Submission #490707

#	Time	Username	Problem	Language	Result	Execution time	Memory
490707		manizare	Bali Sculptures (APIO15_sculpture)	C++14	0 / 100	1 ms	332 KiB

sculpture

#include <bits/stdc++.h>

using namespace std;
#define IOS ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0);
#define pb push_back
#define all(a) a.begin(),a.end() 
typedef long long ll ;
const int maxn =1e6 + 10;
const int mod = 1e9 + 7 ;
const int maxq = 3000+10;
ll dp[110][110][110];
ll d[maxn];
ll pre[maxn];

int main()
{
	ll n , a , b ;
	cin >> n >> a >> b ;
	for(int i = 1; i <= n ; i++){
		cin >> d[i];
	}
	for(int i = 1 ; i<= n ; i++){
		pre[i] = pre[i-1] + d[i] ;
	}
	for(int i = 1 ; i <= b ; i++){
		for(int l = 1 ; l <= n ; l++){
			for(int r = l+1 ; r <= n ; r++){
				dp[i][l][r] = 1e18;
			}
		}
	}
	for(int i =1 ; i <= n ; i++){
		for(int j = i ; j <= n ; j++){
			dp[1][i][j] = pre[j] - pre[i-1] ;
		}
	}
	for(int x = 2 ; x <= b ; x++){
			for(int l = 1 ; l <= n ; l++){
				for(int r = l+1 ; r <= n ; r++){
					for(int s = 0 ; s < x ; s++){
						if((x == 2 && l!=1 && r != n) || (x == 1 && !(l==1 && r == n)) || ((n-r)+(l-1) < (x-1)) || (s==0 || (x-1)-s) == 0 && (l!=1 && r!=n)){
							continue ;
						}
						if((x-1-s) > n-r || (s) > (l-1))continue ;
						if(x==3 && l == 2 && r == 5 ){
					//		cout << s << " " << x-1-s << " " << dp[s][1][l-1] << " " <<  (pre[r] - pre[l-1]) << " " <<  dp[(x-1)-s][r+1][n] << " " << (dp[s][1][l-1] | (pre[r] - pre[l-1]) | dp[(x-1)-s][r+1][n]) << "<<<=\n";
						}
						dp[x][l][r] = min(dp[s][1][l-1] | (pre[r] - pre[l-1]) | dp[(x-1)-s][r+1][n] , dp[x][l][r]) ;
					}
				}
			}
	}
	ll answer = 1e18 ;
	for(int x = a ; x <= b ; x++){
		for(int l = 1 ; l <= n ; l++){
			for(int r = l+1 ; r <= n ; r++){
				if((x == 1 && !(l==1 && r == n)) || (x == 2 && l!=1 && r != n) || ((n-r)+(l-1) < (x-1)))continue ;
				answer = min(answer,dp[x][l][r]) ;
	//			cout << x << " "<< l << " " <<r << " " << dp[x][l][r] << "<-\n";
			}
		}
	}
	cout << answer << "\n";
    return 0;
}
/*
6 1 3
8 1 2 1 5 4
*/

Compilation message (stderr)

sculpture.cpp: In function 'int main()':
sculpture.cpp:41:121: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   41 |       if((x == 2 && l!=1 && r != n) || (x == 1 && !(l==1 && r == n)) || ((n-r)+(l-1) < (x-1)) || (s==0 || (x-1)-s) == 0 && (l!=1 && r!=n)){
      |                                                                                                  ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~

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