Submission #1277867

#	Time	Username	Problem	Language	Result	Execution time	Memory
1277867		quanduongxuan12	Bali Sculptures (APIO15_sculpture)	C++20	100 / 100	141 ms	580 KiB

sculpture

#include <bits/stdc++.h>
using namespace std;
#define name "sculptures"
#define MAXN 100005
#define pb push_back
#define pf push_front
#define ll long long
#define ii pair<int, int>
#define fs first
#define sc second
#define ill pair<int, ll>
#define lli pair<ll, int>
#define llll pair<ll, ll>
#define all(v) v.begin(),v.end()
#define uni(v) v.erase(unique(all(v)),v.end())
#define bit(n,i) (((n)>>(i))&1)
#define FOR(i,a,b) for (int i=(a),_b=(b); i<=_b; i++)
#define FORD(i,a,b) for (int i=(a),_b=(b); i>=_b; i--)
#define MASK(i) (1LL<<(i))
const int INF=1e9;
const int MOD=1e9+7;
void add(int &u, int v){
    u+=v;
    if (u>=MOD) u-=MOD;
}
void sub(int &u, int v){
    u-=v;
    if (u<0) u+=MOD;
}
void minimize(int &u, int v){
    u=min(u,v);
}
void maximize(int &u, int v){
    u=max(u,v);
}
long long Rand(long long l, long long r){
    ll tmp=0;
    FOR(i,1,4) tmp=((tmp<<15)^(((1<<15)-1)&rand()));
    return l+tmp%(r-l+1);
}
int n,x,y;
int a[MAXN];
ll sum[MAXN];
ll get(int u, int v){
    return sum[v]-sum[u-1];
}
namespace sub4{
    bool dp[102][102];
    void solve(){
        ll cur=0;
        FORD(c,37,0){
            cur|=MASK(c);
            dp[0][0]=1;
            FOR(g,1,y){
                FOR(i,g,n){
                    dp[g][i]=0;
                    FOR(j,g-1,i-1){
                        if (dp[g-1][j]&&(cur&get(j+1,i))==0) dp[g][i]=1;
                    }
                }
            }
            bool ok=0;
            FOR(g,x,y) if (dp[g][n]){
                ok=1;
                break;
            }
            if (!ok) cur^=MASK(c);
        }
        cout<<MASK(38)-1-cur;
    }
}
namespace sub5{
    int dp[2003];
    void solve(){
        ll cur=0;
        FORD(c,59,0){
            cur|=MASK(c);
            dp[0]=0;
            FOR(i,1,n){
                dp[i]=INF;
                FOR(j,0,i-1){
                    if ((cur&get(j+1,i))==0) minimize(dp[i],dp[j]+1);
                }
            }
            if (dp[n]>y) cur^=MASK(c);
        }
        cout<<MASK(60)-1-cur;
    }
}
int main()
{
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    cin>>n>>x>>y;
    FOR(i,1,n) cin>>a[i];
    FOR(i,1,n) sum[i]=sum[i-1]+1LL*a[i];
    if (n<=100) sub4::solve();
    else sub5::solve();
    return 0;
}

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