oj.uz

Submission #1112935

# Submission time Handle Problem Language Result Execution time Memory
1112935 2024-11-15T09:37:11 Z adiyer Bootfall (IZhO17_bootfall) C++17
100 / 100
 136 ms 3060 KB 
#pragma optimize ("g",on)
#pragma GCC optimize("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
 
#include <bits/stdc++.h>
 
#define ios ios_base::sync_with_stdio(0); cin.tie(0);
#define pb push_back
 
using namespace std;
 
typedef int ll;
 
const int N = 5e2;
const int MAX = N * N;
 
short int n;
short int a[N];
 
int s;

int dp[MAX + 1];

vector < int > ans;

void sol(){
	cin >> n, dp[0] = 1;
	for(int i = 1; i <= MAX; i++) ans.pb(i);
	for(short int i = 0; i < n; i++){ 
		cin >> a[i], s += a[i];
		for(ll j = MAX; j >= a[i]; j--) dp[j] += dp[j - a[i]];
	}	
	if(s % 2 || dp[s / 2] == 0){
		cout << "0\n";
		return;
	}
	for(short int i = 0; i < n; i++){
		s -= a[i];
		for(int j = a[i]; j <= MAX; j++) dp[j] -= dp[j - a[i]];
		int j = 0;
		while(j < ans.size()){
			if(s < ans[j] || (s - ans[j]) % 2 || !dp[(s - ans[j]) / 2]){
				if(j < ans.size()) swap(ans[j], ans[ans.size() - 1]);
				ans.pop_back();
			}
			else{
				j++;
			}
		}
		s += a[i];
		for(int j = MAX; j >= a[i]; j--) dp[j] += dp[j - a[i]];
	}
	sort(ans.begin(), ans.end());
	cout << ans.size() << '\n';
	for(int x : ans) cout << x << ' ';
}
 
signed main(){
	ios                     
	sol();
// 	slow();
//  stress();
}

Compilation message

bootfall.cpp:1: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    1 | #pragma optimize ("g",on)
      | 
bootfall.cpp: In function 'void sol()':
bootfall.cpp:43:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |   while(j < ans.size()){
      |         ~~^~~~~~~~~~~~
bootfall.cpp:45:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |     if(j < ans.size()) swap(ans[j], ans[ans.size() - 1]);
      |        ~~^~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2508 KB Output is correct
2 Correct 6 ms 2508 KB Output is correct
3 Correct 3 ms 2508 KB Output is correct
4 Correct 4 ms 2508 KB Output is correct
5 Correct 5 ms 2508 KB Output is correct
6 Correct 5 ms 2508 KB Output is correct
7 Correct 4 ms 2452 KB Output is correct
8 Correct 5 ms 2508 KB Output is correct
9 Correct 5 ms 2508 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2508 KB Output is correct
2 Correct 6 ms 2508 KB Output is correct
3 Correct 3 ms 2508 KB Output is correct
4 Correct 4 ms 2508 KB Output is correct
5 Correct 5 ms 2508 KB Output is correct
6 Correct 5 ms 2508 KB Output is correct
7 Correct 4 ms 2452 KB Output is correct
8 Correct 5 ms 2508 KB Output is correct
9 Correct 5 ms 2508 KB Output is correct
10 Correct 9 ms 2508 KB Output is correct
11 Correct 12 ms 2680 KB Output is correct
12 Correct 11 ms 2508 KB Output is correct
13 Correct 12 ms 2508 KB Output is correct
14 Correct 12 ms 2508 KB Output is correct
15 Correct 12 ms 2508 KB Output is correct
16 Correct 11 ms 2508 KB Output is correct
17 Correct 9 ms 2372 KB Output is correct
18 Correct 11 ms 2508 KB Output is correct
19 Correct 13 ms 2508 KB Output is correct
20 Correct 7 ms 2520 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2508 KB Output is correct
2 Correct 6 ms 2508 KB Output is correct
3 Correct 3 ms 2508 KB Output is correct
4 Correct 4 ms 2508 KB Output is correct
5 Correct 5 ms 2508 KB Output is correct
6 Correct 5 ms 2508 KB Output is correct
7 Correct 4 ms 2452 KB Output is correct
8 Correct 5 ms 2508 KB Output is correct
9 Correct 5 ms 2508 KB Output is correct
10 Correct 9 ms 2508 KB Output is correct
11 Correct 12 ms 2680 KB Output is correct
12 Correct 11 ms 2508 KB Output is correct
13 Correct 12 ms 2508 KB Output is correct
14 Correct 12 ms 2508 KB Output is correct
15 Correct 12 ms 2508 KB Output is correct
16 Correct 11 ms 2508 KB Output is correct
17 Correct 9 ms 2372 KB Output is correct
18 Correct 11 ms 2508 KB Output is correct
19 Correct 13 ms 2508 KB Output is correct
20 Correct 7 ms 2520 KB Output is correct
21 Correct 14 ms 2508 KB Output is correct
22 Correct 15 ms 2552 KB Output is correct
23 Correct 11 ms 2680 KB Output is correct
24 Correct 20 ms 2724 KB Output is correct
25 Correct 15 ms 2508 KB Output is correct
26 Correct 16 ms 2508 KB Output is correct
27 Correct 17 ms 2508 KB Output is correct
28 Correct 16 ms 2520 KB Output is correct
29 Correct 20 ms 2756 KB Output is correct
30 Correct 20 ms 2508 KB Output is correct
31 Correct 16 ms 2676 KB Output is correct
32 Correct 20 ms 2508 KB Output is correct
33 Correct 14 ms 2508 KB Output is correct
34 Correct 15 ms 2676 KB Output is correct
35 Correct 14 ms 2508 KB Output is correct
36 Correct 21 ms 2508 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2508 KB Output is correct
2 Correct 6 ms 2508 KB Output is correct
3 Correct 3 ms 2508 KB Output is correct
4 Correct 4 ms 2508 KB Output is correct
5 Correct 5 ms 2508 KB Output is correct
6 Correct 5 ms 2508 KB Output is correct
7 Correct 4 ms 2452 KB Output is correct
8 Correct 5 ms 2508 KB Output is correct
9 Correct 5 ms 2508 KB Output is correct
10 Correct 9 ms 2508 KB Output is correct
11 Correct 12 ms 2680 KB Output is correct
12 Correct 11 ms 2508 KB Output is correct
13 Correct 12 ms 2508 KB Output is correct
14 Correct 12 ms 2508 KB Output is correct
15 Correct 12 ms 2508 KB Output is correct
16 Correct 11 ms 2508 KB Output is correct
17 Correct 9 ms 2372 KB Output is correct
18 Correct 11 ms 2508 KB Output is correct
19 Correct 13 ms 2508 KB Output is correct
20 Correct 7 ms 2520 KB Output is correct
21 Correct 14 ms 2508 KB Output is correct
22 Correct 15 ms 2552 KB Output is correct
23 Correct 11 ms 2680 KB Output is correct
24 Correct 20 ms 2724 KB Output is correct
25 Correct 15 ms 2508 KB Output is correct
26 Correct 16 ms 2508 KB Output is correct
27 Correct 17 ms 2508 KB Output is correct
28 Correct 16 ms 2520 KB Output is correct
29 Correct 20 ms 2756 KB Output is correct
30 Correct 20 ms 2508 KB Output is correct
31 Correct 16 ms 2676 KB Output is correct
32 Correct 20 ms 2508 KB Output is correct
33 Correct 14 ms 2508 KB Output is correct
34 Correct 15 ms 2676 KB Output is correct
35 Correct 14 ms 2508 KB Output is correct
36 Correct 21 ms 2508 KB Output is correct
37 Correct 28 ms 2508 KB Output is correct
38 Correct 29 ms 2548 KB Output is correct
39 Correct 31 ms 2508 KB Output is correct
40 Correct 45 ms 2556 KB Output is correct
41 Correct 33 ms 2676 KB Output is correct
42 Correct 48 ms 2508 KB Output is correct
43 Correct 39 ms 2508 KB Output is correct
44 Correct 46 ms 2548 KB Output is correct
45 Correct 39 ms 2548 KB Output is correct
46 Correct 35 ms 2680 KB Output is correct
47 Correct 41 ms 2552 KB Output is correct
48 Correct 38 ms 2508 KB Output is correct
49 Correct 31 ms 2508 KB Output is correct
50 Correct 40 ms 2508 KB Output is correct
51 Correct 13 ms 2508 KB Output is correct
52 Correct 43 ms 2544 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2508 KB Output is correct
2 Correct 6 ms 2508 KB Output is correct
3 Correct 3 ms 2508 KB Output is correct
4 Correct 4 ms 2508 KB Output is correct
5 Correct 5 ms 2508 KB Output is correct
6 Correct 5 ms 2508 KB Output is correct
7 Correct 4 ms 2452 KB Output is correct
8 Correct 5 ms 2508 KB Output is correct
9 Correct 5 ms 2508 KB Output is correct
10 Correct 9 ms 2508 KB Output is correct
11 Correct 12 ms 2680 KB Output is correct
12 Correct 11 ms 2508 KB Output is correct
13 Correct 12 ms 2508 KB Output is correct
14 Correct 12 ms 2508 KB Output is correct
15 Correct 12 ms 2508 KB Output is correct
16 Correct 11 ms 2508 KB Output is correct
17 Correct 9 ms 2372 KB Output is correct
18 Correct 11 ms 2508 KB Output is correct
19 Correct 13 ms 2508 KB Output is correct
20 Correct 7 ms 2520 KB Output is correct
21 Correct 14 ms 2508 KB Output is correct
22 Correct 15 ms 2552 KB Output is correct
23 Correct 11 ms 2680 KB Output is correct
24 Correct 20 ms 2724 KB Output is correct
25 Correct 15 ms 2508 KB Output is correct
26 Correct 16 ms 2508 KB Output is correct
27 Correct 17 ms 2508 KB Output is correct
28 Correct 16 ms 2520 KB Output is correct
29 Correct 20 ms 2756 KB Output is correct
30 Correct 20 ms 2508 KB Output is correct
31 Correct 16 ms 2676 KB Output is correct
32 Correct 20 ms 2508 KB Output is correct
33 Correct 14 ms 2508 KB Output is correct
34 Correct 15 ms 2676 KB Output is correct
35 Correct 14 ms 2508 KB Output is correct
36 Correct 21 ms 2508 KB Output is correct
37 Correct 28 ms 2508 KB Output is correct
38 Correct 29 ms 2548 KB Output is correct
39 Correct 31 ms 2508 KB Output is correct
40 Correct 45 ms 2556 KB Output is correct
41 Correct 33 ms 2676 KB Output is correct
42 Correct 48 ms 2508 KB Output is correct
43 Correct 39 ms 2508 KB Output is correct
44 Correct 46 ms 2548 KB Output is correct
45 Correct 39 ms 2548 KB Output is correct
46 Correct 35 ms 2680 KB Output is correct
47 Correct 41 ms 2552 KB Output is correct
48 Correct 38 ms 2508 KB Output is correct
49 Correct 31 ms 2508 KB Output is correct
50 Correct 40 ms 2508 KB Output is correct
51 Correct 13 ms 2508 KB Output is correct
52 Correct 43 ms 2544 KB Output is correct
53 Correct 50 ms 2508 KB Output is correct
54 Correct 53 ms 2508 KB Output is correct
55 Correct 65 ms 2756 KB Output is correct
56 Correct 49 ms 2508 KB Output is correct
57 Correct 68 ms 2756 KB Output is correct
58 Correct 59 ms 2560 KB Output is correct
59 Correct 58 ms 2776 KB Output is correct
60 Correct 17 ms 2508 KB Output is correct
61 Correct 60 ms 2756 KB Output is correct
62 Correct 62 ms 2756 KB Output is correct
63 Correct 61 ms 2756 KB Output is correct
64 Correct 57 ms 2756 KB Output is correct
65 Correct 37 ms 2508 KB Output is correct
66 Correct 46 ms 2508 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2508 KB Output is correct
2 Correct 6 ms 2508 KB Output is correct
3 Correct 3 ms 2508 KB Output is correct
4 Correct 4 ms 2508 KB Output is correct
5 Correct 5 ms 2508 KB Output is correct
6 Correct 5 ms 2508 KB Output is correct
7 Correct 4 ms 2452 KB Output is correct
8 Correct 5 ms 2508 KB Output is correct
9 Correct 5 ms 2508 KB Output is correct
10 Correct 9 ms 2508 KB Output is correct
11 Correct 12 ms 2680 KB Output is correct
12 Correct 11 ms 2508 KB Output is correct
13 Correct 12 ms 2508 KB Output is correct
14 Correct 12 ms 2508 KB Output is correct
15 Correct 12 ms 2508 KB Output is correct
16 Correct 11 ms 2508 KB Output is correct
17 Correct 9 ms 2372 KB Output is correct
18 Correct 11 ms 2508 KB Output is correct
19 Correct 13 ms 2508 KB Output is correct
20 Correct 7 ms 2520 KB Output is correct
21 Correct 14 ms 2508 KB Output is correct
22 Correct 15 ms 2552 KB Output is correct
23 Correct 11 ms 2680 KB Output is correct
24 Correct 20 ms 2724 KB Output is correct
25 Correct 15 ms 2508 KB Output is correct
26 Correct 16 ms 2508 KB Output is correct
27 Correct 17 ms 2508 KB Output is correct
28 Correct 16 ms 2520 KB Output is correct
29 Correct 20 ms 2756 KB Output is correct
30 Correct 20 ms 2508 KB Output is correct
31 Correct 16 ms 2676 KB Output is correct
32 Correct 20 ms 2508 KB Output is correct
33 Correct 14 ms 2508 KB Output is correct
34 Correct 15 ms 2676 KB Output is correct
35 Correct 14 ms 2508 KB Output is correct
36 Correct 21 ms 2508 KB Output is correct
37 Correct 28 ms 2508 KB Output is correct
38 Correct 29 ms 2548 KB Output is correct
39 Correct 31 ms 2508 KB Output is correct
40 Correct 45 ms 2556 KB Output is correct
41 Correct 33 ms 2676 KB Output is correct
42 Correct 48 ms 2508 KB Output is correct
43 Correct 39 ms 2508 KB Output is correct
44 Correct 46 ms 2548 KB Output is correct
45 Correct 39 ms 2548 KB Output is correct
46 Correct 35 ms 2680 KB Output is correct
47 Correct 41 ms 2552 KB Output is correct
48 Correct 38 ms 2508 KB Output is correct
49 Correct 31 ms 2508 KB Output is correct
50 Correct 40 ms 2508 KB Output is correct
51 Correct 13 ms 2508 KB Output is correct
52 Correct 43 ms 2544 KB Output is correct
53 Correct 50 ms 2508 KB Output is correct
54 Correct 53 ms 2508 KB Output is correct
55 Correct 65 ms 2756 KB Output is correct
56 Correct 49 ms 2508 KB Output is correct
57 Correct 68 ms 2756 KB Output is correct
58 Correct 59 ms 2560 KB Output is correct
59 Correct 58 ms 2776 KB Output is correct
60 Correct 17 ms 2508 KB Output is correct
61 Correct 60 ms 2756 KB Output is correct
62 Correct 62 ms 2756 KB Output is correct
63 Correct 61 ms 2756 KB Output is correct
64 Correct 57 ms 2756 KB Output is correct
65 Correct 37 ms 2508 KB Output is correct
66 Correct 46 ms 2508 KB Output is correct
67 Correct 75 ms 2540 KB Output is correct
68 Correct 23 ms 2508 KB Output is correct
69 Correct 125 ms 3060 KB Output is correct
70 Correct 122 ms 2804 KB Output is correct
71 Correct 101 ms 2756 KB Output is correct
72 Correct 61 ms 2508 KB Output is correct
73 Correct 62 ms 2508 KB Output is correct
74 Correct 135 ms 3012 KB Output is correct
75 Correct 114 ms 2896 KB Output is correct
76 Correct 122 ms 3012 KB Output is correct
77 Correct 136 ms 3056 KB Output is correct