#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
#define MAX 1010
#define MAXS 20
#define INF 1000000000
#define bb ' '
#define ln '\n'
#define Ln '\n'
#define MOD 1000000007
int A[MAX];
int B[MAX];
int dp[MAX][20010];
signed main() {
ios::sync_with_stdio(false), cin.tie(0);
int N, E;
cin >> N >> E;
int i, j;
int U = E - 1;
for (i = 2; i <= N; i++) {
cin >> A[i] >> B[i];
U = max(U, A[i] + B[i]);
}
fill(&dp[0][0], &dp[MAX - 1][MAX], -INF);
for (i = 0; i < E; i++) dp[1][i] = i;
for (i = 2; i <= N; i++) {
int mx = 0;
for (j = 0; j < A[i]; j++) mx = max(mx, dp[i - 1][j]);
for (j = 0; j < B[i]; j++) dp[i][j] = max(dp[i][j], mx + j);
for (j = A[i] + B[i]; j <= U; j++) dp[i][j] = max(dp[i][j], dp[i - 1][j]);
for (j = A[i]; j < A[i] + B[i]; j++) dp[i][j - A[i]] = max(dp[i][j - A[i]], dp[i - 1][j]);
for (j = 0; j < A[i]; j++) dp[i][B[i] + j] = max(dp[i][B[i] + j], dp[i - 1][j] + B[i]);
}
int mx = 0;
for (i = 0; i <= U; i++) mx = max(mx, dp[N][i]);
cout << mx;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
32 ms |
79316 KB |
Output is correct |
2 |
Correct |
34 ms |
79272 KB |
Output is correct |
3 |
Correct |
42 ms |
79320 KB |
Output is correct |
4 |
Correct |
42 ms |
79252 KB |
Output is correct |
5 |
Correct |
30 ms |
79260 KB |
Output is correct |
6 |
Correct |
36 ms |
79216 KB |
Output is correct |
7 |
Correct |
29 ms |
79228 KB |
Output is correct |
8 |
Correct |
31 ms |
79260 KB |
Output is correct |
9 |
Correct |
30 ms |
79268 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
29 ms |
79292 KB |
Output is correct |
2 |
Correct |
42 ms |
79280 KB |
Output is correct |
3 |
Correct |
29 ms |
79320 KB |
Output is correct |
4 |
Correct |
41 ms |
79272 KB |
Output is correct |
5 |
Correct |
32 ms |
79324 KB |
Output is correct |
6 |
Correct |
32 ms |
79320 KB |
Output is correct |
7 |
Correct |
32 ms |
79260 KB |
Output is correct |
8 |
Correct |
43 ms |
79308 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
32 ms |
79316 KB |
Output is correct |
2 |
Correct |
34 ms |
79272 KB |
Output is correct |
3 |
Correct |
42 ms |
79320 KB |
Output is correct |
4 |
Correct |
42 ms |
79252 KB |
Output is correct |
5 |
Correct |
30 ms |
79260 KB |
Output is correct |
6 |
Correct |
36 ms |
79216 KB |
Output is correct |
7 |
Correct |
29 ms |
79228 KB |
Output is correct |
8 |
Correct |
31 ms |
79260 KB |
Output is correct |
9 |
Correct |
30 ms |
79268 KB |
Output is correct |
10 |
Correct |
32 ms |
79316 KB |
Output is correct |
11 |
Correct |
32 ms |
79316 KB |
Output is correct |
12 |
Correct |
32 ms |
79316 KB |
Output is correct |
13 |
Correct |
32 ms |
79268 KB |
Output is correct |
14 |
Correct |
31 ms |
79304 KB |
Output is correct |
15 |
Correct |
30 ms |
79292 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
32 ms |
79316 KB |
Output is correct |
2 |
Correct |
34 ms |
79272 KB |
Output is correct |
3 |
Correct |
42 ms |
79320 KB |
Output is correct |
4 |
Correct |
42 ms |
79252 KB |
Output is correct |
5 |
Correct |
30 ms |
79260 KB |
Output is correct |
6 |
Correct |
36 ms |
79216 KB |
Output is correct |
7 |
Correct |
29 ms |
79228 KB |
Output is correct |
8 |
Correct |
31 ms |
79260 KB |
Output is correct |
9 |
Correct |
30 ms |
79268 KB |
Output is correct |
10 |
Correct |
29 ms |
79292 KB |
Output is correct |
11 |
Correct |
42 ms |
79280 KB |
Output is correct |
12 |
Correct |
29 ms |
79320 KB |
Output is correct |
13 |
Correct |
41 ms |
79272 KB |
Output is correct |
14 |
Correct |
32 ms |
79324 KB |
Output is correct |
15 |
Correct |
32 ms |
79320 KB |
Output is correct |
16 |
Correct |
32 ms |
79260 KB |
Output is correct |
17 |
Correct |
43 ms |
79308 KB |
Output is correct |
18 |
Correct |
32 ms |
79316 KB |
Output is correct |
19 |
Correct |
32 ms |
79316 KB |
Output is correct |
20 |
Correct |
32 ms |
79316 KB |
Output is correct |
21 |
Correct |
32 ms |
79268 KB |
Output is correct |
22 |
Correct |
31 ms |
79304 KB |
Output is correct |
23 |
Correct |
30 ms |
79292 KB |
Output is correct |
24 |
Correct |
30 ms |
79232 KB |
Output is correct |
25 |
Correct |
33 ms |
79304 KB |
Output is correct |
26 |
Correct |
35 ms |
79240 KB |
Output is correct |
27 |
Correct |
66 ms |
79348 KB |
Output is correct |
28 |
Correct |
60 ms |
79324 KB |
Output is correct |
29 |
Correct |
64 ms |
79356 KB |
Output is correct |
30 |
Correct |
55 ms |
79348 KB |
Output is correct |