답안 #37425 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
37425	2017-12-25T12:22:34 Z	HardNut	Bootfall (IZhO17_bootfall)	C++14	13 / 100	139 ms	4160 KB

bootfall

#include<iostream>
#include<cstdio>
#include<algorithm>
#include<vector>
#include<bitset>

using namespace std;

const int N = 1e5 + 5;

typedef long long ll;

int n, a[505], sum, dp[250005];
vector<int> vec;
bitset<250005> b;
int ans[250005];

int main() {
//    freopen("bootfall.in", "r", stdin);
//    freopen("bootfall.out", "w", stdout);
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        sum += a[i];
    }
    if (sum % 2 == 1) {
        cout << 0;
        return 0;
    }
    bool u = 0;
    dp[0] = 1;
    for (int i = 1; i <= n; i++) {
        for (int j = 0; j <= sum; j++) {
            if (dp[j]) {
                if (j + a[i] == sum / 2)
                    u = 1;
                dp[j + a[i]] = 1;
            }
        }
    }
    for (int i = 1; i <= sum; i++)
        ans[i] = 1;
    if (!u) {
        cout << 0;
        return 0;
    }
    for (int i = 1; i <= n; i++) {
        b.reset();
        b[0] = 1;
        for (int j = 1; j <= n; j++) {
            if (i != j)
                b |= (b << a[j]);
        }
        for (int j = 1; j <= sum; j++) {
            if ((sum + j - a[i]) % 2) {
                ans[j] = 0;
                continue;
            }
            if (!b[(sum + j - a[i]) / 2]) {
                ans[j] = 0;
            }
        }
    }
    int cnt = 0;
    for (int i = 1; i <= sum; i++) {
        cnt += ans[i];
    }
    cout << cnt << "\n";
    for (int i = 1; i <= sum; i++)
        if (ans[i])
            cout << i << " ";
}

Subtask #1
6.0 / 6.0

#	결과	메모리	Grader output
1	Correct	4160 KB	Output is correct
2	Correct	4160 KB	Output is correct
3	Correct	4160 KB	Output is correct
4	Correct	4160 KB	Output is correct
5	Correct	4160 KB	Output is correct
6	Correct	4160 KB	Output is correct
7	Correct	4160 KB	Output is correct
8	Correct	4160 KB	Output is correct
9	Correct	4160 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	4160 KB	Output is correct
2	Correct	0 ms	4160 KB	Output is correct
3	Correct	0 ms	4160 KB	Output is correct
4	Correct	0 ms	4160 KB	Output is correct
5	Correct	0 ms	4160 KB	Output is correct
6	Correct	0 ms	4160 KB	Output is correct
7	Correct	0 ms	4160 KB	Output is correct
8	Correct	0 ms	4160 KB	Output is correct
9	Correct	0 ms	4160 KB	Output is correct
10	Correct	13 ms	4160 KB	Output is correct
11	Correct	13 ms	4160 KB	Output is correct
12	Correct	13 ms	4160 KB	Output is correct
13	Correct	9 ms	4160 KB	Output is correct
14	Correct	9 ms	4160 KB	Output is correct
15	Correct	9 ms	4160 KB	Output is correct
16	Correct	16 ms	4160 KB	Output is correct
17	Correct	3 ms	4160 KB	Output is correct
18	Correct	9 ms	4160 KB	Output is correct
19	Correct	9 ms	4160 KB	Output is correct
20	Correct	13 ms	4160 KB	Output is correct

Subtask #3
0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	4160 KB	Output is correct
2	Correct	0 ms	4160 KB	Output is correct
3	Correct	0 ms	4160 KB	Output is correct
4	Correct	0 ms	4160 KB	Output is correct
5	Correct	0 ms	4160 KB	Output is correct
6	Correct	0 ms	4160 KB	Output is correct
7	Correct	0 ms	4160 KB	Output is correct
8	Correct	0 ms	4160 KB	Output is correct
9	Correct	0 ms	4160 KB	Output is correct
10	Correct	13 ms	4160 KB	Output is correct
11	Correct	13 ms	4160 KB	Output is correct
12	Correct	13 ms	4160 KB	Output is correct
13	Correct	9 ms	4160 KB	Output is correct
14	Correct	9 ms	4160 KB	Output is correct
15	Correct	9 ms	4160 KB	Output is correct
16	Correct	16 ms	4160 KB	Output is correct
17	Correct	3 ms	4160 KB	Output is correct
18	Correct	9 ms	4160 KB	Output is correct
19	Correct	9 ms	4160 KB	Output is correct
20	Correct	13 ms	4160 KB	Output is correct
21	Correct	56 ms	4160 KB	Output is correct
22	Correct	89 ms	4160 KB	Output is correct
23	Correct	36 ms	4160 KB	Output is correct
24	Runtime error	139 ms	4160 KB	Execution killed because of forbidden syscall writev (20)
25	Halted	0 ms	0 KB	-

