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답안 #127618

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
127618 2019-07-09T16:41:02 Z MohamedAhmed04 Bali Sculptures (APIO15_sculpture) C++14
100 / 100
 172 ms 9592 KB 
#include <bits/stdc++.h>

using namespace std;

const int MAX = 2005 ;
const int MAX2 = 105 ;

long long arr[MAX] , pref[MAX];

long long dp[MAX2][MAX2][MAX2] ;
long long dp2[MAX];

int n , a , b ;

long long now = 0 ;

long long bit1 = 0 , bit2 = 0;

long long calc1(int idx , int st , int groups)
{
    if(idx == n && groups >= a && groups <= b)
    {
        long long val ;
        if(st == 0)
            val = pref[idx-1] ;
        else
            val = pref[idx-1] - pref[st-1] ;
        if(!((val & bit1)))
            return val ;
        return (1ll << 58) ;
    }
    if(groups > b)
        return (1ll << 58) ;
    if(idx == n && groups < a || groups > b)
        return (1ll << 58) ;
    long long &ret = dp[idx][st][groups] ;
    if(ret != -1)
        return ret ;
    long long val ;
    if(st == 0)
        val = pref[idx-1] ;
    else
        val = pref[idx-1] - pref[st-1] ;
    long long choice1 = calc1(idx+1 , st , groups) ;
    long long choice2 = (1ll << 58) ;
    if(!((val & bit1)))
        choice2 = calc1(idx+1 , idx , groups+1) | val ;
    ret = min(choice1 , choice2) ;
    return ret ;
}

long long calc2(int idx)
{
    if(idx == n)
        return 0 ;
    long long &ret = dp2[idx] ;
    if(ret != -1)
        return ret ;
    ret = 2005 ;
    for(int i = idx ; i < n ; ++i)
    {
        long long sum ;
        if(idx == 0)
            sum = pref[i] ;
        else
            sum = pref[i] - pref[idx-1] ;
        if(!(sum & bit1))
            ret = min(ret , calc2(i+1) + 1) ;
    }
    return ret ;
}

void solve1()
{
    long long ans = 0 ;
    for(int i = 42 ; i >= 0 ; --i)
    {
        memset(dp2 , -1 , sizeof(dp2)) ;
        bit1 |= (1ll << i) ;
        long long a = calc2(0);
        if(a > b)
        {
            bit1 ^= (1ll << i) ;
            ans += (1ll << i) ;
        }
    }
    cout<<ans<<"\n" ;
    return ;
}

void solve2()
{
    long long ans = 0 ;
    for(int i = 42 ; i >= 0 ; --i)
    {
        memset(dp , -1 , sizeof(dp)) ;
        bit1 |= (1ll << i) ;
        long long a = calc1(1 , 0 , 1) ;
        if(a >= (1ll << 58))
        {
            bit1 ^= (1ll << i) ;
            ans += (1ll << i) ;
        }
    }
    cout<<ans<<"\n" ;
    return ;
}


int main()
{
    //ios::sync_with_stdio(0) ;
    //cin.tie(0) ;
    cin>>n>>a>>b ;
    for(int i = 0 ; i < n ; ++i)
        cin>>arr[i] ;
    pref[0] = arr[0] ;
    for(int i = 1 ; i < n ; ++i)
        pref[i] = pref[i-1] + arr[i] ;
    if(a == 1)
    {
        solve1() ;
        return 0 ;
    }
    solve2() ;
    return 0 ;
}

Compilation message

sculpture.cpp: In function 'long long int calc1(int, int, int)':
sculpture.cpp:34:17: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
     if(idx == n && groups < a || groups > b)
        ~~~~~~~~~^~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 30 ms 9336 KB Output is correct
15 Correct 30 ms 9336 KB Output is correct
16 Correct 30 ms 9464 KB Output is correct
17 Correct 31 ms 9464 KB Output is correct
18 Correct 30 ms 9464 KB Output is correct
19 Correct 34 ms 9592 KB Output is correct
20 Correct 35 ms 9336 KB Output is correct
21 Correct 38 ms 9424 KB Output is correct
22 Correct 31 ms 9428 KB Output is correct
23 Correct 36 ms 9464 KB Output is correct
24 Correct 36 ms 9336 KB Output is correct
25 Correct 35 ms 9336 KB Output is correct
26 Correct 34 ms 9464 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct

Subtask #2
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 420 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 380 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 29 ms 9464 KB Output is correct
15 Correct 29 ms 9336 KB Output is correct
16 Correct 31 ms 9336 KB Output is correct
17 Correct 30 ms 9464 KB Output is correct
18 Correct 31 ms 9336 KB Output is correct
19 Correct 30 ms 9464 KB Output is correct
20 Correct 31 ms 9424 KB Output is correct
21 Correct 34 ms 9464 KB Output is correct
22 Correct 30 ms 9464 KB Output is correct
23 Correct 32 ms 9464 KB Output is correct
24 Correct 30 ms 9464 KB Output is correct
25 Correct 30 ms 9464 KB Output is correct
26 Correct 31 ms 9464 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 3 ms 376 KB Output is correct
33 Correct 3 ms 376 KB Output is correct
34 Correct 3 ms 376 KB Output is correct
35 Correct 3 ms 376 KB Output is correct
36 Correct 3 ms 380 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 380 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 372 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 3 ms 376 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 3 ms 376 KB Output is correct
28 Correct 3 ms 376 KB Output is correct
29 Correct 3 ms 376 KB Output is correct
30 Correct 3 ms 376 KB Output is correct
31 Correct 3 ms 376 KB Output is correct
32 Correct 3 ms 376 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 296 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 380 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 30 ms 9464 KB Output is correct
15 Correct 30 ms 9436 KB Output is correct
16 Correct 31 ms 9464 KB Output is correct
17 Correct 31 ms 9464 KB Output is correct
18 Correct 30 ms 9468 KB Output is correct
19 Correct 30 ms 9336 KB Output is correct
20 Correct 29 ms 9336 KB Output is correct
21 Correct 30 ms 9464 KB Output is correct
22 Correct 30 ms 9340 KB Output is correct
23 Correct 32 ms 9464 KB Output is correct
24 Correct 30 ms 9464 KB Output is correct
25 Correct 34 ms 9464 KB Output is correct
26 Correct 30 ms 9464 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 2 ms 376 KB Output is correct
49 Correct 3 ms 376 KB Output is correct
50 Correct 3 ms 376 KB Output is correct
51 Correct 3 ms 376 KB Output is correct
52 Correct 3 ms 376 KB Output is correct
53 Correct 3 ms 376 KB Output is correct
54 Correct 3 ms 376 KB Output is correct
55 Correct 3 ms 376 KB Output is correct
56 Correct 2 ms 376 KB Output is correct
57 Correct 2 ms 376 KB Output is correct
58 Correct 2 ms 376 KB Output is correct
59 Correct 2 ms 376 KB Output is correct
60 Correct 2 ms 376 KB Output is correct
61 Correct 2 ms 376 KB Output is correct
62 Correct 3 ms 376 KB Output is correct
63 Correct 3 ms 376 KB Output is correct
64 Correct 172 ms 9464 KB Output is correct
65 Correct 33 ms 9336 KB Output is correct
66 Correct 34 ms 9464 KB Output is correct
67 Correct 46 ms 9336 KB Output is correct
68 Correct 68 ms 9468 KB Output is correct
69 Correct 75 ms 9464 KB Output is correct
70 Correct 77 ms 9336 KB Output is correct
71 Correct 31 ms 9464 KB Output is correct
72 Correct 90 ms 9340 KB Output is correct
73 Correct 85 ms 9428 KB Output is correct
74 Correct 91 ms 9464 KB Output is correct

Subtask #5
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 3 ms 376 KB Output is correct
37 Correct 3 ms 376 KB Output is correct
38 Correct 3 ms 376 KB Output is correct
39 Correct 3 ms 376 KB Output is correct
40 Correct 3 ms 376 KB Output is correct
41 Correct 3 ms 376 KB Output is correct
42 Correct 3 ms 376 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 3 ms 376 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 3 ms 376 KB Output is correct
49 Correct 3 ms 376 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 14 ms 376 KB Output is correct
53 Correct 15 ms 376 KB Output is correct
54 Correct 45 ms 376 KB Output is correct
55 Correct 35 ms 504 KB Output is correct
56 Correct 83 ms 584 KB Output is correct
57 Correct 77 ms 504 KB Output is correct
58 Correct 89 ms 508 KB Output is correct
59 Correct 115 ms 504 KB Output is correct
60 Correct 95 ms 504 KB Output is correct
61 Correct 3 ms 376 KB Output is correct
62 Correct 15 ms 448 KB Output is correct
63 Correct 47 ms 476 KB Output is correct
64 Correct 24 ms 508 KB Output is correct
65 Correct 41 ms 504 KB Output is correct
66 Correct 58 ms 504 KB Output is correct
67 Correct 78 ms 536 KB Output is correct
68 Correct 163 ms 504 KB Output is correct
69 Correct 73 ms 504 KB Output is correct