답안 #507215

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
507215	2022-01-12T09:42:00 Z	dannyboy20031204	Bootfall (IZhO17_bootfall)	C++17	44 / 100	1000 ms	1744 KB

bootfall

#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define mp make_pair
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
//#pragma GCC optimization ("unroll-loops")
using namespace std;
void db() {cout << endl;}
template <typename T, typename ...U> void db(T a, U ...b) {cout << a << ' ', db(b...);}
#ifdef Cloud
#define file freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#else
#define file ios::sync_with_stdio(false); cin.tie(0)
#endif
#define pii pair<int, int>
const int inf = 1e9, N = 250001, mod = 998244353;
int main(){
    file;
    int n;
    cin >> n;
    int a[n], tot = 0, cnt[N]{};
    for (int &i : a) cin >> i, tot += i;
    if (tot % 2) return cout << 0 << '\n', 0;
    bitset<250001> dp;
    for (int s = -1; s < n; s++){
        dp.reset();
        dp.flip(0);
        dp[0] = 1;
        for (int i = 0; i < n; i++){
            if (i == s) continue;
            dp |= dp << a[i];
            //for (int j = 0; j <= 20; j++) db(i, j, dp[j]);
        }
        if (s == -1 and !dp[tot / 2]) return cout << 0 << '\n', 0;
        if (s >= 0) for (int i = 0; i < N; i++){
            if (dp[i] and i * 2 - tot + a[s] > 0) cnt[i * 2 - tot + a[s]]++;
        }
    }
    vector<int> v;
    for (int i = 1; i < N; i++) if (cnt[i] == n) v.push_back(i);
    cout << v.size() << '\n';
    for (int i : v) cout << i << ' ';
    //db("ya");
}

Compilation message

bootfall.cpp:7: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    7 | #pragma GCC optimization ("O3")
      |

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1356 KB	Output is correct
2	Correct	4 ms	1356 KB	Output is correct
3	Correct	1 ms	1356 KB	Output is correct
4	Correct	3 ms	1356 KB	Output is correct
5	Correct	8 ms	1356 KB	Output is correct
6	Correct	4 ms	1356 KB	Output is correct
7	Correct	3 ms	1356 KB	Output is correct
8	Correct	6 ms	1356 KB	Output is correct
9	Correct	7 ms	1356 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1356 KB	Output is correct
2	Correct	4 ms	1356 KB	Output is correct
3	Correct	1 ms	1356 KB	Output is correct
4	Correct	3 ms	1356 KB	Output is correct
5	Correct	8 ms	1356 KB	Output is correct
6	Correct	4 ms	1356 KB	Output is correct
7	Correct	3 ms	1356 KB	Output is correct
8	Correct	6 ms	1356 KB	Output is correct
9	Correct	7 ms	1356 KB	Output is correct
10	Correct	18 ms	1356 KB	Output is correct
11	Correct	20 ms	1376 KB	Output is correct
12	Correct	22 ms	1356 KB	Output is correct
13	Correct	13 ms	1376 KB	Output is correct
14	Correct	20 ms	1372 KB	Output is correct
15	Correct	20 ms	1376 KB	Output is correct
16	Correct	22 ms	1360 KB	Output is correct
17	Correct	13 ms	1372 KB	Output is correct
18	Correct	17 ms	1356 KB	Output is correct
19	Correct	16 ms	1356 KB	Output is correct
20	Correct	15 ms	1376 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1356 KB	Output is correct
2	Correct	4 ms	1356 KB	Output is correct
3	Correct	1 ms	1356 KB	Output is correct
4	Correct	3 ms	1356 KB	Output is correct
5	Correct	8 ms	1356 KB	Output is correct
6	Correct	4 ms	1356 KB	Output is correct
7	Correct	3 ms	1356 KB	Output is correct
8	Correct	6 ms	1356 KB	Output is correct
9	Correct	7 ms	1356 KB	Output is correct
10	Correct	18 ms	1356 KB	Output is correct
11	Correct	20 ms	1376 KB	Output is correct
12	Correct	22 ms	1356 KB	Output is correct
13	Correct	13 ms	1376 KB	Output is correct
14	Correct	20 ms	1372 KB	Output is correct
15	Correct	20 ms	1376 KB	Output is correct
16	Correct	22 ms	1360 KB	Output is correct
17	Correct	13 ms	1372 KB	Output is correct
18	Correct	17 ms	1356 KB	Output is correct
19	Correct	16 ms	1356 KB	Output is correct
20	Correct	15 ms	1376 KB	Output is correct
21	Correct	69 ms	1368 KB	Output is correct
22	Correct	65 ms	1364 KB	Output is correct
23	Correct	31 ms	1376 KB	Output is correct
24	Correct	81 ms	1356 KB	Output is correct
25	Correct	92 ms	1368 KB	Output is correct
26	Correct	120 ms	1360 KB	Output is correct
27	Correct	142 ms	1356 KB	Output is correct
28	Correct	110 ms	1356 KB	Output is correct
29	Correct	105 ms	1356 KB	Output is correct
30	Correct	129 ms	1360 KB	Output is correct
31	Correct	107 ms	1356 KB	Output is correct
32	Correct	99 ms	1364 KB	Output is correct
33	Correct	89 ms	1356 KB	Output is correct
34	Correct	104 ms	1356 KB	Output is correct
35	Correct	107 ms	1356 KB	Output is correct
36	Correct	109 ms	1356 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1356 KB	Output is correct
2	Correct	4 ms	1356 KB	Output is correct
3	Correct	1 ms	1356 KB	Output is correct
4	Correct	3 ms	1356 KB	Output is correct
5	Correct	8 ms	1356 KB	Output is correct
6	Correct	4 ms	1356 KB	Output is correct
7	Correct	3 ms	1356 KB	Output is correct
8	Correct	6 ms	1356 KB	Output is correct
9	Correct	7 ms	1356 KB	Output is correct
10	Correct	18 ms	1356 KB	Output is correct
11	Correct	20 ms	1376 KB	Output is correct
12	Correct	22 ms	1356 KB	Output is correct
13	Correct	13 ms	1376 KB	Output is correct
14	Correct	20 ms	1372 KB	Output is correct
15	Correct	20 ms	1376 KB	Output is correct
16	Correct	22 ms	1360 KB	Output is correct
17	Correct	13 ms	1372 KB	Output is correct
18	Correct	17 ms	1356 KB	Output is correct
19	Correct	16 ms	1356 KB	Output is correct
20	Correct	15 ms	1376 KB	Output is correct
21	Correct	69 ms	1368 KB	Output is correct
22	Correct	65 ms	1364 KB	Output is correct
23	Correct	31 ms	1376 KB	Output is correct
24	Correct	81 ms	1356 KB	Output is correct
25	Correct	92 ms	1368 KB	Output is correct
26	Correct	120 ms	1360 KB	Output is correct
27	Correct	142 ms	1356 KB	Output is correct
28	Correct	110 ms	1356 KB	Output is correct
29	Correct	105 ms	1356 KB	Output is correct
30	Correct	129 ms	1360 KB	Output is correct
31	Correct	107 ms	1356 KB	Output is correct
32	Correct	99 ms	1364 KB	Output is correct
33	Correct	89 ms	1356 KB	Output is correct
34	Correct	104 ms	1356 KB	Output is correct
35	Correct	107 ms	1356 KB	Output is correct
36	Correct	109 ms	1356 KB	Output is correct
37	Correct	422 ms	1480 KB	Output is correct
38	Correct	361 ms	1484 KB	Output is correct
39	Correct	588 ms	1356 KB	Output is correct
40	Correct	846 ms	1476 KB	Output is correct
41	Correct	655 ms	1356 KB	Output is correct
42	Correct	599 ms	1484 KB	Output is correct
43	Correct	627 ms	1740 KB	Output is correct
44	Correct	546 ms	1644 KB	Output is correct
45	Correct	544 ms	1740 KB	Output is correct
46	Correct	635 ms	1356 KB	Output is correct
47	Correct	532 ms	1488 KB	Output is correct
48	Correct	587 ms	1612 KB	Output is correct
49	Correct	512 ms	1356 KB	Output is correct
50	Correct	595 ms	1484 KB	Output is correct
51	Correct	1 ms	1356 KB	Output is correct
52	Correct	706 ms	1744 KB	Output is correct

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1356 KB	Output is correct
2	Correct	4 ms	1356 KB	Output is correct
3	Correct	1 ms	1356 KB	Output is correct
4	Correct	3 ms	1356 KB	Output is correct
5	Correct	8 ms	1356 KB	Output is correct
6	Correct	4 ms	1356 KB	Output is correct
7	Correct	3 ms	1356 KB	Output is correct
8	Correct	6 ms	1356 KB	Output is correct
9	Correct	7 ms	1356 KB	Output is correct
10	Correct	18 ms	1356 KB	Output is correct
11	Correct	20 ms	1376 KB	Output is correct
12	Correct	22 ms	1356 KB	Output is correct
13	Correct	13 ms	1376 KB	Output is correct
14	Correct	20 ms	1372 KB	Output is correct
15	Correct	20 ms	1376 KB	Output is correct
16	Correct	22 ms	1360 KB	Output is correct
17	Correct	13 ms	1372 KB	Output is correct
18	Correct	17 ms	1356 KB	Output is correct
19	Correct	16 ms	1356 KB	Output is correct
20	Correct	15 ms	1376 KB	Output is correct
21	Correct	69 ms	1368 KB	Output is correct
22	Correct	65 ms	1364 KB	Output is correct
23	Correct	31 ms	1376 KB	Output is correct
24	Correct	81 ms	1356 KB	Output is correct
25	Correct	92 ms	1368 KB	Output is correct
26	Correct	120 ms	1360 KB	Output is correct
27	Correct	142 ms	1356 KB	Output is correct
28	Correct	110 ms	1356 KB	Output is correct
29	Correct	105 ms	1356 KB	Output is correct
30	Correct	129 ms	1360 KB	Output is correct
31	Correct	107 ms	1356 KB	Output is correct
32	Correct	99 ms	1364 KB	Output is correct
33	Correct	89 ms	1356 KB	Output is correct
34	Correct	104 ms	1356 KB	Output is correct
35	Correct	107 ms	1356 KB	Output is correct
36	Correct	109 ms	1356 KB	Output is correct
37	Correct	422 ms	1480 KB	Output is correct
38	Correct	361 ms	1484 KB	Output is correct
39	Correct	588 ms	1356 KB	Output is correct
40	Correct	846 ms	1476 KB	Output is correct
41	Correct	655 ms	1356 KB	Output is correct
42	Correct	599 ms	1484 KB	Output is correct
43	Correct	627 ms	1740 KB	Output is correct
44	Correct	546 ms	1644 KB	Output is correct
45	Correct	544 ms	1740 KB	Output is correct
46	Correct	635 ms	1356 KB	Output is correct
47	Correct	532 ms	1488 KB	Output is correct
48	Correct	587 ms	1612 KB	Output is correct
49	Correct	512 ms	1356 KB	Output is correct
50	Correct	595 ms	1484 KB	Output is correct
51	Correct	1 ms	1356 KB	Output is correct
52	Correct	706 ms	1744 KB	Output is correct
53	Correct	849 ms	1616 KB	Output is correct
54	Execution timed out	1006 ms	1736 KB	Time limit exceeded
55	Halted	0 ms	0 KB	-

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1356 KB	Output is correct
2	Correct	4 ms	1356 KB	Output is correct
3	Correct	1 ms	1356 KB	Output is correct
4	Correct	3 ms	1356 KB	Output is correct
5	Correct	8 ms	1356 KB	Output is correct
6	Correct	4 ms	1356 KB	Output is correct
7	Correct	3 ms	1356 KB	Output is correct
8	Correct	6 ms	1356 KB	Output is correct
9	Correct	7 ms	1356 KB	Output is correct
10	Correct	18 ms	1356 KB	Output is correct
11	Correct	20 ms	1376 KB	Output is correct
12	Correct	22 ms	1356 KB	Output is correct
13	Correct	13 ms	1376 KB	Output is correct
14	Correct	20 ms	1372 KB	Output is correct
15	Correct	20 ms	1376 KB	Output is correct
16	Correct	22 ms	1360 KB	Output is correct
17	Correct	13 ms	1372 KB	Output is correct
18	Correct	17 ms	1356 KB	Output is correct
19	Correct	16 ms	1356 KB	Output is correct
20	Correct	15 ms	1376 KB	Output is correct
21	Correct	69 ms	1368 KB	Output is correct
22	Correct	65 ms	1364 KB	Output is correct
23	Correct	31 ms	1376 KB	Output is correct
24	Correct	81 ms	1356 KB	Output is correct
25	Correct	92 ms	1368 KB	Output is correct
26	Correct	120 ms	1360 KB	Output is correct
27	Correct	142 ms	1356 KB	Output is correct
28	Correct	110 ms	1356 KB	Output is correct
29	Correct	105 ms	1356 KB	Output is correct
30	Correct	129 ms	1360 KB	Output is correct
31	Correct	107 ms	1356 KB	Output is correct
32	Correct	99 ms	1364 KB	Output is correct
33	Correct	89 ms	1356 KB	Output is correct
34	Correct	104 ms	1356 KB	Output is correct
35	Correct	107 ms	1356 KB	Output is correct
36	Correct	109 ms	1356 KB	Output is correct
37	Correct	422 ms	1480 KB	Output is correct
38	Correct	361 ms	1484 KB	Output is correct
39	Correct	588 ms	1356 KB	Output is correct
40	Correct	846 ms	1476 KB	Output is correct
41	Correct	655 ms	1356 KB	Output is correct
42	Correct	599 ms	1484 KB	Output is correct
43	Correct	627 ms	1740 KB	Output is correct
44	Correct	546 ms	1644 KB	Output is correct
45	Correct	544 ms	1740 KB	Output is correct
46	Correct	635 ms	1356 KB	Output is correct
47	Correct	532 ms	1488 KB	Output is correct
48	Correct	587 ms	1612 KB	Output is correct
49	Correct	512 ms	1356 KB	Output is correct
50	Correct	595 ms	1484 KB	Output is correct
51	Correct	1 ms	1356 KB	Output is correct
52	Correct	706 ms	1744 KB	Output is correct
53	Correct	849 ms	1616 KB	Output is correct
54	Execution timed out	1006 ms	1736 KB	Time limit exceeded
55	Halted	0 ms	0 KB	-

답안 #507215

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 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
0 / 21.0

Subtask #6
0 / 35.0