oj.uz

답안 #37162

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
37162 2017-12-21T16:48:25 Z chonka Bootfall (IZhO17_bootfall) C++
100 / 100
 476 ms 7888 KB 
#include<iostream>
#include<stdio.h>
#include<vector>
using namespace std ;

#define MAXN 507

int n ;
int a[ MAXN ] ;

long long f[ MAXN * MAXN ] ;
long long w[ MAXN * MAXN ] ;

int ans[ MAXN * MAXN ] ;

int sm ;

void input ( ) {
    scanf ( "%d" , &n ) ;
    int i , j ;
    f[ 0 ] = 1 ;
    sm = 0 ;
    for ( i = 1 ; i <= n ; i ++ ) {
        scanf ( "%d" , &a[ i ] ) ;
        for ( j = sm ; j >= 0 ; j -- ) {
            f[ j + a[ i ] ] += f[ j ] ;
        }
        sm += a[ i ] ;
    }
}

void solve ( ) {
    int i , j ;
    if ( ( sm % 2 ) != 0 ) { printf ( "0\n" ) ; return ; }
    if ( f[ ( sm / 2 ) ] == 0 ) { printf ( "0\n" ) ; return ; }
    for ( i = 1 ; i <= n ; i ++ ) {
        for ( j = 0 ; j <= sm ; j ++ ) {
            w[ j ] = f[ j ] ;
        }
        for ( j = a[ i ] ; j <= sm ; j ++ ) {
            w[ j ] -= w[ j - a[ i ] ] ;
        }
        for ( j = 1 ; j <= sm ; j ++ ) {
            int p = ( sm + j - a[ i ] ) ;
            if ( ( p % 2 ) != 0 ) { continue ; }
            p /= 2 ;
            if ( w[ p ] != 0 ) { ans[ j ] ++ ; }
        }
    }
    vector < int > ret ;
    for ( i = 1 ; i <= sm ; i ++ ) {
        if ( ans[ i ] == n ) { ret.push_back ( i ) ; }
    }
    int sz = ret.size ( ) ;
    printf ( "%d\n" , sz ) ;
    for ( i = 0 ; i < sz ; i ++ ) {
        printf ( "%d " , ret[ i ] ) ;
    }
    printf ( "\n" ) ;
}

int main ( ) {
    input ( ) ;
    solve ( ) ;
    return 0 ;
}

Compilation message

bootfall.cpp: In function 'void input()':
bootfall.cpp:19:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf ( "%d" , &n ) ;
                         ^
bootfall.cpp:24:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf ( "%d" , &a[ i ] ) ;
                                  ^

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 7036 KB Output is correct
2 Correct 0 ms 7036 KB Output is correct
3 Correct 0 ms 7036 KB Output is correct
4 Correct 0 ms 7036 KB Output is correct
5 Correct 0 ms 7036 KB Output is correct
6 Correct 0 ms 7036 KB Output is correct
7 Correct 0 ms 7036 KB Output is correct
8 Correct 0 ms 7036 KB Output is correct
9 Correct 0 ms 7036 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 7036 KB Output is correct
2 Correct 0 ms 7036 KB Output is correct
3 Correct 0 ms 7036 KB Output is correct
4 Correct 0 ms 7036 KB Output is correct
5 Correct 0 ms 7036 KB Output is correct
6 Correct 0 ms 7036 KB Output is correct
7 Correct 0 ms 7036 KB Output is correct
8 Correct 0 ms 7036 KB Output is correct
9 Correct 0 ms 7036 KB Output is correct
10 Correct 0 ms 7036 KB Output is correct
11 Correct 0 ms 7036 KB Output is correct
12 Correct 0 ms 7036 KB Output is correct
13 Correct 0 ms 7036 KB Output is correct
14 Correct 0 ms 7036 KB Output is correct
15 Correct 0 ms 7036 KB Output is correct
16 Correct 0 ms 7036 KB Output is correct
17 Correct 0 ms 7036 KB Output is correct
18 Correct 0 ms 7036 KB Output is correct
19 Correct 0 ms 7036 KB Output is correct
20 Correct 0 ms 7036 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 7036 KB Output is correct
2 Correct 0 ms 7036 KB Output is correct
3 Correct 0 ms 7036 KB Output is correct
4 Correct 0 ms 7036 KB Output is correct
5 Correct 0 ms 7036 KB Output is correct
6 Correct 0 ms 7036 KB Output is correct
7 Correct 0 ms 7036 KB Output is correct
8 Correct 0 ms 7036 KB Output is correct
9 Correct 0 ms 7036 KB Output is correct
10 Correct 0 ms 7036 KB Output is correct
11 Correct 0 ms 7036 KB Output is correct
12 Correct 0 ms 7036 KB Output is correct
13 Correct 0 ms 7036 KB Output is correct
14 Correct 0 ms 7036 KB Output is correct
15 Correct 0 ms 7036 KB Output is correct
16 Correct 0 ms 7036 KB Output is correct
17 Correct 0 ms 7036 KB Output is correct
18 Correct 0 ms 7036 KB Output is correct
19 Correct 0 ms 7036 KB Output is correct
20 Correct 0 ms 7036 KB Output is correct
21 Correct 0 ms 7036 KB Output is correct
22 Correct 0 ms 7036 KB Output is correct
23 Correct 0 ms 7036 KB Output is correct
24 Correct 0 ms 7036 KB Output is correct
25 Correct 3 ms 7036 KB Output is correct
26 Correct 3 ms 7036 KB Output is correct
27 Correct 3 ms 7036 KB Output is correct
28 Correct 3 ms 7036 KB Output is correct
29 Correct 3 ms 7036 KB Output is correct
30 Correct 0 ms 7036 KB Output is correct
31 Correct 3 ms 7036 KB Output is correct
32 Correct 0 ms 7036 KB Output is correct
33 Correct 3 ms 7036 KB Output is correct
34 Correct 3 ms 7036 KB Output is correct
35 Correct 3 ms 7036 KB Output is correct
36 Correct 0 ms 7036 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 7036 KB Output is correct
2 Correct 0 ms 7036 KB Output is correct
3 Correct 0 ms 7036 KB Output is correct
4 Correct 0 ms 7036 KB Output is correct
5 Correct 0 ms 7036 KB Output is correct
6 Correct 0 ms 7036 KB Output is correct
7 Correct 0 ms 7036 KB Output is correct
8 Correct 0 ms 7036 KB Output is correct
9 Correct 0 ms 7036 KB Output is correct
10 Correct 0 ms 7036 KB Output is correct
11 Correct 0 ms 7036 KB Output is correct
12 Correct 0 ms 7036 KB Output is correct
13 Correct 0 ms 7036 KB Output is correct
14 Correct 0 ms 7036 KB Output is correct
15 Correct 0 ms 7036 KB Output is correct
16 Correct 0 ms 7036 KB Output is correct
17 Correct 0 ms 7036 KB Output is correct
18 Correct 0 ms 7036 KB Output is correct
19 Correct 0 ms 7036 KB Output is correct
20 Correct 0 ms 7036 KB Output is correct
21 Correct 0 ms 7036 KB Output is correct
22 Correct 0 ms 7036 KB Output is correct
23 Correct 0 ms 7036 KB Output is correct
24 Correct 0 ms 7036 KB Output is correct
25 Correct 3 ms 7036 KB Output is correct
26 Correct 3 ms 7036 KB Output is correct
27 Correct 3 ms 7036 KB Output is correct
