Submission #991670

#	Time	Username	Problem	Language	Result	Execution time	Memory
991670		_rain_	Bali Sculptures (APIO15_sculpture)	C++14	0 / 100	1 ms	348 KiB

sculpture

/** author : Knquin_ **/
#include<bits/stdc++.h>
using namespace std;

using i64 = long long;
using ui64 = unsigned long long;

#define MASK(x) ((i64)(1) << (x))
#define BIT(mask , x) (((mask) >> (x)) & (1))
#define sz(x) (x).size()
#define all(x) (x).begin() , (x).end()

#define FOR(i ,a , b) for (int i = (a); i <= (b); ++i)
#define FORD(i , a , b) for (int i = (b); i >= (a); --i)
#define REP(i , a , b) for (int i = (a); i < (b); ++i)
#define REPD(i , a , b) for (int i = (b) - 1 ; i >= (a); --i)

mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
template<class T>
    bool maximize(T &a , T b) {if (a < b) return a = b , true; else return false;}
template<class T>
    bool minimize(T &a , T b) {if (a > b) return a = b , true; else return false;}
template<class T>
    T gcd(T x , T y) {while (y) swap(y , x %= y); return x;}
template<class T>
    T lcm(T x , T y) {return (x * y) / gcd(x , y);}

template <class T> 
    void compress(vector<T> &a)
    {
        sort(a.begin() , a.end());
        a.resize(unique(a.begin() , a.end()) - a.begin());
        return;
    }
template<class T>
    void printArr(T& container , string separator = "" , string finish = "\n")
    {
        for (auto& item : container) cout << item << separator;
        cout << finish;
    }

const int maxn = 2e3;
i64 a[maxn + 2];
int n , A , B;

namespace subtask1
{
	bool condition()
	{
		return n <= 100;
	}
	const int N = 100;
	i64 dp[N + 2][N + 2] , pre[N + 2];
	void cook()
	{
		FOR(i , 1 , n) 
				pre[i] = pre[i - 1] + a[i];
		memset(dp , 0x3f , sizeof dp);
		dp[0][0] =0;
		FOR(used , 1 , n)
		{
			FOR(i , 1 , n)
					FOR(j , 1 , i)
					{
						if (dp[j - 1][used - 1] != dp[0][1])
							minimize(dp[i][used] , (dp[j - 1][used - 1] | (pre[i] - pre[j - 1])));
					}
		}
		i64 answer = (i64)1e18 + 7;
		FOR(used , A , B) minimize(answer , dp[n][used]);
		cout << answer << '\n';
	}

}

int32_t main()
{
    iostream::sync_with_stdio(false); cin.tie(0);
    const string name = "main";
    if (fopen((name + ".inp").c_str() , "r"))
    {
        (void)!freopen((name + ".inp").c_str() , "r" , stdin);
        (void)!freopen((name + ".out").c_str() , "w+", stdout);
    }
    cin >> n >> A >> B;
    FOR(i , 1 , n) cin >> a[i];
    if (subtask1::condition()) return subtask1::cook() , 0;
}

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