Submission #670155

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
670155	2022-12-08T07:56:03 Z	mychecksedad	Bootfall (IZhO17_bootfall)	C++17	65 / 100	558 ms	4908 KB

bootfall

/* 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;
 
}

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	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

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	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

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	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

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	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

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	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

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	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	-

Submission #670155

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