Submission #1326131

#	Time	Username	Problem	Language	Result	Execution time	Memory
1326131		hoangtien69	Bali Sculptures (APIO15_sculpture)	C++20	100 / 100	51 ms	484 KiB

sculpture

#include<bits/stdc++.h>
using namespace std;
const int MAXN = 2e3 + 5;
#define int long long
#define LLONG_MIN -1e18
#define LLONG_MAX 1e18

int n, l, r;
int maxx[MAXN];
int minn[MAXN];
int pre[MAXN];
int a[MAXN];
int ans = 0;

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin >> n >> l >> r;
    for (int i = 1; i <= n; i++)
    {
        cin >> a[i];
        pre[i] = pre[i - 1] + a[i];
    }
    for (int i = 40; i >= 0; i--)
    {
        int lim = ans | ((1LL << i) - 1);
        maxx[0] = 0;
        minn[0] = 0;
        for (int j = 1; j <= n; j++)
        {
            maxx[j] = LLONG_MIN;
            minn[j] = LLONG_MAX;
            for (int k = 1; k <= j; k++)
            {
                int val = pre[j] - pre[k - 1];
                if ((val & lim) == val)
                {
                    if (maxx[k - 1] != LLONG_MIN)
                        maxx[j] = max(maxx[j], maxx[k - 1] + 1);
                    if (minn[k - 1] != LLONG_MAX)
                        minn[j] = min(minn[j], minn[k - 1] + 1);
                }
            }
        }
        if (maxx[n] < l || minn[n] > r)
        {
            ans |= (1LL << i);
        }
    }
    cout << ans;
}

Compilation message (stderr)

sculpture.cpp:5: warning: "LLONG_MIN" redefined
    5 | #define LLONG_MIN -1e18
      | 
In file included from /usr/lib/gcc/x86_64-linux-gnu/13/include/limits.h:205,
                 from /usr/lib/gcc/x86_64-linux-gnu/13/include/syslimits.h:7,
                 from /usr/lib/gcc/x86_64-linux-gnu/13/include/limits.h:34,
                 from /usr/include/c++/13/climits:42,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:38,
                 from sculpture.cpp:1:
/usr/include/limits.h:132: note: this is the location of the previous definition
  132 | #  define LLONG_MIN     (-LLONG_MAX-1)
      | 
sculpture.cpp:6: warning: "LLONG_MAX" redefined
    6 | #define LLONG_MAX 1e18
      | 
/usr/include/limits.h:135: note: this is the location of the previous definition
  135 | #  define LLONG_MAX     __LONG_LONG_MAX__
      |

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