oj.uz

답안 #873276

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
873276 2023-11-14T17:56:41 Z c2zi6 Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 1240 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")
#pragma GCC optimize("unroll-loops")

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])) { */
				if (newsum % 2 || newsum/2 < x || !pos[newsum/2]) {
					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();
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 600 KB Output is correct
2 Correct 3 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 7 ms 344 KB Output is correct
6 Correct 5 ms 348 KB Output is correct
7 Correct 4 ms 348 KB Output is correct
8 Correct 7 ms 608 KB Output is correct
9 Correct 5 ms 348 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 600 KB Output is correct
2 Correct 3 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 7 ms 344 KB Output is correct
6 Correct 5 ms 348 KB Output is correct
7 Correct 4 ms 348 KB Output is correct
8 Correct 7 ms 608 KB Output is correct
9 Correct 5 ms 348 KB Output is correct
10 Correct 18 ms 348 KB Output is correct
11 Correct 18 ms 348 KB Output is correct
12 Correct 18 ms 348 KB Output is correct
13 Correct 16 ms 600 KB Output is correct
14 Correct 16 ms 344 KB Output is correct
15 Correct 16 ms 604 KB Output is correct
16 Correct 18 ms 348 KB Output is correct
17 Correct 10 ms 604 KB Output is correct
18 Correct 14 ms 348 KB Output is correct
19 Correct 15 ms 604 KB Output is correct
20 Correct 18 ms 348 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 600 KB Output is correct
2 Correct 3 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 7 ms 344 KB Output is correct
6 Correct 5 ms 348 KB Output is correct
7 Correct 4 ms 348 KB Output is correct
8 Correct 7 ms 608 KB Output is correct
9 Correct 5 ms 348 KB Output is correct
10 Correct 18 ms 348 KB Output is correct
11 Correct 18 ms 348 KB Output is correct
12 Correct 18 ms 348 KB Output is correct
13 Correct 16 ms 600 KB Output is correct
14 Correct 16 ms 344 KB Output is correct
15 Correct 16 ms 604 KB Output is correct
16 Correct 18 ms 348 KB Output is correct
17 Correct 10 ms 604 KB Output is correct
18 Correct 14 ms 348 KB Output is correct
19 Correct 15 ms 604 KB Output is correct
20 Correct 18 ms 348 KB Output is correct
21 Correct 45 ms 588 KB Output is correct
22 Correct 56 ms 572 KB Output is correct
23 Correct 33 ms 592 KB Output is correct
24 Correct 77 ms 596 KB Output is correct
25 Correct 78 ms 596 KB Output is correct
26 Correct 85 ms 576 KB Output is correct
27 Correct 85 ms 596 KB Output is correct
28 Correct 87 ms 592 KB Output is correct
29 Correct 85 ms 348 KB Output is correct
30 Correct 85 ms 576 KB Output is correct
31 Correct 86 ms 592 KB Output is correct
32 Correct 85 ms 576 KB Output is correct
33 Correct 90 ms 576 KB Output is correct
34 Correct 84 ms 344 KB Output is correct
35 Correct 86 ms 348 KB Output is correct
36 Correct 85 ms 596 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 600 KB Output is correct
2 Correct 3 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 7 ms 344 KB Output is correct
6 Correct 5 ms 348 KB Output is correct
7 Correct 4 ms 348 KB Output is correct
8 Correct 7 ms 608 KB Output is correct
9 Correct 5 ms 348 KB Output is correct
10 Correct 18 ms 348 KB Output is correct
11 Correct 18 ms 348 KB Output is correct
12 Correct 18 ms 348 KB Output is correct
13 Correct 16 ms 600 KB Output is correct
14 Correct 16 ms 344 KB Output is correct
15 Correct 16 ms 604 KB Output is correct
16 Correct 18 ms 348 KB Output is correct
