Submission #306121

#	Time	Username	Problem	Language	Result	Execution time	Memory
306121		MarcoMeijer	Bali Sculptures (APIO15_sculpture)	C++14	0 / 100	1 ms	416 KiB

sculpture

#include <bits/stdc++.h>
using namespace std;
 
// macros
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef pair<ll, ll> lll;
typedef tuple<int, int, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<ll> vll;
typedef vector<lll> vlll;
#define REP(a,b,c) for(int a=int(b); a<int(c); a++)
#define RE(a,c) REP(a,0,c)
#define RE1(a,c) REP(a,1,c+1)
#define REI(a,b,c) REP(a,b,c+1)
#define REV(a,b,c) for(int a=int(c-1); a>=int(b); a--)
#define FOR(a,b) for(auto& a : b)
#define all(a) a.begin(), a.end()
#define INF 1e18
#define EPS 1e-9
#define pb push_back
#define popb pop_back
#define fi first
#define se second
#define sz size()
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
 
// input
template<class T> void IN(T& x) {cin >> x;}
template<class H, class... T> void IN(H& h, T&... t) {IN(h); IN(t...); }
 
// output
template<class T1, class T2> void OUT(const pair<T1,T2>& x);
template<class T> void OUT(const vector<T>& x);
template<class T> void OUT(const T& x) {cout << x;}
template<class H, class... T> void OUT(const H& h, const T&... t) {OUT(h); OUT(t...); }
template<class T1, class T2> void OUT(const pair<T1,T2>& x) {OUT(x.fi,' ',x.se);}
template<class T> void OUT(const vector<T>& x) {RE(i,x.size()) OUT(i==0?"":" ",x[i]);}
template<class... T> void OUTL(const T&... t) {OUT(t..., "\n"); }
template<class H> void OUTLS(const H& h) {OUTL(h); }
template<class H, class... T> void OUTLS(const H& h, const T&... t) {OUT(h,' '); OUTLS(t...); }
 
//===================//
//  Added libraries  //
//===================//
 
//===================//
//end added libraries//
//===================//
 
void program();
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    program();
}
 
 
//===================//
//   begin program   //
//===================//
 
const int MX = 2005;

int n, a, b;
ll y[MX], sm[MX];
bool dp[MX][MX];

bool possible(ll bm) {
    RE(i,n) RE(j,n) {
        dp[i][j] = 0;
        if(j == 0) {
            dp[i][j] = ((bm|sm[i+1]) == bm);
            continue;
        }
        RE(k,i) {
            if((bm|(sm[i+1]-sm[k+1])) == bm && dp[k][j-1])
                dp[i][j] = 1;
        }
    }
    REP(i,a,b+1) if(dp[n-1][i]) return 1;
    return 0;
}

void program() {
    IN(n,a,b);
    RE(i,n) IN(y[i]);

    sm[0] = 0;
    RE(i,n) sm[i+1] = sm[i]+y[i];

    ll ans = (1ll<<62ll)-1;
    REV(i,0,62) {
        ans ^= (1ll<<i);
        if(!possible(ans)) ans ^= (1ll<<i);
    }
    OUTL(ans);
}

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