Submission #1165529

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1165529	2025-03-12 02:41:28	thinknoexit	Bali Sculptures (APIO15_sculpture)	C++20	50 / 100	60 ms	328 KiB

sculpture

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#include<bits/stdc++.h>
using namespace std;
using ll = long long;
int dp[2020];
ll qs[2020];
int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    int n, a, b;
    cin >> n >> a >> b;
    for (int i = 1;i <= n;i++) {
        int x;
        cin >> x;
        qs[i] = qs[i - 1] + x;
    }
    if (a == 1) {
        ll ans = (1ll << 41) - 1;
        for (ll j = 40;j >= 0;j--) {
            memset(dp, 0x3f, sizeof dp);
            dp[0] = 0;
            ans ^= (1ll << j);
            for (int i = 1;i <= n;i++) {
                for (int j = 0;j < i;j++) {
                    if (((qs[i] - qs[j]) | ans) == ans) {
                        dp[i] = min(dp[i], dp[j] + 1);
                    }
                }
            }
            if (dp[n] > b) ans ^= (1ll << j);
        }
        cout << ans << '\n';
 
 
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• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 21 / 21
• Subtask 4: 0 / 25
• Subtask 5: 29 / 29