#include<bits/stdc++.h>
using namespace std;
#define ll long long
const ll MAXN=2048;
vector<pair<ll,ll> >g[MAXN];
ll n,a,b,cur;
ll y[MAXN];
bool dp[MAXN][MAXN];
bool ok(ll idx)
{
//if(idx==1)cout<<idx<<endl;
for(int i=0;i<=n+1;i++)
{
for(int j=0;j<=n+1;j++)
{
dp[i][j]=0;
}
}
dp[0][0]=1;
for(ll i=1;i<=n;i++)
{
for(auto xd:g[i])
{
if((xd.first|idx)!=idx)continue;
for(ll j=0;j<=n;j++)
{
dp[xd.second+1][j+1]|=dp[i-1][j];
}
}
}
for(ll i=a;i<=b;i++)
{
if(dp[n+1][i])return 1;
}
return 0;
}
int main()
{
cin>>n>>a>>b;
for(ll i=1;i<=n;i++)
{
cin>>y[i];
}
for(ll i=0;i<=n;i++)
{
ll sum=0;
for(ll j=i;j<=n;j++)
{
sum+=y[j];
g[i].push_back({sum,j});
}
}
cur=(1ll<<61)-1ll;
for(ll i=60;i>=0;i--)
{
if(ok(cur-(1ll<<i)))
{
cur-=(1ll<<i);
}
}
cout<<cur<<endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |