#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int maxn = 2000 + 10;
const ll inf = 1e18;
bool g[maxn][maxn], cp[maxn][maxn];
ll a[maxn], dp[110][110];
int pd[maxn];
int shortest_path(int n, int A, int B){
if (A == 1){
for (int i = 1; i <= n; i++)
pd[i] = n + 1;
pd[0] = 0;
for (int i = 1; i <= n; i++)
for (int j = 0; j < i; j++)
if (g[j][i])
pd[i] = min(pd[i], pd[j] + 1);
return pd[n] <= B;
}
memset(dp, 0, sizeof dp);
dp[0][0] = 1;
for (int i = 1; i <= n; i++)
for (int j = 1; j <= B; j++)
for (int k = i - 1; k >= 0; k--)
if (g[k][i])
dp[i][j] |= dp[k][j - 1];
int ret = 0;
for (int i = A; i <= B; i++)
ret |= dp[n][i];
return ret;
}
int main(){
ios_base::sync_with_stdio(false);
int n, A, B;
cin >> n >> A >> B;
for (int i = 1; i <= n; i++){
cin >> a[i];
a[i] += a[i - 1];
}
for (int i = 0; i <= n; i++)
for (int j = i + 1; j <= n; j++)
g[i][j] = 1;
ll untilnow = 0;
for (int i = 60; i >= 0; i--){
for (int j = 0; j <= n; j++)
for (int k = 0; k <= n; k++)
cp[j][k] = g[j][k];
for (int j = 0; j <= n; j++)
for (int k = j + 1; k <= n; k++)
if ((a[k] - a[j]) & (1ll << i))
g[j][k] = 0;
if (!shortest_path(n, A, B)){
untilnow += (1ll << i);
for (int j = 0; j <= n; j++)
for (int k = 0; k <= n; k++)
g[j][k] = cp[j][k];
}
}
cout << untilnow << endl;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
3 ms |
384 KB |
Output is correct |
| 4 |
Correct |
3 ms |
384 KB |
Output is correct |
| 5 |
Correct |
2 ms |
384 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
3 ms |
384 KB |
Output is correct |
| 8 |
Correct |
2 ms |
512 KB |
Output is correct |
| 9 |
Correct |
2 ms |
512 KB |
Output is correct |
| 10 |
Correct |
3 ms |
512 KB |
Output is correct |
| 11 |
Correct |
2 ms |
512 KB |
Output is correct |
| 12 |
Correct |
2 ms |
512 KB |
Output is correct |
| 13 |
Correct |
3 ms |
512 KB |
Output is correct |
| 14 |
Correct |
2 ms |
512 KB |
Output is correct |
| 15 |
Correct |
2 ms |
512 KB |
Output is correct |
| 16 |
Correct |
3 ms |
512 KB |
Output is correct |
| 17 |
Correct |
3 ms |
512 KB |
Output is correct |
| 18 |
Correct |
3 ms |
512 KB |
Output is correct |
| 19 |
Correct |
3 ms |
512 KB |
Output is correct |
| 20 |
Correct |
3 ms |
640 KB |
Output is correct |
| 21 |
Correct |
3 ms |
512 KB |
Output is correct |
| 22 |
Correct |
3 ms |
512 KB |
Output is correct |
| 23 |
Correct |
3 ms |
512 KB |
Output is correct |
| 24 |
Correct |
3 ms |
512 KB |
Output is correct |
| 25 |
Correct |
3 ms |
512 KB |
Output is correct |
| 26 |
Correct |
3 ms |
512 KB |
Output is correct |
| 27 |
Correct |
2 ms |
384 KB |
Output is correct |
| 28 |
Correct |
3 ms |
384 KB |
Output is correct |
| 29 |
Correct |
2 ms |
384 KB |
Output is correct |
| 30 |
Correct |
2 ms |
384 KB |
Output is correct |
| 31 |
Correct |
3 ms |
384 KB |
Output is correct |
| 32 |
Correct |
3 ms |
512 KB |
Output is correct |
| 33 |
Correct |
2 ms |
512 KB |
Output is correct |
| 34 |
Correct |
2 ms |
384 KB |
Output is correct |
| 35 |
Correct |
13 ms |
384 KB |
Output is correct |
| 36 |
Correct |
3 ms |
512 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
3 ms |
384 KB |
Output is correct |
| 3 |
Correct |
3 ms |
384 KB |
Output is correct |
| 4 |
Correct |
3 ms |
384 KB |
Output is correct |
| 5 |
Correct |
2 ms |
384 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
3 ms |
384 KB |
Output is correct |
| 8 |
Correct |
2 ms |
384 KB |
Output is correct |
| 9 |
Correct |
3 ms |
512 KB |
Output is correct |
| 10 |
Correct |
2 ms |
512 KB |
Output is correct |
| 11 |
Correct |
2 ms |
512 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
2 ms |
512 KB |
Output is correct |
| 14 |
Correct |
3 ms |
512 KB |
Output is correct |
| 15 |
Correct |
3 ms |
512 KB |
Output is correct |
| 16 |
Correct |
3 ms |
512 KB |
Output is correct |
| 17 |
Correct |
3 ms |
512 KB |
Output is correct |
| 18 |
Correct |
2 ms |
540 KB |
Output is correct |
| 19 |
Correct |
3 ms |
512 KB |
Output is correct |
| 20 |
Correct |
3 ms |
512 KB |
Output is correct |
| 21 |
Correct |
3 ms |
512 KB |
Output is correct |
| 22 |
Correct |
3 ms |
512 KB |
Output is correct |
| 23 |
Correct |
3 ms |
640 KB |
Output is correct |
| 24 |
Correct |
3 ms |
640 KB |
Output is correct |
| 25 |
Correct |
3 ms |
512 KB |
Output is correct |
| 26 |
Correct |
3 ms |
512 KB |
Output is correct |
| 27 |
Correct |
3 ms |
512 KB |
Output is correct |
| 28 |
Correct |
3 ms |
512 KB |
Output is correct |
| 29 |
Correct |
3 ms |
512 KB |
Output is correct |
| 30 |
Correct |
3 ms |
512 KB |
Output is correct |
| 31 |
Correct |
3 ms |
640 KB |
Output is correct |
| 32 |
Correct |
3 ms |
512 KB |
Output is correct |
| 33 |
Correct |
3 ms |
512 KB |
Output is correct |
| 34 |
Correct |
3 ms |
512 KB |
Output is correct |
| 35 |
Correct |
4 ms |
512 KB |
Output is correct |
| 36 |
Correct |
3 ms |
512 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
3 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
3 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
2 ms |
384 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
2 ms |
428 KB |
Output is correct |
| 8 |
Correct |
2 ms |
512 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
2 ms |
512 KB |
Output is correct |
| 11 |
Correct |
2 ms |
512 KB |
Output is correct |
| 12 |
Correct |
2 ms |
512 KB |
Output is correct |
| 13 |
Correct |
3 ms |
512 KB |
Output is correct |
| 14 |
Correct |
3 ms |
512 KB |
Output is correct |
| 15 |
Correct |
3 ms |
512 KB |
Output is correct |
| 16 |
Correct |
3 ms |
512 KB |
Output is correct |
| 17 |
Correct |
0 ms |
512 KB |
Output is correct |
| 18 |
Correct |
3 ms |
512 KB |
Output is correct |
| 19 |
Correct |
3 ms |
512 KB |
Output is correct |
| 20 |
Correct |
2 ms |
512 KB |
Output is correct |
| 21 |
Correct |
3 ms |
640 KB |
Output is correct |
| 22 |
Correct |
3 ms |
512 KB |
Output is correct |
| 23 |
Correct |
2 ms |
512 KB |
Output is correct |
| 24 |
Correct |
3 ms |
512 KB |
Output is correct |
| 25 |
Correct |
4 ms |
640 KB |
Output is correct |
| 26 |
Correct |
3 ms |
640 KB |
Output is correct |
| 27 |
Correct |
4 ms |
640 KB |
Output is correct |
| 28 |
Correct |
5 ms |
768 KB |
Output is correct |
| 29 |
Correct |
4 ms |
768 KB |
Output is correct |
| 30 |
Correct |
4 ms |
768 KB |
Output is correct |
| 31 |
Correct |
5 ms |
768 KB |
Output is correct |
| 32 |
Correct |
4 ms |
768 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
2 ms |
