#include<iostream>
using namespace std;
const int N=2e3+4;
bool dp[N][N];
int sum[N][N],ar[N];
pair<int,int> range[N];
long long sum1[N];
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
int n,i,j,k,a,b;
long long temp=0,l;
cin>>n>>a>>b;
for(i=1;i<=n;i++){
cin>>ar[i];
sum1[i]=sum1[i-1]+ar[i];
}
dp[0][0]=true;
for(i=0;i<=b;i++){
sum[0][i]=1;
}
for(i=43;i>=0;i--){
l=(1ll<<i);
for(j=1;j<=n;j++){
range[j].first=N-2;
range[j].second=0;
for(k=0;k<j;k++){
if(((sum1[j]-sum1[k])|temp)-temp<l){
range[i].first=min(range[i].first,k);
range[i].second=max(range[i].second,k);
}
}
}
for(j=1;j<=n;j++){
for(k=1;k<=min(j,b);k++){
if(range[j].second>=range[j].first){
l=sum[range[j].second][k-1];
if(range[j].first){
l-=sum[range[j].first-1][k-1];
}
if(l){
dp[j][k]=true;
}
else{
dp[j][k]=false;
}
}
else{
dp[j][k]=false;
}
sum[j][k]=sum[j-1][k]+dp[j][k];
//cout<<j<<" "<<k<<' '<<dp[j][k]<<endl;
if(j==n){
if(k>=a&&dp[j][k]){
break;
}
if(k==b){
temp|=(1ll<<i);
}
}
}
}
}
cout<<temp;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
16 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |