#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
ios::sync_with_stdio(0), cin.tie(0);
int m;
ll L, all = 0;
cin >> m >> L;
vector<ll> a(m + 1);
for (int i = -m; i <= m; i++) {
if (i < 0) cin >> *new ll;
else cin >> a[i], all += i * a[i];
}
if (all < L) cout << "impossible\n", exit(0);
ll lim = 30000, ans = a[0];
for (int i = 1; i <= m; i++) {
ll t = max(0LL, min(a[i], (L - lim) / i));
ans += t, L -= i * t, a[i] -= t;
}
vector<int> f(L + 1, -1e9);
f[0] = 0;
for (int i = 1; i <= m; i++) {
vector<int> g(L + 1, -1e9);
for (int j = 0; j <= L; j++) if (f[j] >= 0) {
for (int k = 0; k <= a[i] && j + i * k <= L; k++) {
g[j + i * k] = max(g[j + i * k], f[j] + k);
}
}
swap(f, g);
}
if (f[L] < 0) cout << "impossible\n";
else cout << ans + f[L] << "\n";
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
3 ms |
468 KB |
Output is correct |
3 |
Correct |
2 ms |
468 KB |
Output is correct |
4 |
Correct |
172 ms |
468 KB |
Output is correct |
5 |
Correct |
38 ms |
544 KB |
Output is correct |
6 |
Correct |
482 ms |
528 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
7 ms |
468 KB |
Output is correct |
10 |
Correct |
2 ms |
440 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
3 ms |
468 KB |
Output is correct |
3 |
Correct |
2 ms |
468 KB |
Output is correct |
4 |
Correct |
172 ms |
468 KB |
Output is correct |
5 |
Correct |
38 ms |
544 KB |
Output is correct |
6 |
Correct |
482 ms |
528 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
7 ms |
468 KB |
Output is correct |
10 |
Correct |
2 ms |
440 KB |
Output is correct |
11 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
3 ms |
468 KB |
Output is correct |
3 |
Correct |
2 ms |
468 KB |
Output is correct |
4 |
Correct |
172 ms |
468 KB |
Output is correct |
5 |
Correct |
38 ms |
544 KB |
Output is correct |
6 |
Correct |
482 ms |
528 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
7 ms |
468 KB |
Output is correct |
10 |
Correct |
2 ms |
440 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
5 ms |
468 KB |
Output is correct |
13 |
Correct |
1 ms |
468 KB |
Output is correct |
14 |
Correct |
170 ms |
468 KB |
Output is correct |
15 |
Correct |
31 ms |
468 KB |
Output is correct |
16 |
Correct |
511 ms |
528 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
7 ms |
468 KB |
Output is correct |
20 |
Correct |
3 ms |
468 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
2 ms |
468 KB |
Output is correct |
24 |
Correct |
2 ms |
468 KB |
Output is correct |
25 |
Correct |
4 ms |
468 KB |
Output is correct |
26 |
Correct |
248 ms |
468 KB |
Output is correct |
27 |
Correct |
646 ms |
532 KB |
Output is correct |
28 |
Correct |
23 ms |
468 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
3 ms |
468 KB |
Output is correct |
3 |
Correct |
2 ms |
468 KB |
Output is correct |
4 |
Correct |
172 ms |
468 KB |
Output is correct |
5 |
Correct |
38 ms |
544 KB |
Output is correct |
6 |
Correct |
482 ms |
528 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
7 ms |
468 KB |
Output is correct |
10 |
Correct |
2 ms |
440 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
5 ms |
468 KB |
Output is correct |
13 |
Correct |
1 ms |
468 KB |
Output is correct |
14 |
Correct |
170 ms |
468 KB |
Output is correct |
15 |
Correct |
31 ms |
468 KB |
Output is correct |
16 |
Correct |
511 ms |
528 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
7 ms |
468 KB |
Output is correct |
20 |
Correct |
3 ms |
468 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
2 ms |
468 KB |
Output is correct |
24 |
