답안 #7056 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
7056	2014-07-20T10:35:20 Z	gs14004	스트랩 (JOI14_straps)	C++	100 / 100	88 ms	16804 KB

straps

#include <cstdio>
#include <algorithm>

struct strap{int c,h;}a[2005];
int cmp(strap p, strap q){return p.c>q.c;}

int n;
int dp[2005][2005];

int f(int avail, int pos){
    if(pos==n) return 0;
    if(avail>n) avail=n;
    if(avail<0) return 0;
    if(dp[avail][pos]) return dp[avail][pos];
    return dp[avail][pos]=std::max(f(avail+a[pos+1].c-1,pos+1),f(avail,pos+1)-a[pos+1].h)+a[pos].h;
}

int main(){
    scanf("%d",&n);
    for (int i=0; i<n; i++) {
        scanf("%d %d",&a[i].c,&a[i].h);
    }
    std::sort(a,a+n,cmp);
    printf("%d",std::max(f(a[0].c,0),f(1,0)-a[0].h));
}

Subtask #1
5.0 / 5.0

#	결과	메모리	Grader output
1	Correct	16804 KB	Output is correct
2	Correct	16804 KB	Output is correct
3	Correct	16804 KB	Output is correct
4	Correct	16804 KB	Output is correct
5	Correct	16804 KB	Output is correct
6	Correct	16804 KB	Output is correct
7	Correct	16804 KB	Output is correct
8	Correct	16804 KB	Output is correct
9	Correct	16804 KB	Output is correct
10	Correct	16804 KB	Output is correct
11	Correct	16804 KB	Output is correct
12	Correct	16804 KB	Output is correct
13	Correct	16804 KB	Output is correct
14	Correct	16804 KB	Output is correct
15	Correct	16804 KB	Output is correct
16	Correct	16804 KB	Output is correct
17	Correct	16804 KB	Output is correct
18	Correct	16804 KB	Output is correct
19	Correct	16804 KB	Output is correct
20	Correct	16804 KB	Output is correct
21	Correct	16804 KB	Output is correct
22	Correct	16804 KB	Output is correct
23	Correct	16804 KB	Output is correct
24	Correct	16804 KB	Output is correct
25	Correct	16804 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	16804 KB	Output is correct
2	Correct	0 ms	16804 KB	Output is correct
3	Correct	0 ms	16804 KB	Output is correct
4	Correct	0 ms	16804 KB	Output is correct
5	Correct	0 ms	16804 KB	Output is correct
6	Correct	0 ms	16804 KB	Output is correct
7	Correct	0 ms	16804 KB	Output is correct
8	Correct	4 ms	16804 KB	Output is correct
9	Correct	4 ms	16804 KB	Output is correct
10	Correct	0 ms	16804 KB	Output is correct
11	Correct	0 ms	16804 KB	Output is correct
12	Correct	12 ms	16804 KB	Output is correct
13	Correct	16 ms	16804 KB	Output is correct
14	Correct	12 ms	16804 KB	Output is correct
15	Correct	12 ms	16804 KB	Output is correct
16	Correct	12 ms	16804 KB	Output is correct
17	Correct	12 ms	16804 KB	Output is correct
18	Correct	8 ms	16804 KB	Output is correct
19	Correct	44 ms	16804 KB	Output is correct
20	Correct	48 ms	16804 KB	Output is correct
21	Correct	56 ms	16804 KB	Output is correct
22	Correct	12 ms	16804 KB	Output is correct
23	Correct	52 ms	16804 KB	Output is correct
24	Correct	16 ms	16804 KB	Output is correct
25	Correct	56 ms	16804 KB	Output is correct
26	Correct	52 ms	16804 KB	Output is correct
27	Correct	60 ms	16804 KB	Output is correct
28	Correct	68 ms	16804 KB	Output is correct
29	Correct	56 ms	16804 KB	Output is correct
30	Correct	36 ms	16804 KB	Output is correct
31	Correct	28 ms	16804 KB	Output is correct

Subtask #3
45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	16804 KB	Output is correct
2	Correct	0 ms	16804 KB	Output is correct
3	Correct	0 ms	16804 KB	Output is correct
4	Correct	0 ms	16804 KB	Output is correct
5	Correct	0 ms	16804 KB	Output is correct
6	Correct	0 ms	16804 KB	Output is correct
7	Correct	0 ms	16804 KB	Output is correct
8	Correct	0 ms	16804 KB	Output is correct
9	Correct	4 ms	16804 KB	Output is correct
10	Correct	4 ms	16804 KB	Output is correct
11	Correct	0 ms	16804 KB	Output is correct
12	Correct	4 ms	16804 KB	Output is correct
13	Correct	0 ms	16804 KB	Output is correct
14	Correct	4 ms	16804 KB	Output is correct
15	Correct	0 ms	16804 KB	Output is correct
16	Correct	4 ms	16804 KB	Output is correct
17	Correct	16 ms	16804 KB	Output is correct
18	Correct	8 ms	16804 KB	Output is correct
19	Correct	8 ms	16804 KB	Output is correct
20	Correct	8 ms	16804 KB	Output is correct
21	Correct	20 ms	16804 KB	Output is correct
22	Correct	20 ms	16804 KB	Output is correct
23	Correct	12 ms	16804 KB	Output is correct
24	Correct	16 ms	16804 KB	Output is correct
25	Correct	16 ms	16804 KB	Output is correct
26	Correct	16 ms	16804 KB	Output is correct
27	Correct	12 ms	16804 KB	Output is correct
28	Correct	4 ms	16804 KB	Output is correct
29	Correct	20 ms	16804 KB	Output is correct
30	Correct	8 ms	16804 KB	Output is correct
31	Correct	12 ms	16804 KB	Output is correct
32	Correct	12 ms	16804 KB	Output is correct
33	Correct	4 ms	16804 KB	Output is correct

Subtask #4
45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	28 ms	16804 KB	Output is correct
2	Correct	32 ms	16804 KB	Output is correct
3	Correct	24 ms	16804 KB	Output is correct
4	Correct	24 ms	16804 KB	Output is correct
5	Correct	60 ms	16804 KB	Output is correct
6	Correct	68 ms	16804 KB	Output is correct
7	Correct	64 ms	16804 KB	Output is correct
8	Correct	48 ms	16804 KB	Output is correct
9	Correct	64 ms	16804 KB	Output is correct
10	Correct	68 ms	16804 KB	Output is correct
11	Correct	88 ms	16804 KB	Output is correct
12	Correct	76 ms	16804 KB	Output is correct
13	Correct	80 ms	16804 KB	Output is correct
14	Correct	72 ms	16804 KB	Output is correct
15	Correct	56 ms	16804 KB	Output is correct
16	Correct	56 ms	16804 KB	Output is correct
17	Correct	56 ms	16804 KB	Output is correct
18	Correct	56 ms	16804 KB	Output is correct
19	Correct	52 ms	16804 KB	Output is correct
20	Correct	40 ms	16804 KB	Output is correct
21	Correct	28 ms	16804 KB	Output is correct
22	Correct	48 ms	16804 KB	Output is correct
23	Correct	48 ms	16804 KB	Output is correct
24	Correct	36 ms	16804 KB	Output is correct
25	Correct	60 ms	16804 KB	Output is correct

답안 #7056

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 5.0 / 5.0

Subtask #3 45.0 / 45.0

Subtask #4 45.0 / 45.0

Subtask #1
5.0 / 5.0

Subtask #2
5.0 / 5.0

Subtask #3
45.0 / 45.0

Subtask #4
45.0 / 45.0