#include <bits/stdc++.h>
using namespace std;
int n, a, b;
int arr[2005];
long long dp[2005][2005];
int pf[2005];
int sum(int a, int b) {
return pf[b] - pf[a-1];
}
long long solve(int items, int ranges) {
if (dp[items][ranges] != -1) return dp[items][ranges];
long long lowest = INT_MAX;
for (int i=1; i<items; i++) {
// solve(i, ranges-1) ^ (sum(i+1, items))
long long curr = solve(i, ranges-1) | sum(i+1, items);
lowest = min(lowest, curr);
}
return dp[items][ranges] = lowest;
}
int main() {
cin >> n >> a >> b;
int allow = b + 5;
for (int i=0; i<2005; i++) {
for (int j=0; j<2005; j++) {
dp[i][j] = -1;
}
}
for (int i=0; i<n; i++) {
cin >> arr[i];
}
pf[0] = 0;
for (int i=1; i<=n; i++) {
pf[i] = pf[i-1] + arr[i-1];
}
int x = 0;
for (int i=0; i<n; i++) {
x = x + arr[i];
dp[i+1][1] = x;
}
for (int i=0; i<allow; i++) {
dp[0][i] = 0;
}
long long best = INT_MAX;
for (int i=a; i<=b; i++) {
best = min(best, solve(n, i));
}
cout << best << endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
30 ms |
31992 KB |
Output is correct |
2 |
Incorrect |
27 ms |
31736 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
27 ms |
31736 KB |
Output is correct |
2 |
Incorrect |
27 ms |
31864 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
27 ms |
31992 KB |
Output is correct |
2 |
Incorrect |
27 ms |
31864 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
31736 KB |
Output is correct |
2 |
Incorrect |
26 ms |
31736 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
27 ms |
31864 KB |
Output is correct |
2 |
Incorrect |
26 ms |
31832 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |