#include <bits/stdc++.h>
#define int long long
#define bp __builtin_popcountll
#define pb push_back
#define in(s) freopen(s, "r", stdin);
#define out(s) freopen(s, "w", stdout);
#define inout(s, end1, end2) freopen((string(s) + "." + end1).c_str(), "r", stdin),\
freopen((string(s) + "." + end2).c_str(), "w", stdout);
#define fi first
#define se second
#define bw(i, r, l) for (int i = r - 1; i >= l; i--)
#define fw(i, l, r) for (int i = l; i < r; i++)
#define fa(i, x) for (auto i: x)
using namespace std;
const int mod = 1e9 + 7, inf = 1061109567;
const long long infll = 4485090715960753727;
const int N = 2005;
int n, dp[N][N];
struct Line {
int a, b;
bool operator<(const Line &rhs) const { return a > rhs.a; }
} l[N];
signed main() {
#ifdef BLU
in("blu.inp");
#endif
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin >> n;
fw (i, 0, n) cin >> l[i].a >> l[i].b;
sort(l, l + n);
//If we have the subset we want, sort the vertexes in decreasing max children.
memset(dp, -63, sizeof dp);
dp[0][1] = 0;
fw (i, 0, n) fw (j, 1, n + 1) if (dp[i][j] != -infll) {
//We can have j more children.
dp[i + 1][j] = max(dp[i + 1][j], dp[i][j]);
dp[i + 1][min(j - 1 + l[i].a, n)] = max(dp[i + 1][min(j - 1 + l[i].a, n)], dp[i][j] + l[i].b);
}
int ans = 0;
fw (i, 1, n + 1) fw (j, 0, n + 1) ans = max(ans, dp[i][j]);
cout << ans;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
28 ms |
31736 KB |
Output is correct |
| 2 |
Correct |
29 ms |
31736 KB |
Output is correct |
| 3 |
Correct |
28 ms |
31864 KB |
Output is correct |
| 4 |
Correct |
28 ms |
31736 KB |
Output is correct |
| 5 |
Correct |
28 ms |
31736 KB |
Output is correct |
| 6 |
Correct |
29 ms |
31864 KB |
Output is correct |
| 7 |
Correct |
28 ms |
31736 KB |
Output is correct |
| 8 |
Correct |
28 ms |
31864 KB |
Output is correct |
| 9 |
Correct |
29 ms |
31796 KB |
Output is correct |
| 10 |
Correct |
28 ms |
31736 KB |
Output is correct |
| 11 |
Correct |
29 ms |
31736 KB |
Output is correct |
| 12 |
Correct |
33 ms |
31864 KB |
Output is correct |
| 13 |
Correct |
29 ms |
31736 KB |
Output is correct |
| 14 |
Correct |
28 ms |
31864 KB |
Output is correct |
| 15 |
Correct |
35 ms |
31836 KB |
Output is correct |
| 16 |
Correct |
29 ms |
31864 KB |
Output is correct |
| 17 |
Correct |
29 ms |
31864 KB |
Output is correct |
| 18 |
Correct |
32 ms |
31864 KB |
Output is correct |
| 19 |
Correct |
29 ms |
31768 KB |
Output is correct |
| 20 |
Correct |
29 ms |
31864 KB |
Output is correct |
| 21 |
Correct |
29 ms |
31736 KB |
Output is correct |
| 22 |
Correct |
28 ms |
31736 KB |
Output is correct |
| 23 |
Correct |
28 ms |
31736 KB |
Output is correct |
| 24 |
Correct |
29 ms |
31864 KB |
Output is correct |
| 25 |
Correct |
28 ms |
31864 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
28 ms |
31740 KB |
Output is correct |
| 2 |
Correct |
28 ms |
31864 KB |
Output is correct |
| 3 |
Correct |
37 ms |
31864 KB |
Output is correct |
| 4 |
Correct |
29 ms |
31736 KB |
Output is correct |
| 5 |
Correct |
29 ms |
31864 KB |
Output is correct |
| 6 |
Correct |
29 ms |
31800 KB |
Output is correct |
| 7 |
Correct |
34 ms |
31864 KB |
Output is correct |
| 8 |
Correct |
32 ms |
31864 KB |
Output is correct |
| 9 |
Correct |
32 ms |
31736 KB |
Output is correct |
| 10 |
Correct |
38 ms |
31864 KB |
Output is correct |
| 11 |
Correct |
39 ms |
31864 KB |
Output is correct |
| 12 |
Correct |
41 ms |
31784 KB |
Output is correct |
| 13 |
Correct |
41 ms |
31992 KB |
Output is correct |
| 14 |
Correct |
41 ms |
31864 KB |
Output is correct |
| 15 |
Correct |
41 ms |
31864 KB |
Output is correct |
| 16 |
Correct |
41 ms |
31796 KB |
Output is correct |
| 17 |
Correct |
41 ms |
31864 KB |
Output is correct |
| 18 |
Correct |
41 ms |
31840 KB |
Output is correct |
| 19 |
Correct |
47 ms |
31864 KB |
Output is correct |
| 20 |
Correct |
48 ms |
31864 KB |
Output is correct |
