답안 #873275

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
873275 2023-11-14T17:50:42 Z c2zi6 Bootfall (IZhO17_bootfall) C++14
65 / 100
1000 ms 1216 KB
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define all(a) (a).begin(), (a).end()
#define replr(i, a, b) for (int i = int(a); i <= int(b); ++i)
#define reprl(i, a, b) for (int i = int(a); i >= int(b); --i)
#define rep(i, n) for (int i = 0; i < int(n); ++i)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> PII;
typedef vector<int> VI;
typedef vector<PII> VPI;
typedef vector<VI> VVI;
typedef vector<VPI> VVPI;
typedef pair<ll, ll> PLL;
typedef vector<ll> VL;
typedef vector<PLL> VPL;
typedef vector<VL> VVL;
typedef vector<VPL> VVPL;
template<class T> T setmax(T& a, T b) {if (a < b) return a = b; return a;}
template<class T> T setmin(T& a, T b) {if (a < b) return a; return a = b;}

const int MAXN = 100;

#pragma GCC optimize("O3")

const int MAXSUM = 500 * 500;
typedef bitset<MAXSUM+1> bit;

bit f(VI& v, int excludant = -1) {
	bit ans;
	ans[0] = 1;
	rep(i, v.size()) {
		if (i == excludant) continue;
		ans |= (ans << v[i]);
	}
	return ans;
}

void solve() {
	int n;
	cin >> n;
	VI a(n);
	int sum = 0;
	for (int& x : a) cin >> x, sum += x;

	bit pos = f(a);
	if (sum % 2 || !pos[sum/2]) cout << 0 << endl;
	else {
		bit ans = ~bit(0);
		rep(i, n) {
			bit pos = f(a, i);
			for (int x = 0; x <= MAXSUM; x++) {
				int newsum = (sum - a[i] + x);
				if (newsum % 2 || newsum/2 < x || (!pos[newsum/2] && !pos[newsum/2 - x])) {
					ans[x] = false;
				}
			}
		}
		VI v;
		for (int i = 0; i <= MAXSUM; i++) {
			if (ans[i]) v.pb(i);
		}
		cout << v.size() << endl;
		for (int x : v) cout << x << " ";
		cout << endl;
	}
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL), cout.tie(NULL);
	solve();
}
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 604 KB Output is correct
2 Correct 4 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 348 KB Output is correct
5 Correct 7 ms 596 KB Output is correct
6 Correct 4 ms 348 KB Output is correct
7 Correct 3 ms 348 KB Output is correct
8 Correct 7 ms 600 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 604 KB Output is correct
2 Correct 4 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 348 KB Output is correct
5 Correct 7 ms 596 KB Output is correct
6 Correct 4 ms 348 KB Output is correct
7 Correct 3 ms 348 KB Output is correct
8 Correct 7 ms 600 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 20 ms 848 KB Output is correct
11 Correct 19 ms 348 KB Output is correct
12 Correct 18 ms 348 KB Output is correct
13 Correct 15 ms 344 KB Output is correct
14 Correct 16 ms 608 KB Output is correct
15 Correct 16 ms 604 KB Output is correct
16 Correct 18 ms 348 KB Output is correct
17 Correct 11 ms 600 KB Output is correct
18 Correct 14 ms 348 KB Output is correct
19 Correct 15 ms 348 KB Output is correct
20 Correct 18 ms 604 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 604 KB Output is correct
2 Correct 4 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 348 KB Output is correct
5 Correct 7 ms 596 KB Output is correct
6 Correct 4 ms 348 KB Output is correct
7 Correct 3 ms 348 KB Output is correct
8 Correct 7 ms 600 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 20 ms 848 KB Output is correct
11 Correct 19 ms 348 KB Output is correct
12 Correct 18 ms 348 KB Output is correct
13 Correct 15 ms 344 KB Output is correct
14 Correct 16 ms 608 KB Output is correct
15 Correct 16 ms 604 KB Output is correct
16 Correct 18 ms 348 KB Output is correct
17 Correct 11 ms 600 KB Output is correct
18 Correct 14 ms 348 KB Output is correct
19 Correct 15 ms 348 KB Output is correct
20 Correct 18 ms 604 KB Output is correct
21 Correct 49 ms 748 KB Output is correct
22 Correct 56 ms 828 KB Output is correct
23 Correct 34 ms 596 KB Output is correct
24 Correct 80 ms 596 KB Output is correct
25 Correct 79 ms 596 KB Output is correct
26 Correct 88 ms 744 KB Output is correct
27 Correct 86 ms 576 KB Output is correct
28 Correct 86 ms 592 KB Output is correct
29 Correct 87 ms 348 KB Output is correct
30 Correct 87 ms 344 KB Output is correct
31 Correct 87 ms 600 KB Output is correct
32 Correct 86 ms 596 KB Output is correct
33 Correct 86 ms 348 KB Output is correct
34 Correct 87 ms 344 KB Output is correct
35 Correct 88 ms 588 KB Output is correct
36 Correct 87 ms 572 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 604 KB Output is correct
2 Correct 4 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 348 KB Output is correct
5 Correct 7 ms 596 KB Output is correct
6 Correct 4 ms 348 KB Output is correct
7 Correct 3 ms 348 KB Output is correct
8 Correct 7 ms 600 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 20 ms 848 KB Output is correct
11 Correct 19 ms 348 KB Output is correct
12 Correct 18 ms 348 KB Output is correct
13 Correct 15 ms 344 KB Output is correct
14 Correct 16 ms 608 KB Output is correct
15 Correct 16 ms 604 KB Output is correct
16 Correct 18 ms 348 KB Output is correct
17 Correct 11 ms 600 KB Output is correct
18 Correct 14 ms 348 KB Output is correct
19 Correct 15 ms 348 KB Output is correct
20 Correct 18 ms 604 KB Output is correct
21 Correct 49 ms 748 KB Output is correct
22 Correct 56 ms 828 KB Output is correct
23 Correct 34 ms 596 KB Output is correct
24 Correct 80 ms 596 KB Output is correct
25 Correct 79 ms 596 KB Output is correct
26 Correct 88 ms 744 KB Output is correct
27 Correct 86 ms 576 KB Output is correct
28 Correct 86 ms 592 KB Output is correct
29 Correct 87 ms 348 KB Output is correct
30 Correct 87 ms 344 KB Output is correct
31 Correct 87 ms 600 KB Output is correct
32 Correct 86 ms 596 KB Output is correct
33 Correct 86 ms 348 KB Output is correct
34 Correct 87 ms 344 KB Output is correct
35 Correct 88 ms 588 KB Output is correct
36 Correct 87 ms 572 KB Output is correct
37 Correct 249 ms 572 KB Output is correct
38 Correct 254 ms 576 KB Output is correct
39 Correct 363 ms 348 KB Output is correct
40 Correct 408 ms 592 KB Output is correct
41 Correct 424 ms 600 KB Output is correct
42 Correct 359 ms 572 KB Output is correct
43 Correct 342 ms 848 KB Output is correct
44 Correct 362 ms 852 KB Output is correct
45 Correct 395 ms 852 KB Output is correct
46 Correct 467 ms 348 KB Output is correct
47 Correct 366 ms 576 KB Output is correct
48 Correct 368 ms 844 KB Output is correct
49 Correct 363 ms 592 KB Output is correct
50 Correct 364 ms 596 KB Output is correct
51 Correct 1 ms 600 KB Output is correct
52 Correct 403 ms 852 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 604 KB Output is correct
2 Correct 4 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 348 KB Output is correct
5 Correct 7 ms 596 KB Output is correct
