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Submission #729375

# Submission time Handle Problem Language Result Execution time Memory
729375 2023-04-24T02:00:21 Z hoainiem Bali Sculptures (APIO15_sculpture) C++14
0 / 100
 1 ms 340 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
#define lc id<<1
#define rc id<<1^1
const long long inf = 1e18;
using namespace std;
typedef pair<int, int> pii;
int n, l, r;
int a[2008], p[2008][38];
long long ans = inf, f[2008];
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin >> n >> l >> r;
    fill(p[0], p[0] + 30, 0);
    for (int i = 1; i <= n; i++){
        cin >> a[i];
        a[i] ^= a[i - 1];
        for (int j = 0; j < 30; j++)
            p[i][j] = ((a[i] >> j) & 1) ? i : p[i - 1][j];
        f[i] = a[i];
    }
    f[0] = 0;
    if (l <= 1 && 1 <= r)
        ans = min(ans, f[n]);
    for (int j = 2; j <= r; j++){
        for (int i = n; i >= 0; i--)
            if (i < j)
                f[i] = inf;
            else{
                f[i] = inf;
                for (int bit = 0; bit < 30; bit++)
                    if (p[i][bit] > 0)
                        f[i] = min(f[i], f[p[i][bit] - 1] + (a[i] ^ a[p[i][bit] - 1]));
            }
        if (j >= l)
            ans = min(ans, f[n]);
    }
    cout << ans;
    return 0;
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Incorrect 1 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Incorrect 1 ms 332 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Incorrect 1 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -