이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
//# pragma GCC optimize("Ofast,no-stack-protector")
//# pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
# pragma GCC optimize("Ofast")
# pragma GCC optimization ("unroll-loops")
# include "bits/stdc++.h"
/*
# include <ext/pb_ds/tree_policy.hpp>
# include <ext/pb_ds/assoc_container.hpp>
# include <ext/rope>
*/
std::pair<int,int> DR[] = {{-1,0},{0,1},{1,0},{0,-1},{-1,1},{-1,-1},{1,1},{1,-1}};
# define ll long long
# define clock (clock() * 1000.0 / CLOCKS_PER_SEC)
# define rc(s) return cout << s,0
# define rcg(s) cout << s;exit(0)
# define _ ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
# define db(x) cerr << #x << " = " << x << '\n'
# define pb push_back
# define mp make_pair
# define all(s) s.begin(),s.end()
# define sz(x) (int)((x).size())
# define int ll
using namespace std;
/*
using namespace __gnu_pbds;
using namespace __gnu_cxx;
template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;
Tree<int>tr;
*/
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# define LOCAL
# define sim template < class c
# define ris return * this
# define dor > debug & operator <<
# define eni(x) sim > typename \
enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) {
sim > struct rge { c b, e; };
sim > rge<c> range(c i, c j) { return rge<c>{i, j}; }
sim > auto dud(c* x) -> decltype(cerr << *x, 0);
sim > char dud(...);
struct debug {
#ifdef LOCAL
~debug() { cerr << endl; }
eni(!=) cerr << boolalpha << i; ris; }
eni(==) ris << range(begin(i), end(i)); }
sim, class b dor(pair < b, c > d) {
ris << "(" << d.first << ", " << d.second << ")";
}
sim dor(rge<c> d) {
*this << "[";
for (auto it = d.b; it != d.e; ++it)
*this << ", " + 2 * (it == d.b) << *it;
ris << "]";
}
#else
sim dor(const c&) { ris; }
#endif
};
#define show(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
int gcd(int a, int b)
{
if(b) return gcd(b,a%b);
return a;
}mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
int n,a,b,c[2005],viz[2005];
vector<int>zero;
bitset<2005>dp[2005];
bool f()
{
for(int i = 1;i <= n;i++) dp[i].reset();
dp[0][0] = 1;
for(int cnt = 1;cnt <= b;cnt++)
{
for(int i = 1;i <= n;i++)
{
dp[cnt][i] = 0;
for(int j = 0;j < i;j++)
{
if(dp[cnt - 1][j])
{
int x = c[i] - c[j];
bool B = 1;
for(auto it : zero)
{
if(x & (1LL << it))
{
B = 0;
break;
}
}
if(B)
{
dp[cnt][i] = 1;
break;
}
}
}
}
if(cnt >= a && dp[cnt][n]) return true;
}
return false;
}
int32_t main(){_
//freopen("input","r",stdin);
cin >> n >> a >> b;
for(int i = 1;i <= n;i++)
{
cin >> c[i];
c[i] += c[i - 1];
}
for(int bit = 40;bit >= 0;bit--)
{
zero.pb(bit);
if(!f()) zero.pop_back();
}
for(auto it : zero)
{
viz[it] = 1;
}
int ans = 0;
for(int i = 0;i <= 40;i++)
{
if(!viz[i]) ans += (1LL << i);
}
rc(ans);
return 0;
}
컴파일 시 표준 에러 (stderr) 메시지
sculpture.cpp:4:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
# pragma GCC optimization ("unroll-loops")
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