Submission #523135

#	Time	Username	Problem	Language	Result	Execution time	Memory
523135		mansur	Bali Sculptures (APIO15_sculpture)	C++17	25 / 100	85 ms	17376 KiB

sculpture

#include<bits/stdc++.h>	
 
#pragma optimize ("g",on)
#pragma GCC optimize ("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")

//01001101 01100001 01101011 01101000 01100001  01100111 01100001 01111001 

using namespace std;        

#define all(a) a.begin(), a.end()                                                   
#define rall(a) a.rbegin(), a.rend()
#define ll long long
#define pb push_back
#define sz(a) a.size()
#define nl '\n'
#define popb pop_back()                                                                   
#define ld double
#define ull unsigned long long
#define ff first                                         
#define ss second  
#define fix fixed << setprecision
#define pii pair<int, int>                          
#define E exit (0)
#define int long long
 
const int inf = 1e15, N = 5e3 + 1, mod = 998244353;                    

double eps = 1e-6;

vector<pii> dir = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};

main() {                                                         
	//freopen("F.in", "r", stdin);                                                                                     
	//freopen("F.out", "w", stdout);                                                                                     
	ios_base::sync_with_stdio(NULL);                                                                                       
	cin.tie(NULL);
	int n, a, b;
	cin >> n >> a >> b;
	int y[n];
	for (int i = 0; i < n; i++) cin >> y[i];
	if (n <= 20) {
		int ans = inf;
		for (int mask = 0; mask < (1 << (n - 1)); mask++) {
			int cnt = __builtin_popcount(mask) + 1;
			if (a <= cnt && cnt <= b) {
				int cur = 0, val = 0;
				for (int i = 0; i < n; i++) {
					cur += y[i];
					if (mask >> i & 1) {
					 	val |= cur;
					 	cur = 0;
					}	
				}
				val |= cur;
				ans = min(ans, val);
			}
		}
		cout << ans;
	}else {
		int dp[n + 1][n + 1][501];
		for (int i = 0; i <= n; i++) {
			for (int j = 0; j <= n; j++) {
				for (int v = 0; v <= 500; v++) dp[i][j][v] = inf;
			}
		}
		for (int v = 0; v <= 500; v++) dp[0][0][v] = v;
		for (int i = 1; i <= n; i++) {
			for (int bl = 1; bl <= i; bl++) {
				for (int v = 0; v <= 500; v++) {
					int cur = 0;
					for (int j = i; j >= 1; j--) {
						cur += y[j - 1];
						dp[i][bl][v] = min(dp[i][bl][v], dp[j - 1][bl - 1][v | cur]);					 	
					}	
				}
			}
		}
		int ans = inf;
		for (int i = a; i <= b; i++) ans = min(ans, dp[n][i][0]);
		cout << ans;
	}
}
                                                                           

Compilation message (stderr)

sculpture.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    3 | #pragma optimize ("g",on)
      | 
sculpture.cpp:36:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   36 | main() {
      | ^~~~

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