oj.uz

Submission #673573

# Submission time Handle Problem Language Result Execution time Memory
673573 2022-12-21T07:18:54 Z smartmonky Bootfall (IZhO17_bootfall) C++14
100 / 100
 363 ms 3520 KB 
#include <bits/stdc++.h>

#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
//#define int long long

using namespace std;

void fp(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
const int N = 501 * 500;
int dp[N];
int used[N];
int main()
{
	int n, sum = 0;
	cin >> n;
	vector <int> v(n);
	for(int i = 0; i < n; i++){
		cin >> v[i];
		sum += v[i];
	}
	if(sum & 1){
		cout << 0;
		return 0;
	}
	dp[0] = 1;
	for(int i = 0; i < n; i++){
		for(int j = sum; j >= v[i]; j--){
			dp[j] += dp[j - v[i]];
		}
	}
	if(!dp[sum / 2]){
		cout << 0;
		return 0;
	}
	vector <int> ans;
	for(int i = 0; i < n; i++){
		int k = sum - v[i];
		for(int j = v[i]; j <= sum; j++){
			dp[j] -= dp[j - v[i]];
		}
		for (int j = 0; j <= k / 2; j++) {
			if (dp[j]) used[k - j * 2]++;
		}
		for(int j = sum ; j >= v[i]; j--){
			dp[j] += dp[j - v[i]];
		}
	}
	for (int i = 0; i <= sum; i++) {
		if (used[i] == n) 
			ans.pb(i);
	}
	cout << ans.size() << endl;
	for(auto x : ans)
		cout << x <<" ";
}

Compilation message

bootfall.cpp: In function 'void fp(std::string)':
bootfall.cpp:12:29: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 | void fp(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bootfall.cpp:12:70: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 | void fp(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                                                               ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 3 ms 340 KB Output is correct
26 Correct 4 ms 340 KB Output is correct
27 Correct 3 ms 340 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 3 ms 304 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 4 ms 340 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 4 ms 340 KB Output is correct
34 Correct 4 ms 312 KB Output is correct
35 Correct 4 ms 340 KB Output is correct
36 Correct 2 ms 340 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 3 ms 340 KB Output is correct
26 Correct 4 ms 340 KB Output is correct
27 Correct 3 ms 340 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 3 ms 304 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 4 ms 340 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 4 ms 340 KB Output is correct
34 Correct 4 ms 312 KB Output is correct
35 Correct 4 ms 340 KB Output is correct
36 Correct 2 ms 340 KB Output is correct
37 Correct 12 ms 596 KB Output is correct
38 Correct 13 ms 592 KB Output is correct
39 Correct 42 ms 792 KB Output is correct
40 Correct 26 ms 668 KB Output is correct
41 Correct 54 ms 864 KB Output is correct
42 Correct 22 ms 668 KB Output is correct
43 Correct 39 ms 1104 KB Output is correct
44 Correct 40 ms 1100 KB Output is correct
45 Correct 41 ms 1116 KB Output is correct
46 Correct 31 ms 468 KB Output is correct
47 Correct 24 ms 676 KB Output is correct
48 Correct 45 ms 1032 KB Output is correct
49 Correct 43 ms 772 KB Output is correct
50 Correct 24 ms 716 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 57 ms 1220 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 3 ms 340 KB Output is correct
26 Correct 4 ms 340 KB Output is correct
27 Correct 3 ms 340 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 3 ms 304 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 4 ms 340 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 4 ms 340 KB Output is correct
34 Correct 4 ms 312 KB Output is correct
35 Correct 4 ms 340 KB Output is correct
36 Correct 2 ms 340 KB Output is correct
37 Correct 12 ms 596 KB Output is correct
38 Correct 13 ms 592 KB Output is correct
39 Correct 42 ms 792 KB Output is correct
40 Correct 26 ms 668 KB Output is correct
41 Correct 54 ms 864 KB Output is correct
42 Correct 22 ms 668 KB Output is correct
43 Correct 39 ms 1104 KB Output is correct
44 Correct 40 ms 1100 KB Output is correct
45 Correct 41 ms 1116 KB Output is correct
46 Correct 31 ms 468 KB Output is correct
47 Correct 24 ms 676 KB Output is correct
48 Correct 45 ms 1032 KB Output is correct
49 Correct 43 ms 772 KB Output is correct
50 Correct 24 ms 716 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 57 ms 1220 KB Output is correct
53 Correct 39 ms 972 KB Output is correct
54 Correct 62 ms 1036 KB Output is correct
55 Correct 124 ms 1748 KB Output is correct
56 Correct 49 ms 1108 KB Output is correct
57 Correct 118 ms 1780 KB Output is correct
58 Correct 61 ms 1168 KB Output is correct
59 Correct 75 ms 1268 KB Output is correct
60 Correct 1 ms 308 KB Output is correct
61 Correct 86 ms 1468 KB Output is correct
62 Correct 93 ms 1560 KB Output is correct
63 Correct 92 ms 1604 KB Output is correct
64 Correct 90 ms 1608 KB Output is correct
65 Correct 44 ms 596 KB Output is correct
66 Correct 48 ms 688 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 3 ms 340 KB Output is correct
26 Correct 4 ms 340 KB Output is correct
27 Correct 3 ms 340 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 3 ms 304 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 4 ms 340 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 4 ms 340 KB Output is correct
34 Correct 4 ms 312 KB Output is correct
35 Correct 4 ms 340 KB Output is correct
36 Correct 2 ms 340 KB Output is correct
37 Correct 12 ms 596 KB Output is correct
38 Correct 13 ms 592 KB Output is correct
39 Correct 42 ms 792 KB Output is correct
40 Correct 26 ms 668 KB Output is correct
41 Correct 54 ms 864 KB Output is correct
42 Correct 22 ms 668 KB Output is correct
43 Correct 39 ms 1104 KB Output is correct
44 Correct 40 ms 1100 KB Output is correct
45 Correct 41 ms 1116 KB Output is correct
46 Correct 31 ms 468 KB Output is correct
47 Correct 24 ms 676 KB Output is correct
48 Correct 45 ms 1032 KB Output is correct
49 Correct 43 ms 772 KB Output is correct
50 Correct 24 ms 716 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 57 ms 1220 KB Output is correct
53 Correct 39 ms 972 KB Output is correct
54 Correct 62 ms 1036 KB Output is correct
55 Correct 124 ms 1748 KB Output is correct
56 Correct 49 ms 1108 KB Output is correct
57 Correct 118 ms 1780 KB Output is correct
58 Correct 61 ms 1168 KB Output is correct
59 Correct 75 ms 1268 KB Output is correct
60 Correct 1 ms 308 KB Output is correct
61 Correct 86 ms 1468 KB Output is correct
62 Correct 93 ms 1560 KB Output is correct
63 Correct 92 ms 1604 KB Output is correct
64 Correct 90 ms 1608 KB Output is correct
65 Correct 44 ms 596 KB Output is correct
66 Correct 48 ms 688 KB Output is correct
67 Correct 101 ms 1428 KB Output is correct
68 Correct 52 ms 692 KB Output is correct
69 Correct 315 ms 3088 KB Output is correct
70 Correct 175 ms 2068 KB Output is correct
71 Correct 195 ms 1992 KB Output is correct
72 Correct 177 ms 1272 KB Output is correct
73 Correct 165 ms 1264 KB Output is correct
74 Correct 348 ms 3312 KB Output is correct
75 Correct 243 ms 2572 KB Output is correct
76 Correct 363 ms 3396 KB Output is correct
77 Correct 333 ms 3520 KB Output is correct