Submission #906880

# Submission time Handle Problem Language Result Execution time Memory
906880 2024-01-15T04:29:09 Z daoquanglinh2007 Bootfall (IZhO17_bootfall) C++17
65 / 100
449 ms 3156 KB
#include <bits/stdc++.h>
using namespace std;

const int NM = 500, MOD = 1e9+321;

int N, a[NM+5], sum = 0, dp[NM*NM+5], dp0[NM*NM+5], K = 0;
bool ok[NM*NM+5];

void add(int x){
	for (int i = NM*NM; i >= x; i--)
		dp[i] = (dp[i]+dp[i-x])%MOD;
}

void remove(int x){
	for (int i = x; i <= NM*NM; i++)
		dp[i] = (dp[i]+MOD-dp[i-x])%MOD;
}

void solve(int t){
	for (int i = 0; i <= NM*NM; i++) dp[i] = dp0[i];
	remove(a[t]);
	
	for (int i = 1; i <= NM*NM; i++)
		if ((sum-a[t]+i)%2 != 0 || (sum-a[t]+i)/2-i < 0 || !dp[(sum-a[t]+i)/2-i]) ok[i] = 0;
}

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	
	cin >> N;
	dp[0] = 1;
	for (int i = 1; i <= N; i++){
		cin >> a[i];
		sum += a[i];
		add(a[i]);
	}
	if (sum%2 != 0 || !dp[sum/2]){
		cout << "0\n";
		return 0;
	}
	for (int i = 0; i <= NM*NM; i++){
		dp0[i] = dp[i];
		ok[i] = 1;
	}
	for (int i = 1; i <= N; i++)
		solve(i);
		
	for (int i = 1; i <= NM*NM; i++) K += ok[i];
	
	cout << K << '\n';
	for (int i = 1; i <= NM*NM; i++)
		if (ok[i]) cout << i << ' ';
		
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 9 ms 2652 KB Output is correct
2 Correct 8 ms 2652 KB Output is correct
3 Correct 2 ms 1372 KB Output is correct
4 Correct 6 ms 2652 KB Output is correct
5 Correct 14 ms 2512 KB Output is correct
6 Correct 10 ms 2652 KB Output is correct
7 Correct 8 ms 2652 KB Output is correct
8 Correct 16 ms 2904 KB Output is correct
9 Correct 12 ms 2652 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 2652 KB Output is correct
2 Correct 8 ms 2652 KB Output is correct
3 Correct 2 ms 1372 KB Output is correct
4 Correct 6 ms 2652 KB Output is correct
5 Correct 14 ms 2512 KB Output is correct
6 Correct 10 ms 2652 KB Output is correct
7 Correct 8 ms 2652 KB Output is correct
8 Correct 16 ms 2904 KB Output is correct
9 Correct 12 ms 2652 KB Output is correct
10 Correct 29 ms 2508 KB Output is correct
11 Correct 31 ms 2652 KB Output is correct
12 Correct 37 ms 2468 KB Output is correct
13 Correct 25 ms 2652 KB Output is correct
14 Correct 26 ms 2652 KB Output is correct
15 Correct 29 ms 2652 KB Output is correct
16 Correct 33 ms 2652 KB Output is correct
17 Correct 19 ms 2652 KB Output is correct
18 Correct 23 ms 2652 KB Output is correct
19 Correct 25 ms 2652 KB Output is correct
20 Correct 26 ms 2472 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 2652 KB Output is correct
2 Correct 8 ms 2652 KB Output is correct
3 Correct 2 ms 1372 KB Output is correct
4 Correct 6 ms 2652 KB Output is correct
5 Correct 14 ms 2512 KB Output is correct
6 Correct 10 ms 2652 KB Output is correct
7 Correct 8 ms 2652 KB Output is correct
8 Correct 16 ms 2904 KB Output is correct
9 Correct 12 ms 2652 KB Output is correct
10 Correct 29 ms 2508 KB Output is correct
11 Correct 31 ms 2652 KB Output is correct
12 Correct 37 ms 2468 KB Output is correct
13 Correct 25 ms 2652 KB Output is correct
14 Correct 26 ms 2652 KB Output is correct
15 Correct 29 ms 2652 KB Output is correct
16 Correct 33 ms 2652 KB Output is correct
17 Correct 19 ms 2652 KB Output is correct
18 Correct 23 ms 2652 KB Output is correct
19 Correct 25 ms 2652 KB Output is correct
20 Correct 26 ms 2472 KB Output is correct
21 Correct 57 ms 2644 KB Output is correct
22 Correct 67 ms 2652 KB Output is correct
23 Correct 56 ms 2640 KB Output is correct
24 Correct 90 ms 2632 KB Output is correct
25 Correct 95 ms 2632 KB Output is correct
26 Correct 85 ms 2652 KB Output is correct
27 Correct 93 ms 2640 KB Output is correct
28 Correct 96 ms 2640 KB Output is correct
29 Correct 87 ms 2644 KB Output is correct
30 Correct 91 ms 2388 KB Output is correct
31 Correct 101 ms 2704 KB Output is correct
32 Correct 89 ms 2644 KB Output is correct
33 Correct 87 ms 2636 KB Output is correct
34 Correct 85 ms 2632 KB Output is correct
35 Correct 97 ms 2644 KB Output is correct
36 Correct 87 ms 2632 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 2652 KB Output is correct
2 Correct 8 ms 2652 KB Output is correct
3 Correct 2 ms 1372 KB Output is correct
4 Correct 6 ms 2652 KB Output is correct
5 Correct 14 ms 2512 KB Output is correct
6 Correct 10 ms 2652 KB Output is correct
7 Correct 8 ms 2652 KB Output is correct
8 Correct 16 ms 2904 KB Output is correct
9 Correct 12 ms 2652 KB Output is correct
10 Correct 29 ms 2508 KB Output is correct
11 Correct 31 ms 2652 KB Output is correct
12 Correct 37 ms 2468 KB Output is correct
13 Correct 25 ms 2652 KB Output is correct
14 Correct 26 ms 2652 KB Output is correct
15 Correct 29 ms 2652 KB Output is correct
16 Correct 33 ms 2652 KB Output is correct
17 Correct 19 ms 2652 KB Output is correct
18 Correct 23 ms 2652 KB Output is correct
19 Correct 25 ms 2652 KB Output is correct
20 Correct 26 ms 2472 KB Output is correct
21 Correct 57 ms 2644 KB Output is correct
22 Correct 67 ms 2652 KB Output is correct
23 Correct 56 ms 2640 KB Output is correct
24 Correct 90 ms 2632 KB Output is correct
25 Correct 95 ms 2632 KB Output is correct
26 Correct 85 ms 2652 KB Output is correct
27 Correct 93 ms 2640 KB Output is correct
28 Correct 96 ms 2640 KB Output is correct
29 Correct 87 ms 2644 KB Output is correct
30 Correct 91 ms 2388 KB Output is correct
31 Correct 101 ms 2704 KB Output is correct
32 Correct 89 ms 2644 KB Output is correct
33 Correct 87 ms 2636 KB Output is correct
34 Correct 85 ms 2632 KB Output is correct
35 Correct 97 ms 2644 KB Output is correct
36 Correct 87 ms 2632 KB Output is correct
37 Correct 167 ms 2460 KB Output is correct
38 Correct 174 ms 2440 KB Output is correct
39 Correct 218 ms 2644 KB Output is correct
40 Correct 225 ms 2636 KB Output is correct
41 Correct 227 ms 2464 KB Output is correct
42 Correct 217 ms 2900 KB Output is correct
43 Correct 211 ms 2644 KB Output is correct
44 Correct 235 ms 2644 KB Output is correct
45 Correct 224 ms 2644 KB Output is correct
46 Correct 232 ms 2388 KB Output is correct
47 Correct 217 ms 2636 KB Output is correct
48 Correct 216 ms 2632 KB Output is correct
49 Correct 230 ms 2644 KB Output is correct
50 Correct 215 ms 2644 KB Output is correct
51 Correct 75 ms 1420 KB Output is correct
52 Correct 241 ms 2644 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 2652 KB Output is correct
2 Correct 8 ms 2652 KB Output is correct
3 Correct 2 ms 1372 KB Output is correct
4 Correct 6 ms 2652 KB Output is correct
5 Correct 14 ms 2512 KB Output is correct
6 Correct 10 ms 2652 KB Output is correct
7 Correct 8 ms 2652 KB Output is correct
8 Correct 16 ms 2904 KB Output is correct
9 Correct 12 ms 2652 KB Output is correct
10 Correct 29 ms 2508 KB Output is correct
11 Correct 31 ms 2652 KB Output is correct
12 Correct 37 ms 2468 KB Output is correct
13 Correct 25 ms 2652 KB Output is correct
14 Correct 26 ms 2652 KB Output is correct
15 Correct 29 ms 2652 KB Output is correct
16 Correct 33 ms 2652 KB Output is correct
17 Correct 19 ms 2652 KB Output is correct
18 Correct 23 ms 2652 KB Output is correct
19 Correct 25 ms 2652 KB Output is correct
20 Correct 26 ms 2472 KB Output is correct
21 Correct 57 ms 2644 KB Output is correct
22 Correct 67 ms 2652 KB Output is correct
23 Correct 56 ms 2640 KB Output is correct
24 Correct 90 ms 2632 KB Output is correct
25 Correct 95 ms 2632 KB Output is correct
26 Correct 85 ms 2652 KB Output is correct
27 Correct 93 ms 2640 KB Output is correct
28 Correct 96 ms 2640 KB Output is correct
29 Correct 87 ms 2644 KB Output is correct
30 Correct 91 ms 2388 KB Output is correct
31 Correct 101 ms 2704 KB Output is correct
32 Correct 89 ms 2644 KB Output is correct
33 Correct 87 ms 2636 KB Output is correct
34 Correct 85 ms 2632 KB Output is correct
35 Correct 97 ms 2644 KB Output is correct
36 Correct 87 ms 2632 KB Output is correct
37 Correct 167 ms 2460 KB Output is correct
38 Correct 174 ms 2440 KB Output is correct
39 Correct 218 ms 2644 KB Output is correct
40 Correct 225 ms 2636 KB Output is correct
41 Correct 227 ms 2464 KB Output is correct
42 Correct 217 ms 2900 KB Output is correct
43 Correct 211 ms 2644 KB Output is correct
44 Correct 235 ms 2644 KB Output is correct
45 Correct 224 ms 2644 KB Output is correct
46 Correct 232 ms 2388 KB Output is correct
47 Correct 217 ms 2636 KB Output is correct
48 Correct 216 ms 2632 KB Output is correct
49 Correct 230 ms 2644 KB Output is correct
50 Correct 215 ms 2644 KB Output is correct
51 Correct 75 ms 1420 KB Output is correct
52 Correct 241 ms 2644 KB Output is correct
53 Correct 260 ms 2712 KB Output is correct
54 Correct 292 ms 2636 KB Output is correct
55 Correct 315 ms 2888 KB Output is correct
56 Correct 261 ms 2648 KB Output is correct
57 Correct 316 ms 2700 KB Output is correct
58 Correct 309 ms 2644 KB Output is correct
59 Correct 305 ms 2636 KB Output is correct
60 Correct 105 ms 1416 KB Output is correct
61 Correct 347 ms 2632 KB Output is correct
62 Correct 304 ms 2900 KB Output is correct
63 Correct 278 ms 2676 KB Output is correct
64 Correct 271 ms 2900 KB Output is correct
65 Correct 280 ms 2456 KB Output is correct
66 Correct 262 ms 2464 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 2652 KB Output is correct
2 Correct 8 ms 2652 KB Output is correct
3 Correct 2 ms 1372 KB Output is correct
4 Correct 6 ms 2652 KB Output is correct
5 Correct 14 ms 2512 KB Output is correct
6 Correct 10 ms 2652 KB Output is correct
7 Correct 8 ms 2652 KB Output is correct
8 Correct 16 ms 2904 KB Output is correct
9 Correct 12 ms 2652 KB Output is correct
10 Correct 29 ms 2508 KB Output is correct
11 Correct 31 ms 2652 KB Output is correct
12 Correct 37 ms 2468 KB Output is correct
13 Correct 25 ms 2652 KB Output is correct
14 Correct 26 ms 2652 KB Output is correct
15 Correct 29 ms 2652 KB Output is correct
16 Correct 33 ms 2652 KB Output is correct
17 Correct 19 ms 2652 KB Output is correct
18 Correct 23 ms 2652 KB Output is correct
19 Correct 25 ms 2652 KB Output is correct
20 Correct 26 ms 2472 KB Output is correct
21 Correct 57 ms 2644 KB Output is correct
22 Correct 67 ms 2652 KB Output is correct
23 Correct 56 ms 2640 KB Output is correct
24 Correct 90 ms 2632 KB Output is correct
25 Correct 95 ms 2632 KB Output is correct
26 Correct 85 ms 2652 KB Output is correct
27 Correct 93 ms 2640 KB Output is correct
28 Correct 96 ms 2640 KB Output is correct
29 Correct 87 ms 2644 KB Output is correct
30 Correct 91 ms 2388 KB Output is correct
31 Correct 101 ms 2704 KB Output is correct
32 Correct 89 ms 2644 KB Output is correct
33 Correct 87 ms 2636 KB Output is correct
34 Correct 85 ms 2632 KB Output is correct
35 Correct 97 ms 2644 KB Output is correct
36 Correct 87 ms 2632 KB Output is correct
37 Correct 167 ms 2460 KB Output is correct
38 Correct 174 ms 2440 KB Output is correct
39 Correct 218 ms 2644 KB Output is correct
40 Correct 225 ms 2636 KB Output is correct
41 Correct 227 ms 2464 KB Output is correct
42 Correct 217 ms 2900 KB Output is correct
43 Correct 211 ms 2644 KB Output is correct
44 Correct 235 ms 2644 KB Output is correct
45 Correct 224 ms 2644 KB Output is correct
46 Correct 232 ms 2388 KB Output is correct
47 Correct 217 ms 2636 KB Output is correct
48 Correct 216 ms 2632 KB Output is correct
49 Correct 230 ms 2644 KB Output is correct
50 Correct 215 ms 2644 KB Output is correct
51 Correct 75 ms 1420 KB Output is correct
52 Correct 241 ms 2644 KB Output is correct
53 Correct 260 ms 2712 KB Output is correct
54 Correct 292 ms 2636 KB Output is correct
55 Correct 315 ms 2888 KB Output is correct
56 Correct 261 ms 2648 KB Output is correct
57 Correct 316 ms 2700 KB Output is correct
58 Correct 309 ms 2644 KB Output is correct
59 Correct 305 ms 2636 KB Output is correct
60 Correct 105 ms 1416 KB Output is correct
61 Correct 347 ms 2632 KB Output is correct
62 Correct 304 ms 2900 KB Output is correct
63 Correct 278 ms 2676 KB Output is correct
64 Correct 271 ms 2900 KB Output is correct
65 Correct 280 ms 2456 KB Output is correct
66 Correct 262 ms 2464 KB Output is correct
67 Correct 344 ms 2700 KB Output is correct
68 Correct 155 ms 1416 KB Output is correct
69 Correct 449 ms 3156 KB Output is correct
70 Correct 437 ms 2892 KB Output is correct
71 Incorrect 429 ms 2892 KB Output isn't correct
72 Halted 0 ms 0 KB -