Correct |
2 ms |
468 KB |
Output is correct |
25 |
Correct |
4 ms |
468 KB |
Output is correct |
26 |
Correct |
248 ms |
468 KB |
Output is correct |
27 |
Correct |
646 ms |
532 KB |
Output is correct |
28 |
Correct |
23 ms |
468 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
3 ms |
468 KB |
Output is correct |
31 |
Correct |
1 ms |
468 KB |
Output is correct |
32 |
Correct |
174 ms |
532 KB |
Output is correct |
33 |
Correct |
30 ms |
468 KB |
Output is correct |
34 |
Correct |
491 ms |
532 KB |
Output is correct |
35 |
Correct |
0 ms |
212 KB |
Output is correct |
36 |
Correct |
0 ms |
212 KB |
Output is correct |
37 |
Correct |
6 ms |
468 KB |
Output is correct |
38 |
Correct |
2 ms |
468 KB |
Output is correct |
39 |
Correct |
1 ms |
212 KB |
Output is correct |
40 |
Correct |
0 ms |
212 KB |
Output is correct |
41 |
Correct |
2 ms |
468 KB |
Output is correct |
42 |
Correct |
1 ms |
468 KB |
Output is correct |
43 |
Correct |
2 ms |
468 KB |
Output is correct |
44 |
Correct |
245 ms |
468 KB |
Output is correct |
45 |
Correct |
665 ms |
528 KB |
Output is correct |
46 |
Correct |
22 ms |
468 KB |
Output is correct |
47 |
Correct |
1 ms |
340 KB |
Output is correct |
48 |
Correct |
1 ms |
340 KB |
Output is correct |
49 |
Incorrect |
3 ms |
468 KB |
Output isn't correct |
50 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
3 ms |
468 KB |
Output is correct |
3 |
Correct |
2 ms |
468 KB |
Output is correct |
4 |
Correct |
172 ms |
468 KB |
Output is correct |
5 |
Correct |
38 ms |
544 KB |
Output is correct |
6 |
Correct |
482 ms |
528 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
7 ms |
468 KB |
Output is correct |
10 |
Correct |
2 ms |
440 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
5 ms |
468 KB |
Output is correct |
13 |
Correct |
1 ms |
468 KB |
Output is correct |
14 |
Correct |
170 ms |
468 KB |
Output is correct |
15 |
Correct |
31 ms |
468 KB |
Output is correct |
16 |
Correct |
511 ms |
528 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
7 ms |
468 KB |
Output is correct |
20 |
Correct |
3 ms |
468 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
2 ms |
468 KB |
Output is correct |
24 |
Correct |
2 ms |
468 KB |
Output is correct |
25 |
Correct |
4 ms |
468 KB |
Output is correct |
26 |
Correct |
248 ms |
468 KB |
Output is correct |
27 |
Correct |
646 ms |
532 KB |
Output is correct |
28 |
Correct |
23 ms |
468 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
3 ms |
468 KB |
Output is correct |
31 |
Correct |
1 ms |
468 KB |
Output is correct |
32 |
Correct |
174 ms |
532 KB |
Output is correct |
33 |
Correct |
30 ms |
468 KB |
Output is correct |
34 |
Correct |
491 ms |
532 KB |
Output is correct |
35 |
Correct |
0 ms |
212 KB |
Output is correct |
36 |
Correct |
0 ms |
212 KB |
Output is correct |
37 |
Correct |
6 ms |
468 KB |
Output is correct |
38 |
Correct |
2 ms |
468 KB |
Output is correct |
39 |
Correct |
1 ms |
212 KB |
Output is correct |
40 |
Correct |
0 ms |
212 KB |
Output is correct |
41 |
Correct |
2 ms |
468 KB |
Output is correct |
42 |
Correct |
1 ms |
468 KB |
Output is correct |
43 |
Correct |
2 ms |
468 KB |
Output is correct |
44 |
Correct |
245 ms |
468 KB |
Output is correct |
45 |
Correct |
665 ms |
528 KB |
Output is correct |
46 |
Correct |
22 ms |
468 KB |
Output is correct |
47 |
Correct |
1 ms |
340 KB |
Output is correct |
48 |
Correct |
1 ms |
340 KB |
Output is correct |
49 |
Incorrect |
3 ms |
468 KB |
Output isn't correct |
50 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |