답안 #343763

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
343763 2021-01-04T13:07:19 Z Kalashnikov Bootfall (IZhO17_bootfall) C++17
44 / 100
1000 ms 1004 KB
#include <bits/stdc++.h>
 
#define ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
#define all(a) a.begin() , a.end()
#define F first
#define S second
 
using namespace std;
using ll = long long;
 
const int N = 500+5 , inf = 2e9 + 7;
const ll INF = 1e18 ,   mod = 1e9+7 , P = 6547;

int a[N];
bitset<500*500>  b1 , b2 , b3;


void solve() {
	int n;
	cin >> n;
	int sum = 0;
	int cnt[2];
	cnt[0]=cnt[1]=0;
	for(int i = 1; i <= n; i ++) {
		cin >> a[i];
		sum += a[i];
		cnt[a[i]%2] = 1;
	}
	if(sum%2 || cnt[0]==cnt[1]) {
		cout << 0;
		return;
	}
	set<int> st;
	for(int i = 0; i <= n; i ++) {
		b3 &= 0;
		for(int j = 1; j <= n; j ++) {
			if(i == j) continue;
			if(i == 0) {
				b2 = (b2 | (b2 << a[j]) );
				b2[a[j]] = 1;
			}
			else {
				b3 = (b3 | (b3 << a[j]) );
				b3[a[j]] = 1;
			}
		}
		if(i) b3 <<= a[i]/2;
		if(i == 1) b1 = b3;
		if(i > 1) b1 &= b3;
	}
	if(!b2[sum/2]) {
		cout << 0;
		return;
	}
	vector<int> ans;
	int sta = 0;
	if(cnt[1]) sta = 1;
	for(int i = sta; i <= sum; i += 2) {
		int cur = (sum+i)/2;
		if(b1[cur]) ans.push_back(i);
	}
	sort(all(ans));
	cout << ans.size() << '\n';
	for(auto to: ans) {
		cout << to << ' ';
	}
}
/*
1 2 1 2   2


*/
main() {
    ios;
    int tt = 1;
    //cin >> tt;
    while(tt --) {
        solve();
    }
    return 0;
}