Subtask #4
0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	4160 KB	Output is correct
2	Correct	0 ms	4160 KB	Output is correct
3	Correct	0 ms	4160 KB	Output is correct
4	Correct	0 ms	4160 KB	Output is correct
5	Correct	0 ms	4160 KB	Output is correct
6	Correct	0 ms	4160 KB	Output is correct
7	Correct	0 ms	4160 KB	Output is correct
8	Correct	0 ms	4160 KB	Output is correct
9	Correct	0 ms	4160 KB	Output is correct
10	Correct	13 ms	4160 KB	Output is correct
11	Correct	13 ms	4160 KB	Output is correct
12	Correct	13 ms	4160 KB	Output is correct
13	Correct	9 ms	4160 KB	Output is correct
14	Correct	9 ms	4160 KB	Output is correct
15	Correct	9 ms	4160 KB	Output is correct
16	Correct	16 ms	4160 KB	Output is correct
17	Correct	3 ms	4160 KB	Output is correct
18	Correct	9 ms	4160 KB	Output is correct
19	Correct	9 ms	4160 KB	Output is correct
20	Correct	13 ms	4160 KB	Output is correct
21	Correct	56 ms	4160 KB	Output is correct
22	Correct	89 ms	4160 KB	Output is correct
23	Correct	36 ms	4160 KB	Output is correct
24	Runtime error	139 ms	4160 KB	Execution killed because of forbidden syscall writev (20)
25	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	4160 KB	Output is correct
2	Correct	0 ms	4160 KB	Output is correct
3	Correct	0 ms	4160 KB	Output is correct
4	Correct	0 ms	4160 KB	Output is correct
5	Correct	0 ms	4160 KB	Output is correct
6	Correct	0 ms	4160 KB	Output is correct
7	Correct	0 ms	4160 KB	Output is correct
8	Correct	0 ms	4160 KB	Output is correct
9	Correct	0 ms	4160 KB	Output is correct
10	Correct	13 ms	4160 KB	Output is correct
11	Correct	13 ms	4160 KB	Output is correct
12	Correct	13 ms	4160 KB	Output is correct
13	Correct	9 ms	4160 KB	Output is correct
14	Correct	9 ms	4160 KB	Output is correct
15	Correct	9 ms	4160 KB	Output is correct
16	Correct	16 ms	4160 KB	Output is correct
17	Correct	3 ms	4160 KB	Output is correct
18	Correct	9 ms	4160 KB	Output is correct
19	Correct	9 ms	4160 KB	Output is correct
20	Correct	13 ms	4160 KB	Output is correct
21	Correct	56 ms	4160 KB	Output is correct
22	Correct	89 ms	4160 KB	Output is correct
23	Correct	36 ms	4160 KB	Output is correct
24	Runtime error	139 ms	4160 KB	Execution killed because of forbidden syscall writev (20)
25	Halted	0 ms	0 KB	-

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	4160 KB	Output is correct
2	Correct	0 ms	4160 KB	Output is correct
3	Correct	0 ms	4160 KB	Output is correct
4	Correct	0 ms	4160 KB	Output is correct
5	Correct	0 ms	4160 KB	Output is correct
6	Correct	0 ms	4160 KB	Output is correct
7	Correct	0 ms	4160 KB	Output is correct
8	Correct	0 ms	4160 KB	Output is correct
9	Correct	0 ms	4160 KB	Output is correct
10	Correct	13 ms	4160 KB	Output is correct
11	Correct	13 ms	4160 KB	Output is correct
12	Correct	13 ms	4160 KB	Output is correct
13	Correct	9 ms	4160 KB	Output is correct
14	Correct	9 ms	4160 KB	Output is correct
15	Correct	9 ms	4160 KB	Output is correct
16	Correct	16 ms	4160 KB	Output is correct
17	Correct	3 ms	4160 KB	Output is correct
18	Correct	9 ms	4160 KB	Output is correct
19	Correct	9 ms	4160 KB	Output is correct
20	Correct	13 ms	4160 KB	Output is correct
21	Correct	56 ms	4160 KB	Output is correct
22	Correct	89 ms	4160 KB	Output is correct
23	Correct	36 ms	4160 KB	Output is correct
24	Runtime error	139 ms	4160 KB	Execution killed because of forbidden syscall writev (20)
25	Halted	0 ms	0 KB	-

답안 #37425

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 0 / 15.0

Subtask #4 0 / 16.0

Subtask #5 0 / 21.0

Subtask #6 0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
0 / 15.0

Subtask #4
0 / 16.0

Subtask #5
0 / 21.0

Subtask #6
0 / 35.0