답안 #670334

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
670334 2022-12-08T17:11:23 Z mychecksedad Bootfall (IZhO17_bootfall) C++17
65 / 100
636 ms 4652 KB
/* 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;
 
}
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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 -