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답안 #379899

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
379899 2021-03-19T15:57:54 Z Kalashnikov Bootfall (IZhO17_bootfall) C++17
65 / 100
 823 ms 6892 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] , u[N];
bitset<500*300> dp[N] , b1;
 
 
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;
	}
	set<int> st;
	for(int i = 0; i <= n; i ++) {
		if(u[a[i]]) continue;
		u[a[i]] = 1;
		for(int j = 1; j <= n; j ++) {
			if(i == j) continue;
			dp[i] = (dp[i] | (dp[i] << a[j]));
			dp[i][a[j]] = 1;
		}
		dp[i] <<= a[i]/2;
		if(i == 1) b1 = dp[i];
		if(i > 1) b1 &= dp[i];
	}
	if(sum%2 || !dp[0][sum/2] || cnt[0] == cnt[1]) {
		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:65:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   65 | main() {
      |      ^

Subtask #1
6.0 / 6.0

# 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 1 ms 492 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 1 ms 620 KB Output is correct

Subtask #2
7.0 / 7.0

# 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 1 ms 492 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 1 ms 620 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 3 ms 620 KB Output is correct
12 Correct 3 ms 620 KB Output is correct
13 Correct 5 ms 748 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 2 ms 620 KB Output is correct
16 Correct 3 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 2 ms 620 KB Output is correct
19 Correct 3 ms 620 KB Output is correct
20 Correct 1 ms 492 KB Output is correct

Subtask #3
15.0 / 15.0

# 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 1 ms 492 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 1 ms 620 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 3 ms 620 KB Output is correct
12 Correct 3 ms 620 KB Output is correct
13 Correct 5 ms 748 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 2 ms 620 KB Output is correct
16 Correct 3 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 2 ms 620 KB Output is correct
19 Correct 3 ms 620 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 16 ms 1132 KB Output is correct
22 Correct 21 ms 1132 KB Output is correct
23 Correct 10 ms 1004 KB Output is correct
24 Correct 30 ms 1260 KB Output is correct
25 Correct 5 ms 620 KB Output is correct
26 Correct 6 ms 620 KB Output is correct
27 Correct 5 ms 620 KB Output is correct
28 Correct 3 ms 492 KB Output is correct
29 Correct 3 ms 492 KB Output is correct
30 Correct 46 ms 1772 KB Output is correct
31 Correct 18 ms 1004 KB Output is correct
32 Correct 33 ms 1260 KB Output is correct
33 Correct 2 ms 492 KB Output is correct
34 Correct 2 ms 492 KB Output is correct
35 Correct 3 ms 492 KB Output is correct
36 Correct 37 ms 1388 KB Output is correct

Subtask #4
16.0 / 16.0

# 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 1 ms 492 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 1 ms 620 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 3 ms 620 KB Output is correct
12 Correct 3 ms 620 KB Output is correct
13 Correct 5 ms 748 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 2 ms 620 KB Output is correct
16 Correct 3 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 2 ms 620 KB Output is correct
19 Correct 3 ms 620 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 16 ms 1132 KB Output is correct
22 Correct 21 ms 1132 KB Output is correct
23 Correct 10 ms 1004 KB Output is correct
24 Correct 30 ms 1260 KB Output is correct
25 Correct 5 ms 620 KB Output is correct
26 Correct 6 ms 620 KB Output is correct
27 Correct 5 ms 620 KB Output is correct
28 Correct 3 ms 492 KB Output is correct
29 Correct 3 ms 492 KB Output is correct
30 Correct 46 ms 1772 KB Output is correct
31 Correct 18 ms 1004 KB Output is correct
32 Correct 33 ms 1260 KB Output is correct
33 Correct 2 ms 492 KB Output is correct
34 Correct 2 ms 492 KB Output is correct
35 Correct 3 ms 492 KB Output is correct
36 Correct 37 ms 1388 KB Output is correct
37 Correct 68 ms 1516 KB Output is correct
38 Correct 71 ms 1644 KB Output is correct
39 Correct 4 ms 492 KB Output is correct
40 Correct 251 ms 3496 KB Output is correct
41 Correct 4 ms 492 KB Output is correct
42 Correct 184 ms 2924 KB Output is correct
43 Correct 47 ms 1260 KB Output is correct
44 Correct 54 ms 1260 KB Output is correct
45 Correct 46 ms 1260 KB Output is correct
46 Correct 245 ms 3208 KB Output is correct
47 Correct 188 ms 3052 KB Output is correct
48 Correct 13 ms 876 KB Output is correct
49 Correct 8 ms 492 KB Output is correct
50 Correct 211 ms 3180 KB Output is correct
51 Correct 411 ms 4972 KB Output is correct
52 Correct 25 ms 1004 KB Output is correct