17 Correct 10 ms 604 KB Output is correct
18 Correct 14 ms 348 KB Output is correct
19 Correct 15 ms 604 KB Output is correct
20 Correct 18 ms 348 KB Output is correct
21 Correct 45 ms 588 KB Output is correct
22 Correct 56 ms 572 KB Output is correct
23 Correct 33 ms 592 KB Output is correct
24 Correct 77 ms 596 KB Output is correct
25 Correct 78 ms 596 KB Output is correct
26 Correct 85 ms 576 KB Output is correct
27 Correct 85 ms 596 KB Output is correct
28 Correct 87 ms 592 KB Output is correct
29 Correct 85 ms 348 KB Output is correct
30 Correct 85 ms 576 KB Output is correct
31 Correct 86 ms 592 KB Output is correct
32 Correct 85 ms 576 KB Output is correct
33 Correct 90 ms 576 KB Output is correct
34 Correct 84 ms 344 KB Output is correct
35 Correct 86 ms 348 KB Output is correct
36 Correct 85 ms 596 KB Output is correct
37 Correct 250 ms 596 KB Output is correct
38 Correct 246 ms 576 KB Output is correct
39 Correct 358 ms 344 KB Output is correct
40 Correct 404 ms 580 KB Output is correct
41 Correct 418 ms 596 KB Output is correct
42 Correct 356 ms 600 KB Output is correct
43 Correct 337 ms 852 KB Output is correct
44 Correct 348 ms 848 KB Output is correct
45 Correct 351 ms 828 KB Output is correct
46 Correct 406 ms 344 KB Output is correct
47 Correct 359 ms 572 KB Output is correct
48 Correct 352 ms 828 KB Output is correct
49 Correct 361 ms 576 KB Output is correct
50 Correct 354 ms 596 KB Output is correct
51 Correct 1 ms 344 KB Output is correct
52 Correct 404 ms 836 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 600 KB Output is correct
2 Correct 3 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 7 ms 344 KB Output is correct
6 Correct 5 ms 348 KB Output is correct
7 Correct 4 ms 348 KB Output is correct
8 Correct 7 ms 608 KB Output is correct
9 Correct 5 ms 348 KB Output is correct
10 Correct 18 ms 348 KB Output is correct
11 Correct 18 ms 348 KB Output is correct
12 Correct 18 ms 348 KB Output is correct
13 Correct 16 ms 600 KB Output is correct
14 Correct 16 ms 344 KB Output is correct
15 Correct 16 ms 604 KB Output is correct
16 Correct 18 ms 348 KB Output is correct
17 Correct 10 ms 604 KB Output is correct
18 Correct 14 ms 348 KB Output is correct
19 Correct 15 ms 604 KB Output is correct
20 Correct 18 ms 348 KB Output is correct
21 Correct 45 ms 588 KB Output is correct
22 Correct 56 ms 572 KB Output is correct
23 Correct 33 ms 592 KB Output is correct
24 Correct 77 ms 596 KB Output is correct
25 Correct 78 ms 596 KB Output is correct
26 Correct 85 ms 576 KB Output is correct
27 Correct 85 ms 596 KB Output is correct
28 Correct 87 ms 592 KB Output is correct
29 Correct 85 ms 348 KB Output is correct
30 Correct 85 ms 576 KB Output is correct
31 Correct 86 ms 592 KB Output is correct
32 Correct 85 ms 576 KB Output is correct
33 Correct 90 ms 576 KB Output is correct
34 Correct 84 ms 344 KB Output is correct
35 Correct 86 ms 348 KB Output is correct
36 Correct 85 ms 596 KB Output is correct
37 Correct 250 ms 596 KB Output is correct
38 Correct 246 ms 576 KB Output is correct
39 Correct 358 ms 344 KB Output is correct
40 Correct 404 ms 580 KB Output is correct
41 Correct 418 ms 596 KB Output is correct
42 Correct 356 ms 600 KB Output is correct
43 Correct 337 ms 852 KB Output is correct
44 Correct 348 ms 848 KB Output is correct
45 Correct 351 ms 828 KB Output is correct
46 Correct 406 ms 344 KB Output is correct
47 Correct 359 ms 572 KB Output is correct
48 Correct 352 ms 828 KB Output is correct
49 Correct 361 ms 576 KB Output is correct
50 Correct 354 ms 596 KB Output is correct
51 Correct 1 ms 344 KB Output is correct
52 Correct 404 ms 836 KB Output is correct
53 Correct 484 ms 828 KB Output is correct
54 Correct 630 ms 852 KB Output is correct
55 Correct 617 ms 984 KB Output is correct
56 Correct 498 ms 848 KB Output is correct
57 Correct 614 ms 1240 KB Output is correct
58 Correct 634 ms 836 KB Output is correct
59 Correct 636 ms 964 KB Output is correct
60 Correct 2 ms 348 KB Output is correct
61 Correct 627 ms 976 KB Output is correct
62 Correct 526 ms 980 KB Output is correct
63 Correct 532 ms 964 KB Output is correct
64 Correct 512 ms 984 KB Output is correct
65 Correct 539 ms 596 KB Output is correct
66 Correct 524 ms 596 KB Output is correct

Subtask #6
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 600 KB Output is correct
2 Correct 3 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 7 ms 344 KB Output is correct
6 Correct 5 ms 348 KB Output is correct
7 Correct 4 ms 348 KB Output is correct
8 Correct 7 ms 608 KB Output is correct
9 Correct 5 ms 348 KB Output is correct
10 Correct 18 ms 348 KB Output is correct
11 Correct 18 ms 348 KB Output is correct
12 Correct 18 ms 348 KB Output is correct
13 Correct 16 ms 600 KB Output is correct
14 Correct 16 ms 344 KB Output is correct
15 Correct 16 ms 604 KB Output is correct
16 Correct 18 ms 348 KB Output is correct
17 Correct 10 ms 604 KB Output is correct
18 Correct 14 ms 348 KB Output is correct
19 Correct 15 ms 604 KB Output is correct
20 Correct 18 ms 348 KB Output is correct
21 Correct 45 ms 588 KB Output is correct
22 Correct 56 ms 572 KB Output is correct
23 Correct 33 ms 592 KB Output is correct
24 Correct 77 ms 596 KB Output is correct
25 Correct 78 ms 596 KB Output is correct
26 Correct 85 ms 576 KB Output is correct
27 Correct 85 ms 596 KB Output is correct
28 Correct 87 ms 592 KB Output is correct
29 Correct 85 ms 348 KB Output is correct
30 Correct 85 ms 576 KB Output is correct
31 Correct 86 ms 592 KB Output is correct
32 Correct 85 ms 576 KB Output is correct
33 Correct 90 ms 576 KB Output is correct
34 Correct 84 ms 344 KB Output is correct
35 Correct 86 ms 348 KB Output is correct
36 Correct 85 ms 596 KB Output is correct
37 Correct 250 ms 596 KB Output is correct
38 Correct 246 ms 576 KB Output is correct
39 Correct 358 ms 344 KB Output is correct
40 Correct 404 ms 580 KB Output is correct
41 Correct 418 ms 596 KB Output is correct
42 Correct 356 ms 600 KB Output is correct
43 Correct 337 ms 852 KB Output is correct
44 Correct 348 ms 848 KB Output is correct
45 Correct 351 ms 828 KB Output is correct
46 Correct 406 ms 344 KB Output is correct
47 Correct 359 ms 572 KB Output is correct
48 Correct 352 ms 828 KB Output is correct
49 Correct 361 ms 576 KB Output is correct
50 Correct 354 ms 596 KB Output is correct
51 Correct 1 ms 344 KB Output is correct
52 Correct 404 ms 836 KB Output is correct
53 Correct 484 ms 828 KB Output is correct
54 Correct 630 ms 852 KB Output is correct
55 Correct 617 ms 984 KB Output is correct
56 Correct 498 ms 848 KB Output is correct
57 Correct 614 ms 1240 KB Output is correct
58 Correct 634 ms 836 KB Output is correct
59 Correct 636 ms 964 KB Output is correct
60 Correct 2 ms 348 KB Output is correct
61 Correct 627 ms 976 KB Output is correct
62 Correct 526 ms 980 KB Output is correct
63 Correct 532 ms 964 KB Output is correct
64 Correct 512 ms 984 KB Output is correct
65 Correct 539 ms 596 KB Output is correct
66 Correct 524 ms 596 KB Output is correct
67 Correct 793 ms 980 KB Output is correct
68 Correct 2 ms 344 KB Output is correct
69 Execution timed out 1058 ms 348 KB Time limit exceeded
70 Halted 0 ms 0 KB -