답안 #839815

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
839815	2023-08-30T17:12:49 Z	nonono	Bootfall (IZhO17_bootfall)	C++14	100 / 100	293 ms	2756 KB

bootfall

#include <bits/stdc++.h>
using namespace std;

const int mxN = 505;

int n, a[mxN];
int sum = 0;
int dp[mxN * mxN];
bool good[mxN * mxN];

void add(int x) {
    sum += x;
    for(int i = sum; i >= x; i --) dp[i] += dp[i - x];
}

void del(int x) {
    for(int i = x; i <= sum; i ++) dp[i] -= dp[i - x];
    sum -= x;
}

signed main() {
#define taskname ""

    if(fopen(taskname".inp", "r")) {
        freopen(taskname".inp", "r", stdin);
        freopen(taskname".out", "w", stdout);
    }

    cin.tie(0)->sync_with_stdio(0);
    
    cin >> n;
    
    dp[0] = 1;
    for(int i = 1; i <= n; i ++) {
        cin >> a[i];
        add(a[i]);
    }
    
    if(sum % 2 || !dp[sum / 2]) {
        return cout << 0, 0;
    }
    
    for(int i = 1; i <= sum; i ++) good[i] = true;
        
    for(int i = 1; i <= n; i ++) {
        del(a[i]);
        
        for(int j = 1; j <= sum + a[i]; j ++) {
            good[j] = (good[j] && (sum + j) % 2 == 0 && dp[(sum + j) / 2]);
        }
        
        add(a[i]);
    }
    
    vector<int> choose;
    for(int i = 1; i <= sum; i ++) if(good[i]) choose.push_back(i); 
    
    cout << choose.size() << "\n";
    
    for(int x : choose) cout << x << " ";
    
    return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:25:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |         freopen(taskname".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
bootfall.cpp:26:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |         freopen(taskname".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	메모리	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct
4	Correct	212 KB	Output is correct
5	Correct	212 KB	Output is correct
6	Correct	212 KB	Output is correct
7	Correct	212 KB	Output is correct
8	Correct	340 KB	Output is correct
9	Correct	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	0 ms	212 KB	Output is correct
4	Correct	0 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	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	340 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	1 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	0 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	0 ms	212 KB	Output is correct
4	Correct	0 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	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	340 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	1 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	0 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	2 ms	324 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	2 ms	328 KB	Output is correct
25	Correct	2 ms	340 KB	Output is correct
26	Correct	3 ms	340 KB	Output is correct
27	Correct	3 ms	324 KB	Output is correct
28	Correct	2 ms	340 KB	Output is correct
29	Correct	3 ms	384 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	2 ms	340 KB	Output is correct
32	Correct	2 ms	324 KB	Output is correct
33	Correct	2 ms	328 KB	Output is correct
34	Correct	3 ms	340 KB	Output is correct
35	Correct	4 ms	340 KB	Output is correct
36	Correct	2 ms	328 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	0 ms	212 KB	Output is correct
4	Correct	0 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	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	340 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	1 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	0 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	2 ms	324 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	2 ms	328 KB	Output is correct
25	Correct	2 ms	340 KB	Output is correct
26	Correct	3 ms	340 KB	Output is correct
27	Correct	3 ms	324 KB	Output is correct
28	Correct	2 ms	340 KB	Output is correct
29	Correct	3 ms	384 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	2 ms	340 KB	Output is correct
32	Correct	2 ms	324 KB	Output is correct
33	Correct	2 ms	328 KB	Output is correct
34	Correct	3 ms	340 KB	Output is correct
35	Correct	4 ms	340 KB	Output is correct
36	Correct	2 ms	328 KB	Output is correct
37	Correct	13 ms	588 KB	Output is correct
38	Correct	10 ms	560 KB	Output is correct
39	Correct	35 ms	552 KB	Output is correct
40	Correct	25 ms	612 KB	Output is correct
41	Correct	40 ms	596 KB	Output is correct
42	Correct	17 ms	596 KB	Output is correct
43	Correct	31 ms	856 KB	Output is correct
44	Correct	32 ms	992 KB	Output is correct
45	Correct	43 ms	972 KB	Output is correct
46	Correct	18 ms	496 KB	Output is correct
47	Correct	19 ms	620 KB	Output is correct
48	Correct	36 ms	876 KB	Output is correct
49	Correct	32 ms	616 KB	Output is correct
50	Correct	19 ms	580 KB	Output is correct
51	Correct	3 ms	340 KB	Output is correct
52	Correct	43 ms	1040 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	0 ms	212 KB	Output is correct
4	Correct	0 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	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	340 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	1 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	0 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	2 ms	324 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	2 ms	328 KB	Output is correct
25	Correct	2 ms	340 KB	Output is correct
26	Correct	3 ms	340 KB	Output is correct
27	Correct	3 ms	324 KB	Output is correct
28	Correct	2 ms	340 KB	Output is correct
29	Correct	3 ms	384 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	2 ms	340 KB	Output is correct
32	Correct	2 ms	324 KB	Output is correct
33	Correct	2 ms	328 KB	Output is correct
34	Correct	3 ms	340 KB	Output is correct
35	Correct	4 ms	340 KB	Output is correct
36	Correct	2 ms	328 KB	Output is correct
37	Correct	13 ms	588 KB	Output is correct
38	Correct	10 ms	560 KB	Output is correct
39	Correct	35 ms	552 KB	Output is correct
40	Correct	25 ms	612 KB	Output is correct
41	Correct	40 ms	596 KB	Output is correct
42	Correct	17 ms	596 KB	Output is correct
43	Correct	31 ms	856 KB	Output is correct
44	Correct	32 ms	992 KB	Output is correct
45	Correct	43 ms	972 KB	Output is correct
46	Correct	18 ms	496 KB	Output is correct
47	Correct	19 ms	620 KB	Output is correct
48	Correct	36 ms	876 KB	Output is correct
49	Correct	32 ms	616 KB	Output is correct
50	Correct	19 ms	580 KB	Output is correct
51	Correct	3 ms	340 KB	Output is correct
52	Correct	43 ms	1040 KB	Output is correct
53	Correct	31 ms	808 KB	Output is correct
54	Correct	48 ms	968 KB	Output is correct
55	Correct	88 ms	1372 KB	Output is correct
56	Correct	38 ms	984 KB	Output is correct
57	Correct	92 ms	1536 KB	Output is correct
58	Correct	49 ms	1052 KB	Output is correct
59	Correct	60 ms	1088 KB	Output is correct
60	Correct	7 ms	536 KB	Output is correct
61	Correct	69 ms	1248 KB	Output is correct
62	Correct	73 ms	1356 KB	Output is correct
63	Correct	74 ms	1332 KB	Output is correct
64	Correct	74 ms	1340 KB	Output is correct
65	Correct	33 ms	568 KB	Output is correct
66	Correct	35 ms	580 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	0 ms	212 KB	Output is correct
4	Correct	0 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	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	340 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	1 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	0 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	2 ms	324 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	2 ms	328 KB	Output is correct
25	Correct	2 ms	340 KB	Output is correct
26	Correct	3 ms	340 KB	Output is correct
27	Correct	3 ms	324 KB	Output is correct
28	Correct	2 ms	340 KB	Output is correct
29	Correct	3 ms	384 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	2 ms	340 KB	Output is correct
32	Correct	2 ms	324 KB	Output is correct
33	Correct	2 ms	328 KB	Output is correct
34	Correct	3 ms	340 KB	Output is correct
35	Correct	4 ms	340 KB	Output is correct
36	Correct	2 ms	328 KB	Output is correct
37	Correct	13 ms	588 KB	Output is correct
38	Correct	10 ms	560 KB	Output is correct
39	Correct	35 ms	552 KB	Output is correct
40	Correct	25 ms	612 KB	Output is correct
41	Correct	40 ms	596 KB	Output is correct
42	Correct	17 ms	596 KB	Output is correct
43	Correct	31 ms	856 KB	Output is correct
44	Correct	32 ms	992 KB	Output is correct
45	Correct	43 ms	972 KB	Output is correct
46	Correct	18 ms	496 KB	Output is correct
47	Correct	19 ms	620 KB	Output is correct
48	Correct	36 ms	876 KB	Output is correct
49	Correct	32 ms	616 KB	Output is correct
50	Correct	19 ms	580 KB	Output is correct
51	Correct	3 ms	340 KB	Output is correct
52	Correct	43 ms	1040 KB	Output is correct
53	Correct	31 ms	808 KB	Output is correct
54	Correct	48 ms	968 KB	Output is correct
55	Correct	88 ms	1372 KB	Output is correct
56	Correct	38 ms	984 KB	Output is correct
57	Correct	92 ms	1536 KB	Output is correct
58	Correct	49 ms	1052 KB	Output is correct
59	Correct	60 ms	1088 KB	Output is correct
60	Correct	7 ms	536 KB	Output is correct
61	Correct	69 ms	1248 KB	Output is correct
62	Correct	73 ms	1356 KB	Output is correct
63	Correct	74 ms	1332 KB	Output is correct
64	Correct	74 ms	1340 KB	Output is correct
65	Correct	33 ms	568 KB	Output is correct
66	Correct	35 ms	580 KB	Output is correct
67	Correct	77 ms	1220 KB	Output is correct
68	Correct	19 ms	800 KB	Output is correct
69	Correct	244 ms	2508 KB	Output is correct
70	Correct	142 ms	1712 KB	Output is correct
71	Correct	140 ms	1628 KB	Output is correct
72	Correct	129 ms	844 KB	Output is correct
73	Correct	125 ms	928 KB	Output is correct
74	Correct	257 ms	2640 KB	Output is correct
75	Correct	193 ms	2188 KB	Output is correct
76	Correct	264 ms	2668 KB	Output is correct
77	Correct	293 ms	2756 KB	Output is correct

답안 #839815

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