#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int maxn = (int)2e3+10;
const ll LINF = (ll)1e18;
int n, A, B;
ll a[maxn], pre[maxn]; ll ans=LINF;
bool needs(ll mask, int bit){
bool dp[110][110]; bool ok=1;
for(int i = 0; i <= n; i++)
for(int j = 0; j <= B; j++)
dp[i][j]=false;
dp[0][0]=true;
for(int i = 1; i <= n; i++){
for(int j = 1; j <= B; j++){
for(int k = 0; k<i; k++){
ll sum = pre[i]-pre[k];
if(sum&(1ll<<bit) or ((sum>>bit)|mask)!=mask) continue;
dp[i][j] |= dp[k][j-1];
}
}
}
for(int i = A; i <= B; i++) if(dp[n][i]) ok=0;
return ok;
}
bool needs2(ll mask, int bit){
int dp[2010];
for(int i = 0; i <= n; i++) dp[i]=n+1;
dp[0]=0;
for(int i = 1; i <= n; i++){
for(int k = 0; k<i; k++){
ll sum = pre[i]-pre[k]; bool skip=false;
for(int l = bit+1; l < 40; l++){
if(mask&(1ll<<l)) continue;
if(sum&(1ll<<l)) skip=true;
}
if(sum&(1ll<<bit) or skip) continue;
dp[i] = min(dp[i], dp[k]+1);
}
}
return dp[n]>B;
}
int32_t main() {
cin >> n >> A >> B; ans = 0;
for(int i = 0; i < n; i++) cin >> a[i], pre[i+1]=pre[i]+a[i];
for(int i = 40; i >= 0; i--)
ans|=(A>1?needs(ans|(1ll<<i),i):needs2(ans|(1ll<<i),i))*(1ll<<i);
cout << ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
288 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 15 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
292 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 15 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
2 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
212 KB |
Output is correct |
| 21 |
Correct |
2 ms |
312 KB |
Output is correct |
| 22 |
Correct |
2 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
1 ms |
212 KB |
Output is correct |
| 25 |
Correct |
2 ms |
212 KB |
Output is correct |
| 26 |
Correct |
3 ms |
212 KB |
Output is correct |
| 27 |
Correct |
3 ms |
212 KB |
Output is correct |
| 28 |
Correct |
4 ms |
212 KB |
Output is correct |
| 29 |
Correct |
4 ms |
212 KB |
Output is correct |
| 30 |
Correct |
4 ms |
212 KB |
Output is correct |
| 31 |
Correct |
4 ms |
212 KB |
Output is correct |
| 32 |
Correct |
6 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 15 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
0 ms |
212 KB |
Output is correct |
| 20 |
Correct |
0 ms |
212 KB |
Output is correct |
| 21 |
Correct |
1 ms |
212 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
1 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
308 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| 27 |
Correct |
1 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
1 ms |
212 KB |
Output is correct |
| 31 |
Correct |
1 ms |
212 KB |
Output is correct |
| 32 |
Correct |
2 ms |
212 KB |
Output is correct |
| 33 |
Correct |
2 ms |
212 KB |
Output is correct |
| 34 |
Correct |
1 ms |
212 KB |
Output is correct |
| 35 |
Correct |
2 ms |
212 KB |
Output is correct |
| 36 |
Correct |
3 ms |
212 KB |
Output is correct |
| 37 |
Correct |
4 ms |
212 KB |
Output is correct |
| 38 |
Correct |
4 ms |
212 KB |
Output is correct |
| 39 |
Correct |
4 ms |
212 KB |
Output is correct |
| 40 |
Correct |
4 ms |
212 KB |
Output is correct |
| 41 |
Correct |
4 ms |
212 KB |
Output is correct |
| 42 |
Correct |
4 ms |
212 KB |
Output is correct |
| 43 |
Correct |
1 ms |
212 KB |
Output is correct |
| 44 |
Correct |
3 ms |
212 KB |
Output is correct |
| 45 |
Correct |
4 ms |
212 KB |
Output is correct |
| 46 |
Correct |
5 ms |
212 KB |
Output is correct |
| 47 |
Correct |
4 ms |
212 KB |
Output is correct |
| 48 |
Correct |
4 ms |
212 KB |
Output is correct |
| 49 |
Correct |
5 ms |
212 KB |
Output is correct |
| 50 |
Correct |
5 ms |
212 KB |
Output is correct |
| 51 |
Correct |
5 ms |
212 KB |
Output is correct |
| 52 |
Correct |
133 ms |
296 KB |
Output is correct |
| 53 |
Correct |
221 ms |
292 KB |
Output is correct |
| 54 |
Correct |
448 ms |
304 KB |
Output is correct |
| 55 |
Correct |
413 ms |
212 KB |
Output is correct |
| 56 |
Execution timed out |
1086 ms |
212 KB |
Time limit exceeded |
| 57 |
Halted |
0 ms |
0 KB |
- |