28 Correct 3 ms 7036 KB Output is correct
29 Correct 3 ms 7036 KB Output is correct
30 Correct 0 ms 7036 KB Output is correct
31 Correct 3 ms 7036 KB Output is correct
32 Correct 0 ms 7036 KB Output is correct
33 Correct 3 ms 7036 KB Output is correct
34 Correct 3 ms 7036 KB Output is correct
35 Correct 3 ms 7036 KB Output is correct
36 Correct 0 ms 7036 KB Output is correct
37 Correct 13 ms 7176 KB Output is correct
38 Correct 13 ms 7176 KB Output is correct
39 Correct 56 ms 7036 KB Output is correct
40 Correct 36 ms 7176 KB Output is correct
41 Correct 73 ms 7036 KB Output is correct
42 Correct 26 ms 7176 KB Output is correct
43 Correct 56 ms 7308 KB Output is correct
44 Correct 46 ms 7308 KB Output is correct
45 Correct 56 ms 7308 KB Output is correct
46 Correct 39 ms 7036 KB Output is correct
47 Correct 39 ms 7176 KB Output is correct
48 Correct 66 ms 7308 KB Output is correct
49 Correct 66 ms 7176 KB Output is correct
50 Correct 29 ms 7176 KB Output is correct
51 Correct 3 ms 7036 KB Output is correct
52 Correct 76 ms 7308 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 7036 KB Output is correct
2 Correct 0 ms 7036 KB Output is correct
3 Correct 0 ms 7036 KB Output is correct
4 Correct 0 ms 7036 KB Output is correct
5 Correct 0 ms 7036 KB Output is correct
6 Correct 0 ms 7036 KB Output is correct
7 Correct 0 ms 7036 KB Output is correct
8 Correct 0 ms 7036 KB Output is correct
9 Correct 0 ms 7036 KB Output is correct
10 Correct 0 ms 7036 KB Output is correct
11 Correct 0 ms 7036 KB Output is correct
12 Correct 0 ms 7036 KB Output is correct
13 Correct 0 ms 7036 KB Output is correct
14 Correct 0 ms 7036 KB Output is correct
15 Correct 0 ms 7036 KB Output is correct
16 Correct 0 ms 7036 KB Output is correct
17 Correct 0 ms 7036 KB Output is correct
18 Correct 0 ms 7036 KB Output is correct
19 Correct 0 ms 7036 KB Output is correct
20 Correct 0 ms 7036 KB Output is correct
21 Correct 0 ms 7036 KB Output is correct
22 Correct 0 ms 7036 KB Output is correct
23 Correct 0 ms 7036 KB Output is correct
24 Correct 0 ms 7036 KB Output is correct
25 Correct 3 ms 7036 KB Output is correct
26 Correct 3 ms 7036 KB Output is correct
27 Correct 3 ms 7036 KB Output is correct
28 Correct 3 ms 7036 KB Output is correct
29 Correct 3 ms 7036 KB Output is correct
30 Correct 0 ms 7036 KB Output is correct
31 Correct 3 ms 7036 KB Output is correct
32 Correct 0 ms 7036 KB Output is correct
33 Correct 3 ms 7036 KB Output is correct
34 Correct 3 ms 7036 KB Output is correct
35 Correct 3 ms 7036 KB Output is correct
36 Correct 0 ms 7036 KB Output is correct
37 Correct 13 ms 7176 KB Output is correct
38 Correct 13 ms 7176 KB Output is correct
39 Correct 56 ms 7036 KB Output is correct
40 Correct 36 ms 7176 KB Output is correct
41 Correct 73 ms 7036 KB Output is correct
42 Correct 26 ms 7176 KB Output is correct
43 Correct 56 ms 7308 KB Output is correct
44 Correct 46 ms 7308 KB Output is correct
45 Correct 56 ms 7308 KB Output is correct
46 Correct 39 ms 7036 KB Output is correct
47 Correct 39 ms 7176 KB Output is correct
48 Correct 66 ms 7308 KB Output is correct
49 Correct 66 ms 7176 KB Output is correct
50 Correct 29 ms 7176 KB Output is correct
51 Correct 3 ms 7036 KB Output is correct
52 Correct 76 ms 7308 KB Output is correct
53 Correct 56 ms 7308 KB Output is correct
54 Correct 83 ms 7308 KB Output is correct
55 Correct 163 ms 7504 KB Output is correct
56 Correct 66 ms 7308 KB Output is correct
57 Correct 163 ms 7504 KB Output is correct
58 Correct 89 ms 7308 KB Output is correct
59 Correct 96 ms 7504 KB Output is correct
60 Correct 13 ms 7036 KB Output is correct
61 Correct 116 ms 7504 KB Output is correct
62 Correct 116 ms 7504 KB Output is correct
63 Correct 119 ms 7504 KB Output is correct
64 Correct 149 ms 7504 KB Output is correct
65 Correct 66 ms 7036 KB Output is correct
66 Correct 73 ms 7176 KB Output is correct