| 21 |
Correct |
54 ms |
31864 KB |
Output is correct |
| 22 |
Correct |
43 ms |
31864 KB |
Output is correct |
| 23 |
Correct |
61 ms |
31864 KB |
Output is correct |
| 24 |
Correct |
45 ms |
31864 KB |
Output is correct |
| 25 |
Correct |
60 ms |
31864 KB |
Output is correct |
| 26 |
Correct |
57 ms |
31836 KB |
Output is correct |
| 27 |
Correct |
59 ms |
31864 KB |
Output is correct |
| 28 |
Correct |
55 ms |
31864 KB |
Output is correct |
| 29 |
Correct |
48 ms |
31864 KB |
Output is correct |
| 30 |
Correct |
45 ms |
31864 KB |
Output is correct |
| 31 |
Correct |
53 ms |
31864 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
29 ms |
31736 KB |
Output is correct |
| 2 |
Correct |
29 ms |
31828 KB |
Output is correct |
| 3 |
Correct |
29 ms |
31864 KB |
Output is correct |
| 4 |
Correct |
29 ms |
31864 KB |
Output is correct |
| 5 |
Correct |
29 ms |
31864 KB |
Output is correct |
| 6 |
Correct |
29 ms |
31868 KB |
Output is correct |
| 7 |
Correct |
29 ms |
31740 KB |
Output is correct |
| 8 |
Correct |
28 ms |
31864 KB |
Output is correct |
| 9 |
Correct |
32 ms |
31864 KB |
Output is correct |
| 10 |
Correct |
32 ms |
31864 KB |
Output is correct |
| 11 |
Correct |
32 ms |
31864 KB |
Output is correct |
| 12 |
Correct |
32 ms |
31864 KB |
Output is correct |
| 13 |
Correct |
32 ms |
31864 KB |
Output is correct |
| 14 |
Correct |
43 ms |
31836 KB |
Output is correct |
| 15 |
Correct |
38 ms |
31864 KB |
Output is correct |
| 16 |
Correct |
32 ms |
31864 KB |
Output is correct |
| 17 |
Correct |
42 ms |
31864 KB |
Output is correct |
| 18 |
Correct |
41 ms |
31864 KB |
Output is correct |
| 19 |
Correct |
41 ms |
31864 KB |
Output is correct |
| 20 |
Correct |
42 ms |
31864 KB |
Output is correct |
| 21 |
Correct |
42 ms |
31864 KB |
Output is correct |
| 22 |
Correct |
43 ms |
31800 KB |
Output is correct |
| 23 |
Correct |
41 ms |
31864 KB |
Output is correct |
| 24 |
Correct |
41 ms |
31864 KB |
Output is correct |
| 25 |
Correct |
41 ms |
31864 KB |
Output is correct |
| 26 |
Correct |
41 ms |
31864 KB |
Output is correct |
| 27 |
Correct |
41 ms |
31992 KB |
Output is correct |
| 28 |
Correct |
41 ms |
31892 KB |
Output is correct |
| 29 |
Correct |
43 ms |
31864 KB |
Output is correct |
| 30 |
Correct |
41 ms |
31868 KB |
Output is correct |
| 31 |
Correct |
41 ms |
31864 KB |
Output is correct |
| 32 |
Correct |
41 ms |
31864 KB |
Output is correct |
| 33 |
Correct |
40 ms |
31864 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
46 ms |
31864 KB |
Output is correct |
| 2 |
Correct |
46 ms |
31992 KB |
Output is correct |
| 3 |
Correct |
47 ms |
31864 KB |
Output is correct |
| 4 |
Correct |
44 ms |
31864 KB |
Output is correct |
| 5 |
Correct |
54 ms |
31864 KB |
Output is correct |
| 6 |
Correct |
56 ms |
31864 KB |
Output is correct |
| 7 |
Correct |
54 ms |
31868 KB |
Output is correct |
| 8 |
Correct |
54 ms |
31880 KB |
Output is correct |
| 9 |
Correct |
53 ms |
31876 KB |
Output is correct |
| 10 |
Correct |
54 ms |
31868 KB |
Output is correct |
| 11 |
Correct |
52 ms |
31864 KB |
Output is correct |
| 12 |
Correct |
53 ms |
31792 KB |
Output is correct |
| 13 |
Correct |
52 ms |
31864 KB |
Output is correct |
| 14 |
Correct |
51 ms |
31864 KB |
Output is correct |
| 15 |
Correct |
53 ms |
31792 KB |
Output is correct |
| 16 |
Correct |
53 ms |
31896 KB |
Output is correct |
| 17 |
Correct |
56 ms |
31992 KB |
Output is correct |
| 18 |
Correct |
54 ms |
31836 KB |
Output is correct |
| 19 |
Correct |
45 ms |
31928 KB |
Output is correct |
| 20 |
Correct |
45 ms |
31904 KB |
Output is correct |
| 21 |
Correct |
45 ms |
31836 KB |
Output is correct |
| 22 |
Correct |
45 ms |
31864 KB |
Output is correct |
| 23 |
Correct |
45 ms |
31864 KB |
Output is correct |
| 24 |
Correct |
44 ms |
31868 KB |
Output is correct |
| 25 |
Correct |
47 ms |
31864 KB |
Output is correct |
