답안 #673573

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
673573	2022-12-21T07:18:54 Z	smartmonky	Bootfall (IZhO17_bootfall)	C++14	100 / 100	363 ms	3520 KB

bootfall

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

답안 #673573

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 21.0 / 21.0

Subtask #6 35.0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
21.0 / 21.0

Subtask #6
35.0 / 35.0