Compilation message

bootfall.cpp:74:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   74 | main() {
      |      ^
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 3 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 3 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 13 ms 492 KB Output is correct
11 Correct 13 ms 492 KB Output is correct
12 Correct 13 ms 492 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 11 ms 492 KB Output is correct
15 Correct 11 ms 492 KB Output is correct
16 Correct 12 ms 492 KB Output is correct
17 Correct 5 ms 492 KB Output is correct
18 Correct 9 ms 492 KB Output is correct
19 Correct 10 ms 492 KB Output is correct
20 Correct 14 ms 492 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 3 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 13 ms 492 KB Output is correct
11 Correct 13 ms 492 KB Output is correct
12 Correct 13 ms 492 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 11 ms 492 KB Output is correct
15 Correct 11 ms 492 KB Output is correct
16 Correct 12 ms 492 KB Output is correct
17 Correct 5 ms 492 KB Output is correct
18 Correct 9 ms 492 KB Output is correct
19 Correct 10 ms 492 KB Output is correct
20 Correct 14 ms 492 KB Output is correct
21 Correct 54 ms 492 KB Output is correct
22 Correct 73 ms 492 KB Output is correct
23 Correct 33 ms 620 KB Output is correct
24 Correct 116 ms 492 KB Output is correct
25 Correct 125 ms 620 KB Output is correct
26 Correct 130 ms 640 KB Output is correct
27 Correct 130 ms 492 KB Output is correct
28 Correct 130 ms 620 KB Output is correct
29 Correct 136 ms 544 KB Output is correct
30 Correct 1 ms 492 KB Output is correct
31 Correct 143 ms 492 KB Output is correct
32 Correct 133 ms 492 KB Output is correct
33 Correct 133 ms 620 KB Output is correct
34 Correct 133 ms 620 KB Output is correct
35 Correct 134 ms 492 KB Output is correct
36 Correct 132 ms 696 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 3 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 13 ms 492 KB Output is correct
11 Correct 13 ms 492 KB Output is correct
12 Correct 13 ms 492 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 11 ms 492 KB Output is correct
15 Correct 11 ms 492 KB Output is correct
16 Correct 12 ms 492 KB Output is correct
17 Correct 5 ms 492 KB Output is correct
18 Correct 9 ms 492 KB Output is correct
19 Correct 10 ms 492 KB Output is correct
20 Correct 14 ms 492 KB Output is correct
21 Correct 54 ms 492 KB Output is correct
22 Correct 73 ms 492 KB Output is correct
23 Correct 33 ms 620 KB Output is correct
24 Correct 116 ms 492 KB Output is correct
25 Correct 125 ms 620 KB Output is correct
26 Correct 130 ms 640 KB Output is correct
27 Correct 130 ms 492 KB Output is correct
28 Correct 130 ms 620 KB Output is correct
29 Correct 136 ms 544 KB Output is correct
30 Correct 1 ms 492 KB Output is correct
31 Correct 143 ms 492 KB Output is correct
32 Correct 133 ms 492 KB Output is correct
33 Correct 133 ms 620 KB Output is correct
34 Correct 133 ms 620 KB Output is correct
35 Correct 134 ms 492 KB Output is correct
36 Correct 132 ms 696 KB Output is correct
37 Correct 522 ms 620 KB Output is correct
38 Correct 526 ms 748 KB Output is correct
39 Correct 797 ms 544 KB Output is correct
40 Correct 954 ms 672 KB Output is correct
41 Correct 977 ms 620 KB Output is correct
42 Correct 895 ms 672 KB Output is correct
43 Correct 766 ms 1004 KB Output is correct
44 Correct 814 ms 928 KB Output is correct
45 Correct 813 ms 1004 KB Output is correct
46 Correct 974 ms 492 KB Output is correct
47 Correct 827 ms 748 KB Output is correct
48 Correct 813 ms 748 KB Output is correct
49 Correct 807 ms 620 KB Output is correct
50 Correct 823 ms 748 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 944 ms 1004 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 3 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 13 ms 492 KB Output is correct
11 Correct 13 ms 492 KB Output is correct
12 Correct 13 ms 492 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 11 ms 492 KB Output is correct
15 Correct 11 ms 492 KB Output is correct
16 Correct 12 ms 492 KB Output is correct
17 Correct 5 ms 492 KB Output is correct
18 Correct 9 ms 492 KB Output is correct
19 Correct 10 ms 492 KB Output is correct
20 Correct 14 ms 492 KB Output is correct
21 Correct 54 ms 492 KB Output is correct
22 Correct 73 ms 492 KB Output is correct
23 Correct 33 ms 620 KB Output is correct
24 Correct 116 ms 492 KB Output is correct
25 Correct 125 ms 620 KB Output is correct
26 Correct 130 ms 640 KB Output is correct
27 Correct 130 ms 492 KB Output is correct
28 Correct 130 ms 620 KB Output is correct
29 Correct 136 ms 544 KB Output is correct
30 Correct 1 ms 492 KB Output is correct
31 Correct 143 ms 492 KB Output is correct
32 Correct 133 ms 492 KB Output is correct
33 Correct 133 ms 620 KB Output is correct
34 Correct 133 ms 620 KB Output is correct
35 Correct 134 ms 492 KB Output is correct
36 Correct 132 ms 696 KB Output is correct
37 Correct 522 ms 620 KB Output is correct
38 Correct 526 ms 748 KB Output is correct
39 Correct 797 ms 544 KB Output is correct
40 Correct 954 ms 672 KB Output is correct
41 Correct 977 ms 620 KB Output is correct
42 Correct 895 ms 672 KB Output is correct
43 Correct 766 ms 1004 KB Output is correct
44 Correct 814 ms 928 KB Output is correct
45 Correct 813 ms 1004 KB Output is correct
46 Correct 974 ms 492 KB Output is correct
47 Correct 827 ms 748 KB Output is correct
48 Correct 813 ms 748 KB Output is correct
49 Correct 807 ms 620 KB Output is correct
50 Correct 823 ms 748 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 944 ms 1004 KB Output is correct
53 Execution timed out 1095 ms 492 KB Time limit exceeded
54 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 3 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 13 ms 492 KB Output is correct
11 Correct 13 ms 492 KB Output is correct
12 Correct 13 ms 492 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 11 ms 492 KB Output is correct
15 Correct 11 ms 492 KB Output is correct
16 Correct 12 ms 492 KB Output is correct
17 Correct 5 ms 492 KB Output is correct
18 Correct 9 ms 492 KB Output is correct
19 Correct 10 ms 492 KB Output is correct
20 Correct 14 ms 492 KB Output is correct
21 Correct 54 ms 492 KB Output is correct
22 Correct 73 ms 492 KB Output is correct
23 Correct 33 ms 620 KB Output is correct
24 Correct 116 ms 492 KB Output is correct
25 Correct 125 ms 620 KB Output is correct
26 Correct 130 ms 640 KB Output is correct
27 Correct 130 ms 492 KB Output is correct
28 Correct 130 ms 620 KB Output is correct
29 Correct 136 ms 544 KB Output is correct
30 Correct 1 ms 492 KB Output is correct
31 Correct 143 ms 492 KB Output is correct
32 Correct 133 ms 492 KB Output is correct
33 Correct 133 ms 620 KB Output is correct
34 Correct 133 ms 620 KB Output is correct
35 Correct 134 ms 492 KB Output is correct
36 Correct 132 ms 696 KB Output is correct
37 Correct 522 ms 620 KB Output is correct
38 Correct 526 ms 748 KB Output is correct
39 Correct 797 ms 544 KB Output is correct
40 Correct 954 ms 672 KB Output is correct
41 Correct 977 ms 620 KB Output is correct
42 Correct 895 ms 672 KB Output is correct
43 Correct 766 ms 1004 KB Output is correct
44 Correct 814 ms 928 KB Output is correct
45 Correct 813 ms 1004 KB Output is correct
46 Correct 974 ms 492 KB Output is correct
47 Correct 827 ms 748 KB Output is correct
48 Correct 813 ms 748 KB Output is correct
49 Correct 807 ms 620 KB Output is correct
50 Correct 823 ms 748 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 944 ms 1004 KB Output is correct
53 Execution timed out 1095 ms 492 KB Time limit exceeded
54 Halted 0 ms 0 KB -