답안 #670155

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
670155 2022-12-08T07:56:03 Z mychecksedad Bootfall (IZhO17_bootfall) C++17
65 / 100
558 ms 4908 KB
/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
const int N = 510, M = 501, MX = 500*500/2 + 1;

int n, a[N], S = 0;
bitset<N*N/2> dp[N];
void solve(){
	cin >> n;
	bool ok = 1;
	for(int i = 1; i <= n; ++i){
		cin >> a[i];
		S += a[i];
		if(a[i] % 2 != a[1] % 2){
			ok = 0;
		}
	}

	if(!ok || S % 2){
		cout << 0;
		return;
	}


	vector<int> mn(M, M);

	vector<int> s;
	s.pb(0);
	for(int i = 1; i <= n; ++i){
		mn[a[i]] = min(i, mn[a[i]]);
		if(mn[a[i]] == i) s.pb(i);
	}


	for(int i: s){
		dp[i][0] = 1;
		for(int l = 1; l <= n; ++l){
			if(i == l) continue;
			dp[i] = dp[i] | (dp[i] << a[l]);
		}
	}

	vector<int> possible;

	for(int x = 2 - (a[1] % 2); x < MX; x += 2){	
		ok = 1;
		a[0] = x;
		for(int i: s){
			bool state1 = 0, state2 = 0;
			if(i == 0){
				int req = (S + x - a[i]) >> 1;
				state1 = (req < MX && dp[i][req]);
			}else{
				int req = (S + x - a[i]) >> 1, req1 = ((S + x - a[i]) >> 1) - x;
				state1 = (req < MX && dp[i][req]);
				state2 = (req1 >= 0 && req1 < MX && dp[i][req1]);
			}
			if(!(state1 | state2)){
				ok = 0;
				break;
			}
		}
		if(ok){
			possible.pb(x);
		}

	}

	cout << possible.size() << '\n';
	for(int p: possible) cout << p << ' ';
}




int main(){
    cin.tie(0); ios::sync_with_stdio(0);
    solve();
    return 0;
 
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 3 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 3 ms 468 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 3 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 3 ms 468 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 13 ms 980 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 9 ms 852 KB Output is correct
24 Correct 24 ms 1016 KB Output is correct
25 Correct 5 ms 468 KB Output is correct
26 Correct 4 ms 516 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 14 ms 852 KB Output is correct
32 Correct 24 ms 1100 KB Output is correct
33 Correct 2 ms 392 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 26 ms 1268 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 3 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 3 ms 468 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 13 ms 980 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 9 ms 852 KB Output is correct
24 Correct 24 ms 1016 KB Output is correct
25 Correct 5 ms 468 KB Output is correct
26 Correct 4 ms 516 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 14 ms 852 KB Output is correct
32 Correct 24 ms 1100 KB Output is correct
33 Correct 2 ms 392 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 26 ms 1268 KB Output is correct
37 Correct 52 ms 1464 KB Output is correct
38 Correct 52 ms 1424 KB Output is correct
39 Correct 4 ms 340 KB Output is correct
40 Correct 181 ms 2816 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 140 ms 2508 KB Output is correct
43 Correct 38 ms 1100 KB Output is correct
44 Correct 36 ms 1168 KB Output is correct
45 Correct 35 ms 1172 KB Output is correct
46 Correct 169 ms 2600 KB Output is correct
47 Correct 138 ms 2452 KB Output is correct
48 Correct 9 ms 724 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 157 ms 2740 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 19 ms 980 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 3 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 3 ms 468 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 13 ms 980 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 9 ms 852 KB Output is correct
24 Correct 24 ms 1016 KB Output is correct
25 Correct 5 ms 468 KB Output is correct
26 Correct 4 ms 516 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 14 ms 852 KB Output is correct
32 Correct 24 ms 1100 KB Output is correct
33 Correct 2 ms 392 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 26 ms 1268 KB Output is correct
37 Correct 52 ms 1464 KB Output is correct
38 Correct 52 ms 1424 KB Output is correct
39 Correct 4 ms 340 KB Output is correct
40 Correct 181 ms 2816 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 140 ms 2508 KB Output is correct
43 Correct 38 ms 1100 KB Output is correct
44 Correct 36 ms 1168 KB Output is correct
45 Correct 35 ms 1172 KB Output is correct
46 Correct 169 ms 2600 KB Output is correct
47 Correct 138 ms 2452 KB Output is correct
48 Correct 9 ms 724 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 157 ms 2740 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 19 ms 980 KB Output is correct
53 Correct 201 ms 2740 KB Output is correct
54 Correct 208 ms 2764 KB Output is correct
55 Correct 30 ms 1116 KB Output is correct
56 Correct 202 ms 3032 KB Output is correct
57 Correct 35 ms 1252 KB Output is correct
58 Correct 315 ms 3900 KB Output is correct
59 Correct 177 ms 2496 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 175 ms 2684 KB Output is correct
62 Correct 91 ms 1832 KB Output is correct
63 Correct 48 ms 1356 KB Output is correct
64 Correct 46 ms 1356 KB Output is correct
65 Correct 13 ms 440 KB Output is correct
66 Correct 52 ms 992 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 3 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 3 ms 468 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 13 ms 980 KB Output is correct
22 Correct 14 ms 980 KB Output is correct
23 Correct 9 ms 852 KB Output is correct
24 Correct 24 ms 1016 KB Output is correct
25 Correct 5 ms 468 KB Output is correct
26 Correct 4 ms 516 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 14 ms 852 KB Output is correct
32 Correct 24 ms 1100 KB Output is correct
33 Correct 2 ms 392 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 26 ms 1268 KB Output is correct
37 Correct 52 ms 1464 KB Output is correct
38 Correct 52 ms 1424 KB Output is correct
39 Correct 4 ms 340 KB Output is correct
40 Correct 181 ms 2816 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 140 ms 2508 KB Output is correct
43 Correct 38 ms 1100 KB Output is correct
44 Correct 36 ms 1168 KB Output is correct
45 Correct 35 ms 1172 KB Output is correct
46 Correct 169 ms 2600 KB Output is correct
47 Correct 138 ms 2452 KB Output is correct
48 Correct 9 ms 724 KB Output is correct
49 Correct 6 ms 468 KB Output is correct
50 Correct 157 ms 2740 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 19 ms 980 KB Output is correct
53 Correct 201 ms 2740 KB Output is correct
54 Correct 208 ms 2764 KB Output is correct
55 Correct 30 ms 1116 KB Output is correct
56 Correct 202 ms 3032 KB Output is correct
57 Correct 35 ms 1252 KB Output is correct
58 Correct 315 ms 3900 KB Output is correct
59 Correct 177 ms 2496 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 175 ms 2684 KB Output is correct
62 Correct 91 ms 1832 KB Output is correct
63 Correct 48 ms 1356 KB Output is correct
64 Correct 46 ms 1356 KB Output is correct
65 Correct 13 ms 440 KB Output is correct
66 Correct 52 ms 992 KB Output is correct
67 Correct 396 ms 4908 KB Output is correct
68 Correct 558 ms 4684 KB Output is correct
69 Incorrect 70 ms 1484 KB Output isn't correct
70 Halted 0 ms 0 KB -