#include <bits/stdc++.h>
using namespace std;
#define MAXN 2003
typedef long long lld;
int N, A, B;
int X[MAXN], D[MAXN], E[MAXN];
lld S[MAXN];
bool w[MAXN][MAXN];
int main()
{
scanf("%d%d%d", &N, &A, &B);
for (int i=1;i<=N;i++) scanf("%d", X+i), S[i] = S[i-1] + X[i];
lld msk = 0;
for (int b=40;b>=0;b--){
for (int i=0;i<N;i++) for (int j=i+1;j<=N;j++){
w[i][j] = (((S[j]-S[i]) >> b) | msk) == msk;
}
D[0] = E[0] = 0;
for (int i=1;i<=N;i++){
D[i] = 2e9; E[i] = -2e9;
for (int j=0;j<i;j++) if (w[j][i]){
if (D[j] >= 0) D[i] = min(D[i], D[j]+1);
if (E[j] < 2e9) E[i] = max(E[i], E[j]+1);
}
}
if (D[N] <= B || E[N] >= A);
else msk++;
if (b) msk <<= 1;
}
printf("%lld\n", msk);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
5680 KB |
Output is correct |
2 |
Correct |
0 ms |
5680 KB |
Output is correct |
3 |
Correct |
0 ms |
5680 KB |
Output is correct |
4 |
Correct |
0 ms |
5680 KB |
Output is correct |
5 |
Incorrect |
0 ms |
5680 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
5680 KB |
Output is correct |
2 |
Correct |
0 ms |
5680 KB |
Output is correct |
3 |
Correct |
0 ms |
5680 KB |
Output is correct |
4 |
Correct |
0 ms |
5680 KB |
Output is correct |
5 |
Incorrect |
0 ms |
5680 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
5680 KB |
Output is correct |
2 |
Correct |
0 ms |
5680 KB |
Output is correct |
3 |
Correct |
0 ms |
5680 KB |
Output is correct |
4 |
Correct |
0 ms |
5680 KB |
Output is correct |
5 |
Incorrect |
0 ms |
5680 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
5680 KB |
Output is correct |
2 |
Correct |
0 ms |
5680 KB |
Output is correct |
3 |
Correct |
0 ms |
5680 KB |
Output is correct |
4 |
Correct |
0 ms |
5680 KB |
Output is correct |
5 |
Incorrect |
0 ms |
5680 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
5680 KB |
Output is correct |
2 |
Correct |
0 ms |
5680 KB |
Output is correct |
3 |
Correct |
0 ms |
5680 KB |
Output is correct |
4 |
Correct |
0 ms |
5680 KB |
Output is correct |
5 |
Incorrect |
0 ms |
5680 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |