Submission #38463

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
38463	2018-01-04T09:05:05 Z	MrPlany	Bootfall (IZhO17_bootfall)	C++11	13 / 100	109 ms	5112 KB

bootfall

//Bismillahi-rahmani-rahim

#include <bits/stdc++.h>
#include <algorithm>
using namespace std;

typedef long long  ll;
typedef map <int, int> mii;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
const int inf=1e9;

#define azdar priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>>
#define Lebap ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define mp make_pair
#define pb push_back
#define pf push_front
#define pk pop_back
#define ff first
#define ss second
#define all(x) x.begin(), x.end()
//#include <conio.h>
#include <climits>
const int N = 250000;
int n;
int a[505], cnt[N+505];
int dp[N+505], d[N+505];
vector<int> ans;
int main() {
	Lebap;
	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];
    dp[0] = 1;
    for(int i=1;i<=n;i++) {
        for(int j=N;j>=0;j--) dp[j+a[i]] += dp[j];
    }
    if(sum%2!=0 || dp[sum/2]==0) return cout << "0", 0;
    for(int i=1;i<=n;i++) {
        memset(d,0,sizeof(d));
        for(int j=0;j<=N;j++) {
            d[j] += dp[j];
            d[j+a[i]] -= d[j];
        }
        for(int j=0;j<=N;j++) {
            if((sum-a[i]+j)%2==0 && sum-a[i]-j>=0 && d[(sum-a[i]-j)/2]!=0) cnt[j]++;
        }
    }
    for(int i=1;i<=N;i++) if(cnt[i]==n) ans.push_back(i);
	cout << ans.size() << endl;
    for(auto i : ans) cout << i << " ";
}

Subtask #1

6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	5112 KB	Output is correct
2	Correct	9 ms	5112 KB	Output is correct
3	Correct	0 ms	5112 KB	Output is correct
4	Correct	3 ms	5112 KB	Output is correct
5	Correct	13 ms	5112 KB	Output is correct
6	Correct	13 ms	5112 KB	Output is correct
7	Correct	9 ms	5112 KB	Output is correct
8	Correct	26 ms	5112 KB	Output is correct
9	Correct	13 ms	5112 KB	Output is correct

Subtask #2

7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	5112 KB	Output is correct
2	Correct	9 ms	5112 KB	Output is correct
3	Correct	0 ms	5112 KB	Output is correct
4	Correct	3 ms	5112 KB	Output is correct
5	Correct	13 ms	5112 KB	Output is correct
6	Correct	13 ms	5112 KB	Output is correct
7	Correct	9 ms	5112 KB	Output is correct
8	Correct	26 ms	5112 KB	Output is correct
9	Correct	13 ms	5112 KB	Output is correct
10	Correct	33 ms	5112 KB	Output is correct
11	Correct	46 ms	5112 KB	Output is correct
12	Correct	43 ms	5112 KB	Output is correct
13	Correct	36 ms	5112 KB	Output is correct
14	Correct	43 ms	5112 KB	Output is correct
15	Correct	53 ms	5112 KB	Output is correct
16	Correct	59 ms	5112 KB	Output is correct
17	Correct	33 ms	5112 KB	Output is correct
18	Correct	33 ms	5112 KB	Output is correct
19	Correct	43 ms	5112 KB	Output is correct
20	Correct	43 ms	5112 KB	Output is correct

Subtask #3

0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	5112 KB	Output is correct
2	Correct	9 ms	5112 KB	Output is correct
3	Correct	0 ms	5112 KB	Output is correct
4	Correct	3 ms	5112 KB	Output is correct
5	Correct	13 ms	5112 KB	Output is correct
6	Correct	13 ms	5112 KB	Output is correct
7	Correct	9 ms	5112 KB	Output is correct
8	Correct	26 ms	5112 KB	Output is correct
9	Correct	13 ms	5112 KB	Output is correct
10	Correct	33 ms	5112 KB	Output is correct
11	Correct	46 ms	5112 KB	Output is correct
12	Correct	43 ms	5112 KB	Output is correct
13	Correct	36 ms	5112 KB	Output is correct
14	Correct	43 ms	5112 KB	Output is correct
15	Correct	53 ms	5112 KB	Output is correct
16	Correct	59 ms	5112 KB	Output is correct
17	Correct	33 ms	5112 KB	Output is correct
18	Correct	33 ms	5112 KB	Output is correct
19	Correct	43 ms	5112 KB	Output is correct
20	Correct	43 ms	5112 KB	Output is correct
21	Correct	89 ms	5112 KB	Output is correct
22	Correct	109 ms	5112 KB	Output is correct
23	Correct	79 ms	5112 KB	Output is correct
24	Runtime error	109 ms	5112 KB	Execution killed because of forbidden syscall writev (20)
25	Halted	0 ms	0 KB	-

Subtask #4

0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	5112 KB	Output is correct
2	Correct	9 ms	5112 KB	Output is correct
3	Correct	0 ms	5112 KB	Output is correct
4	Correct	3 ms	5112 KB	Output is correct
5	Correct	13 ms	5112 KB	Output is correct
6	Correct	13 ms	5112 KB	Output is correct
7	Correct	9 ms	5112 KB	Output is correct
8	Correct	26 ms	5112 KB	Output is correct
9	Correct	13 ms	5112 KB	Output is correct
10	Correct	33 ms	5112 KB	Output is correct
11	Correct	46 ms	5112 KB	Output is correct
12	Correct	43 ms	5112 KB	Output is correct
13	Correct	36 ms	5112 KB	Output is correct
14	Correct	43 ms	5112 KB	Output is correct
15	Correct	53 ms	5112 KB	Output is correct
16	Correct	59 ms	5112 KB	Output is correct
17	Correct	33 ms	5112 KB	Output is correct
18	Correct	33 ms	5112 KB	Output is correct
19	Correct	43 ms	5112 KB	Output is correct
20	Correct	43 ms	5112 KB	Output is correct
21	Correct	89 ms	5112 KB	Output is correct
22	Correct	109 ms	5112 KB	Output is correct
23	Correct	79 ms	5112 KB	Output is correct
24	Runtime error	109 ms	5112 KB	Execution killed because of forbidden syscall writev (20)
25	Halted	0 ms	0 KB	-

Subtask #5

0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	5112 KB	Output is correct
2	Correct	9 ms	5112 KB	Output is correct
3	Correct	0 ms	5112 KB	Output is correct
4	Correct	3 ms	5112 KB	Output is correct
5	Correct	13 ms	5112 KB	Output is correct
6	Correct	13 ms	5112 KB	Output is correct
7	Correct	9 ms	5112 KB	Output is correct
8	Correct	26 ms	5112 KB	Output is correct
9	Correct	13 ms	5112 KB	Output is correct
10	Correct	33 ms	5112 KB	Output is correct
11	Correct	46 ms	5112 KB	Output is correct
12	Correct	43 ms	5112 KB	Output is correct
13	Correct	36 ms	5112 KB	Output is correct
14	Correct	43 ms	5112 KB	Output is correct
15	Correct	53 ms	5112 KB	Output is correct
16	Correct	59 ms	5112 KB	Output is correct
17	Correct	33 ms	5112 KB	Output is correct
18	Correct	33 ms	5112 KB	Output is correct
19	Correct	43 ms	5112 KB	Output is correct
20	Correct	43 ms	5112 KB	Output is correct
21	Correct	89 ms	5112 KB	Output is correct
22	Correct	109 ms	5112 KB	Output is correct
23	Correct	79 ms	5112 KB	Output is correct
24	Runtime error	109 ms	5112 KB	Execution killed because of forbidden syscall writev (20)
25	Halted	0 ms	0 KB	-

Subtask #6

0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	5112 KB	Output is correct
2	Correct	9 ms	5112 KB	Output is correct
3	Correct	0 ms	5112 KB	Output is correct
4	Correct	3 ms	5112 KB	Output is correct
5	Correct	13 ms	5112 KB	Output is correct
6	Correct	13 ms	5112 KB	Output is correct
7	Correct	9 ms	5112 KB	Output is correct
8	Correct	26 ms	5112 KB	Output is correct
9	Correct	13 ms	5112 KB	Output is correct
10	Correct	33 ms	5112 KB	Output is correct
11	Correct	46 ms	5112 KB	Output is correct
12	Correct	43 ms	5112 KB	Output is correct
13	Correct	36 ms	5112 KB	Output is correct
14	Correct	43 ms	5112 KB	Output is correct
15	Correct	53 ms	5112 KB	Output is correct
16	Correct	59 ms	5112 KB	Output is correct
17	Correct	33 ms	5112 KB	Output is correct
18	Correct	33 ms	5112 KB	Output is correct
19	Correct	43 ms	5112 KB	Output is correct
20	Correct	43 ms	5112 KB	Output is correct
21	Correct	89 ms	5112 KB	Output is correct
22	Correct	109 ms	5112 KB	Output is correct
23	Correct	79 ms	5112 KB	Output is correct
24	Runtime error	109 ms	5112 KB	Execution killed because of forbidden syscall writev (20)
25	Halted	0 ms	0 KB	-