Subtask #6
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 7036 KB Output is correct
2 Correct 0 ms 7036 KB Output is correct
3 Correct 0 ms 7036 KB Output is correct
4 Correct 0 ms 7036 KB Output is correct
5 Correct 0 ms 7036 KB Output is correct
6 Correct 0 ms 7036 KB Output is correct
7 Correct 0 ms 7036 KB Output is correct
8 Correct 0 ms 7036 KB Output is correct
9 Correct 0 ms 7036 KB Output is correct
10 Correct 0 ms 7036 KB Output is correct
11 Correct 0 ms 7036 KB Output is correct
12 Correct 0 ms 7036 KB Output is correct
13 Correct 0 ms 7036 KB Output is correct
14 Correct 0 ms 7036 KB Output is correct
15 Correct 0 ms 7036 KB Output is correct
16 Correct 0 ms 7036 KB Output is correct
17 Correct 0 ms 7036 KB Output is correct
18 Correct 0 ms 7036 KB Output is correct
19 Correct 0 ms 7036 KB Output is correct
20 Correct 0 ms 7036 KB Output is correct
21 Correct 0 ms 7036 KB Output is correct
22 Correct 0 ms 7036 KB Output is correct
23 Correct 0 ms 7036 KB Output is correct
24 Correct 0 ms 7036 KB Output is correct
25 Correct 3 ms 7036 KB Output is correct
26 Correct 3 ms 7036 KB Output is correct
27 Correct 3 ms 7036 KB Output is correct
28 Correct 3 ms 7036 KB Output is correct
29 Correct 3 ms 7036 KB Output is correct
30 Correct 0 ms 7036 KB Output is correct
31 Correct 3 ms 7036 KB Output is correct
32 Correct 0 ms 7036 KB Output is correct
33 Correct 3 ms 7036 KB Output is correct
34 Correct 3 ms 7036 KB Output is correct
35 Correct 3 ms 7036 KB Output is correct
36 Correct 0 ms 7036 KB Output is correct
37 Correct 13 ms 7176 KB Output is correct
38 Correct 13 ms 7176 KB Output is correct
39 Correct 56 ms 7036 KB Output is correct
40 Correct 36 ms 7176 KB Output is correct
41 Correct 73 ms 7036 KB Output is correct
42 Correct 26 ms 7176 KB Output is correct
43 Correct 56 ms 7308 KB Output is correct
44 Correct 46 ms 7308 KB Output is correct
45 Correct 56 ms 7308 KB Output is correct
46 Correct 39 ms 7036 KB Output is correct
47 Correct 39 ms 7176 KB Output is correct
48 Correct 66 ms 7308 KB Output is correct
49 Correct 66 ms 7176 KB Output is correct
50 Correct 29 ms 7176 KB Output is correct
51 Correct 3 ms 7036 KB Output is correct
52 Correct 76 ms 7308 KB Output is correct
53 Correct 56 ms 7308 KB Output is correct
54 Correct 83 ms 7308 KB Output is correct
55 Correct 163 ms 7504 KB Output is correct
56 Correct 66 ms 7308 KB Output is correct
57 Correct 163 ms 7504 KB Output is correct
58 Correct 89 ms 7308 KB Output is correct
59 Correct 96 ms 7504 KB Output is correct
60 Correct 13 ms 7036 KB Output is correct
61 Correct 116 ms 7504 KB Output is correct
62 Correct 116 ms 7504 KB Output is correct
63 Correct 119 ms 7504 KB Output is correct
64 Correct 149 ms 7504 KB Output is correct
65 Correct 66 ms 7036 KB Output is correct
66 Correct 73 ms 7176 KB Output is correct
67 Correct 109 ms 7504 KB Output is correct
68 Correct 36 ms 7036 KB Output is correct
69 Correct 436 ms 7888 KB Output is correct
70 Correct 236 ms 7504 KB Output is correct
71 Correct 226 ms 7504 KB Output is correct
72 Correct 226 ms 7036 KB Output is correct
73 Correct 216 ms 7036 KB Output is correct
74 Correct 433 ms 7888 KB Output is correct
75 Correct 323 ms 7888 KB Output is correct
76 Correct 476 ms 7888 KB Output is correct
77 Correct 476 ms 7888 KB Output is correct