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Submission #7056

# Submission time Handle Problem Language Result Execution time Memory
7056 2014-07-20T10:35:20 Z gs14004 스트랩 (JOI14_straps) C++
100 / 100
 88 ms 16804 KB 
#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

# Verdict Execution time Memory 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 0 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 0 ms 16804 KB Output is correct
13 Correct 0 ms 16804 KB Output is correct
14 Correct 0 ms 16804 KB Output is correct
15 Correct 0 ms 16804 KB Output is correct
16 Correct 0 ms 16804 KB Output is correct
17 Correct 0 ms 16804 KB Output is correct
18 Correct 0 ms 16804 KB Output is correct
19 Correct 0 ms 16804 KB Output is correct
20 Correct 0 ms 16804 KB Output is correct
21 Correct 0 ms 16804 KB Output is correct
22 Correct 0 ms 16804 KB Output is correct
23 Correct 0 ms 16804 KB Output is correct
24 Correct 0 ms 16804 KB Output is correct
25 Correct 0 ms 16804 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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