Subtask #5
21.0 / 21.0

# 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 1 ms 492 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 1 ms 620 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 3 ms 620 KB Output is correct
12 Correct 3 ms 620 KB Output is correct
13 Correct 5 ms 748 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 2 ms 620 KB Output is correct
16 Correct 3 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 2 ms 620 KB Output is correct
19 Correct 3 ms 620 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 16 ms 1132 KB Output is correct
22 Correct 21 ms 1132 KB Output is correct
23 Correct 10 ms 1004 KB Output is correct
24 Correct 30 ms 1260 KB Output is correct
25 Correct 5 ms 620 KB Output is correct
26 Correct 6 ms 620 KB Output is correct
27 Correct 5 ms 620 KB Output is correct
28 Correct 3 ms 492 KB Output is correct
29 Correct 3 ms 492 KB Output is correct
30 Correct 46 ms 1772 KB Output is correct
31 Correct 18 ms 1004 KB Output is correct
32 Correct 33 ms 1260 KB Output is correct
33 Correct 2 ms 492 KB Output is correct
34 Correct 2 ms 492 KB Output is correct
35 Correct 3 ms 492 KB Output is correct
36 Correct 37 ms 1388 KB Output is correct
37 Correct 68 ms 1516 KB Output is correct
38 Correct 71 ms 1644 KB Output is correct
39 Correct 4 ms 492 KB Output is correct
40 Correct 251 ms 3496 KB Output is correct
41 Correct 4 ms 492 KB Output is correct
42 Correct 184 ms 2924 KB Output is correct
43 Correct 47 ms 1260 KB Output is correct
44 Correct 54 ms 1260 KB Output is correct
45 Correct 46 ms 1260 KB Output is correct
46 Correct 245 ms 3208 KB Output is correct
47 Correct 188 ms 3052 KB Output is correct
48 Correct 13 ms 876 KB Output is correct
49 Correct 8 ms 492 KB Output is correct
50 Correct 211 ms 3180 KB Output is correct
51 Correct 411 ms 4972 KB Output is correct
52 Correct 25 ms 1004 KB Output is correct
53 Correct 231 ms 3228 KB Output is correct
54 Correct 283 ms 3180 KB Output is correct
55 Correct 38 ms 1264 KB Output is correct
56 Correct 273 ms 3528 KB Output is correct
57 Correct 45 ms 1392 KB Output is correct
58 Correct 405 ms 4332 KB Output is correct
59 Correct 230 ms 2928 KB Output is correct
60 Correct 798 ms 6892 KB Output is correct
61 Correct 236 ms 3056 KB Output is correct
62 Correct 137 ms 2108 KB Output is correct
63 Correct 63 ms 1648 KB Output is correct
64 Correct 61 ms 1520 KB Output is correct
65 Correct 19 ms 620 KB Output is correct
66 Correct 80 ms 1260 KB Output is correct

Subtask #6
0 / 35.0

# 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 1 ms 492 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 1 ms 620 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 3 ms 620 KB Output is correct
12 Correct 3 ms 620 KB Output is correct
13 Correct 5 ms 748 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 2 ms 620 KB Output is correct
16 Correct 3 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 2 ms 620 KB Output is correct
19 Correct 3 ms 620 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 16 ms 1132 KB Output is correct
22 Correct 21 ms 1132 KB Output is correct
23 Correct 10 ms 1004 KB Output is correct
24 Correct 30 ms 1260 KB Output is correct
25 Correct 5 ms 620 KB Output is correct
26 Correct 6 ms 620 KB Output is correct
27 Correct 5 ms 620 KB Output is correct
28 Correct 3 ms 492 KB Output is correct
29 Correct 3 ms 492 KB Output is correct
30 Correct 46 ms 1772 KB Output is correct
31 Correct 18 ms 1004 KB Output is correct
32 Correct 33 ms 1260 KB Output is correct
33 Correct 2 ms 492 KB Output is correct
34 Correct 2 ms 492 KB Output is correct
35 Correct 3 ms 492 KB Output is correct
36 Correct 37 ms 1388 KB Output is correct
37 Correct 68 ms 1516 KB Output is correct
38 Correct 71 ms 1644 KB Output is correct
39 Correct 4 ms 492 KB Output is correct
40 Correct 251 ms 3496 KB Output is correct
41 Correct 4 ms 492 KB Output is correct
42 Correct 184 ms 2924 KB Output is correct
43 Correct 47 ms 1260 KB Output is correct
44 Correct 54 ms 1260 KB Output is correct
45 Correct 46 ms 1260 KB Output is correct
46 Correct 245 ms 3208 KB Output is correct
47 Correct 188 ms 3052 KB Output is correct
48 Correct 13 ms 876 KB Output is correct
49 Correct 8 ms 492 KB Output is correct
50 Correct 211 ms 3180 KB Output is correct
51 Correct 411 ms 4972 KB Output is correct
52 Correct 25 ms 1004 KB Output is correct
53 Correct 231 ms 3228 KB Output is correct
54 Correct 283 ms 3180 KB Output is correct
55 Correct 38 ms 1264 KB Output is correct
56 Correct 273 ms 3528 KB Output is correct
57 Correct 45 ms 1392 KB Output is correct
58 Correct 405 ms 4332 KB Output is correct
59 Correct 230 ms 2928 KB Output is correct
60 Correct 798 ms 6892 KB Output is correct
61 Correct 236 ms 3056 KB Output is correct
62 Correct 137 ms 2108 KB Output is correct
63 Correct 63 ms 1648 KB Output is correct
64 Correct 61 ms 1520 KB Output is correct
65 Correct 19 ms 620 KB Output is correct
66 Correct 80 ms 1260 KB Output is correct
67 Correct 560 ms 5488 KB Output is correct
68 Correct 823 ms 5556 KB Output is correct
69 Incorrect 102 ms 2156 KB Output isn't correct
70 Halted 0 ms 0 KB -