 ms	16020 KB	Output is correct
13	Correct	23 ms	15992 KB	Output is correct
14	Correct	23 ms	15992 KB	Output is correct
15	Correct	23 ms	15996 KB	Output is correct
16	Correct	23 ms	15980 KB	Output is correct
17	Correct	23 ms	15992 KB	Output is correct
18	Correct	23 ms	15992 KB	Output is correct
19	Correct	23 ms	15996 KB	Output is correct
20	Correct	23 ms	16060 KB	Output is correct
21	Correct	24 ms	15992 KB	Output is correct
22	Correct	23 ms	15992 KB	Output is correct
23	Correct	23 ms	15992 KB	Output is correct
24	Correct	24 ms	15992 KB	Output is correct
25	Correct	23 ms	15992 KB	Output is correct
26	Correct	23 ms	16120 KB	Output is correct
27	Correct	24 ms	16024 KB	Output is correct
28	Correct	23 ms	15992 KB	Output is correct
29	Correct	23 ms	15992 KB	Output is correct
30	Correct	23 ms	15992 KB	Output is correct
31	Correct	23 ms	15992 KB	Output is correct

Subtask #3

45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	760 KB	Output is correct
2	Correct	2 ms	760 KB	Output is correct
3	Correct	2 ms	760 KB	Output is correct
4	Correct	2 ms	760 KB	Output is correct
5	Correct	2 ms	760 KB	Output is correct
6	Correct	2 ms	760 KB	Output is correct
7	Correct	2 ms	804 KB	Output is correct
8	Correct	2 ms	760 KB	Output is correct
9	Correct	10 ms	8188 KB	Output is correct
10	Correct	11 ms	8184 KB	Output is correct
11	Correct	10 ms	8184 KB	Output is correct
12	Correct	10 ms	8184 KB	Output is correct
13	Correct	10 ms	8184 KB	Output is correct
14	Correct	11 ms	8156 KB	Output is correct
15	Correct	10 ms	8184 KB	Output is correct
16	Correct	10 ms	8184 KB	Output is correct
17	Correct	23 ms	15992 KB	Output is correct
18	Correct	23 ms	15992 KB	Output is correct
19	Correct	24 ms	15992 KB	Output is correct
20	Correct	26 ms	15992 KB	Output is correct
21	Correct	23 ms	15992 KB	Output is correct
22	Correct	23 ms	15992 KB	Output is correct
23	Correct	26 ms	15992 KB	Output is correct
24	Correct	23 ms	15992 KB	Output is correct
25	Correct	23 ms	16064 KB	Output is correct
26	Correct	24 ms	16032 KB	Output is correct
27	Correct	24 ms	15992 KB	Output is correct
28	Correct	23 ms	15992 KB	Output is correct
29	Correct	23 ms	15996 KB	Output is correct
30	Correct	25 ms	16060 KB	Output is correct
31	Correct	23 ms	15992 KB	Output is correct
32	Correct	23 ms	15992 KB	Output is correct
33	Correct	23 ms	15992 KB	Output is correct

Subtask #4

45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	23 ms	15992 KB	Output is correct
2	Correct	24 ms	16100 KB	Output is correct
3	Correct	23 ms	15992 KB	Output is correct
4	Correct	23 ms	15992 KB	Output is correct
5	Correct	24 ms	15964 KB	Output is correct
6	Correct	23 ms	15992 KB	Output is correct
7	Correct	23 ms	15992 KB	Output is correct
8	Correct	23 ms	15992 KB	Output is correct
9	Correct	23 ms	15992 KB	Output is correct
10	Correct	26 ms	15992 KB	Output is correct
11	Correct	26 ms	15992 KB	Output is correct
12	Correct	24 ms	15992 KB	Output is correct
13	Correct	24 ms	15996 KB	Output is correct
14	Correct	27 ms	15992 KB	Output is correct
15	Correct	25 ms	15992 KB	Output is correct
16	Correct	23 ms	15964 KB	Output is correct
17	Correct	24 ms	15992 KB	Output is correct
18	Correct	24 ms	15992 KB	Output is correct
19	Correct	26 ms	15992 KB	Output is correct
20	Correct	23 ms	15996 KB	Output is correct
21	Correct	23 ms	15992 KB	Output is correct
22	Correct	24 ms	15992 KB	Output is correct
23	Correct	23 ms	15992 KB	Output is correct
24	Correct	23 ms	15992 KB	Output is correct
25	Correct	23 ms	15992 KB	Output is correct