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답안 #173186

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
173186 2020-01-03T14:41:25 Z DeD_TihoN Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 6904 KB 
#pragma GCC optimize ("O3")
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define ll long long
#define ld long double
#define all(a) a.begin(),a.end()
#define ull unsigned long long
#define endl '\n'
#define y1 yaumru
#define ios ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define iter vector<int>::iterator
using namespace std;
using namespace __gnu_pbds;

template<class T>
using ordered_set=tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;

template<class T>
using ordered_multiset=tree<T,null_type,less_equal<T>,rb_tree_tag,tree_order_statistics_node_update>;

mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rnd1(chrono::steady_clock::now().time_since_epoch().count());

//find_by_order
//order_of_key

const int N=500+1;
const int inf=1e9+1e9;
const int mod=1e9+7;
const ld eps=1e-9;
const int M=122500+1;

bitset<M>dp[N];
int a[N];

main ()
{
    ios;
    int n;
    cin>>n;
    for (int i=1;i<=n;++i){
        cin>>a[i];
    }
    int sum=0;
    for (int i=1;i<=n;++i){
        sum+=a[i];
    }
    if (sum%2==1){
        cout<<0<<endl;
        exit(0);
    }
    for (int i=0;i<=n;++i){
        dp[i][0]=1;
        for (int j=1;j<=n;++j){
            if (j==i)continue;
            bitset<M>f=(dp[i]<<a[j]);
            dp[i]=(dp[i]|f);
        }
    }
    vector<int>ans;
    if (dp[0][sum/2]==0){
        cout<<0<<endl;
        exit(0);
    }
    for (int i=1;i<=M;++i){
        bool cc=true;
        for (int j=1;j<=n;++j){
            if ((sum-a[j]+i)%2==1){
                cc=false;
                break;
            }
            if ((sum-a[j]+i)%2==0){
                if (dp[j][(sum-a[j]+i)/2]==0){
                    cc=false;
                    break;
                }
            }
        }
        if (cc)ans.pb(i);
    }
    cout<<(int)ans.size()<<endl;
    for (int i=0;i<ans.size();++i){
        cout<<ans[i]<<' ';
    }
}

Compilation message

bootfall.cpp:41:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main ()
       ^
bootfall.cpp: In function 'int main()':
bootfall.cpp:87:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0;i<ans.size();++i){
                  ~^~~~~~~~~~~

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 532 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 404 KB Output is correct
5 Correct 3 ms 552 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 508 KB Output is correct
8 Correct 3 ms 528 KB Output is correct
9 Correct 3 ms 524 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 532 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 404 KB Output is correct
5 Correct 3 ms 552 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 508 KB Output is correct
8 Correct 3 ms 528 KB Output is correct
9 Correct 3 ms 524 KB Output is correct
10 Correct 9 ms 892 KB Output is correct
11 Correct 8 ms 888 KB Output is correct
12 Correct 8 ms 888 KB Output is correct
13 Correct 7 ms 732 KB Output is correct
14 Correct 8 ms 784 KB Output is correct
15 Correct 8 ms 864 KB Output is correct
16 Correct 9 ms 892 KB Output is correct
17 Correct 5 ms 632 KB Output is correct
18 Correct 7 ms 736 KB Output is correct
19 Correct 7 ms 760 KB Output is correct
20 Correct 9 ms 776 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 532 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 404 KB Output is correct
5 Correct 3 ms 552 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 508 KB Output is correct
8 Correct 3 ms 528 KB Output is correct
9 Correct 3 ms 524 KB Output is correct
10 Correct 9 ms 892 KB Output is correct
11 Correct 8 ms 888 KB Output is correct
12 Correct 8 ms 888 KB Output is correct
13 Correct 7 ms 732 KB Output is correct
14 Correct 8 ms 784 KB Output is correct
15 Correct 8 ms 864 KB Output is correct
16 Correct 9 ms 892 KB Output is correct
17 Correct 5 ms 632 KB Output is correct
18 Correct 7 ms 736 KB Output is correct
19 Correct 7 ms 760 KB Output is correct
20 Correct 9 ms 776 KB Output is correct
21 Correct 29 ms 1424 KB Output is correct
22 Correct 38 ms 1528 KB Output is correct
23 Correct 19 ms 1144 KB Output is correct
24 Correct 60 ms 1868 KB Output is correct
25 Correct 60 ms 1888 KB Output is correct
26 Correct 68 ms 1940 KB Output is correct
27 Correct 67 ms 1904 KB Output is correct
28 Correct 68 ms 1968 KB Output is correct
29 Correct 67 ms 1888 KB Output is correct
30 Correct 65 ms 1912 KB Output is correct
31 Correct 67 ms 2008 KB Output is correct
32 Correct 68 ms 1884 KB Output is correct
33 Correct 68 ms 1888 KB Output is correct
34 Correct 70 ms 1840 KB Output is correct
35 Correct 67 ms 1864 KB Output is correct
36 Correct 68 ms 1936 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 532 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 404 KB Output is correct
5 Correct 3 ms 552 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 508 KB Output is correct
8 Correct 3 ms 528 KB Output is correct
9 Correct 3 ms 524 KB Output is correct
10 Correct 9 ms 892 KB Output is correct
11 Correct 8 ms 888 KB Output is correct
12 Correct 8 ms 888 KB Output is correct
13 Correct 7 ms 732 KB Output is correct
14 Correct 8 ms 784 KB Output is correct
15 Correct 8 ms 864 KB Output is correct
16 Correct 9 ms 892 KB Output is correct
17 Correct 5 ms 632 KB Output is correct
18 Correct 7 ms 736 KB Output is correct
19 Correct 7 ms 760 KB Output is correct
20 Correct 9 ms 776 KB Output is correct
21 Correct 29 ms 1424 KB Output is correct
22 Correct 38 ms 1528 KB Output is correct
23 Correct 19 ms 1144 KB Output is correct
24 Correct 60 ms 1868 KB Output is correct
25 Correct 60 ms 1888 KB Output is correct
26 Correct 68 ms 1940 KB Output is correct
27 Correct 67 ms 1904 KB Output is correct
28 Correct 68 ms 1968 KB Output is correct
29 Correct 67 ms 1888 KB Output is correct
30 Correct 65 ms 1912 KB Output is correct
31 Correct 67 ms 2008 KB Output is correct
32 Correct 68 ms 1884 KB Output is correct
33 Correct 68 ms 1888 KB Output is correct
34 Correct 70 ms 1840 KB Output is correct
35 Correct 67 ms 1864 KB Output is correct
36 Correct 68 ms 1936 KB Output is correct
37 Correct 260 ms 3572 KB Output is correct
38 Correct 266 ms 3576 KB Output is correct
39 Correct 395 ms 4060 KB Output is correct
40 Correct 476 ms 4632 KB Output is correct
41 Correct 458 ms 4396 KB Output is correct
42 Correct 414 ms 4344 KB Output is correct
43 Correct 403 ms 4392 KB Output is correct
44 Correct 431 ms 4564 KB Output is correct
45 Correct 419 ms 4536 KB Output is correct
46 Correct 456 ms 4424 KB Output is correct
47 Correct 410 ms 4368 KB Output is correct
48 Correct 418 ms 4496 KB Output is correct
49 Correct 397 ms 4220 KB Output is correct
50 Correct 416 ms 4452 KB Output is correct
51 Correct 2 ms 348 KB Output is correct
52 Correct 494 ms 4952 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 532 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 404 KB Output is correct
5 Correct 3 ms 552 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 508 KB Output is correct
8 Correct 3 ms 528 KB Output is correct
9 Correct 3 ms 524 KB Output is correct
10 Correct 9 ms 892 KB Output is correct
11 Correct 8 ms 888 KB Output is correct
12 Correct 8 ms 888 KB Output is correct
13 Correct 7 ms 732 KB Output is correct
14 Correct 8 ms 784 KB Output is correct
15 Correct 8 ms 864 KB Output is correct
16 Correct 9 ms 892 KB Output is correct
17 Correct 5 ms 632 KB Output is correct
18 Correct 7 ms 736 KB Output is correct
19 Correct 7 ms 760 KB Output is correct
20 Correct 9 ms 776 KB Output is correct
21 Correct 29 ms 1424 KB Output is correct
22 Correct 38 ms 1528 KB Output is correct
23 Correct 19 ms 1144 KB Output is correct
24 Correct 60 ms 1868 KB Output is correct
25 Correct 60 ms 1888 KB Output is correct
26 Correct 68 ms 1940 KB Output is correct
27 Correct 67 ms 1904 KB Output is correct
28 Correct 68 ms 1968 KB Output is correct
29 Correct 67 ms 1888 KB Output is correct
30 Correct 65 ms 1912 KB Output is correct
31 Correct 67 ms 2008 KB Output is correct
32 Correct 68 ms 1884 KB Output is correct
33 Correct 68 ms 1888 KB Output is correct
34 Correct 70 ms 1840 KB Output is correct
35 Correct 67 ms 1864 KB Output is correct
36 Correct 68 ms 1936 KB Output is correct
37 Correct 260 ms 3572 KB Output is correct
38 Correct 266 ms 3576 KB Output is correct
39 Correct 395 ms 4060 KB Output is correct
40 Correct 476 ms 4632 KB Output is correct
41 Correct 458 ms 4396 KB Output is correct
42 Correct 414 ms 4344 KB Output is correct
43 Correct 403 ms 4392 KB Output is correct
44 Correct 431 ms 4564 KB Output is correct
45 Correct 419 ms 4536 KB Output is correct
46 Correct 456 ms 4424 KB Output is correct
47 Correct 410 ms 4368 KB Output is correct
48 Correct 418 ms 4496 KB Output is correct
49 Correct 397 ms 4220 KB Output is correct
50 Correct 416 ms 4452 KB Output is correct
51 Correct 2 ms 348 KB Output is correct
52 Correct 494 ms 4952 KB Output is correct
53 Correct 600 ms 5372 KB Output is correct
54 Correct 800 ms 6096 KB Output is correct
55 Correct 839 ms 6376 KB Output is correct
56 Correct 616 ms 5496 KB Output is correct
57 Correct 844 ms 6324 KB Output is correct
58 Correct 805 ms 6248 KB Output is correct
59 Correct 813 ms 6160 KB Output is correct
60 Correct 2 ms 296 KB Output is correct
61 Correct 819 ms 6240 KB Output is correct
62 Correct 694 ms 5844 KB Output is correct
63 Correct 706 ms 5792 KB Output is correct
64 Correct 671 ms 5808 KB Output is correct
65 Correct 630 ms 5196 KB Output is correct
66 Correct 611 ms 5156 KB Output is correct

Subtask #6
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 532 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 404 KB Output is correct
5 Correct 3 ms 552 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 508 KB Output is correct
8 Correct 3 ms 528 KB Output is correct
9 Correct 3 ms 524 KB Output is correct
10 Correct 9 ms 892 KB Output is correct
11 Correct 8 ms 888 KB Output is correct
12 Correct 8 ms 888 KB Output is correct
13 Correct 7 ms 732 KB Output is correct
14 Correct 8 ms 784 KB Output is correct
15 Correct 8 ms 864 KB Output is correct
16 Correct 9 ms 892 KB Output is correct
17 Correct 5 ms 632 KB Output is correct
18 Correct 7 ms 736 KB Output is correct
19 Correct 7 ms 760 KB Output is correct
20 Correct 9 ms 776 KB Output is correct
21 Correct 29 ms 1424 KB Output is correct
22 Correct 38 ms 1528 KB Output is correct
23 Correct 19 ms 1144 KB Output is correct
24 Correct 60 ms 1868 KB Output is correct
25 Correct 60 ms 1888 KB Output is correct
26 Correct 68 ms 1940 KB Output is correct
27 Correct 67 ms 1904 KB Output is correct
28 Correct 68 ms 1968 KB Output is correct
29 Correct 67 ms 1888 KB Output is correct
30 Correct 65 ms 1912 KB Output is correct
31 Correct 67 ms 2008 KB Output is correct
32 Correct 68 ms 1884 KB Output is correct
33 Correct 68 ms 1888 KB Output is correct
34 Correct 70 ms 1840 KB Output is correct
35 Correct 67 ms 1864 KB Output is correct
36 Correct 68 ms 1936 KB Output is correct
37 Correct 260 ms 3572 KB Output is correct
38 Correct 266 ms 3576 KB Output is correct
39 Correct 395 ms 4060 KB Output is correct
40 Correct 476 ms 4632 KB Output is correct
41 Correct 458 ms 4396 KB Output is correct
42 Correct 414 ms 4344 KB Output is correct
43 Correct 403 ms 4392 KB Output is correct
44 Correct 431 ms 4564 KB Output is correct
45 Correct 419 ms 4536 KB Output is correct
46 Correct 456 ms 4424 KB Output is correct
47 Correct 410 ms 4368 KB Output is correct
48 Correct 418 ms 4496 KB Output is correct
49 Correct 397 ms 4220 KB Output is correct
50 Correct 416 ms 4452 KB Output is correct
51 Correct 2 ms 348 KB Output is correct
52 Correct 494 ms 4952 KB Output is correct
53 Correct 600 ms 5372 KB Output is correct
54 Correct 800 ms 6096 KB Output is correct
55 Correct 839 ms 6376 KB Output is correct
56 Correct 616 ms 5496 KB Output is correct
57 Correct 844 ms 6324 KB Output is correct
58 Correct 805 ms 6248 KB Output is correct
59 Correct 813 ms 6160 KB Output is correct
60 Correct 2 ms 296 KB Output is correct
61 Correct 819 ms 6240 KB Output is correct
62 Correct 694 ms 5844 KB Output is correct
63 Correct 706 ms 5792 KB Output is correct
64 Correct 671 ms 5808 KB Output is correct
65 Correct 630 ms 5196 KB Output is correct
66 Correct 611 ms 5156 KB Output is correct
67 Execution timed out 1056 ms 6904 KB Time limit exceeded
68 Halted 0 ms 0 KB -