Submission #636206

#	Time	Username	Problem	Language	Result	Execution time	Memory
636206		ghostwriter	Bali Sculptures (APIO15_sculpture)	C++14	100 / 100	87 ms	448 KiB

sculpture

#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include <debug.h>
#endif
#define st first
#define nd second
#define pb push_back
#define pf push_front
#define _pb pop_back
#define _pf pop_front
#define lb lower_bound
#define ub upper_bound
#define mtp make_tuple
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
typedef long long ll; typedef unsigned long long ull;
typedef double db; typedef long double ldb;
typedef pair<int, int> pi; typedef pair<ll, ll> pll;
typedef vector<int> vi; typedef vector<ll> vll; typedef vector<pi> vpi; typedef vector<pll> vpll;
typedef string str;
template<typename T> T gcd(T a, T b) { return (b == 0? a : gcd(b, a % b)); }
template<typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; }
#define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
#define FOS(i, r, l) for (int (i) = (r); (i) >= (l); --(i))
#define EACH(i, x) for (auto &(i) : (x))
#define WHILE while
#define file "TEST"
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
ll rand(ll l, ll r) { return uniform_int_distribution<ll>(l, r)(rd); }
/*
    Tran The Bao
    CTL - Da Lat
    Cay ngay cay dem nhung deo duoc cong nhan
*/
const int NMAX = 2001;
int n, a, b, y[NMAX];
namespace subtask1234 {
	const int N = 101;
	int d[N][N]; 
	void solve() {
		ll ans = (1LL << 37) - 1;
		FOS(x, 36, 0) {
			ans ^= 1LL << x;
			FOR(i, 1, n) d[0][i] = 0;
			d[0][0] = 1;
			FOR(i, 1, n)
			FOR(j, 0, n) {
				d[i][j] = 0;
				ll sum = 0;
				FOS(z, i, 1) {
					sum += y[z];
					if ((sum | ans) == ans && j) d[i][j] = d[i][j] || d[z - 1][j - 1];
				}
			}
			bool ok = 0;
			FOR(i, a, b) ok = ok || d[n][i];
			if (!ok) ans ^= 1LL << x;
		}
		cout << ans;
	}
}
namespace subtask5 {
	const int N = 2001;
	int d[N];
	void solve() {
		ll ans = (1LL << 41) - 1;
		FOS(x, 40, 0) {
			ans ^= 1LL << x;
			d[0] = 0;
			FOR(i, 1, n) {
				d[i] = n + 1;
				ll sum = 0;
				FOS(j, i, 1) {
					sum += y[j];
					if ((sum | ans) == ans) d[i] = min(d[i], d[j - 1] + 1);
				}
			}
			if (d[n] > b) ans ^= 1LL << x;
		}
		cout << ans;
	}
}
signed main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    // freopen(file".inp", "r", stdin);
    // freopen(file".out", "w", stdout);
	cin >> n >> a >> b;
	FOR(i, 1, n) cin >> y[i];
	if (n <= 100) {
		subtask1234::solve();
		return 0;
	}
	subtask5::solve();
    return 0;
}
/*
6 1 3
8 1 2 1 5 4
*/

Compilation message (stderr)

sculpture.cpp: In function 'void subtask1234::solve()':
sculpture.cpp:25:31: warning: unnecessary parentheses in declaration of 'x' [-Wparentheses]
   25 | #define FOS(i, r, l) for (int (i) = (r); (i) >= (l); --(i))
      |                               ^
sculpture.cpp:43:3: note: in expansion of macro 'FOS'
   43 |   FOS(x, 36, 0) {
      |   ^~~
sculpture.cpp:24:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   24 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
sculpture.cpp:45:4: note: in expansion of macro 'FOR'
   45 |    FOR(i, 1, n) d[0][i] = 0;
      |    ^~~
sculpture.cpp:24:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   24 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
sculpture.cpp:47:4: note: in expansion of macro 'FOR'
   47 |    FOR(i, 1, n)
      |    ^~~
sculpture.cpp:24:31: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
   24 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
sculpture.cpp:48:4: note: in expansion of macro 'FOR'
   48 |    FOR(j, 0, n) {
      |    ^~~
sculpture.cpp:25:31: warning: unnecessary parentheses in declaration of 'z' [-Wparentheses]
   25 | #define FOS(i, r, l) for (int (i) = (r); (i) >= (l); --(i))
      |                               ^
sculpture.cpp:51:5: note: in expansion of macro 'FOS'
   51 |     FOS(z, i, 1) {
      |     ^~~
sculpture.cpp:24:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   24 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
sculpture.cpp:57:4: note: in expansion of macro 'FOR'
   57 |    FOR(i, a, b) ok = ok || d[n][i];
      |    ^~~
sculpture.cpp: In function 'void subtask5::solve()':
sculpture.cpp:25:31: warning: unnecessary parentheses in declaration of 'x' [-Wparentheses]
   25 | #define FOS(i, r, l) for (int (i) = (r); (i) >= (l); --(i))
      |                               ^
sculpture.cpp:68:3: note: in expansion of macro 'FOS'
   68 |   FOS(x, 40, 0) {
      |   ^~~
sculpture.cpp:24:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   24 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
sculpture.cpp:71:4: note: in expansion of macro 'FOR'
   71 |    FOR(i, 1, n) {
      |    ^~~
sculpture.cpp:25:31: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
   25 | #define FOS(i, r, l) for (int (i) = (r); (i) >= (l); --(i))
      |                               ^
sculpture.cpp:74:5: note: in expansion of macro 'FOS'
   74 |     FOS(j, i, 1) {
      |     ^~~
sculpture.cpp: In function 'int main()':
sculpture.cpp:24:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   24 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
sculpture.cpp:89:2: note: in expansion of macro 'FOR'
   89 |  FOR(i, 1, n) cin >> y[i];
      |  ^~~

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