6 Correct 4 ms 348 KB Output is correct
7 Correct 3 ms 348 KB Output is correct
8 Correct 7 ms 600 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 20 ms 848 KB Output is correct
11 Correct 19 ms 348 KB Output is correct
12 Correct 18 ms 348 KB Output is correct
13 Correct 15 ms 344 KB Output is correct
14 Correct 16 ms 608 KB Output is correct
15 Correct 16 ms 604 KB Output is correct
16 Correct 18 ms 348 KB Output is correct
17 Correct 11 ms 600 KB Output is correct
18 Correct 14 ms 348 KB Output is correct
19 Correct 15 ms 348 KB Output is correct
20 Correct 18 ms 604 KB Output is correct
21 Correct 49 ms 748 KB Output is correct
22 Correct 56 ms 828 KB Output is correct
23 Correct 34 ms 596 KB Output is correct
24 Correct 80 ms 596 KB Output is correct
25 Correct 79 ms 596 KB Output is correct
26 Correct 88 ms 744 KB Output is correct
27 Correct 86 ms 576 KB Output is correct
28 Correct 86 ms 592 KB Output is correct
29 Correct 87 ms 348 KB Output is correct
30 Correct 87 ms 344 KB Output is correct
31 Correct 87 ms 600 KB Output is correct
32 Correct 86 ms 596 KB Output is correct
33 Correct 86 ms 348 KB Output is correct
34 Correct 87 ms 344 KB Output is correct
35 Correct 88 ms 588 KB Output is correct
36 Correct 87 ms 572 KB Output is correct
37 Correct 249 ms 572 KB Output is correct
38 Correct 254 ms 576 KB Output is correct
39 Correct 363 ms 348 KB Output is correct
40 Correct 408 ms 592 KB Output is correct
41 Correct 424 ms 600 KB Output is correct
42 Correct 359 ms 572 KB Output is correct
43 Correct 342 ms 848 KB Output is correct
44 Correct 362 ms 852 KB Output is correct
45 Correct 395 ms 852 KB Output is correct
46 Correct 467 ms 348 KB Output is correct
47 Correct 366 ms 576 KB Output is correct
48 Correct 368 ms 844 KB Output is correct
49 Correct 363 ms 592 KB Output is correct
50 Correct 364 ms 596 KB Output is correct
51 Correct 1 ms 600 KB Output is correct
52 Correct 403 ms 852 KB Output is correct
53 Correct 492 ms 832 KB Output is correct
54 Correct 648 ms 832 KB Output is correct
55 Correct 622 ms 960 KB Output is correct
56 Correct 498 ms 852 KB Output is correct
57 Correct 623 ms 1216 KB Output is correct
58 Correct 643 ms 836 KB Output is correct
59 Correct 641 ms 980 KB Output is correct
60 Correct 2 ms 600 KB Output is correct
61 Correct 639 ms 976 KB Output is correct
62 Correct 540 ms 1212 KB Output is correct
63 Correct 532 ms 984 KB Output is correct
64 Correct 524 ms 984 KB Output is correct
65 Correct 542 ms 592 KB Output is correct
66 Correct 530 ms 596 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 604 KB Output is correct
2 Correct 4 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 348 KB Output is correct
5 Correct 7 ms 596 KB Output is correct
6 Correct 4 ms 348 KB Output is correct
7 Correct 3 ms 348 KB Output is correct
8 Correct 7 ms 600 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 20 ms 848 KB Output is correct
11 Correct 19 ms 348 KB Output is correct
12 Correct 18 ms 348 KB Output is correct
13 Correct 15 ms 344 KB Output is correct
14 Correct 16 ms 608 KB Output is correct
15 Correct 16 ms 604 KB Output is correct
16 Correct 18 ms 348 KB Output is correct
17 Correct 11 ms 600 KB Output is correct
18 Correct 14 ms 348 KB Output is correct
19 Correct 15 ms 348 KB Output is correct
20 Correct 18 ms 604 KB Output is correct
21 Correct 49 ms 748 KB Output is correct
22 Correct 56 ms 828 KB Output is correct
23 Correct 34 ms 596 KB Output is correct
24 Correct 80 ms 596 KB Output is correct
25 Correct 79 ms 596 KB Output is correct
26 Correct 88 ms 744 KB Output is correct
27 Correct 86 ms 576 KB Output is correct
28 Correct 86 ms 592 KB Output is correct
29 Correct 87 ms 348 KB Output is correct
30 Correct 87 ms 344 KB Output is correct
31 Correct 87 ms 600 KB Output is correct
32 Correct 86 ms 596 KB Output is correct
33 Correct 86 ms 348 KB Output is correct
34 Correct 87 ms 344 KB Output is correct
35 Correct 88 ms 588 KB Output is correct
36 Correct 87 ms 572 KB Output is correct
37 Correct 249 ms 572 KB Output is correct
38 Correct 254 ms 576 KB Output is correct
39 Correct 363 ms 348 KB Output is correct
40 Correct 408 ms 592 KB Output is correct
41 Correct 424 ms 600 KB Output is correct
42 Correct 359 ms 572 KB Output is correct
43 Correct 342 ms 848 KB Output is correct
44 Correct 362 ms 852 KB Output is correct
45 Correct 395 ms 852 KB Output is correct
46 Correct 467 ms 348 KB Output is correct
47 Correct 366 ms 576 KB Output is correct
48 Correct 368 ms 844 KB Output is correct
49 Correct 363 ms 592 KB Output is correct
50 Correct 364 ms 596 KB Output is correct
51 Correct 1 ms 600 KB Output is correct
52 Correct 403 ms 852 KB Output is correct
53 Correct 492 ms 832 KB Output is correct
54 Correct 648 ms 832 KB Output is correct
55 Correct 622 ms 960 KB Output is correct
56 Correct 498 ms 852 KB Output is correct
57 Correct 623 ms 1216 KB Output is correct
58 Correct 643 ms 836 KB Output is correct
59 Correct 641 ms 980 KB Output is correct
60 Correct 2 ms 600 KB Output is correct
61 Correct 639 ms 976 KB Output is correct
62 Correct 540 ms 1212 KB Output is correct
63 Correct 532 ms 984 KB Output is correct
64 Correct 524 ms 984 KB Output is correct
65 Correct 542 ms 592 KB Output is correct
66 Correct 530 ms 596 KB Output is correct
67 Correct 801 ms 984 KB Output is correct
68 Correct 2 ms 604 KB Output is correct
69 Execution timed out 1096 ms 544 KB Time limit exceeded
70 Halted 0 ms 0 KB -