Submission #995568

#	Time	Username	Problem	Language	Result	Execution time	Memory
995568		assanali	Bali Sculptures (APIO15_sculpture)	C++17	0 / 100	0 ms	348 KiB

sculpture

/*

author: CRISTIANO RONALDO


#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,
tree_order_statistics_node_update> indexed_set;
can do: find_by_order, order_of_key

__builtin_clz(x): the number of zeros at the beginning of the number
__builtin_ctz(x): the number of zeros at the end of the number
__builtin_popcount(x): the number of ones in the number
__builtin_parity(x): the parity (even or odd) of the number of ones

mt19937 rng(15);
mt19937 bruh(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rofl(chrono::steady_clock::now().time_since_epoch().count());
*/
#include <bits/stdc++.h>
#define ll long long
#define all(a) a.begin(), a.end()
#define F first
#define S second
#define pb push_back
#define ull unsigned long long
#define ld long double
#define lv v+v
#define rv v+v+1
#define files freopen("aa.txt", "r", stdin), freopen("aa.txt", "w", stdout)
#define pll pair <long long, long long>
#define pii pair <int, int>
using namespace std;
long long mod = 1e9 + 7;
const ll N = 2e5 + 10;
const ll M = 2e3 + 10;
const ll P = 337ll;
const ld EPS = 1e-7;
const ll block = 325;
const ll inf = 2e18;
ll n,A,B,a[N],off=0,bt[30],cur,len,take=0,nw;
bool getbit(ll number, ll index) {
    return ((number >> index) & 1LL);
}
bool bad(ll fir, ll sec) {
    ll tmp = fir;
    tmp ^= sec;
    tmp &= fir;
    return (tmp > 0);
}
bool check(ll need) {
    cur=nw=len=0;
    nw++;
   // cout<<"\n\n"<<need<<":\n";
    for(ll i = 1; i<=n; i++) {
        cur += a[i];
        len++;
        if(bad(cur, need)) {
          //  cout<<i<<" "<<cur<<" "<<len<<" ";
            ll val=cur,r=-1;
            for(ll j = i+1; j<=n; j++) {
                val += a[j];
                if(!bad(val, need)) {
                    r=j;
                    break;
                }
            }
           // cout<<r<<"\n";
            if(r != -1) {
                i=r;
            }
            else if(len == 1){
                return false;
            }
            else {
                len=cur=0;
                i--;
                nw++;
            }
        }
    }
 //   cout<<nw;
    return (nw <= B);
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
for(ll i = 0; i<30; i++) {
    bt[i] = (1LL << i);
    off |= bt[i];
}
cin>>n>>A>>B;
for(ll i = 1; i<=n; i++) {
    cin>>a[i];
}
for(ll i = 30 - 1; i>=0; i--) {
    off ^= bt[i];
    if(!check(off)) {
        off |= bt[i];
    }
}
cout<<off;
return 0;
}
// equal, min, max, 1, random, build
/*
6 1 3
8 1 2 1 5 4
*/

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