412 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
2 ms |
384 KB |
Output is correct |
| 8 |
Correct |
2 ms |
512 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
9 ms |
384 KB |
Output is correct |
| 11 |
Correct |
2 ms |
384 KB |
Output is correct |
| 12 |
Correct |
2 ms |
512 KB |
Output is correct |
| 13 |
Correct |
3 ms |
512 KB |
Output is correct |
| 14 |
Correct |
3 ms |
512 KB |
Output is correct |
| 15 |
Correct |
3 ms |
512 KB |
Output is correct |
| 16 |
Correct |
2 ms |
512 KB |
Output is correct |
| 17 |
Correct |
3 ms |
512 KB |
Output is correct |
| 18 |
Correct |
2 ms |
512 KB |
Output is correct |
| 19 |
Correct |
3 ms |
512 KB |
Output is correct |
| 20 |
Correct |
3 ms |
512 KB |
Output is correct |
| 21 |
Correct |
3 ms |
512 KB |
Output is correct |
| 22 |
Correct |
3 ms |
512 KB |
Output is correct |
| 23 |
Correct |
3 ms |
512 KB |
Output is correct |
| 24 |
Correct |
3 ms |
512 KB |
Output is correct |
| 25 |
Correct |
3 ms |
512 KB |
Output is correct |
| 26 |
Correct |
3 ms |
512 KB |
Output is correct |
| 27 |
Correct |
3 ms |
384 KB |
Output is correct |
| 28 |
Correct |
2 ms |
384 KB |
Output is correct |
| 29 |
Correct |
2 ms |
384 KB |
Output is correct |
| 30 |
Correct |
3 ms |
512 KB |
Output is correct |
| 31 |
Correct |
3 ms |
512 KB |
Output is correct |
| 32 |
Correct |
2 ms |
384 KB |
Output is correct |
| 33 |
Correct |
2 ms |
512 KB |
Output is correct |
| 34 |
Correct |
3 ms |
512 KB |
Output is correct |
| 35 |
Correct |
3 ms |
384 KB |
Output is correct |
| 36 |
Correct |
3 ms |
512 KB |
Output is correct |
| 37 |
Correct |
2 ms |
512 KB |
Output is correct |
| 38 |
Correct |
3 ms |
512 KB |
Output is correct |
| 39 |
Correct |
2 ms |
512 KB |
Output is correct |
| 40 |
Correct |
3 ms |
512 KB |
Output is correct |
| 41 |
Correct |
3 ms |
512 KB |
Output is correct |
| 42 |
Correct |
3 ms |
512 KB |
Output is correct |
| 43 |
Correct |
3 ms |
640 KB |
Output is correct |
| 44 |
Correct |
3 ms |
512 KB |
Output is correct |
| 45 |
Correct |
3 ms |
512 KB |
Output is correct |
| 46 |
Correct |
3 ms |
512 KB |
Output is correct |
| 47 |
Correct |
3 ms |
512 KB |
Output is correct |
| 48 |
Correct |
3 ms |
640 KB |
Output is correct |
| 49 |
Correct |
3 ms |
640 KB |
Output is correct |
| 50 |
Correct |
4 ms |
640 KB |
Output is correct |
| 51 |
Correct |
5 ms |
768 KB |
Output is correct |
| 52 |
Correct |
4 ms |
768 KB |
Output is correct |
| 53 |
Correct |
4 ms |
768 KB |
Output is correct |
| 54 |
Correct |
4 ms |
768 KB |
Output is correct |
| 55 |
Correct |
5 ms |
768 KB |
Output is correct |
| 56 |
Correct |
3 ms |
512 KB |
Output is correct |
| 57 |
Correct |
5 ms |
640 KB |
Output is correct |
| 58 |
Correct |
4 ms |
640 KB |
Output is correct |
| 59 |
Correct |
4 ms |
896 KB |
Output is correct |
| 60 |
Correct |
4 ms |
768 KB |
Output is correct |
| 61 |
Correct |
4 ms |
768 KB |
Output is correct |
| 62 |
Correct |
4 ms |
768 KB |
Output is correct |
| 63 |
Correct |
4 ms |
896 KB |
Output is correct |
| 64 |
Correct |
49 ms |
768 KB |
Output is correct |
| 65 |
Correct |
5 ms |
640 KB |
Output is correct |
| 66 |
Correct |
6 ms |
768 KB |
Output is correct |
| 67 |
Correct |
11 ms |
768 KB |
