Submission #670334

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
670334	2022-12-08T17:11:23 Z	mychecksedad	Bootfall (IZhO17_bootfall)	C++17	65 / 100	636 ms	4652 KB

bootfall

/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
const int N = 510, M = 502, MX = 500*500 + 10;

int n, a[N], S = 0;
bitset<MX/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> used(M);

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



	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 <= S; x += 2){	
		ok = 1;
		a[0] = x;
		for(int i: s){
			bool state1 = 0, state2 = 0;
			int req = -1, req1 = -1;			

			int c = S + x - a[i];

			req = c >> 1;

			if(req < MX){
				if(req > S/2) req = c - req;

				state1 = dp[i][req];
			}
			
			if(i > 0){

				req1 = (c >> 1) - x;

				if(req1 >= 0 && req1 < MX){

					if(req1 > S/2) req1 = c - req1;
					
					state2 = 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;
 
}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	468 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 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

Subtask #2
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	468 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 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	2 ms	464 KB	Output is correct
15	Correct	2 ms	468 KB	Output is correct
16	Correct	3 ms	468 KB	Output is correct
17	Correct	1 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

Subtask #3
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	468 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 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	2 ms	464 KB	Output is correct
15	Correct	2 ms	468 KB	Output is correct
16	Correct	3 ms	468 KB	Output is correct
17	Correct	1 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	14 ms	956 KB	Output is correct
22	Correct	13 ms	980 KB	Output is correct
23	Correct	7 ms	852 KB	Output is correct
24	Correct	19 ms	1076 KB	Output is correct
25	Correct	3 ms	468 KB	Output is correct
26	Correct	4 ms	468 KB	Output is correct
27	Correct	4 ms	468 KB	Output is correct
28	Correct	2 ms	340 KB	Output is correct
29	Correct	2 ms	340 KB	Output is correct
30	Correct	0 ms	340 KB	Output is correct
31	Correct	12 ms	784 KB	Output is correct
32	Correct	20 ms	1108 KB	Output is correct
33	Correct	2 ms	340 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	3 ms	340 KB	Output is correct
36	Correct	27 ms	1160 KB	Output is correct

Subtask #4
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	468 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 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	2 ms	464 KB	Output is correct
15	Correct	2 ms	468 KB	Output is correct
16	Correct	3 ms	468 KB	Output is correct
17	Correct	1 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	14 ms	956 KB	Output is correct
22	Correct	13 ms	980 KB	Output is correct
23	Correct	7 ms	852 KB	Output is correct
24	Correct	19 ms	1076 KB	Output is correct
25	Correct	3 ms	468 KB	Output is correct
26	Correct	4 ms	468 KB	Output is correct
27	Correct	4 ms	468 KB	Output is correct
28	Correct	2 ms	340 KB	Output is correct
29	Correct	2 ms	340 KB	Output is correct
30	Correct	0 ms	340 KB	Output is correct
31	Correct	12 ms	784 KB	Output is correct
32	Correct	20 ms	1108 KB	Output is correct
33	Correct	2 ms	340 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	3 ms	340 KB	Output is correct
36	Correct	27 ms	1160 KB	Output is correct
37	Correct	45 ms	1352 KB	Output is correct
38	Correct	49 ms	1336 KB	Output is correct
39	Correct	3 ms	340 KB	Output is correct
40	Correct	167 ms	2808 KB	Output is correct
41	Correct	3 ms	340 KB	Output is correct
42	Correct	128 ms	2408 KB	Output is correct
43	Correct	39 ms	1160 KB	Output is correct
44	Correct	34 ms	1112 KB	Output is correct
45	Correct	33 ms	1124 KB	Output is correct
46	Correct	154 ms	2508 KB	Output is correct
47	Correct	126 ms	2420 KB	Output is correct
48	Correct	10 ms	656 KB	Output is correct
49	Correct	6 ms	468 KB	Output is correct
50	Correct	148 ms	2808 KB	Output is correct
51	Correct	0 ms	340 KB	Output is correct
52	Correct	19 ms	872 KB	Output is correct

