Submission #404821

#	Time	Username	Problem	Language	Result	Execution time	Memory
404821		tengiz05	Bali Sculptures (APIO15_sculpture)	C++17	50 / 100	184 ms	364 KiB

sculpture

#include <bits/stdc++.h>
using namespace std;
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, a, b;
    cin >> n >> a >> b;
    vector<int64_t> v(n), pr(n + 1);
    for (int i = 0; i < n; i++) {
        cin >> v[i];
    }
    for (int i = 0; i < n; i++) {
        pr[i + 1] = pr[i] + v[i];
    }
    int64_t ans = 0;
    for (int bit = 50; bit >= 0; bit--) {
        vector<int> dp(n + 1, 1e9);
        dp[0] = 0;
        for (int i = 1; i <= n; i++) {
            for (int j = 0; j < i; j++) {
                if ((((pr[i] - pr[j]) >> bit) | ans) == ans) {
                    dp[i] = min(dp[i], dp[j] + 1);
                }
            }
        }
        if (dp[n] > b) {
            ans ^= 1;
        }
        ans <<= 1;
    }
    ans >>= 1;
    cout << ans << '\n';
    return 0;
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 21 / 21
• Subtask 4: 0 / 25
• Subtask 5: 29 / 29