Output is correct |
| 68 |
Correct |
25 ms |
768 KB |
Output is correct |
| 69 |
Correct |
47 ms |
896 KB |
Output is correct |
| 70 |
Correct |
46 ms |
1016 KB |
Output is correct |
| 71 |
Correct |
4 ms |
896 KB |
Output is correct |
| 72 |
Correct |
48 ms |
896 KB |
Output is correct |
| 73 |
Correct |
36 ms |
896 KB |
Output is correct |
| 74 |
Correct |
34 ms |
768 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
2 ms |
384 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
3 ms |
384 KB |
Output is correct |
| 8 |
Correct |
2 ms |
512 KB |
Output is correct |
| 9 |
Correct |
3 ms |
512 KB |
Output is correct |
| 10 |
Correct |
2 ms |
384 KB |
Output is correct |
| 11 |
Correct |
2 ms |
512 KB |
Output is correct |
| 12 |
Correct |
2 ms |
512 KB |
Output is correct |
| 13 |
Correct |
3 ms |
512 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
3 ms |
384 KB |
Output is correct |
| 16 |
Correct |
2 ms |
384 KB |
Output is correct |
| 17 |
Correct |
3 ms |
512 KB |
Output is correct |
| 18 |
Correct |
2 ms |
512 KB |
Output is correct |
| 19 |
Correct |
3 ms |
512 KB |
Output is correct |
| 20 |
Correct |
2 ms |
512 KB |
Output is correct |
| 21 |
Correct |
2 ms |
512 KB |
Output is correct |
| 22 |
Correct |
3 ms |
384 KB |
Output is correct |
| 23 |
Correct |
3 ms |
384 KB |
Output is correct |
| 24 |
Correct |
2 ms |
384 KB |
Output is correct |
| 25 |
Correct |
2 ms |
512 KB |
Output is correct |
| 26 |
Correct |
2 ms |
512 KB |
Output is correct |
| 27 |
Correct |
2 ms |
512 KB |
Output is correct |
| 28 |
Correct |
3 ms |
512 KB |
Output is correct |
| 29 |
Correct |
3 ms |
512 KB |
Output is correct |
| 30 |
Correct |
3 ms |
512 KB |
Output is correct |
| 31 |
Correct |
3 ms |
640 KB |
Output is correct |
| 32 |
Correct |
3 ms |
512 KB |
Output is correct |
| 33 |
Correct |
3 ms |
512 KB |
Output is correct |
| 34 |
Correct |
3 ms |
512 KB |
Output is correct |
| 35 |
Correct |
4 ms |
640 KB |
Output is correct |
| 36 |
Correct |
4 ms |
640 KB |
Output is correct |
| 37 |
Correct |
3 ms |
768 KB |
Output is correct |
| 38 |
Correct |
4 ms |
768 KB |
Output is correct |
| 39 |
Correct |
4 ms |
768 KB |
Output is correct |
| 40 |
Correct |
5 ms |
896 KB |
Output is correct |
| 41 |
Correct |
4 ms |
768 KB |
Output is correct |
| 42 |
Correct |
4 ms |
768 KB |
Output is correct |
| 43 |
Correct |
3 ms |
512 KB |
Output is correct |
| 44 |
Correct |
3 ms |
640 KB |
Output is correct |
| 45 |
Correct |
3 ms |
640 KB |
Output is correct |
| 46 |
Correct |
4 ms |
768 KB |
Output is correct |
| 47 |
Correct |
4 ms |
768 KB |
Output is correct |
| 48 |
Correct |
5 ms |
768 KB |
Output is correct |
| 49 |
Correct |
5 ms |
768 KB |
Output is correct |
| 50 |
Correct |
4 ms |
768 KB |
Output is correct |
| 51 |
Correct |
5 ms |
768 KB |
Output is correct |
| 52 |
Correct |
61 ms |
2560 KB |
Output is correct |
| 53 |
Correct |
97 ms |
3328 KB |
Output is correct |
| 54 |
Correct |
201 ms |
4380 KB |
Output is correct |
| 55 |
Correct |
188 ms |
4384 KB |
Output is correct |
| 56 |
Correct |
903 ms |
8400 KB |
Output is correct |
| 57 |
Execution timed out |
1002 ms |
8312 KB |
Time limit exceeded |
| 58 |
Halted |
0 ms |
0 KB |
- |