Subtask #5
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	468 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 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	2 ms	464 KB	Output is correct
15	Correct	2 ms	468 KB	Output is correct
16	Correct	3 ms	468 KB	Output is correct
17	Correct	1 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	14 ms	956 KB	Output is correct
22	Correct	13 ms	980 KB	Output is correct
23	Correct	7 ms	852 KB	Output is correct
24	Correct	19 ms	1076 KB	Output is correct
25	Correct	3 ms	468 KB	Output is correct
26	Correct	4 ms	468 KB	Output is correct
27	Correct	4 ms	468 KB	Output is correct
28	Correct	2 ms	340 KB	Output is correct
29	Correct	2 ms	340 KB	Output is correct
30	Correct	0 ms	340 KB	Output is correct
31	Correct	12 ms	784 KB	Output is correct
32	Correct	20 ms	1108 KB	Output is correct
33	Correct	2 ms	340 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	3 ms	340 KB	Output is correct
36	Correct	27 ms	1160 KB	Output is correct
37	Correct	45 ms	1352 KB	Output is correct
38	Correct	49 ms	1336 KB	Output is correct
39	Correct	3 ms	340 KB	Output is correct
40	Correct	167 ms	2808 KB	Output is correct
41	Correct	3 ms	340 KB	Output is correct
42	Correct	128 ms	2408 KB	Output is correct
43	Correct	39 ms	1160 KB	Output is correct
44	Correct	34 ms	1112 KB	Output is correct
45	Correct	33 ms	1124 KB	Output is correct
46	Correct	154 ms	2508 KB	Output is correct
47	Correct	126 ms	2420 KB	Output is correct
48	Correct	10 ms	656 KB	Output is correct
49	Correct	6 ms	468 KB	Output is correct
50	Correct	148 ms	2808 KB	Output is correct
51	Correct	0 ms	340 KB	Output is correct
52	Correct	19 ms	872 KB	Output is correct
53	Correct	163 ms	2652 KB	Output is correct
54	Correct	193 ms	2704 KB	Output is correct
55	Correct	29 ms	1100 KB	Output is correct
56	Correct	188 ms	2904 KB	Output is correct
57	Correct	34 ms	1212 KB	Output is correct
58	Correct	284 ms	3640 KB	Output is correct
59	Correct	177 ms	2560 KB	Output is correct
60	Correct	1 ms	340 KB	Output is correct
61	Correct	181 ms	2496 KB	Output is correct
62	Correct	90 ms	1760 KB	Output is correct
63	Correct	46 ms	1368 KB	Output is correct
64	Correct	48 ms	1356 KB	Output is correct
65	Correct	13 ms	500 KB	Output is correct
66	Correct	49 ms	984 KB	Output is correct

Subtask #6
0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	468 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 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	2 ms	464 KB	Output is correct
15	Correct	2 ms	468 KB	Output is correct
16	Correct	3 ms	468 KB	Output is correct
17	Correct	1 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	14 ms	956 KB	Output is correct
22	Correct	13 ms	980 KB	Output is correct
23	Correct	7 ms	852 KB	Output is correct
24	Correct	19 ms	1076 KB	Output is correct
25	Correct	3 ms	468 KB	Output is correct
26	Correct	4 ms	468 KB	Output is correct
27	Correct	4 ms	468 KB	Output is correct
28	Correct	2 ms	340 KB	Output is correct
29	Correct	2 ms	340 KB	Output is correct
30	Correct	0 ms	340 KB	Output is correct
31	Correct	12 ms	784 KB	Output is correct
32	Correct	20 ms	1108 KB	Output is correct
33	Correct	2 ms	340 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	3 ms	340 KB	Output is correct
36	Correct	27 ms	1160 KB	Output is correct
37	Correct	45 ms	1352 KB	Output is correct
38	Correct	49 ms	1336 KB	Output is correct
39	Correct	3 ms	340 KB	Output is correct
40	Correct	167 ms	2808 KB	Output is correct
41	Correct	3 ms	340 KB	Output is correct
42	Correct	128 ms	2408 KB	Output is correct
43	Correct	39 ms	1160 KB	Output is correct
44	Correct	34 ms	1112 KB	Output is correct
45	Correct	33 ms	1124 KB	Output is correct
46	Correct	154 ms	2508 KB	Output is correct
47	Correct	126 ms	2420 KB	Output is correct
48	Correct	10 ms	656 KB	Output is correct
49	Correct	6 ms	468 KB	Output is correct
50	Correct	148 ms	2808 KB	Output is correct
51	Correct	0 ms	340 KB	Output is correct
52	Correct	19 ms	872 KB	Output is correct
53	Correct	163 ms	2652 KB	Output is correct
54	Correct	193 ms	2704 KB	Output is correct
55	Correct	29 ms	1100 KB	Output is correct
56	Correct	188 ms	2904 KB	Output is correct
57	Correct	34 ms	1212 KB	Output is correct
58	Correct	284 ms	3640 KB	Output is correct
59	Correct	177 ms	2560 KB	Output is correct
60	Correct	1 ms	340 KB	Output is correct
61	Correct	181 ms	2496 KB	Output is correct
62	Correct	90 ms	1760 KB	Output is correct
63	Correct	46 ms	1368 KB	Output is correct
64	Correct	48 ms	1356 KB	Output is correct
65	Correct	13 ms	500 KB	Output is correct
66	Correct	49 ms	984 KB	Output is correct
67	Correct	381 ms	4640 KB	Output is correct
68	Correct	636 ms	4652 KB	Output is correct
69	Incorrect	77 ms	1888 KB	Output isn't correct
70	Halted	0 ms	0 KB	-

Submission #670334

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 21.0 / 21.0

Subtask #6 0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
21.0 / 21.0

Subtask #6
0 / 35.0