#include <bits/stdc++.h>
using namespace std;
class negarr {
private:
int data[63750 * 2 + 1];
public:
negarr() { memset(data, 0, sizeof(data)); }
void reset() { fill(data, data + 63750 * 2 + 1, -1000000000); }
int &operator[](int i) { return data[i + 63750]; }
};
negarr a, knapsack;
int main() {
int m;
long long l;
cin >> m >> l;
if (l > 63750 || l < -63750) {
printf("impossible\n");
return 0;
}
knapsack.reset();
knapsack[0] = 0;
for (int i = -m; i <= m; i++) {
cin >> a[i];
for (int rep = 0; rep < a[i]; rep++) {
negarr tmp;
tmp.reset();
for (int id = -63750; id <= 63750; id++) {
if (-63750 <= id + i && id + i <= 63750)
tmp[id + i] = max(tmp[id + i], knapsack[id] + 1);
}
for (int id = -63750; id <= 63750; id++) {
knapsack[id] = max(knapsack[id], tmp[id]);
}
}
}
if (knapsack[l] >= 0)
printf("%d\n", knapsack[l]);
else
printf("impossible\n");
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
1748 KB |
Output is correct |
2 |
Correct |
3 ms |
1748 KB |
Output is correct |
3 |
Correct |
3 ms |
1748 KB |
Output is correct |
4 |
Correct |
22 ms |
1748 KB |
Output is correct |
5 |
Correct |
1 ms |
1748 KB |
Output is correct |
6 |
Correct |
859 ms |
1772 KB |
Output is correct |
7 |
Correct |
312 ms |
1768 KB |
Output is correct |
8 |
Correct |
765 ms |
1768 KB |
Output is correct |
9 |
Correct |
1472 ms |
1768 KB |
Output is correct |
10 |
Correct |
34 ms |
1788 KB |
Output is correct |
11 |
Correct |
25 ms |
1748 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
1748 KB |
Output is correct |
2 |
Correct |
3 ms |
1748 KB |
Output is correct |
3 |
Correct |
3 ms |
1748 KB |
Output is correct |
4 |
Correct |
22 ms |
1748 KB |
Output is correct |
5 |
Correct |
1 ms |
1748 KB |
Output is correct |
6 |
Correct |
859 ms |
1772 KB |
Output is correct |
7 |
Correct |
312 ms |
1768 KB |
Output is correct |
8 |
Correct |
765 ms |
1768 KB |
Output is correct |
9 |
Correct |
1472 ms |
1768 KB |
Output is correct |
10 |
Correct |
34 ms |
1788 KB |
Output is correct |
11 |
Correct |
25 ms |
1748 KB |
Output is correct |
12 |
Correct |
5 ms |
1748 KB |
Output is correct |
13 |
Correct |
4 ms |
1748 KB |
Output is correct |
14 |
Correct |
4 ms |
1788 KB |
Output is correct |
15 |
Correct |
23 ms |
1784 KB |
Output is correct |
16 |
Correct |
1 ms |
1748 KB |
Output is correct |
17 |
Correct |
860 ms |
1776 KB |
Output is correct |
18 |
Correct |
335 ms |
1768 KB |
Output is correct |
19 |
Correct |
822 ms |
1772 KB |
Output is correct |
20 |
Correct |
1533 ms |
1776 KB |
Output is correct |
21 |
Correct |
37 ms |
1768 KB |
Output is correct |
22 |
Correct |
27 ms |
1748 KB |
Output is correct |
23 |
Correct |
1 ms |
1748 KB |
Output is correct |
24 |
Incorrect |
3106 ms |
1772 KB |
Output isn't correct |
25 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
21 ms |
1748 KB |
Output is correct |
2 |
Incorrect |
1 ms |
1748 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
21 ms |
1748 KB |
Output is correct |
2 |
Incorrect |
1 ms |
1748 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
21 ms |
1748 KB |
Output is correct |
2 |
Incorrect |
1 ms |
1748 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
1748 KB |
Output is correct |
2 |
Correct |
3 ms |
1748 KB |
Output is correct |
3 |
Correct |
3 ms |
1748 KB |
Output is correct |
4 |
Correct |
22 ms |
1748 KB |
Output is correct |
5 |
Correct |
1 ms |
1748 KB |
Output is correct |
6 |
Correct |
859 ms |
1772 KB |
Output is correct |
7 |
Correct |
312 ms |
1768 KB |
Output is correct |
8 |
Correct |
765 ms |
1768 KB |
Output is correct |
9 |
Correct |
1472 ms |
1768 KB |
Output is correct |
10 |
Correct |
34 ms |
1788 KB |
Output is correct |
11 |
Correct |
25 ms |
1748 KB |
Output is correct |
12 |
Correct |
21 ms |
1748 KB |
Output is correct |
13 |
Incorrect |
1 ms |
1748 KB |
Output isn't correct |
14 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
21 ms |
1748 KB |
Output is correct |
2 |
Incorrect |
1 ms |
1748 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
1748 KB |
Output is correct |
2 |
Correct |
3 ms |
1748 KB |
Output is correct |
3 |
Correct |
3 ms |
1748 KB |
Output is correct |
4 |
Correct |
22 ms |
1748 KB |
Output is correct |
5 |
Correct |
1 ms |
1748 KB |
Output is correct |
6 |
Correct |
859 ms |
1772 KB |
Output is correct |
7 |
Correct |
312 ms |
1768 KB |
Output is correct |
8 |
Correct |
765 ms |
1768 KB |
Output is correct |
9 |
Correct |
1472 ms |
1768 KB |
Output is correct |
10 |
Correct |
34 ms |
1788 KB |
Output is correct |
11 |
Correct |
25 ms |
1748 KB |
Output is correct |
12 |
Correct |
5 ms |
1748 KB |
Output is correct |
13 |
Correct |
4 ms |
1748 KB |
Output is correct |
14 |
Correct |
4 ms |
1788 KB |
Output is correct |
15 |
Correct |
23 ms |
1784 KB |
Output is correct |
16 |
Correct |
1 ms |
1748 KB |
Output is correct |
17 |
Correct |
860 ms |
1776 KB |
Output is correct |
18 |
Correct |
335 ms |
1768 KB |
Output is correct |
19 |
Correct |
822 ms |
1772 KB |
Output is correct |
20 |
Correct |
1533 ms |
1776 KB |
Output is correct |
21 |
Correct |
37 ms |
1768 KB |
Output is correct |
22 |
Correct |
27 ms |
1748 KB |
Output is correct |
23 |
Correct |
1 ms |
1748 KB |
Output is correct |
24 |
Incorrect |
3106 ms |
1772 KB |
Output isn't correct |
25 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
21 ms |
1748 KB |
Output is correct |
2 |
Incorrect |
1 ms |
1748 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
1748 KB |
Output is correct |
2 |
Correct |
3 ms |
1748 KB |
Output is correct |
3 |
Correct |
3 ms |
1748 KB |
Output is correct |
4 |
Correct |
22 ms |
1748 KB |
Output is correct |
5 |
Correct |
1 ms |
1748 KB |
Output is correct |
6 |
Correct |
859 ms |
1772 KB |
Output is correct |
7 |
Correct |
312 ms |
1768 KB |
Output is correct |
8 |
Correct |
765 ms |
1768 KB |
Output is correct |
9 |
Correct |
1472 ms |
1768 KB |
Output is correct |
10 |
Correct |
34 ms |
1788 KB |
Output is correct |
11 |
Correct |
25 ms |
1748 KB |
Output is correct |
12 |
Correct |
5 ms |
1748 KB |
Output is correct |
13 |
Correct |
4 ms |
1748 KB |
Output is correct |
14 |
Correct |
4 ms |
1788 KB |
Output is correct |
15 |
Correct |
23 ms |
1784 KB |
Output is correct |
16 |
Correct |
1 ms |
1748 KB |
Output is correct |
17 |
Correct |
860 ms |
1776 KB |
Output is correct |
18 |
Correct |
335 ms |
1768 KB |
Output is correct |
19 |
Correct |
822 ms |
1772 KB |
Output is correct |
20 |
Correct |
1533 ms |
1776 KB |
Output is correct |
21 |
Correct |
37 ms |
1768 KB |
Output is correct |
22 |
Correct |
27 ms |
1748 KB |
Output is correct |
23 |
Correct |
1 ms |
1748 KB |
Output is correct |
24 |
Incorrect |
3106 ms |
1772 KB |
Output isn't correct |
25 |
Halted |
0 ms |
0 KB |
- |