Submission #528703

#	Time	Username	Problem	Language	Result	Execution time	Memory
528703		manizare	Bali Sculptures (APIO15_sculpture)	C++14	21 / 100	1 ms	332 KiB

sculpture

#include <bits/stdc++.h>   
#define all(a) a.begin() , a.end()
#define pb push_back
#define int long long
using namespace std;
const int maxn =2e6+10 , maxq = 1e7  , sq = sqrt(1e9) , N = 1e5 , lg = 20 , mod = 1e9+7 ;
int c[maxn] , dp[maxn];

signed main(){
	ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);	
	int n , a , b;
	cin >> n >> a >> b ;
	if(a!=1)return 0 ;
	for(int i = 1 ; i<= n ; i++){
		cin >> c[i] ;
	}
	int ans = (1<<31) - 1;
	for(int i = 30 ; i >= 0 ; i--){
		ans^=(1<<i);
		for(int i = 1 ; i <= n ; i++){
			dp[i] = 1e9 ;
		}
		dp[0] = 0 ;
		for(int j =1 ;j <= n ; j ++){
			int s = 0 ;
			for(int k = j ; k >= 1 ; k--){
				s+=c[k];
				if((ans&s) == s){
					dp[j] = min(dp[j] , dp[k-1] + 1);
				}
			}
		}
		if(dp[n] > b){
			ans^=(1<<i);
		}
	}
	cout << ans << "\n";
}

Compilation message (stderr)

sculpture.cpp: In function 'int main()':
sculpture.cpp:17:20: warning: integer overflow in expression of type 'int' results in '2147483647' [-Woverflow]
   17 |  int ans = (1<<31) - 1;
      |            ~~~~~~~~^~~

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