Submission #45828

#	Time	Username	Problem	Language	Result	Execution time	Memory
45828		antimirage	Bali Sculptures (APIO15_sculpture)	C++17	71 / 100	85 ms	1072 KiB

sculpture

#include <bits/stdc++.h>

#define fr first
#define sc second
#define mk make_pair
#define pb push_back
#define OK puts("OK");
#define sz(s) (int)s.size()
#define all(s) s.begin(), s.end()

using namespace std;

const int N = 105;

int n, a, b, ar[N], cnt;

bool dp[N][N];

long long ans, sum, pref[N];

main()
{
    cin >> n >> a >> b;
    for (int i = 1; i <= n; i++)
        scanf("%d", &ar[i]), pref[i] = pref[i - 1] + ar[i];

    for (int k = 40; k >= 0; k--)
    {
        long long cur = (1LL << k);

        memset(dp, 0, sizeof(dp) );

        dp[0][0] = 1;

        for (int i = 1; i <= n; i++)
        {
            for (int j = 1; j <= n; j++)
            {
                for (int l = 1; l <= j; l++)
                {
                    if ( ( ans | ( ( (pref[j] - pref[l - 1]) >> k) << k) ) == ans  )
                        dp[i][j] |= dp[i - 1][l - 1];
                }
            }
        }
        bool fl = 0;

        for (int i = a; i <= b; i++)
            fl |= dp[i][n];

        if (!fl)
            ans += cur;
    }
    cout << ans << endl;
}
/**
6 1 3
8 1 2 1 5 4
**/

Compilation message (stderr)

sculpture.cpp:21:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
sculpture.cpp: In function 'int main()':
sculpture.cpp:25:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &ar[i]), pref[i] = pref[i - 1] + ar[i];
         ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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