#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
const int N=100+5;
int n,a,b;
ll p[N];
ll ask(int st,int dr)
{
return p[dr]-p[st-1];
}
bool valid[N][N];
ll dp[N][N];
void b100()
{
for(int i=1;i<=n;i++)
{
valid[i][1]=1;
dp[i][1]=ask(1,i);
for(int j=2;j<=i;j++)
{
for(int ant=1;ant<i;ant++)
{
if(valid[ant][j-1])
{
ll val=(dp[ant][j-1]|ask(ant+1,i));
if(valid[i][j]==0)
{
valid[i][j]=1;
dp[i][j]=val;
}
else
{
dp[i][j]=min(dp[i][j],val);
}
}
}
}
}
}
int main()
{
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin>>n>>a>>b;
for(int i=1;i<=n;i++)
{
ll x;
cin>>x;
p[i]=p[i-1]+x;
}
if(n<=100)
{
b100();
ll ans;
bool g=0;
for(int j=a;j<=b;j++)
{
if(valid[n][j]==0) continue;
if(g==0)
{
g=1;
ans=dp[n][j];
}
else
{
ans=min(ans,dp[n][j]);
}
}
cout<<ans<<"\n";
}
return 0;
}
/**
6 1 3
8 1 2 1 5 4
**/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Incorrect |
2 ms |
456 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
456 KB |
Output is correct |
2 |
Incorrect |
2 ms |
460 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
508 KB |
Output is correct |
2 |
Incorrect |
2 ms |
508 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
508 KB |
Output is correct |
2 |
Incorrect |
2 ms |
508 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
632 KB |
Output is correct |
2 |
Incorrect |
3 ms |
632 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |