oj.uz

답안 #890269

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
890269 2023-12-20T22:38:37 Z thunopro Bali Sculptures (APIO15_sculpture) C++14
0 / 100
 75 ms 3164 KB 
#include<bits/stdc++.h>
using namespace std ; 
#define maxn 300009 
#define ll long long 
#define fi first 
#define se second 
#define pb push_back 
#define left id<<1 
#define right id<<1|1
#define re exit(0);
#define _lower(v,x) lower_bound(v.begin(),v.end(),x)-v.begin()+1

const int mod = 1e9+7 ; 
const int INF = 1e9 ;
const int LOG = 18 ; 

typedef vector<int> vi ; 
typedef pair<int,int> pii ; 
typedef vector<pii> vii ;
typedef vector<ll> vl ;  
typedef pair<ll,ll> pll ; 
typedef vector<pll> vll ; 

void add ( int&a , int b ) { if ((a+=b) > mod ) a -= mod ; } 
void sub ( int&a , int b ) { if ((a-=b) < 0 ) a += mod ; } 
template<typename T> void chkmin(T& x, T y) {if(x > y) x = y;}
template<typename T> void chkmax(T& x, T y) {if(x < y) x = y;}

void rf ( ) 
{
	freopen ("bai1.inp","r",stdin) ; 
//	freopen ("bai1.out","w",stdout) ;
}

int _pow ( int a , int n ) 
{
	if ( n == 0 ) return 1 ; 
	int res = _pow ( a , n / 2 ) ; 
	if ( n % 2 ) return ( 1ll * res * res % mod * a % mod ) ; 
	else return ( 1ll * res * res % mod ) ; 
}

int n , A , B , a [maxn] ; 

void sub1 () 
{
	ll res = 1e18 ; 
	for ( int mask = 0 ; mask < (1<<n) ; mask ++ ) 
	{
		ll sum_or = 0 , sum = 0 , num = 0 ; 
		for ( int i = 0 ; i <= n ; i ++ ) 
		{
			if ( i == n || mask >> i & 1 ) 
			{
				num ++ ; 
				sum += a [i+1] ; 
				sum_or |= sum ; 
				sum = 0 ; 
			}
			else sum += a [i+1] ;
		}
		if ( num >= A && num <= B ) chkmin (res,sum_or) ; 
	}
	cout << res ; 
}

int sum [maxn] ; 
void sub2 () 
{
	bool dp [59][22][509] ; 
	memset ( dp , false , sizeof dp ) ; 
	dp [0][0][0] = true ; 
	const int N = 500 ; 
	for ( int i = 0 ; i < n ; i ++ ) 
	{
		for ( int j = 0 ; j <= min(i,B-1) ; j ++ ) 
		{
			for ( int k = 0 ; k <= N ; k ++ ) 
			{
				if ( !dp[i][j][k] ) continue ; 
				for ( int t = i+1 ; t <= n ; t ++ ) 
				{
					dp [t][j+1][k|(sum[t]-sum[i])] |= dp [i][j][k] ; 
				}
			}
		}
	}
	int res = 2*INF ; 
	for ( int j = A ; j <= B ; j ++ ) for ( int t = 0 ; t <= N ; t ++ ) 
	{
		if ( dp [n][j][t] ) res = min (res,t) ;
	}
	cout << res ; 
}
int main ( ) 
{
	ios_base :: sync_with_stdio (0) ; 
	cin.tie(0) ; cout.tie(0) ;
//	rf () ; 
	cin >> n >> A >> B ; 
	for ( int i = 1 ; i <= n ; i ++ ) cin >> a [i] ; 
	for ( int i = 1 ; i <= n ; i ++ ) sum [i] = sum [i-1] + a[i] ; 
	
	if ( n <= 20 ) sub1 () ; 
	else if ( n <= 50 && *max_element (a+1,a+n+1) <= 10 ) sub2 () ; 
}




//-std=c++11

Compilation message

sculpture.cpp: In function 'void rf()':
sculpture.cpp:31:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |  freopen ("bai1.inp","r",stdin) ;
      |  ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 2 ms 2396 KB Output is correct
7 Correct 8 ms 2396 KB Output is correct
8 Correct 68 ms 2396 KB Output is correct
9 Correct 68 ms 2396 KB Output is correct
10 Correct 71 ms 2496 KB Output is correct
11 Correct 69 ms 2492 KB Output is correct
12 Correct 70 ms 2396 KB Output is correct
13 Correct 71 ms 2492 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Incorrect 0 ms 2396 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 3 ms 2392 KB Output is correct
7 Correct 8 ms 2508 KB Output is correct
8 Correct 75 ms 2488 KB Output is correct
9 Correct 70 ms 2396 KB Output is correct
10 Correct 71 ms 2396 KB Output is correct
11 Correct 68 ms 2396 KB Output is correct
12 Correct 68 ms 2484 KB Output is correct
13 Correct 68 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Incorrect 1 ms 2396 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 2 ms 2396 KB Output is correct
7 Correct 8 ms 2396 KB Output is correct
8 Correct 68 ms 2396 KB Output is correct
9 Correct 68 ms 2396 KB Output is correct
10 Correct 70 ms 2488 KB Output is correct
11 Correct 70 ms 2488 KB Output is correct
12 Correct 70 ms 2484 KB Output is correct
13 Correct 71 ms 2396 KB Output is correct
14 Correct 1 ms 2908 KB Output is correct
15 Correct 1 ms 2908 KB Output is correct
16 Correct 1 ms 2908 KB Output is correct
17 Correct 1 ms 2904 KB Output is correct
18 Correct 2 ms 2908 KB Output is correct
19 Correct 1 ms 2908 KB Output is correct
20 Correct 1 ms 2908 KB Output is correct
21 Correct 1 ms 2904 KB Output is correct
22 Correct 1 ms 2908 KB Output is correct
23 Correct 1 ms 2908 KB Output is correct
24 Incorrect 0 ms 2396 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 2 ms 2392 KB Output is correct
7 Correct 8 ms 2396 KB Output is correct
8 Correct 68 ms 2488 KB Output is correct
9 Correct 68 ms 2648 KB Output is correct
10 Correct 69 ms 2488 KB Output is correct
11 Correct 75 ms 2492 KB Output is correct
12 Correct 72 ms 2488 KB Output is correct
13 Correct 68 ms 2492 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Incorrect 0 ms 2396 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2484 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 2 ms 2396 KB Output is correct
7 Correct 8 ms 2396 KB Output is correct
8 Correct 70 ms 2488 KB Output is correct
9 Correct 70 ms 2648 KB Output is correct
10 Correct 68 ms 2396 KB Output is correct
11 Correct 70 ms 2396 KB Output is correct
12 Correct 71 ms 2488 KB Output is correct
13 Correct 68 ms 2392 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 34 ms 2396 KB Output is correct
18 Correct 65 ms 2396 KB Output is correct
19 Correct 75 ms 2492 KB Output is correct
20 Correct 65 ms 2396 KB Output is correct
21 Correct 75 ms 2492 KB Output is correct
22 Correct 68 ms 2492 KB Output is correct
23 Correct 71 ms 2396 KB Output is correct
24 Correct 1 ms 2908 KB Output is correct
25 Correct 1 ms 3164 KB Output is correct
26 Correct 1 ms 3028 KB Output is correct
27 Correct 1 ms 2908 KB Output is correct
28 Correct 2 ms 2908 KB Output is correct
29 Correct 1 ms 2908 KB Output is correct
30 Correct 1 ms 3028 KB Output is correct
31 Correct 1 ms 2908 KB Output is correct
32 Correct 1 ms 2908 KB Output is correct
33 Correct 1 ms 2908 KB Output is correct
34 Incorrect 1 ms 2392 KB Output isn't correct
35 Halted 0 ms 0 KB -