#include <bits/stdc++.h>
#define maxn 2005
#define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
#define inf 1e15
using namespace std;
typedef long long ll;
ll niz[maxn];
ll dp[maxn][maxn];
int n;
ll pref[maxn];
ll a,b;
ll mini;
bool bio[maxn][maxn];
ll resi(int x, int y){
if(y == 0){
if(x == 0)return 0;
else return inf;
}
if(y > x)return inf;
if(bio[x][y])return dp[x][y];
bio[x][y] = 1;
dp[x][y] = inf;
for(int i=0; i<=x - 1; i++){
dp[x][y] = min(dp[x][y], resi(i,y - 1) | (pref[x] - pref[i]));
}
return dp[x][y];
}
int main()
{
ios_base::sync_with_stdio(false);
cin >> n >> a >> b;
for(int i=1; i<=n; i++)cin >> niz[i];
pref[0] = 0;
for(int i=1; i<=n; i++)pref[i] = pref[i - 1] + niz[i];
mini = resi(n,a);
for(int i=a; i<=b; i++)mini = min(mini, resi(n,i));
cout << mini << endl;
return 0;
//if(1){
for(int i=1;i <=n; i++){
dp[0][i] = inf;
}
for(int i=1; i<=n; i++){
dp[i][0] = inf;
}
dp[0][0] = 0;
for(int i=1; i<=n; i++){
for(int j=1; j<=b; j++){
dp[i][j] = inf;
if(j > i)continue;
for(int k=0; k<=i - 1; k++){
dp[i][j] = min((dp[k][j - 1] | (pref[i] - pref[k])), dp[i][j]);
}
}
}
for(int i=a; i<=b; i++)mini = min(mini, dp[n][i]);
cout << mini << endl;
return 0;
//}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Incorrect |
2 ms |
380 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
380 KB |
Output is correct |
2 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |